diff options
| author | Arttu Tarkiainen <arttu.tarkiainen@qt.io> | 2022-04-06 13:33:38 +0300 |
|---|---|---|
| committer | Arttu Tarkiainen <arttu.tarkiainen@qt.io> | 2022-04-13 11:32:09 +0300 |
| commit | 96ade47c182bf37a2efca2aa62922e54e5ff1660 (patch) | |
| tree | 93ceee6c6f8984f563f3dfe83e56f98b66b40f3a /src/libs/7zip/win/C | |
| parent | 2d5f0ffaf1278516bbd74e3b60f9849f4c51cffa (diff) | |
Move LZMA SDK to 3rdparty subdirectory
Also add attribution document.
Task-number: QTIFW-2336
Change-Id: I91546bc6c3ace244e4b546b945f40b7d204f7463
Reviewed-by: Katja Marttila <katja.marttila@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Diffstat (limited to 'src/libs/7zip/win/C')
48 files changed, 0 insertions, 11234 deletions
diff --git a/src/libs/7zip/win/C/7zCrc.c b/src/libs/7zip/win/C/7zCrc.c deleted file mode 100644 index 5f32380dd..000000000 --- a/src/libs/7zip/win/C/7zCrc.c +++ /dev/null @@ -1,85 +0,0 @@ -/* 7zCrc.c -- CRC32 init -2013-11-12 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include "7zCrc.h" -#include "CpuArch.h" - -#define kCrcPoly 0xEDB88320 - -#ifdef MY_CPU_X86_OR_AMD64 - #define CRC_NUM_TABLES 8 - UInt32 MY_FAST_CALL CrcUpdateT8(UInt32 v, const void *data, size_t size, const UInt32 *table); -#elif defined(MY_CPU_LE) - #define CRC_NUM_TABLES 4 -#else - #define CRC_NUM_TABLES 5 - #define CRC_UINT32_SWAP(v) ((v >> 24) | ((v >> 8) & 0xFF00) | ((v << 8) & 0xFF0000) | (v << 24)) - UInt32 MY_FAST_CALL CrcUpdateT1_BeT4(UInt32 v, const void *data, size_t size, const UInt32 *table); -#endif - -#ifndef MY_CPU_BE - UInt32 MY_FAST_CALL CrcUpdateT4(UInt32 v, const void *data, size_t size, const UInt32 *table); -#endif - -typedef UInt32 (MY_FAST_CALL *CRC_FUNC)(UInt32 v, const void *data, size_t size, const UInt32 *table); - -CRC_FUNC g_CrcUpdate; -UInt32 g_CrcTable[256 * CRC_NUM_TABLES]; - -UInt32 MY_FAST_CALL CrcUpdate(UInt32 v, const void *data, size_t size) -{ - return g_CrcUpdate(v, data, size, g_CrcTable); -} - -UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size) -{ - return g_CrcUpdate(CRC_INIT_VAL, data, size, g_CrcTable) ^ CRC_INIT_VAL; -} - -void MY_FAST_CALL CrcGenerateTable() -{ - UInt32 i; - for (i = 0; i < 256; i++) - { - UInt32 r = i; - unsigned j; - for (j = 0; j < 8; j++) - r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1)); - g_CrcTable[i] = r; - } - for (; i < 256 * CRC_NUM_TABLES; i++) - { - UInt32 r = g_CrcTable[i - 256]; - g_CrcTable[i] = g_CrcTable[r & 0xFF] ^ (r >> 8); - } - - #ifdef MY_CPU_LE - - g_CrcUpdate = CrcUpdateT4; - - #if CRC_NUM_TABLES == 8 - if (!CPU_Is_InOrder()) - g_CrcUpdate = CrcUpdateT8; - #endif - - #else - { - #ifndef MY_CPU_BE - UInt32 k = 1; - if (*(const Byte *)&k == 1) - g_CrcUpdate = CrcUpdateT4; - else - #endif - { - for (i = 256 * CRC_NUM_TABLES - 1; i >= 256; i--) - { - UInt32 x = g_CrcTable[i - 256]; - g_CrcTable[i] = CRC_UINT32_SWAP(x); - } - g_CrcUpdate = CrcUpdateT1_BeT4; - } - } - #endif -} diff --git a/src/libs/7zip/win/C/7zCrc.h b/src/libs/7zip/win/C/7zCrc.h deleted file mode 100644 index 8fd579587..000000000 --- a/src/libs/7zip/win/C/7zCrc.h +++ /dev/null @@ -1,25 +0,0 @@ -/* 7zCrc.h -- CRC32 calculation -2013-01-18 : Igor Pavlov : Public domain */ - -#ifndef __7Z_CRC_H -#define __7Z_CRC_H - -#include "7zTypes.h" - -EXTERN_C_BEGIN - -extern UInt32 g_CrcTable[]; - -/* Call CrcGenerateTable one time before other CRC functions */ -void MY_FAST_CALL CrcGenerateTable(void); - -#define CRC_INIT_VAL 0xFFFFFFFF -#define CRC_GET_DIGEST(crc) ((crc) ^ CRC_INIT_VAL) -#define CRC_UPDATE_BYTE(crc, b) (g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8)) - -UInt32 MY_FAST_CALL CrcUpdate(UInt32 crc, const void *data, size_t size); -UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/7zCrcOpt.c b/src/libs/7zip/win/C/7zCrcOpt.c deleted file mode 100644 index ce132b5d4..000000000 --- a/src/libs/7zip/win/C/7zCrcOpt.c +++ /dev/null @@ -1,66 +0,0 @@ -/* 7zCrcOpt.c -- CRC32 calculation -2013-11-12 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include "CpuArch.h" - -#define CRC_UPDATE_BYTE_2(crc, b) (table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8)) - -#ifndef MY_CPU_BE - -UInt32 MY_FAST_CALL CrcUpdateT4(UInt32 v, const void *data, size_t size, const UInt32 *table) -{ - const Byte *p = (const Byte *)data; - for (; size > 0 && ((unsigned)(ptrdiff_t)p & 3) != 0; size--, p++) - v = CRC_UPDATE_BYTE_2(v, *p); - for (; size >= 4; size -= 4, p += 4) - { - v ^= *(const UInt32 *)p; - v = - table[0x300 + (v & 0xFF)] ^ - table[0x200 + ((v >> 8) & 0xFF)] ^ - table[0x100 + ((v >> 16) & 0xFF)] ^ - table[0x000 + ((v >> 24))]; - } - for (; size > 0; size--, p++) - v = CRC_UPDATE_BYTE_2(v, *p); - return v; -} - -UInt32 MY_FAST_CALL CrcUpdateT8(UInt32 v, const void *data, size_t size, const UInt32 *table) -{ - return CrcUpdateT4(v, data, size, table); -} - -#endif - - -#ifndef MY_CPU_LE - -#define CRC_UINT32_SWAP(v) ((v >> 24) | ((v >> 8) & 0xFF00) | ((v << 8) & 0xFF0000) | (v << 24)) - -UInt32 MY_FAST_CALL CrcUpdateT1_BeT4(UInt32 v, const void *data, size_t size, const UInt32 *table) -{ - const Byte *p = (const Byte *)data; - for (; size > 0 && ((unsigned)(ptrdiff_t)p & 3) != 0; size--, p++) - v = CRC_UPDATE_BYTE_2(v, *p); - v = CRC_UINT32_SWAP(v); - table += 0x100; - for (; size >= 4; size -= 4, p += 4) - { - v ^= *(const UInt32 *)p; - v = - table[0x000 + (v & 0xFF)] ^ - table[0x100 + ((v >> 8) & 0xFF)] ^ - table[0x200 + ((v >> 16) & 0xFF)] ^ - table[0x300 + ((v >> 24))]; - } - table -= 0x100; - v = CRC_UINT32_SWAP(v); - for (; size > 0; size--, p++) - v = CRC_UPDATE_BYTE_2(v, *p); - return v; -} - -#endif diff --git a/src/libs/7zip/win/C/7zStream.c b/src/libs/7zip/win/C/7zStream.c deleted file mode 100644 index 88f9c42b1..000000000 --- a/src/libs/7zip/win/C/7zStream.c +++ /dev/null @@ -1,171 +0,0 @@ -/* 7zStream.c -- 7z Stream functions -2013-11-12 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include <string.h> - -#include "7zTypes.h" - -SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType) -{ - while (size != 0) - { - size_t processed = size; - RINOK(stream->Read(stream, buf, &processed)); - if (processed == 0) - return errorType; - buf = (void *)((Byte *)buf + processed); - size -= processed; - } - return SZ_OK; -} - -SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size) -{ - return SeqInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF); -} - -SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf) -{ - size_t processed = 1; - RINOK(stream->Read(stream, buf, &processed)); - return (processed == 1) ? SZ_OK : SZ_ERROR_INPUT_EOF; -} - -SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset) -{ - Int64 t = offset; - return stream->Seek(stream, &t, SZ_SEEK_SET); -} - -SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size) -{ - const void *lookBuf; - if (*size == 0) - return SZ_OK; - RINOK(stream->Look(stream, &lookBuf, size)); - memcpy(buf, lookBuf, *size); - return stream->Skip(stream, *size); -} - -SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType) -{ - while (size != 0) - { - size_t processed = size; - RINOK(stream->Read(stream, buf, &processed)); - if (processed == 0) - return errorType; - buf = (void *)((Byte *)buf + processed); - size -= processed; - } - return SZ_OK; -} - -SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size) -{ - return LookInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF); -} - -static SRes LookToRead_Look_Lookahead(void *pp, const void **buf, size_t *size) -{ - SRes res = SZ_OK; - CLookToRead *p = (CLookToRead *)pp; - size_t size2 = p->size - p->pos; - if (size2 == 0 && *size > 0) - { - p->pos = 0; - size2 = LookToRead_BUF_SIZE; - res = p->realStream->Read(p->realStream, p->buf, &size2); - p->size = size2; - } - if (size2 < *size) - *size = size2; - *buf = p->buf + p->pos; - return res; -} - -static SRes LookToRead_Look_Exact(void *pp, const void **buf, size_t *size) -{ - SRes res = SZ_OK; - CLookToRead *p = (CLookToRead *)pp; - size_t size2 = p->size - p->pos; - if (size2 == 0 && *size > 0) - { - p->pos = 0; - if (*size > LookToRead_BUF_SIZE) - *size = LookToRead_BUF_SIZE; - res = p->realStream->Read(p->realStream, p->buf, size); - size2 = p->size = *size; - } - if (size2 < *size) - *size = size2; - *buf = p->buf + p->pos; - return res; -} - -static SRes LookToRead_Skip(void *pp, size_t offset) -{ - CLookToRead *p = (CLookToRead *)pp; - p->pos += offset; - return SZ_OK; -} - -static SRes LookToRead_Read(void *pp, void *buf, size_t *size) -{ - CLookToRead *p = (CLookToRead *)pp; - size_t rem = p->size - p->pos; - if (rem == 0) - return p->realStream->Read(p->realStream, buf, size); - if (rem > *size) - rem = *size; - memcpy(buf, p->buf + p->pos, rem); - p->pos += rem; - *size = rem; - return SZ_OK; -} - -static SRes LookToRead_Seek(void *pp, Int64 *pos, ESzSeek origin) -{ - CLookToRead *p = (CLookToRead *)pp; - p->pos = p->size = 0; - return p->realStream->Seek(p->realStream, pos, origin); -} - -void LookToRead_CreateVTable(CLookToRead *p, int lookahead) -{ - p->s.Look = lookahead ? - LookToRead_Look_Lookahead : - LookToRead_Look_Exact; - p->s.Skip = LookToRead_Skip; - p->s.Read = LookToRead_Read; - p->s.Seek = LookToRead_Seek; -} - -void LookToRead_Init(CLookToRead *p) -{ - p->pos = p->size = 0; -} - -static SRes SecToLook_Read(void *pp, void *buf, size_t *size) -{ - CSecToLook *p = (CSecToLook *)pp; - return LookInStream_LookRead(p->realStream, buf, size); -} - -void SecToLook_CreateVTable(CSecToLook *p) -{ - p->s.Read = SecToLook_Read; -} - -static SRes SecToRead_Read(void *pp, void *buf, size_t *size) -{ - CSecToRead *p = (CSecToRead *)pp; - return p->realStream->Read(p->realStream, buf, size); -} - -void SecToRead_CreateVTable(CSecToRead *p) -{ - p->s.Read = SecToRead_Read; -} diff --git a/src/libs/7zip/win/C/7zTypes.h b/src/libs/7zip/win/C/7zTypes.h deleted file mode 100644 index 778413ef4..000000000 --- a/src/libs/7zip/win/C/7zTypes.h +++ /dev/null @@ -1,256 +0,0 @@ -/* 7zTypes.h -- Basic types -2013-11-12 : Igor Pavlov : Public domain */ - -#ifndef __7Z_TYPES_H -#define __7Z_TYPES_H - -#ifdef _WIN32 -/* #include <windows.h> */ -#endif - -#include <stddef.h> - -#ifndef EXTERN_C_BEGIN -#ifdef __cplusplus -#define EXTERN_C_BEGIN extern "C" { -#define EXTERN_C_END } -#else -#define EXTERN_C_BEGIN -#define EXTERN_C_END -#endif -#endif - -EXTERN_C_BEGIN - -#define SZ_OK 0 - -#define SZ_ERROR_DATA 1 -#define SZ_ERROR_MEM 2 -#define SZ_ERROR_CRC 3 -#define SZ_ERROR_UNSUPPORTED 4 -#define SZ_ERROR_PARAM 5 -#define SZ_ERROR_INPUT_EOF 6 -#define SZ_ERROR_OUTPUT_EOF 7 -#define SZ_ERROR_READ 8 -#define SZ_ERROR_WRITE 9 -#define SZ_ERROR_PROGRESS 10 -#define SZ_ERROR_FAIL 11 -#define SZ_ERROR_THREAD 12 - -#define SZ_ERROR_ARCHIVE 16 -#define SZ_ERROR_NO_ARCHIVE 17 - -typedef int SRes; - -#ifdef _WIN32 -/* typedef DWORD WRes; */ -typedef unsigned WRes; -#else -typedef int WRes; -#endif - -#ifndef RINOK -#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; } -#endif - -typedef unsigned char Byte; -typedef short Int16; -typedef unsigned short UInt16; - -#ifdef _LZMA_UINT32_IS_ULONG -typedef long Int32; -typedef unsigned long UInt32; -#else -typedef int Int32; -typedef unsigned int UInt32; -#endif - -#ifdef _SZ_NO_INT_64 - -/* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers. - NOTES: Some code will work incorrectly in that case! */ - -typedef long Int64; -typedef unsigned long UInt64; - -#else - -#if defined(_MSC_VER) || defined(__BORLANDC__) -typedef __int64 Int64; -typedef unsigned __int64 UInt64; -#define UINT64_CONST(n) n -#else -typedef long long int Int64; -typedef unsigned long long int UInt64; -#define UINT64_CONST(n) n ## ULL -#endif - -#endif - -#ifdef _LZMA_NO_SYSTEM_SIZE_T -typedef UInt32 SizeT; -#else -typedef size_t SizeT; -#endif - -typedef int Bool; -#define True 1 -#define False 0 - - -#ifdef _WIN32 -#define MY_STD_CALL __stdcall -#else -#define MY_STD_CALL -#endif - -#ifdef _MSC_VER - -#if _MSC_VER >= 1300 -#define MY_NO_INLINE __declspec(noinline) -#else -#define MY_NO_INLINE -#endif - -#define MY_CDECL __cdecl -#define MY_FAST_CALL __fastcall - -#else - -#define MY_NO_INLINE -#define MY_CDECL -#define MY_FAST_CALL - -#endif - - -/* The following interfaces use first parameter as pointer to structure */ - -typedef struct -{ - Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */ -} IByteIn; - -typedef struct -{ - void (*Write)(void *p, Byte b); -} IByteOut; - -typedef struct -{ - SRes (*Read)(void *p, void *buf, size_t *size); - /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream. - (output(*size) < input(*size)) is allowed */ -} ISeqInStream; - -/* it can return SZ_ERROR_INPUT_EOF */ -SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size); -SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType); -SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf); - -typedef struct -{ - size_t (*Write)(void *p, const void *buf, size_t size); - /* Returns: result - the number of actually written bytes. - (result < size) means error */ -} ISeqOutStream; - -typedef enum -{ - SZ_SEEK_SET = 0, - SZ_SEEK_CUR = 1, - SZ_SEEK_END = 2 -} ESzSeek; - -typedef struct -{ - SRes (*Read)(void *p, void *buf, size_t *size); /* same as ISeqInStream::Read */ - SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin); -} ISeekInStream; - -typedef struct -{ - SRes (*Look)(void *p, const void **buf, size_t *size); - /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream. - (output(*size) > input(*size)) is not allowed - (output(*size) < input(*size)) is allowed */ - SRes (*Skip)(void *p, size_t offset); - /* offset must be <= output(*size) of Look */ - - SRes (*Read)(void *p, void *buf, size_t *size); - /* reads directly (without buffer). It's same as ISeqInStream::Read */ - SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin); -} ILookInStream; - -SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size); -SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset); - -/* reads via ILookInStream::Read */ -SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType); -SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size); - -#define LookToRead_BUF_SIZE (1 << 14) - -typedef struct -{ - ILookInStream s; - ISeekInStream *realStream; - size_t pos; - size_t size; - Byte buf[LookToRead_BUF_SIZE]; -} CLookToRead; - -void LookToRead_CreateVTable(CLookToRead *p, int lookahead); -void LookToRead_Init(CLookToRead *p); - -typedef struct -{ - ISeqInStream s; - ILookInStream *realStream; -} CSecToLook; - -void SecToLook_CreateVTable(CSecToLook *p); - -typedef struct -{ - ISeqInStream s; - ILookInStream *realStream; -} CSecToRead; - -void SecToRead_CreateVTable(CSecToRead *p); - -typedef struct -{ - SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize); - /* Returns: result. (result != SZ_OK) means break. - Value (UInt64)(Int64)-1 for size means unknown value. */ -} ICompressProgress; - -typedef struct -{ - void *(*Alloc)(void *p, size_t size); - void (*Free)(void *p, void *address); /* address can be 0 */ -} ISzAlloc; - -#define IAlloc_Alloc(p, size) (p)->Alloc((p), size) -#define IAlloc_Free(p, a) (p)->Free((p), a) - -#ifdef _WIN32 - -#define CHAR_PATH_SEPARATOR '\\' -#define WCHAR_PATH_SEPARATOR L'\\' -#define STRING_PATH_SEPARATOR "\\" -#define WSTRING_PATH_SEPARATOR L"\\" - -#else - -#define CHAR_PATH_SEPARATOR '/' -#define WCHAR_PATH_SEPARATOR L'/' -#define STRING_PATH_SEPARATOR "/" -#define WSTRING_PATH_SEPARATOR L"/" - -#endif - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/7zVersion.h b/src/libs/7zip/win/C/7zVersion.h deleted file mode 100644 index 475918352..000000000 --- a/src/libs/7zip/win/C/7zVersion.h +++ /dev/null @@ -1,10 +0,0 @@ -#define MY_VER_MAJOR 9 -#define MY_VER_MINOR 38 -#define MY_VER_BUILD 00 -#define MY_VERSION "9.38 beta" -// #define MY_7ZIP_VERSION "9.38" -#define MY_DATE "2015-01-03" -#undef MY_COPYRIGHT -#undef MY_VERSION_COPYRIGHT_DATE -#define MY_COPYRIGHT ": Igor Pavlov : Public domain" -#define MY_VERSION_COPYRIGHT_DATE MY_VERSION " " MY_COPYRIGHT " : " MY_DATE diff --git a/src/libs/7zip/win/C/Alloc.c b/src/libs/7zip/win/C/Alloc.c deleted file mode 100644 index 1f3f6c661..000000000 --- a/src/libs/7zip/win/C/Alloc.c +++ /dev/null @@ -1,127 +0,0 @@ -/* Alloc.c -- Memory allocation functions -2013-11-12 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#ifdef _WIN32 -#include <windows.h> -#endif -#include <stdlib.h> - -#include "Alloc.h" - -/* #define _SZ_ALLOC_DEBUG */ - -/* use _SZ_ALLOC_DEBUG to debug alloc/free operations */ -#ifdef _SZ_ALLOC_DEBUG -#include <stdio.h> -int g_allocCount = 0; -int g_allocCountMid = 0; -int g_allocCountBig = 0; -#endif - -void *MyAlloc(size_t size) -{ - if (size == 0) - return 0; - #ifdef _SZ_ALLOC_DEBUG - { - void *p = malloc(size); - fprintf(stderr, "\nAlloc %10d bytes, count = %10d, addr = %8X", size, g_allocCount++, (unsigned)p); - return p; - } - #else - return malloc(size); - #endif -} - -void MyFree(void *address) -{ - #ifdef _SZ_ALLOC_DEBUG - if (address != 0) - fprintf(stderr, "\nFree; count = %10d, addr = %8X", --g_allocCount, (unsigned)address); - #endif - free(address); -} - -#ifdef _WIN32 - -void *MidAlloc(size_t size) -{ - if (size == 0) - return 0; - #ifdef _SZ_ALLOC_DEBUG - fprintf(stderr, "\nAlloc_Mid %10d bytes; count = %10d", size, g_allocCountMid++); - #endif - return VirtualAlloc(0, size, MEM_COMMIT, PAGE_READWRITE); -} - -void MidFree(void *address) -{ - #ifdef _SZ_ALLOC_DEBUG - if (address != 0) - fprintf(stderr, "\nFree_Mid; count = %10d", --g_allocCountMid); - #endif - if (address == 0) - return; - VirtualFree(address, 0, MEM_RELEASE); -} - -#ifndef MEM_LARGE_PAGES -#undef _7ZIP_LARGE_PAGES -#endif - -#ifdef _7ZIP_LARGE_PAGES -SIZE_T g_LargePageSize = 0; -typedef SIZE_T (WINAPI *GetLargePageMinimumP)(); -#endif - -void SetLargePageSize() -{ - #ifdef _7ZIP_LARGE_PAGES - SIZE_T size = 0; - GetLargePageMinimumP largePageMinimum = (GetLargePageMinimumP) - GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), "GetLargePageMinimum"); - if (largePageMinimum == 0) - return; - size = largePageMinimum(); - if (size == 0 || (size & (size - 1)) != 0) - return; - g_LargePageSize = size; - #endif -} - - -void *BigAlloc(size_t size) -{ - if (size == 0) - return 0; - #ifdef _SZ_ALLOC_DEBUG - fprintf(stderr, "\nAlloc_Big %10d bytes; count = %10d", size, g_allocCountBig++); - #endif - - #ifdef _7ZIP_LARGE_PAGES - if (g_LargePageSize != 0 && g_LargePageSize <= (1 << 30) && size >= (1 << 18)) - { - void *res = VirtualAlloc(0, (size + g_LargePageSize - 1) & (~(g_LargePageSize - 1)), - MEM_COMMIT | MEM_LARGE_PAGES, PAGE_READWRITE); - if (res != 0) - return res; - } - #endif - return VirtualAlloc(0, size, MEM_COMMIT, PAGE_READWRITE); -} - -void BigFree(void *address) -{ - #ifdef _SZ_ALLOC_DEBUG - if (address != 0) - fprintf(stderr, "\nFree_Big; count = %10d", --g_allocCountBig); - #endif - - if (address == 0) - return; - VirtualFree(address, 0, MEM_RELEASE); -} - -#endif diff --git a/src/libs/7zip/win/C/Alloc.h b/src/libs/7zip/win/C/Alloc.h deleted file mode 100644 index b8e414367..000000000 --- a/src/libs/7zip/win/C/Alloc.h +++ /dev/null @@ -1,38 +0,0 @@ -/* Alloc.h -- Memory allocation functions -2009-02-07 : Igor Pavlov : Public domain */ - -#ifndef __COMMON_ALLOC_H -#define __COMMON_ALLOC_H - -#include <stddef.h> - -#ifdef __cplusplus -extern "C" { -#endif - -void *MyAlloc(size_t size); -void MyFree(void *address); - -#ifdef _WIN32 - -void SetLargePageSize(); - -void *MidAlloc(size_t size); -void MidFree(void *address); -void *BigAlloc(size_t size); -void BigFree(void *address); - -#else - -#define MidAlloc(size) MyAlloc(size) -#define MidFree(address) MyFree(address) -#define BigAlloc(size) MyAlloc(size) -#define BigFree(address) MyFree(address) - -#endif - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/libs/7zip/win/C/Bra.c b/src/libs/7zip/win/C/Bra.c deleted file mode 100644 index 33f7a391c..000000000 --- a/src/libs/7zip/win/C/Bra.c +++ /dev/null @@ -1,135 +0,0 @@ -/* Bra.c -- Converters for RISC code -2010-04-16 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include "Bra.h" - -SizeT ARM_Convert(Byte *data, SizeT size, UInt32 ip, int encoding) -{ - SizeT i; - if (size < 4) - return 0; - size -= 4; - ip += 8; - for (i = 0; i <= size; i += 4) - { - if (data[i + 3] == 0xEB) - { - UInt32 dest; - UInt32 src = ((UInt32)data[i + 2] << 16) | ((UInt32)data[i + 1] << 8) | (data[i + 0]); - src <<= 2; - if (encoding) - dest = ip + (UInt32)i + src; - else - dest = src - (ip + (UInt32)i); - dest >>= 2; - data[i + 2] = (Byte)(dest >> 16); - data[i + 1] = (Byte)(dest >> 8); - data[i + 0] = (Byte)dest; - } - } - return i; -} - -SizeT ARMT_Convert(Byte *data, SizeT size, UInt32 ip, int encoding) -{ - SizeT i; - if (size < 4) - return 0; - size -= 4; - ip += 4; - for (i = 0; i <= size; i += 2) - { - if ((data[i + 1] & 0xF8) == 0xF0 && - (data[i + 3] & 0xF8) == 0xF8) - { - UInt32 dest; - UInt32 src = - (((UInt32)data[i + 1] & 0x7) << 19) | - ((UInt32)data[i + 0] << 11) | - (((UInt32)data[i + 3] & 0x7) << 8) | - (data[i + 2]); - - src <<= 1; - if (encoding) - dest = ip + (UInt32)i + src; - else - dest = src - (ip + (UInt32)i); - dest >>= 1; - - data[i + 1] = (Byte)(0xF0 | ((dest >> 19) & 0x7)); - data[i + 0] = (Byte)(dest >> 11); - data[i + 3] = (Byte)(0xF8 | ((dest >> 8) & 0x7)); - data[i + 2] = (Byte)dest; - i += 2; - } - } - return i; -} - -SizeT PPC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding) -{ - SizeT i; - if (size < 4) - return 0; - size -= 4; - for (i = 0; i <= size; i += 4) - { - if ((data[i] >> 2) == 0x12 && (data[i + 3] & 3) == 1) - { - UInt32 src = ((UInt32)(data[i + 0] & 3) << 24) | - ((UInt32)data[i + 1] << 16) | - ((UInt32)data[i + 2] << 8) | - ((UInt32)data[i + 3] & (~3)); - - UInt32 dest; - if (encoding) - dest = ip + (UInt32)i + src; - else - dest = src - (ip + (UInt32)i); - data[i + 0] = (Byte)(0x48 | ((dest >> 24) & 0x3)); - data[i + 1] = (Byte)(dest >> 16); - data[i + 2] = (Byte)(dest >> 8); - data[i + 3] &= 0x3; - data[i + 3] |= dest; - } - } - return i; -} - -SizeT SPARC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding) -{ - UInt32 i; - if (size < 4) - return 0; - size -= 4; - for (i = 0; i <= size; i += 4) - { - if ((data[i] == 0x40 && (data[i + 1] & 0xC0) == 0x00) || - (data[i] == 0x7F && (data[i + 1] & 0xC0) == 0xC0)) - { - UInt32 src = - ((UInt32)data[i + 0] << 24) | - ((UInt32)data[i + 1] << 16) | - ((UInt32)data[i + 2] << 8) | - ((UInt32)data[i + 3]); - UInt32 dest; - - src <<= 2; - if (encoding) - dest = ip + i + src; - else - dest = src - (ip + i); - dest >>= 2; - - dest = (((0 - ((dest >> 22) & 1)) << 22) & 0x3FFFFFFF) | (dest & 0x3FFFFF) | 0x40000000; - - data[i + 0] = (Byte)(dest >> 24); - data[i + 1] = (Byte)(dest >> 16); - data[i + 2] = (Byte)(dest >> 8); - data[i + 3] = (Byte)dest; - } - } - return i; -} diff --git a/src/libs/7zip/win/C/Bra.h b/src/libs/7zip/win/C/Bra.h deleted file mode 100644 index 184c291a7..000000000 --- a/src/libs/7zip/win/C/Bra.h +++ /dev/null @@ -1,64 +0,0 @@ -/* Bra.h -- Branch converters for executables -2013-01-18 : Igor Pavlov : Public domain */ - -#ifndef __BRA_H -#define __BRA_H - -#include "7zTypes.h" - -EXTERN_C_BEGIN - -/* -These functions convert relative addresses to absolute addresses -in CALL instructions to increase the compression ratio. - - In: - data - data buffer - size - size of data - ip - current virtual Instruction Pinter (IP) value - state - state variable for x86 converter - encoding - 0 (for decoding), 1 (for encoding) - - Out: - state - state variable for x86 converter - - Returns: - The number of processed bytes. If you call these functions with multiple calls, - you must start next call with first byte after block of processed bytes. - - Type Endian Alignment LookAhead - - x86 little 1 4 - ARMT little 2 2 - ARM little 4 0 - PPC big 4 0 - SPARC big 4 0 - IA64 little 16 0 - - size must be >= Alignment + LookAhead, if it's not last block. - If (size < Alignment + LookAhead), converter returns 0. - - Example: - - UInt32 ip = 0; - for () - { - ; size must be >= Alignment + LookAhead, if it's not last block - SizeT processed = Convert(data, size, ip, 1); - data += processed; - size -= processed; - ip += processed; - } -*/ - -#define x86_Convert_Init(state) { state = 0; } -SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding); -SizeT ARM_Convert(Byte *data, SizeT size, UInt32 ip, int encoding); -SizeT ARMT_Convert(Byte *data, SizeT size, UInt32 ip, int encoding); -SizeT PPC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding); -SizeT SPARC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding); -SizeT IA64_Convert(Byte *data, SizeT size, UInt32 ip, int encoding); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/Bra86.c b/src/libs/7zip/win/C/Bra86.c deleted file mode 100644 index 6db15e7ec..000000000 --- a/src/libs/7zip/win/C/Bra86.c +++ /dev/null @@ -1,82 +0,0 @@ -/* Bra86.c -- Converter for x86 code (BCJ) -2013-11-12 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include "Bra.h" - -#define Test86MSByte(b) ((((b) + 1) & 0xFE) == 0) - -SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding) -{ - SizeT pos = 0; - UInt32 mask = *state & 7; - if (size < 5) - return 0; - size -= 4; - ip += 5; - - for (;;) - { - Byte *p = data + pos; - const Byte *limit = data + size; - for (; p < limit; p++) - if ((*p & 0xFE) == 0xE8) - break; - - { - SizeT d = (SizeT)(p - data - pos); - pos = (SizeT)(p - data); - if (p >= limit) - { - *state = (d > 2 ? 0 : mask >> (unsigned)d); - return pos; - } - if (d > 2) - mask = 0; - else - { - mask >>= (unsigned)d; - if (mask != 0 && (mask > 4 || mask == 3 || Test86MSByte(p[(mask >> 1) + 1]))) - { - mask = (mask >> 1) | 4; - pos++; - continue; - } - } - } - - if (Test86MSByte(p[4])) - { - UInt32 v = ((UInt32)p[4] << 24) | ((UInt32)p[3] << 16) | ((UInt32)p[2] << 8) | ((UInt32)p[1]); - UInt32 cur = ip + (UInt32)pos; - pos += 5; - if (encoding) - v += cur; - else - v -= cur; - if (mask != 0) - { - unsigned sh = (mask & 6) << 2; - if (Test86MSByte((Byte)(v >> sh))) - { - v ^= (((UInt32)0x100 << sh) - 1); - if (encoding) - v += cur; - else - v -= cur; - } - mask = 0; - } - p[1] = (Byte)v; - p[2] = (Byte)(v >> 8); - p[3] = (Byte)(v >> 16); - p[4] = (Byte)(0 - ((v >> 24) & 1)); - } - else - { - mask = (mask >> 1) | 4; - pos++; - } - } -} diff --git a/src/libs/7zip/win/C/BraIA64.c b/src/libs/7zip/win/C/BraIA64.c deleted file mode 100644 index aa1a44e1e..000000000 --- a/src/libs/7zip/win/C/BraIA64.c +++ /dev/null @@ -1,69 +0,0 @@ -/* BraIA64.c -- Converter for IA-64 code -2013-11-12 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include "Bra.h" - -static const Byte kBranchTable[32] = -{ - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, - 4, 4, 6, 6, 0, 0, 7, 7, - 4, 4, 0, 0, 4, 4, 0, 0 -}; - -SizeT IA64_Convert(Byte *data, SizeT size, UInt32 ip, int encoding) -{ - SizeT i; - if (size < 16) - return 0; - size -= 16; - for (i = 0; i <= size; i += 16) - { - UInt32 instrTemplate = data[i] & 0x1F; - UInt32 mask = kBranchTable[instrTemplate]; - UInt32 bitPos = 5; - int slot; - for (slot = 0; slot < 3; slot++, bitPos += 41) - { - UInt32 bytePos, bitRes; - UInt64 instruction, instNorm; - int j; - if (((mask >> slot) & 1) == 0) - continue; - bytePos = (bitPos >> 3); - bitRes = bitPos & 0x7; - instruction = 0; - for (j = 0; j < 6; j++) - instruction += (UInt64)data[i + j + bytePos] << (8 * j); - - instNorm = instruction >> bitRes; - if (((instNorm >> 37) & 0xF) == 0x5 && ((instNorm >> 9) & 0x7) == 0) - { - UInt32 src = (UInt32)((instNorm >> 13) & 0xFFFFF); - UInt32 dest; - src |= ((UInt32)(instNorm >> 36) & 1) << 20; - - src <<= 4; - - if (encoding) - dest = ip + (UInt32)i + src; - else - dest = src - (ip + (UInt32)i); - - dest >>= 4; - - instNorm &= ~((UInt64)(0x8FFFFF) << 13); - instNorm |= ((UInt64)(dest & 0xFFFFF) << 13); - instNorm |= ((UInt64)(dest & 0x100000) << (36 - 20)); - - instruction &= (1 << bitRes) - 1; - instruction |= (instNorm << bitRes); - for (j = 0; j < 6; j++) - data[i + j + bytePos] = (Byte)(instruction >> (8 * j)); - } - } - } - return i; -} diff --git a/src/libs/7zip/win/C/C.pri b/src/libs/7zip/win/C/C.pri deleted file mode 100644 index 23d688642..000000000 --- a/src/libs/7zip/win/C/C.pri +++ /dev/null @@ -1,48 +0,0 @@ -HEADERS += $$7ZIP_BASE/C/7zCrc.h \ - $$7ZIP_BASE/C/7zTypes.h \ - $$7ZIP_BASE/C/7zVersion.h \ - $$7ZIP_BASE/C/Alloc.h \ - $$7ZIP_BASE/C/Bra.h \ - $$7ZIP_BASE/C/Compiler.h \ - $$7ZIP_BASE/C/CpuArch.h \ - $$7ZIP_BASE/C/Delta.h \ - $$7ZIP_BASE/C/LzFind.h \ - $$7ZIP_BASE/C/LzFindMt.h \ - $$7ZIP_BASE/C/LzHash.h \ - $$7ZIP_BASE/C/Lzma2Dec.h \ - $$7ZIP_BASE/C/Lzma2Enc.h \ - $$7ZIP_BASE/C/LzmaDec.h \ - $$7ZIP_BASE/C/LzmaEnc.h \ - $$7ZIP_BASE/C/MtCoder.h \ - $$7ZIP_BASE/C/Precomp.h \ - $$7ZIP_BASE/C/RotateDefs.h \ - $$7ZIP_BASE/C/Sha256.h \ - $$7ZIP_BASE/C/Threads.h \ - $$7ZIP_BASE/C/Xz.h \ - $$7ZIP_BASE/C/XzCrc64.h \ - $$7ZIP_BASE/C/XzEnc.h - -SOURCES += $$7ZIP_BASE/C/7zCrc.c \ - $$7ZIP_BASE/C/7zCrcOpt.c \ - $$7ZIP_BASE/C/7zStream.c \ - $$7ZIP_BASE/C/Alloc.c \ - $$7ZIP_BASE/C/Bra.c \ - $$7ZIP_BASE/C/Bra86.c \ - $$7ZIP_BASE/C/BraIA64.c \ - $$7ZIP_BASE/C/CpuArch.c \ - $$7ZIP_BASE/C/Delta.c \ - $$7ZIP_BASE/C/LzFind.c \ - $$7ZIP_BASE/C/LzFindMt.c \ - $$7ZIP_BASE/C/Lzma2Dec.c \ - $$7ZIP_BASE/C/Lzma2Enc.c \ - $$7ZIP_BASE/C/LzmaDec.c \ - $$7ZIP_BASE/C/LzmaEnc.c \ - $$7ZIP_BASE/C/MtCoder.c \ - $$7ZIP_BASE/C/Sha256.c \ - $$7ZIP_BASE/C/Threads.c \ - $$7ZIP_BASE/C/Xz.c \ - $$7ZIP_BASE/C/XzCrc64.c \ - $$7ZIP_BASE/C/XzCrc64Opt.c \ - $$7ZIP_BASE/C/XzDec.c \ - $$7ZIP_BASE/C/XzEnc.c \ - $$7ZIP_BASE/C/XzIn.c diff --git a/src/libs/7zip/win/C/Compiler.h b/src/libs/7zip/win/C/Compiler.h deleted file mode 100644 index 6e964897e..000000000 --- a/src/libs/7zip/win/C/Compiler.h +++ /dev/null @@ -1,28 +0,0 @@ -/* Compiler.h -- Compiler ypes -2013-11-12 : Igor Pavlov : Public domain */ - -#ifndef __7Z_COMPILER_H -#define __7Z_COMPILER_H - -#ifdef _MSC_VER - - #ifdef UNDER_CE - #define RPC_NO_WINDOWS_H - /* #pragma warning(disable : 4115) // '_RPC_ASYNC_STATE' : named type definition in parentheses */ - #pragma warning(disable : 4201) // nonstandard extension used : nameless struct/union - #pragma warning(disable : 4214) // nonstandard extension used : bit field types other than int - #endif - - #if _MSC_VER >= 1300 - #pragma warning(disable : 4996) // This function or variable may be unsafe - #else - #pragma warning(disable : 4511) // copy constructor could not be generated - #pragma warning(disable : 4512) // assignment operator could not be generated - #pragma warning(disable : 4702) // unreachable code - #pragma warning(disable : 4710) // not inlined - #pragma warning(disable : 4786) // identifier was truncated to '255' characters in the debug information - #endif - -#endif - -#endif diff --git a/src/libs/7zip/win/C/CpuArch.c b/src/libs/7zip/win/C/CpuArch.c deleted file mode 100644 index 4feb028a2..000000000 --- a/src/libs/7zip/win/C/CpuArch.c +++ /dev/null @@ -1,190 +0,0 @@ -/* CpuArch.c -- CPU specific code -2012-05-29: Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include "CpuArch.h" - -#ifdef MY_CPU_X86_OR_AMD64 - -#if (defined(_MSC_VER) && !defined(MY_CPU_AMD64)) || defined(__GNUC__) -#define USE_ASM -#endif - -#if !defined(USE_ASM) && _MSC_VER >= 1500 -#include <intrin.h> -#endif - -#if defined(USE_ASM) && !defined(MY_CPU_AMD64) -static UInt32 CheckFlag(UInt32 flag) -{ - #ifdef _MSC_VER - __asm pushfd; - __asm pop EAX; - __asm mov EDX, EAX; - __asm xor EAX, flag; - __asm push EAX; - __asm popfd; - __asm pushfd; - __asm pop EAX; - __asm xor EAX, EDX; - __asm push EDX; - __asm popfd; - __asm and flag, EAX; - #else - __asm__ __volatile__ ( - "pushf\n\t" - "pop %%EAX\n\t" - "movl %%EAX,%%EDX\n\t" - "xorl %0,%%EAX\n\t" - "push %%EAX\n\t" - "popf\n\t" - "pushf\n\t" - "pop %%EAX\n\t" - "xorl %%EDX,%%EAX\n\t" - "push %%EDX\n\t" - "popf\n\t" - "andl %%EAX, %0\n\t": - "=c" (flag) : "c" (flag)); - #endif - return flag; -} -#define CHECK_CPUID_IS_SUPPORTED if (CheckFlag(1 << 18) == 0 || CheckFlag(1 << 21) == 0) return False; -#else -#define CHECK_CPUID_IS_SUPPORTED -#endif - -static void MyCPUID(UInt32 function, UInt32 *a, UInt32 *b, UInt32 *c, UInt32 *d) -{ - #ifdef USE_ASM - - #ifdef _MSC_VER - - UInt32 a2, b2, c2, d2; - __asm xor EBX, EBX; - __asm xor ECX, ECX; - __asm xor EDX, EDX; - __asm mov EAX, function; - __asm cpuid; - __asm mov a2, EAX; - __asm mov b2, EBX; - __asm mov c2, ECX; - __asm mov d2, EDX; - - *a = a2; - *b = b2; - *c = c2; - *d = d2; - - #else - - __asm__ __volatile__ ( - #if defined(MY_CPU_X86) && defined(__PIC__) - "mov %%ebx, %%edi;" - "cpuid;" - "xchgl %%ebx, %%edi;" - : "=a" (*a) , - "=D" (*b) , - #else - "cpuid" - : "=a" (*a) , - "=b" (*b) , - #endif - "=c" (*c) , - "=d" (*d) - : "0" (function)) ; - - #endif - - #else - - int CPUInfo[4]; - __cpuid(CPUInfo, function); - *a = CPUInfo[0]; - *b = CPUInfo[1]; - *c = CPUInfo[2]; - *d = CPUInfo[3]; - - #endif -} - -Bool x86cpuid_CheckAndRead(Cx86cpuid *p) -{ - CHECK_CPUID_IS_SUPPORTED - MyCPUID(0, &p->maxFunc, &p->vendor[0], &p->vendor[2], &p->vendor[1]); - MyCPUID(1, &p->ver, &p->b, &p->c, &p->d); - return True; -} - -static UInt32 kVendors[][3] = -{ - { 0x756E6547, 0x49656E69, 0x6C65746E}, - { 0x68747541, 0x69746E65, 0x444D4163}, - { 0x746E6543, 0x48727561, 0x736C7561} -}; - -int x86cpuid_GetFirm(const Cx86cpuid *p) -{ - unsigned i; - for (i = 0; i < sizeof(kVendors) / sizeof(kVendors[i]); i++) - { - const UInt32 *v = kVendors[i]; - if (v[0] == p->vendor[0] && - v[1] == p->vendor[1] && - v[2] == p->vendor[2]) - return (int)i; - } - return -1; -} - -Bool CPU_Is_InOrder() -{ - Cx86cpuid p; - int firm; - UInt32 family, model; - if (!x86cpuid_CheckAndRead(&p)) - return True; - family = x86cpuid_GetFamily(&p); - model = x86cpuid_GetModel(&p); - firm = x86cpuid_GetFirm(&p); - switch (firm) - { - case CPU_FIRM_INTEL: return (family < 6 || (family == 6 && ( - /* Atom CPU */ - model == 0x100C /* 45 nm, N4xx, D4xx, N5xx, D5xx, 230, 330 */ - || model == 0x2006 /* 45 nm, Z6xx */ - || model == 0x2007 /* 32 nm, Z2460 */ - || model == 0x3005 /* 32 nm, Z2760 */ - || model == 0x3006 /* 32 nm, N2xxx, D2xxx */ - ))); - case CPU_FIRM_AMD: return (family < 5 || (family == 5 && (model < 6 || model == 0xA))); - case CPU_FIRM_VIA: return (family < 6 || (family == 6 && model < 0xF)); - } - return True; -} - -#if !defined(MY_CPU_AMD64) && defined(_WIN32) -#include <windows.h> -static Bool CPU_Sys_Is_SSE_Supported() -{ - OSVERSIONINFO vi; - vi.dwOSVersionInfoSize = sizeof(vi); - if (!GetVersionEx(&vi)) - return False; - return (vi.dwMajorVersion >= 5); -} -#define CHECK_SYS_SSE_SUPPORT if (!CPU_Sys_Is_SSE_Supported()) return False; -#else -#define CHECK_SYS_SSE_SUPPORT -#endif - -Bool CPU_Is_Aes_Supported() -{ - Cx86cpuid p; - CHECK_SYS_SSE_SUPPORT - if (!x86cpuid_CheckAndRead(&p)) - return False; - return (p.c >> 25) & 1; -} - -#endif diff --git a/src/libs/7zip/win/C/CpuArch.h b/src/libs/7zip/win/C/CpuArch.h deleted file mode 100644 index 4fee00937..000000000 --- a/src/libs/7zip/win/C/CpuArch.h +++ /dev/null @@ -1,157 +0,0 @@ -/* CpuArch.h -- CPU specific code -2013-11-12: Igor Pavlov : Public domain */ - -#ifndef __CPU_ARCH_H -#define __CPU_ARCH_H - -#include "7zTypes.h" - -EXTERN_C_BEGIN - -/* -MY_CPU_LE means that CPU is LITTLE ENDIAN. -If MY_CPU_LE is not defined, we don't know about that property of platform (it can be LITTLE ENDIAN). - -MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses. -If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of platform. -*/ - -#if defined(_M_X64) || defined(_M_AMD64) || defined(__x86_64__) -#define MY_CPU_AMD64 -#endif - -#if defined(MY_CPU_AMD64) || defined(_M_IA64) -#define MY_CPU_64BIT -#endif - -#if defined(_M_IX86) || defined(__i386__) -#define MY_CPU_X86 -#endif - -#if defined(MY_CPU_X86) || defined(MY_CPU_AMD64) -#define MY_CPU_X86_OR_AMD64 -#endif - -#if defined(MY_CPU_X86) || defined(_M_ARM) -#define MY_CPU_32BIT -#endif - -#if defined(_WIN32) && defined(_M_ARM) -#define MY_CPU_ARM_LE -#endif - -#if defined(_WIN32) && defined(_M_IA64) -#define MY_CPU_IA64_LE -#endif - -#if defined(MY_CPU_X86_OR_AMD64) -#define MY_CPU_LE_UNALIGN -#endif - -#if defined(MY_CPU_X86_OR_AMD64) || defined(MY_CPU_ARM_LE) || defined(MY_CPU_IA64_LE) || defined(__ARMEL__) || defined(__MIPSEL__) || defined(__LITTLE_ENDIAN__) -#define MY_CPU_LE -#endif - -#if defined(__BIG_ENDIAN__) || defined(__m68k__) || defined(__ARMEB__) || defined(__MIPSEB__) -#define MY_CPU_BE -#endif - -#if defined(MY_CPU_LE) && defined(MY_CPU_BE) -Stop_Compiling_Bad_Endian -#endif - -#ifdef MY_CPU_LE_UNALIGN - -#define GetUi16(p) (*(const UInt16 *)(const void *)(p)) -#define GetUi32(p) (*(const UInt32 *)(const void *)(p)) -#define GetUi64(p) (*(const UInt64 *)(const void *)(p)) -#define SetUi16(p, d) *(UInt16 *)(p) = (d); -#define SetUi32(p, d) *(UInt32 *)(p) = (d); -#define SetUi64(p, d) *(UInt64 *)(p) = (d); - -#else - -#define GetUi16(p) (((const Byte *)(p))[0] | ((UInt16)((const Byte *)(p))[1] << 8)) - -#define GetUi32(p) ( \ - ((const Byte *)(p))[0] | \ - ((UInt32)((const Byte *)(p))[1] << 8) | \ - ((UInt32)((const Byte *)(p))[2] << 16) | \ - ((UInt32)((const Byte *)(p))[3] << 24)) - -#define GetUi64(p) (GetUi32(p) | ((UInt64)GetUi32(((const Byte *)(p)) + 4) << 32)) - -#define SetUi16(p, d) { UInt32 _x_ = (d); \ - ((Byte *)(p))[0] = (Byte)_x_; \ - ((Byte *)(p))[1] = (Byte)(_x_ >> 8); } - -#define SetUi32(p, d) { UInt32 _x_ = (d); \ - ((Byte *)(p))[0] = (Byte)_x_; \ - ((Byte *)(p))[1] = (Byte)(_x_ >> 8); \ - ((Byte *)(p))[2] = (Byte)(_x_ >> 16); \ - ((Byte *)(p))[3] = (Byte)(_x_ >> 24); } - -#define SetUi64(p, d) { UInt64 _x64_ = (d); \ - SetUi32(p, (UInt32)_x64_); \ - SetUi32(((Byte *)(p)) + 4, (UInt32)(_x64_ >> 32)); } - -#endif - -#if defined(MY_CPU_LE_UNALIGN) && defined(_WIN64) && (_MSC_VER >= 1300) - -#include <stdlib.h> - -#pragma intrinsic(_byteswap_ulong) -#pragma intrinsic(_byteswap_uint64) -#define GetBe32(p) _byteswap_ulong(*(const UInt32 *)(const Byte *)(p)) -#define GetBe64(p) _byteswap_uint64(*(const UInt64 *)(const Byte *)(p)) - -#else - -#define GetBe32(p) ( \ - ((UInt32)((const Byte *)(p))[0] << 24) | \ - ((UInt32)((const Byte *)(p))[1] << 16) | \ - ((UInt32)((const Byte *)(p))[2] << 8) | \ - ((const Byte *)(p))[3] ) - -#define GetBe64(p) (((UInt64)GetBe32(p) << 32) | GetBe32(((const Byte *)(p)) + 4)) - -#endif - -#define GetBe16(p) ((UInt16)(((UInt16)((const Byte *)(p))[0] << 8) | ((const Byte *)(p))[1])) - - -#ifdef MY_CPU_X86_OR_AMD64 - -typedef struct -{ - UInt32 maxFunc; - UInt32 vendor[3]; - UInt32 ver; - UInt32 b; - UInt32 c; - UInt32 d; -} Cx86cpuid; - -enum -{ - CPU_FIRM_INTEL, - CPU_FIRM_AMD, - CPU_FIRM_VIA -}; - -Bool x86cpuid_CheckAndRead(Cx86cpuid *p); -int x86cpuid_GetFirm(const Cx86cpuid *p); - -#define x86cpuid_GetFamily(p) (((p)->ver >> 8) & 0xFF00F) -#define x86cpuid_GetModel(p) (((p)->ver >> 4) & 0xF00F) -#define x86cpuid_GetStepping(p) ((p)->ver & 0xF) - -Bool CPU_Is_InOrder(); -Bool CPU_Is_Aes_Supported(); - -#endif - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/Delta.c b/src/libs/7zip/win/C/Delta.c deleted file mode 100644 index e3edd21ed..000000000 --- a/src/libs/7zip/win/C/Delta.c +++ /dev/null @@ -1,64 +0,0 @@ -/* Delta.c -- Delta converter -2009-05-26 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include "Delta.h" - -void Delta_Init(Byte *state) -{ - unsigned i; - for (i = 0; i < DELTA_STATE_SIZE; i++) - state[i] = 0; -} - -static void MyMemCpy(Byte *dest, const Byte *src, unsigned size) -{ - unsigned i; - for (i = 0; i < size; i++) - dest[i] = src[i]; -} - -void Delta_Encode(Byte *state, unsigned delta, Byte *data, SizeT size) -{ - Byte buf[DELTA_STATE_SIZE]; - unsigned j = 0; - MyMemCpy(buf, state, delta); - { - SizeT i; - for (i = 0; i < size;) - { - for (j = 0; j < delta && i < size; i++, j++) - { - Byte b = data[i]; - data[i] = (Byte)(b - buf[j]); - buf[j] = b; - } - } - } - if (j == delta) - j = 0; - MyMemCpy(state, buf + j, delta - j); - MyMemCpy(state + delta - j, buf, j); -} - -void Delta_Decode(Byte *state, unsigned delta, Byte *data, SizeT size) -{ - Byte buf[DELTA_STATE_SIZE]; - unsigned j = 0; - MyMemCpy(buf, state, delta); - { - SizeT i; - for (i = 0; i < size;) - { - for (j = 0; j < delta && i < size; i++, j++) - { - buf[j] = data[i] = (Byte)(buf[j] + data[i]); - } - } - } - if (j == delta) - j = 0; - MyMemCpy(state, buf + j, delta - j); - MyMemCpy(state + delta - j, buf, j); -} diff --git a/src/libs/7zip/win/C/Delta.h b/src/libs/7zip/win/C/Delta.h deleted file mode 100644 index 2fa54ad67..000000000 --- a/src/libs/7zip/win/C/Delta.h +++ /dev/null @@ -1,19 +0,0 @@ -/* Delta.h -- Delta converter -2013-01-18 : Igor Pavlov : Public domain */ - -#ifndef __DELTA_H -#define __DELTA_H - -#include "7zTypes.h" - -EXTERN_C_BEGIN - -#define DELTA_STATE_SIZE 256 - -void Delta_Init(Byte *state); -void Delta_Encode(Byte *state, unsigned delta, Byte *data, SizeT size); -void Delta_Decode(Byte *state, unsigned delta, Byte *data, SizeT size); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/LzFind.c b/src/libs/7zip/win/C/LzFind.c deleted file mode 100644 index 9a4d25b80..000000000 --- a/src/libs/7zip/win/C/LzFind.c +++ /dev/null @@ -1,763 +0,0 @@ -/* LzFind.c -- Match finder for LZ algorithms -2009-04-22 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include <string.h> - -#include "LzFind.h" -#include "LzHash.h" - -#define kEmptyHashValue 0 -#define kMaxValForNormalize ((UInt32)0xFFFFFFFF) -#define kNormalizeStepMin (1 << 10) /* it must be power of 2 */ -#define kNormalizeMask (~(kNormalizeStepMin - 1)) -#define kMaxHistorySize ((UInt32)3 << 30) - -#define kStartMaxLen 3 - -static void LzInWindow_Free(CMatchFinder *p, ISzAlloc *alloc) -{ - if (!p->directInput) - { - alloc->Free(alloc, p->bufferBase); - p->bufferBase = 0; - } -} - -/* keepSizeBefore + keepSizeAfter + keepSizeReserv must be < 4G) */ - -static int LzInWindow_Create(CMatchFinder *p, UInt32 keepSizeReserv, ISzAlloc *alloc) -{ - UInt32 blockSize = p->keepSizeBefore + p->keepSizeAfter + keepSizeReserv; - if (p->directInput) - { - p->blockSize = blockSize; - return 1; - } - if (p->bufferBase == 0 || p->blockSize != blockSize) - { - LzInWindow_Free(p, alloc); - p->blockSize = blockSize; - p->bufferBase = (Byte *)alloc->Alloc(alloc, (size_t)blockSize); - } - return (p->bufferBase != 0); -} - -Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p) { return p->buffer; } -Byte MatchFinder_GetIndexByte(CMatchFinder *p, Int32 index) { return p->buffer[index]; } - -UInt32 MatchFinder_GetNumAvailableBytes(CMatchFinder *p) { return p->streamPos - p->pos; } - -void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue) -{ - p->posLimit -= subValue; - p->pos -= subValue; - p->streamPos -= subValue; -} - -static void MatchFinder_ReadBlock(CMatchFinder *p) -{ - if (p->streamEndWasReached || p->result != SZ_OK) - return; - if (p->directInput) - { - UInt32 curSize = 0xFFFFFFFF - p->streamPos; - if (curSize > p->directInputRem) - curSize = (UInt32)p->directInputRem; - p->directInputRem -= curSize; - p->streamPos += curSize; - if (p->directInputRem == 0) - p->streamEndWasReached = 1; - return; - } - for (;;) - { - Byte *dest = p->buffer + (p->streamPos - p->pos); - size_t size = (p->bufferBase + p->blockSize - dest); - if (size == 0) - return; - p->result = p->stream->Read(p->stream, dest, &size); - if (p->result != SZ_OK) - return; - if (size == 0) - { - p->streamEndWasReached = 1; - return; - } - p->streamPos += (UInt32)size; - if (p->streamPos - p->pos > p->keepSizeAfter) - return; - } -} - -void MatchFinder_MoveBlock(CMatchFinder *p) -{ - memmove(p->bufferBase, - p->buffer - p->keepSizeBefore, - (size_t)(p->streamPos - p->pos + p->keepSizeBefore)); - p->buffer = p->bufferBase + p->keepSizeBefore; -} - -int MatchFinder_NeedMove(CMatchFinder *p) -{ - if (p->directInput) - return 0; - /* if (p->streamEndWasReached) return 0; */ - return ((size_t)(p->bufferBase + p->blockSize - p->buffer) <= p->keepSizeAfter); -} - -void MatchFinder_ReadIfRequired(CMatchFinder *p) -{ - if (p->streamEndWasReached) - return; - if (p->keepSizeAfter >= p->streamPos - p->pos) - MatchFinder_ReadBlock(p); -} - -static void MatchFinder_CheckAndMoveAndRead(CMatchFinder *p) -{ - if (MatchFinder_NeedMove(p)) - MatchFinder_MoveBlock(p); - MatchFinder_ReadBlock(p); -} - -static void MatchFinder_SetDefaultSettings(CMatchFinder *p) -{ - p->cutValue = 32; - p->btMode = 1; - p->numHashBytes = 4; - p->bigHash = 0; -} - -#define kCrcPoly 0xEDB88320 - -void MatchFinder_Construct(CMatchFinder *p) -{ - UInt32 i; - p->bufferBase = 0; - p->directInput = 0; - p->hash = 0; - MatchFinder_SetDefaultSettings(p); - - for (i = 0; i < 256; i++) - { - UInt32 r = i; - int j; - for (j = 0; j < 8; j++) - r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1)); - p->crc[i] = r; - } -} - -static void MatchFinder_FreeThisClassMemory(CMatchFinder *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->hash); - p->hash = 0; -} - -void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc) -{ - MatchFinder_FreeThisClassMemory(p, alloc); - LzInWindow_Free(p, alloc); -} - -static CLzRef* AllocRefs(UInt32 num, ISzAlloc *alloc) -{ - size_t sizeInBytes = (size_t)num * sizeof(CLzRef); - if (sizeInBytes / sizeof(CLzRef) != num) - return 0; - return (CLzRef *)alloc->Alloc(alloc, sizeInBytes); -} - -int MatchFinder_Create(CMatchFinder *p, UInt32 historySize, - UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter, - ISzAlloc *alloc) -{ - UInt32 sizeReserv; - if (historySize > kMaxHistorySize) - { - MatchFinder_Free(p, alloc); - return 0; - } - sizeReserv = historySize >> 1; - if (historySize > ((UInt32)2 << 30)) - sizeReserv = historySize >> 2; - sizeReserv += (keepAddBufferBefore + matchMaxLen + keepAddBufferAfter) / 2 + (1 << 19); - - p->keepSizeBefore = historySize + keepAddBufferBefore + 1; - p->keepSizeAfter = matchMaxLen + keepAddBufferAfter; - /* we need one additional byte, since we use MoveBlock after pos++ and before dictionary using */ - if (LzInWindow_Create(p, sizeReserv, alloc)) - { - UInt32 newCyclicBufferSize = historySize + 1; - UInt32 hs; - p->matchMaxLen = matchMaxLen; - { - p->fixedHashSize = 0; - if (p->numHashBytes == 2) - hs = (1 << 16) - 1; - else - { - hs = historySize - 1; - hs |= (hs >> 1); - hs |= (hs >> 2); - hs |= (hs >> 4); - hs |= (hs >> 8); - hs >>= 1; - hs |= 0xFFFF; /* don't change it! It's required for Deflate */ - if (hs > (1 << 24)) - { - if (p->numHashBytes == 3) - hs = (1 << 24) - 1; - else - hs >>= 1; - } - } - p->hashMask = hs; - hs++; - if (p->numHashBytes > 2) p->fixedHashSize += kHash2Size; - if (p->numHashBytes > 3) p->fixedHashSize += kHash3Size; - if (p->numHashBytes > 4) p->fixedHashSize += kHash4Size; - hs += p->fixedHashSize; - } - - { - UInt32 prevSize = p->hashSizeSum + p->numSons; - UInt32 newSize; - p->historySize = historySize; - p->hashSizeSum = hs; - p->cyclicBufferSize = newCyclicBufferSize; - p->numSons = (p->btMode ? newCyclicBufferSize * 2 : newCyclicBufferSize); - newSize = p->hashSizeSum + p->numSons; - if (p->hash != 0 && prevSize == newSize) - return 1; - MatchFinder_FreeThisClassMemory(p, alloc); - p->hash = AllocRefs(newSize, alloc); - if (p->hash != 0) - { - p->son = p->hash + p->hashSizeSum; - return 1; - } - } - } - MatchFinder_Free(p, alloc); - return 0; -} - -static void MatchFinder_SetLimits(CMatchFinder *p) -{ - UInt32 limit = kMaxValForNormalize - p->pos; - UInt32 limit2 = p->cyclicBufferSize - p->cyclicBufferPos; - if (limit2 < limit) - limit = limit2; - limit2 = p->streamPos - p->pos; - if (limit2 <= p->keepSizeAfter) - { - if (limit2 > 0) - limit2 = 1; - } - else - limit2 -= p->keepSizeAfter; - if (limit2 < limit) - limit = limit2; - { - UInt32 lenLimit = p->streamPos - p->pos; - if (lenLimit > p->matchMaxLen) - lenLimit = p->matchMaxLen; - p->lenLimit = lenLimit; - } - p->posLimit = p->pos + limit; -} - -void MatchFinder_Init(CMatchFinder *p) -{ - UInt32 i; - for (i = 0; i < p->hashSizeSum; i++) - p->hash[i] = kEmptyHashValue; - p->cyclicBufferPos = 0; - p->buffer = p->bufferBase; - p->pos = p->streamPos = p->cyclicBufferSize; - p->result = SZ_OK; - p->streamEndWasReached = 0; - MatchFinder_ReadBlock(p); - MatchFinder_SetLimits(p); -} - -static UInt32 MatchFinder_GetSubValue(CMatchFinder *p) -{ - return (p->pos - p->historySize - 1) & kNormalizeMask; -} - -void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems) -{ - UInt32 i; - for (i = 0; i < numItems; i++) - { - UInt32 value = items[i]; - if (value <= subValue) - value = kEmptyHashValue; - else - value -= subValue; - items[i] = value; - } -} - -static void MatchFinder_Normalize(CMatchFinder *p) -{ - UInt32 subValue = MatchFinder_GetSubValue(p); - MatchFinder_Normalize3(subValue, p->hash, p->hashSizeSum + p->numSons); - MatchFinder_ReduceOffsets(p, subValue); -} - -static void MatchFinder_CheckLimits(CMatchFinder *p) -{ - if (p->pos == kMaxValForNormalize) - MatchFinder_Normalize(p); - if (!p->streamEndWasReached && p->keepSizeAfter == p->streamPos - p->pos) - MatchFinder_CheckAndMoveAndRead(p); - if (p->cyclicBufferPos == p->cyclicBufferSize) - p->cyclicBufferPos = 0; - MatchFinder_SetLimits(p); -} - -static UInt32 * Hc_GetMatchesSpec(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, - UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue, - UInt32 *distances, UInt32 maxLen) -{ - son[_cyclicBufferPos] = curMatch; - for (;;) - { - UInt32 delta = pos - curMatch; - if (cutValue-- == 0 || delta >= _cyclicBufferSize) - return distances; - { - const Byte *pb = cur - delta; - curMatch = son[_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)]; - if (pb[maxLen] == cur[maxLen] && *pb == *cur) - { - UInt32 len = 0; - while (++len != lenLimit) - if (pb[len] != cur[len]) - break; - if (maxLen < len) - { - *distances++ = maxLen = len; - *distances++ = delta - 1; - if (len == lenLimit) - return distances; - } - } - } - } -} - -UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, - UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue, - UInt32 *distances, UInt32 maxLen) -{ - CLzRef *ptr0 = son + (_cyclicBufferPos << 1) + 1; - CLzRef *ptr1 = son + (_cyclicBufferPos << 1); - UInt32 len0 = 0, len1 = 0; - for (;;) - { - UInt32 delta = pos - curMatch; - if (cutValue-- == 0 || delta >= _cyclicBufferSize) - { - *ptr0 = *ptr1 = kEmptyHashValue; - return distances; - } - { - CLzRef *pair = son + ((_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)) << 1); - const Byte *pb = cur - delta; - UInt32 len = (len0 < len1 ? len0 : len1); - if (pb[len] == cur[len]) - { - if (++len != lenLimit && pb[len] == cur[len]) - while (++len != lenLimit) - if (pb[len] != cur[len]) - break; - if (maxLen < len) - { - *distances++ = maxLen = len; - *distances++ = delta - 1; - if (len == lenLimit) - { - *ptr1 = pair[0]; - *ptr0 = pair[1]; - return distances; - } - } - } - if (pb[len] < cur[len]) - { - *ptr1 = curMatch; - ptr1 = pair + 1; - curMatch = *ptr1; - len1 = len; - } - else - { - *ptr0 = curMatch; - ptr0 = pair; - curMatch = *ptr0; - len0 = len; - } - } - } -} - -static void SkipMatchesSpec(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, - UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue) -{ - CLzRef *ptr0 = son + (_cyclicBufferPos << 1) + 1; - CLzRef *ptr1 = son + (_cyclicBufferPos << 1); - UInt32 len0 = 0, len1 = 0; - for (;;) - { - UInt32 delta = pos - curMatch; - if (cutValue-- == 0 || delta >= _cyclicBufferSize) - { - *ptr0 = *ptr1 = kEmptyHashValue; - return; - } - { - CLzRef *pair = son + ((_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)) << 1); - const Byte *pb = cur - delta; - UInt32 len = (len0 < len1 ? len0 : len1); - if (pb[len] == cur[len]) - { - while (++len != lenLimit) - if (pb[len] != cur[len]) - break; - { - if (len == lenLimit) - { - *ptr1 = pair[0]; - *ptr0 = pair[1]; - return; - } - } - } - if (pb[len] < cur[len]) - { - *ptr1 = curMatch; - ptr1 = pair + 1; - curMatch = *ptr1; - len1 = len; - } - else - { - *ptr0 = curMatch; - ptr0 = pair; - curMatch = *ptr0; - len0 = len; - } - } - } -} - -#define MOVE_POS \ - ++p->cyclicBufferPos; \ - p->buffer++; \ - if (++p->pos == p->posLimit) MatchFinder_CheckLimits(p); - -#define MOVE_POS_RET MOVE_POS return offset; - -static void MatchFinder_MovePos(CMatchFinder *p) { MOVE_POS; } - -#define GET_MATCHES_HEADER2(minLen, ret_op) \ - UInt32 lenLimit; UInt32 hashValue; const Byte *cur; UInt32 curMatch; \ - lenLimit = p->lenLimit; { if (lenLimit < minLen) { MatchFinder_MovePos(p); ret_op; }} \ - cur = p->buffer; - -#define GET_MATCHES_HEADER(minLen) GET_MATCHES_HEADER2(minLen, return 0) -#define SKIP_HEADER(minLen) GET_MATCHES_HEADER2(minLen, continue) - -#define MF_PARAMS(p) p->pos, p->buffer, p->son, p->cyclicBufferPos, p->cyclicBufferSize, p->cutValue - -#define GET_MATCHES_FOOTER(offset, maxLen) \ - offset = (UInt32)(GetMatchesSpec1(lenLimit, curMatch, MF_PARAMS(p), \ - distances + offset, maxLen) - distances); MOVE_POS_RET; - -#define SKIP_FOOTER \ - SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); MOVE_POS; - -static UInt32 Bt2_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) -{ - UInt32 offset; - GET_MATCHES_HEADER(2) - HASH2_CALC; - curMatch = p->hash[hashValue]; - p->hash[hashValue] = p->pos; - offset = 0; - GET_MATCHES_FOOTER(offset, 1) -} - -UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) -{ - UInt32 offset; - GET_MATCHES_HEADER(3) - HASH_ZIP_CALC; - curMatch = p->hash[hashValue]; - p->hash[hashValue] = p->pos; - offset = 0; - GET_MATCHES_FOOTER(offset, 2) -} - -static UInt32 Bt3_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) -{ - UInt32 hash2Value, delta2, maxLen, offset; - GET_MATCHES_HEADER(3) - - HASH3_CALC; - - delta2 = p->pos - p->hash[hash2Value]; - curMatch = p->hash[kFix3HashSize + hashValue]; - - p->hash[hash2Value] = - p->hash[kFix3HashSize + hashValue] = p->pos; - - - maxLen = 2; - offset = 0; - if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur) - { - for (; maxLen != lenLimit; maxLen++) - if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen]) - break; - distances[0] = maxLen; - distances[1] = delta2 - 1; - offset = 2; - if (maxLen == lenLimit) - { - SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); - MOVE_POS_RET; - } - } - GET_MATCHES_FOOTER(offset, maxLen) -} - -static UInt32 Bt4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) -{ - UInt32 hash2Value, hash3Value, delta2, delta3, maxLen, offset; - GET_MATCHES_HEADER(4) - - HASH4_CALC; - - delta2 = p->pos - p->hash[ hash2Value]; - delta3 = p->pos - p->hash[kFix3HashSize + hash3Value]; - curMatch = p->hash[kFix4HashSize + hashValue]; - - p->hash[ hash2Value] = - p->hash[kFix3HashSize + hash3Value] = - p->hash[kFix4HashSize + hashValue] = p->pos; - - maxLen = 1; - offset = 0; - if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur) - { - distances[0] = maxLen = 2; - distances[1] = delta2 - 1; - offset = 2; - } - if (delta2 != delta3 && delta3 < p->cyclicBufferSize && *(cur - delta3) == *cur) - { - maxLen = 3; - distances[offset + 1] = delta3 - 1; - offset += 2; - delta2 = delta3; - } - if (offset != 0) - { - for (; maxLen != lenLimit; maxLen++) - if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen]) - break; - distances[offset - 2] = maxLen; - if (maxLen == lenLimit) - { - SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); - MOVE_POS_RET; - } - } - if (maxLen < 3) - maxLen = 3; - GET_MATCHES_FOOTER(offset, maxLen) -} - -static UInt32 Hc4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) -{ - UInt32 hash2Value, hash3Value, delta2, delta3, maxLen, offset; - GET_MATCHES_HEADER(4) - - HASH4_CALC; - - delta2 = p->pos - p->hash[ hash2Value]; - delta3 = p->pos - p->hash[kFix3HashSize + hash3Value]; - curMatch = p->hash[kFix4HashSize + hashValue]; - - p->hash[ hash2Value] = - p->hash[kFix3HashSize + hash3Value] = - p->hash[kFix4HashSize + hashValue] = p->pos; - - maxLen = 1; - offset = 0; - if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur) - { - distances[0] = maxLen = 2; - distances[1] = delta2 - 1; - offset = 2; - } - if (delta2 != delta3 && delta3 < p->cyclicBufferSize && *(cur - delta3) == *cur) - { - maxLen = 3; - distances[offset + 1] = delta3 - 1; - offset += 2; - delta2 = delta3; - } - if (offset != 0) - { - for (; maxLen != lenLimit; maxLen++) - if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen]) - break; - distances[offset - 2] = maxLen; - if (maxLen == lenLimit) - { - p->son[p->cyclicBufferPos] = curMatch; - MOVE_POS_RET; - } - } - if (maxLen < 3) - maxLen = 3; - offset = (UInt32)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p), - distances + offset, maxLen) - (distances)); - MOVE_POS_RET -} - -UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) -{ - UInt32 offset; - GET_MATCHES_HEADER(3) - HASH_ZIP_CALC; - curMatch = p->hash[hashValue]; - p->hash[hashValue] = p->pos; - offset = (UInt32)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p), - distances, 2) - (distances)); - MOVE_POS_RET -} - -static void Bt2_MatchFinder_Skip(CMatchFinder *p, UInt32 num) -{ - do - { - SKIP_HEADER(2) - HASH2_CALC; - curMatch = p->hash[hashValue]; - p->hash[hashValue] = p->pos; - SKIP_FOOTER - } - while (--num != 0); -} - -void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num) -{ - do - { - SKIP_HEADER(3) - HASH_ZIP_CALC; - curMatch = p->hash[hashValue]; - p->hash[hashValue] = p->pos; - SKIP_FOOTER - } - while (--num != 0); -} - -static void Bt3_MatchFinder_Skip(CMatchFinder *p, UInt32 num) -{ - do - { - UInt32 hash2Value; - SKIP_HEADER(3) - HASH3_CALC; - curMatch = p->hash[kFix3HashSize + hashValue]; - p->hash[hash2Value] = - p->hash[kFix3HashSize + hashValue] = p->pos; - SKIP_FOOTER - } - while (--num != 0); -} - -static void Bt4_MatchFinder_Skip(CMatchFinder *p, UInt32 num) -{ - do - { - UInt32 hash2Value, hash3Value; - SKIP_HEADER(4) - HASH4_CALC; - curMatch = p->hash[kFix4HashSize + hashValue]; - p->hash[ hash2Value] = - p->hash[kFix3HashSize + hash3Value] = p->pos; - p->hash[kFix4HashSize + hashValue] = p->pos; - SKIP_FOOTER - } - while (--num != 0); -} - -static void Hc4_MatchFinder_Skip(CMatchFinder *p, UInt32 num) -{ - do - { - UInt32 hash2Value, hash3Value; - SKIP_HEADER(4) - HASH4_CALC; - curMatch = p->hash[kFix4HashSize + hashValue]; - p->hash[ hash2Value] = - p->hash[kFix3HashSize + hash3Value] = - p->hash[kFix4HashSize + hashValue] = p->pos; - p->son[p->cyclicBufferPos] = curMatch; - MOVE_POS - } - while (--num != 0); -} - -void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num) -{ - do - { - SKIP_HEADER(3) - HASH_ZIP_CALC; - curMatch = p->hash[hashValue]; - p->hash[hashValue] = p->pos; - p->son[p->cyclicBufferPos] = curMatch; - MOVE_POS - } - while (--num != 0); -} - -void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable) -{ - vTable->Init = (Mf_Init_Func)MatchFinder_Init; - vTable->GetIndexByte = (Mf_GetIndexByte_Func)MatchFinder_GetIndexByte; - vTable->GetNumAvailableBytes = (Mf_GetNumAvailableBytes_Func)MatchFinder_GetNumAvailableBytes; - vTable->GetPointerToCurrentPos = (Mf_GetPointerToCurrentPos_Func)MatchFinder_GetPointerToCurrentPos; - if (!p->btMode) - { - vTable->GetMatches = (Mf_GetMatches_Func)Hc4_MatchFinder_GetMatches; - vTable->Skip = (Mf_Skip_Func)Hc4_MatchFinder_Skip; - } - else if (p->numHashBytes == 2) - { - vTable->GetMatches = (Mf_GetMatches_Func)Bt2_MatchFinder_GetMatches; - vTable->Skip = (Mf_Skip_Func)Bt2_MatchFinder_Skip; - } - else if (p->numHashBytes == 3) - { - vTable->GetMatches = (Mf_GetMatches_Func)Bt3_MatchFinder_GetMatches; - vTable->Skip = (Mf_Skip_Func)Bt3_MatchFinder_Skip; - } - else - { - vTable->GetMatches = (Mf_GetMatches_Func)Bt4_MatchFinder_GetMatches; - vTable->Skip = (Mf_Skip_Func)Bt4_MatchFinder_Skip; - } -} diff --git a/src/libs/7zip/win/C/LzFind.h b/src/libs/7zip/win/C/LzFind.h deleted file mode 100644 index 706143d25..000000000 --- a/src/libs/7zip/win/C/LzFind.h +++ /dev/null @@ -1,111 +0,0 @@ -/* LzFind.h -- Match finder for LZ algorithms -2013-01-18 : Igor Pavlov : Public domain */ - -#ifndef __LZ_FIND_H -#define __LZ_FIND_H - -#include "7zTypes.h" - -EXTERN_C_BEGIN - -typedef UInt32 CLzRef; - -typedef struct _CMatchFinder -{ - Byte *buffer; - UInt32 pos; - UInt32 posLimit; - UInt32 streamPos; - UInt32 lenLimit; - - UInt32 cyclicBufferPos; - UInt32 cyclicBufferSize; /* it must be = (historySize + 1) */ - - UInt32 matchMaxLen; - CLzRef *hash; - CLzRef *son; - UInt32 hashMask; - UInt32 cutValue; - - Byte *bufferBase; - ISeqInStream *stream; - int streamEndWasReached; - - UInt32 blockSize; - UInt32 keepSizeBefore; - UInt32 keepSizeAfter; - - UInt32 numHashBytes; - int directInput; - size_t directInputRem; - int btMode; - int bigHash; - UInt32 historySize; - UInt32 fixedHashSize; - UInt32 hashSizeSum; - UInt32 numSons; - SRes result; - UInt32 crc[256]; -} CMatchFinder; - -#define Inline_MatchFinder_GetPointerToCurrentPos(p) ((p)->buffer) -#define Inline_MatchFinder_GetIndexByte(p, index) ((p)->buffer[(Int32)(index)]) - -#define Inline_MatchFinder_GetNumAvailableBytes(p) ((p)->streamPos - (p)->pos) - -int MatchFinder_NeedMove(CMatchFinder *p); -Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p); -void MatchFinder_MoveBlock(CMatchFinder *p); -void MatchFinder_ReadIfRequired(CMatchFinder *p); - -void MatchFinder_Construct(CMatchFinder *p); - -/* Conditions: - historySize <= 3 GB - keepAddBufferBefore + matchMaxLen + keepAddBufferAfter < 511MB -*/ -int MatchFinder_Create(CMatchFinder *p, UInt32 historySize, - UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter, - ISzAlloc *alloc); -void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc); -void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems); -void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue); - -UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *buffer, CLzRef *son, - UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 _cutValue, - UInt32 *distances, UInt32 maxLen); - -/* -Conditions: - Mf_GetNumAvailableBytes_Func must be called before each Mf_GetMatchLen_Func. - Mf_GetPointerToCurrentPos_Func's result must be used only before any other function -*/ - -typedef void (*Mf_Init_Func)(void *object); -typedef Byte (*Mf_GetIndexByte_Func)(void *object, Int32 index); -typedef UInt32 (*Mf_GetNumAvailableBytes_Func)(void *object); -typedef const Byte * (*Mf_GetPointerToCurrentPos_Func)(void *object); -typedef UInt32 (*Mf_GetMatches_Func)(void *object, UInt32 *distances); -typedef void (*Mf_Skip_Func)(void *object, UInt32); - -typedef struct _IMatchFinder -{ - Mf_Init_Func Init; - Mf_GetIndexByte_Func GetIndexByte; - Mf_GetNumAvailableBytes_Func GetNumAvailableBytes; - Mf_GetPointerToCurrentPos_Func GetPointerToCurrentPos; - Mf_GetMatches_Func GetMatches; - Mf_Skip_Func Skip; -} IMatchFinder; - -void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable); - -void MatchFinder_Init(CMatchFinder *p); -UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances); -UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances); -void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num); -void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/LzFindMt.c b/src/libs/7zip/win/C/LzFindMt.c deleted file mode 100644 index 8be0adaaf..000000000 --- a/src/libs/7zip/win/C/LzFindMt.c +++ /dev/null @@ -1,794 +0,0 @@ -/* LzFindMt.c -- multithreaded Match finder for LZ algorithms -2014-12-29 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include "LzHash.h" - -#include "LzFindMt.h" - -void MtSync_Construct(CMtSync *p) -{ - p->wasCreated = False; - p->csWasInitialized = False; - p->csWasEntered = False; - Thread_Construct(&p->thread); - Event_Construct(&p->canStart); - Event_Construct(&p->wasStarted); - Event_Construct(&p->wasStopped); - Semaphore_Construct(&p->freeSemaphore); - Semaphore_Construct(&p->filledSemaphore); -} - -void MtSync_GetNextBlock(CMtSync *p) -{ - if (p->needStart) - { - p->numProcessedBlocks = 1; - p->needStart = False; - p->stopWriting = False; - p->exit = False; - Event_Reset(&p->wasStarted); - Event_Reset(&p->wasStopped); - - Event_Set(&p->canStart); - Event_Wait(&p->wasStarted); - } - else - { - CriticalSection_Leave(&p->cs); - p->csWasEntered = False; - p->numProcessedBlocks++; - Semaphore_Release1(&p->freeSemaphore); - } - Semaphore_Wait(&p->filledSemaphore); - CriticalSection_Enter(&p->cs); - p->csWasEntered = True; -} - -/* MtSync_StopWriting must be called if Writing was started */ - -void MtSync_StopWriting(CMtSync *p) -{ - UInt32 myNumBlocks = p->numProcessedBlocks; - if (!Thread_WasCreated(&p->thread) || p->needStart) - return; - p->stopWriting = True; - if (p->csWasEntered) - { - CriticalSection_Leave(&p->cs); - p->csWasEntered = False; - } - Semaphore_Release1(&p->freeSemaphore); - - Event_Wait(&p->wasStopped); - - while (myNumBlocks++ != p->numProcessedBlocks) - { - Semaphore_Wait(&p->filledSemaphore); - Semaphore_Release1(&p->freeSemaphore); - } - p->needStart = True; -} - -void MtSync_Destruct(CMtSync *p) -{ - if (Thread_WasCreated(&p->thread)) - { - MtSync_StopWriting(p); - p->exit = True; - if (p->needStart) - Event_Set(&p->canStart); - Thread_Wait(&p->thread); - Thread_Close(&p->thread); - } - if (p->csWasInitialized) - { - CriticalSection_Delete(&p->cs); - p->csWasInitialized = False; - } - - Event_Close(&p->canStart); - Event_Close(&p->wasStarted); - Event_Close(&p->wasStopped); - Semaphore_Close(&p->freeSemaphore); - Semaphore_Close(&p->filledSemaphore); - - p->wasCreated = False; -} - -#define RINOK_THREAD(x) { if ((x) != 0) return SZ_ERROR_THREAD; } - -static SRes MtSync_Create2(CMtSync *p, THREAD_FUNC_TYPE startAddress, void *obj, UInt32 numBlocks) -{ - if (p->wasCreated) - return SZ_OK; - - RINOK_THREAD(CriticalSection_Init(&p->cs)); - p->csWasInitialized = True; - - RINOK_THREAD(AutoResetEvent_CreateNotSignaled(&p->canStart)); - RINOK_THREAD(AutoResetEvent_CreateNotSignaled(&p->wasStarted)); - RINOK_THREAD(AutoResetEvent_CreateNotSignaled(&p->wasStopped)); - - RINOK_THREAD(Semaphore_Create(&p->freeSemaphore, numBlocks, numBlocks)); - RINOK_THREAD(Semaphore_Create(&p->filledSemaphore, 0, numBlocks)); - - p->needStart = True; - - RINOK_THREAD(Thread_Create(&p->thread, startAddress, obj)); - p->wasCreated = True; - return SZ_OK; -} - -static SRes MtSync_Create(CMtSync *p, THREAD_FUNC_TYPE startAddress, void *obj, UInt32 numBlocks) -{ - SRes res = MtSync_Create2(p, startAddress, obj, numBlocks); - if (res != SZ_OK) - MtSync_Destruct(p); - return res; -} - -void MtSync_Init(CMtSync *p) { p->needStart = True; } - -#define kMtMaxValForNormalize 0xFFFFFFFF - -#define DEF_GetHeads2(name, v, action) \ -static void GetHeads ## name(const Byte *p, UInt32 pos, \ -UInt32 *hash, UInt32 hashMask, UInt32 *heads, UInt32 numHeads, const UInt32 *crc) \ -{ action; for (; numHeads != 0; numHeads--) { \ -const UInt32 value = (v); p++; *heads++ = pos - hash[value]; hash[value] = pos++; } } - -#define DEF_GetHeads(name, v) DEF_GetHeads2(name, v, ;) - -DEF_GetHeads2(2, (p[0] | ((UInt32)p[1] << 8)), hashMask = hashMask; crc = crc; ) -DEF_GetHeads(3, (crc[p[0]] ^ p[1] ^ ((UInt32)p[2] << 8)) & hashMask) -DEF_GetHeads(4, (crc[p[0]] ^ p[1] ^ ((UInt32)p[2] << 8) ^ (crc[p[3]] << 5)) & hashMask) -DEF_GetHeads(4b, (crc[p[0]] ^ p[1] ^ ((UInt32)p[2] << 8) ^ ((UInt32)p[3] << 16)) & hashMask) -/* DEF_GetHeads(5, (crc[p[0]] ^ p[1] ^ ((UInt32)p[2] << 8) ^ (crc[p[3]] << 5) ^ (crc[p[4]] << 3)) & hashMask) */ - -void HashThreadFunc(CMatchFinderMt *mt) -{ - CMtSync *p = &mt->hashSync; - for (;;) - { - UInt32 numProcessedBlocks = 0; - Event_Wait(&p->canStart); - Event_Set(&p->wasStarted); - for (;;) - { - if (p->exit) - return; - if (p->stopWriting) - { - p->numProcessedBlocks = numProcessedBlocks; - Event_Set(&p->wasStopped); - break; - } - - { - CMatchFinder *mf = mt->MatchFinder; - if (MatchFinder_NeedMove(mf)) - { - CriticalSection_Enter(&mt->btSync.cs); - CriticalSection_Enter(&mt->hashSync.cs); - { - const Byte *beforePtr = MatchFinder_GetPointerToCurrentPos(mf); - const Byte *afterPtr; - MatchFinder_MoveBlock(mf); - afterPtr = MatchFinder_GetPointerToCurrentPos(mf); - mt->pointerToCurPos -= beforePtr - afterPtr; - mt->buffer -= beforePtr - afterPtr; - } - CriticalSection_Leave(&mt->btSync.cs); - CriticalSection_Leave(&mt->hashSync.cs); - continue; - } - - Semaphore_Wait(&p->freeSemaphore); - - MatchFinder_ReadIfRequired(mf); - if (mf->pos > (kMtMaxValForNormalize - kMtHashBlockSize)) - { - UInt32 subValue = (mf->pos - mf->historySize - 1); - MatchFinder_ReduceOffsets(mf, subValue); - MatchFinder_Normalize3(subValue, mf->hash + mf->fixedHashSize, mf->hashMask + 1); - } - { - UInt32 *heads = mt->hashBuf + ((numProcessedBlocks++) & kMtHashNumBlocksMask) * kMtHashBlockSize; - UInt32 num = mf->streamPos - mf->pos; - heads[0] = 2; - heads[1] = num; - if (num >= mf->numHashBytes) - { - num = num - mf->numHashBytes + 1; - if (num > kMtHashBlockSize - 2) - num = kMtHashBlockSize - 2; - mt->GetHeadsFunc(mf->buffer, mf->pos, mf->hash + mf->fixedHashSize, mf->hashMask, heads + 2, num, mf->crc); - heads[0] += num; - } - mf->pos += num; - mf->buffer += num; - } - } - - Semaphore_Release1(&p->filledSemaphore); - } - } -} - -void MatchFinderMt_GetNextBlock_Hash(CMatchFinderMt *p) -{ - MtSync_GetNextBlock(&p->hashSync); - p->hashBufPosLimit = p->hashBufPos = ((p->hashSync.numProcessedBlocks - 1) & kMtHashNumBlocksMask) * kMtHashBlockSize; - p->hashBufPosLimit += p->hashBuf[p->hashBufPos++]; - p->hashNumAvail = p->hashBuf[p->hashBufPos++]; -} - -#define kEmptyHashValue 0 - -/* #define MFMT_GM_INLINE */ - -#ifdef MFMT_GM_INLINE - -#define NO_INLINE MY_FAST_CALL - -Int32 NO_INLINE GetMatchesSpecN(UInt32 lenLimit, UInt32 pos, const Byte *cur, CLzRef *son, - UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 _cutValue, - UInt32 *_distances, UInt32 _maxLen, const UInt32 *hash, Int32 limit, UInt32 size, UInt32 *posRes) -{ - do - { - UInt32 *distances = _distances + 1; - UInt32 curMatch = pos - *hash++; - - CLzRef *ptr0 = son + (_cyclicBufferPos << 1) + 1; - CLzRef *ptr1 = son + (_cyclicBufferPos << 1); - UInt32 len0 = 0, len1 = 0; - UInt32 cutValue = _cutValue; - UInt32 maxLen = _maxLen; - for (;;) - { - UInt32 delta = pos - curMatch; - if (cutValue-- == 0 || delta >= _cyclicBufferSize) - { - *ptr0 = *ptr1 = kEmptyHashValue; - break; - } - { - CLzRef *pair = son + ((_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)) << 1); - const Byte *pb = cur - delta; - UInt32 len = (len0 < len1 ? len0 : len1); - if (pb[len] == cur[len]) - { - if (++len != lenLimit && pb[len] == cur[len]) - while (++len != lenLimit) - if (pb[len] != cur[len]) - break; - if (maxLen < len) - { - *distances++ = maxLen = len; - *distances++ = delta - 1; - if (len == lenLimit) - { - *ptr1 = pair[0]; - *ptr0 = pair[1]; - break; - } - } - } - if (pb[len] < cur[len]) - { - *ptr1 = curMatch; - ptr1 = pair + 1; - curMatch = *ptr1; - len1 = len; - } - else - { - *ptr0 = curMatch; - ptr0 = pair; - curMatch = *ptr0; - len0 = len; - } - } - } - pos++; - _cyclicBufferPos++; - cur++; - { - UInt32 num = (UInt32)(distances - _distances); - *_distances = num - 1; - _distances += num; - limit -= num; - } - } - while (limit > 0 && --size != 0); - *posRes = pos; - return limit; -} - -#endif - -void BtGetMatches(CMatchFinderMt *p, UInt32 *distances) -{ - UInt32 numProcessed = 0; - UInt32 curPos = 2; - UInt32 limit = kMtBtBlockSize - (p->matchMaxLen * 2); - distances[1] = p->hashNumAvail; - while (curPos < limit) - { - if (p->hashBufPos == p->hashBufPosLimit) - { - MatchFinderMt_GetNextBlock_Hash(p); - distances[1] = numProcessed + p->hashNumAvail; - if (p->hashNumAvail >= p->numHashBytes) - continue; - for (; p->hashNumAvail != 0; p->hashNumAvail--) - distances[curPos++] = 0; - break; - } - { - UInt32 size = p->hashBufPosLimit - p->hashBufPos; - UInt32 lenLimit = p->matchMaxLen; - UInt32 pos = p->pos; - UInt32 cyclicBufferPos = p->cyclicBufferPos; - if (lenLimit >= p->hashNumAvail) - lenLimit = p->hashNumAvail; - { - UInt32 size2 = p->hashNumAvail - lenLimit + 1; - if (size2 < size) - size = size2; - size2 = p->cyclicBufferSize - cyclicBufferPos; - if (size2 < size) - size = size2; - } - #ifndef MFMT_GM_INLINE - while (curPos < limit && size-- != 0) - { - UInt32 *startDistances = distances + curPos; - UInt32 num = (UInt32)(GetMatchesSpec1(lenLimit, pos - p->hashBuf[p->hashBufPos++], - pos, p->buffer, p->son, cyclicBufferPos, p->cyclicBufferSize, p->cutValue, - startDistances + 1, p->numHashBytes - 1) - startDistances); - *startDistances = num - 1; - curPos += num; - cyclicBufferPos++; - pos++; - p->buffer++; - } - #else - { - UInt32 posRes; - curPos = limit - GetMatchesSpecN(lenLimit, pos, p->buffer, p->son, cyclicBufferPos, p->cyclicBufferSize, p->cutValue, - distances + curPos, p->numHashBytes - 1, p->hashBuf + p->hashBufPos, (Int32)(limit - curPos) , size, &posRes); - p->hashBufPos += posRes - pos; - cyclicBufferPos += posRes - pos; - p->buffer += posRes - pos; - pos = posRes; - } - #endif - - numProcessed += pos - p->pos; - p->hashNumAvail -= pos - p->pos; - p->pos = pos; - if (cyclicBufferPos == p->cyclicBufferSize) - cyclicBufferPos = 0; - p->cyclicBufferPos = cyclicBufferPos; - } - } - distances[0] = curPos; -} - -void BtFillBlock(CMatchFinderMt *p, UInt32 globalBlockIndex) -{ - CMtSync *sync = &p->hashSync; - if (!sync->needStart) - { - CriticalSection_Enter(&sync->cs); - sync->csWasEntered = True; - } - - BtGetMatches(p, p->btBuf + (globalBlockIndex & kMtBtNumBlocksMask) * kMtBtBlockSize); - - if (p->pos > kMtMaxValForNormalize - kMtBtBlockSize) - { - UInt32 subValue = p->pos - p->cyclicBufferSize; - MatchFinder_Normalize3(subValue, p->son, p->cyclicBufferSize * 2); - p->pos -= subValue; - } - - if (!sync->needStart) - { - CriticalSection_Leave(&sync->cs); - sync->csWasEntered = False; - } -} - -void BtThreadFunc(CMatchFinderMt *mt) -{ - CMtSync *p = &mt->btSync; - for (;;) - { - UInt32 blockIndex = 0; - Event_Wait(&p->canStart); - Event_Set(&p->wasStarted); - for (;;) - { - if (p->exit) - return; - if (p->stopWriting) - { - p->numProcessedBlocks = blockIndex; - MtSync_StopWriting(&mt->hashSync); - Event_Set(&p->wasStopped); - break; - } - Semaphore_Wait(&p->freeSemaphore); - BtFillBlock(mt, blockIndex++); - Semaphore_Release1(&p->filledSemaphore); - } - } -} - -void MatchFinderMt_Construct(CMatchFinderMt *p) -{ - p->hashBuf = 0; - MtSync_Construct(&p->hashSync); - MtSync_Construct(&p->btSync); -} - -void MatchFinderMt_FreeMem(CMatchFinderMt *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->hashBuf); - p->hashBuf = 0; -} - -void MatchFinderMt_Destruct(CMatchFinderMt *p, ISzAlloc *alloc) -{ - MtSync_Destruct(&p->hashSync); - MtSync_Destruct(&p->btSync); - MatchFinderMt_FreeMem(p, alloc); -} - -#define kHashBufferSize (kMtHashBlockSize * kMtHashNumBlocks) -#define kBtBufferSize (kMtBtBlockSize * kMtBtNumBlocks) - -static THREAD_FUNC_RET_TYPE THREAD_FUNC_CALL_TYPE HashThreadFunc2(void *p) { HashThreadFunc((CMatchFinderMt *)p); return 0; } -static THREAD_FUNC_RET_TYPE THREAD_FUNC_CALL_TYPE BtThreadFunc2(void *p) -{ - Byte allocaDummy[0x180]; - allocaDummy[0] = 0; - allocaDummy[1] = allocaDummy[0]; - BtThreadFunc((CMatchFinderMt *)p); - return 0; -} - -SRes MatchFinderMt_Create(CMatchFinderMt *p, UInt32 historySize, UInt32 keepAddBufferBefore, - UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ISzAlloc *alloc) -{ - CMatchFinder *mf = p->MatchFinder; - p->historySize = historySize; - if (kMtBtBlockSize <= matchMaxLen * 4) - return SZ_ERROR_PARAM; - if (p->hashBuf == 0) - { - p->hashBuf = (UInt32 *)alloc->Alloc(alloc, (kHashBufferSize + kBtBufferSize) * sizeof(UInt32)); - if (p->hashBuf == 0) - return SZ_ERROR_MEM; - p->btBuf = p->hashBuf + kHashBufferSize; - } - keepAddBufferBefore += (kHashBufferSize + kBtBufferSize); - keepAddBufferAfter += kMtHashBlockSize; - if (!MatchFinder_Create(mf, historySize, keepAddBufferBefore, matchMaxLen, keepAddBufferAfter, alloc)) - return SZ_ERROR_MEM; - - RINOK(MtSync_Create(&p->hashSync, HashThreadFunc2, p, kMtHashNumBlocks)); - RINOK(MtSync_Create(&p->btSync, BtThreadFunc2, p, kMtBtNumBlocks)); - return SZ_OK; -} - -/* Call it after ReleaseStream / SetStream */ -void MatchFinderMt_Init(CMatchFinderMt *p) -{ - CMatchFinder *mf = p->MatchFinder; - p->btBufPos = p->btBufPosLimit = 0; - p->hashBufPos = p->hashBufPosLimit = 0; - MatchFinder_Init(mf); - p->pointerToCurPos = MatchFinder_GetPointerToCurrentPos(mf); - p->btNumAvailBytes = 0; - p->lzPos = p->historySize + 1; - - p->hash = mf->hash; - p->fixedHashSize = mf->fixedHashSize; - p->crc = mf->crc; - - p->son = mf->son; - p->matchMaxLen = mf->matchMaxLen; - p->numHashBytes = mf->numHashBytes; - p->pos = mf->pos; - p->buffer = mf->buffer; - p->cyclicBufferPos = mf->cyclicBufferPos; - p->cyclicBufferSize = mf->cyclicBufferSize; - p->cutValue = mf->cutValue; -} - -/* ReleaseStream is required to finish multithreading */ -void MatchFinderMt_ReleaseStream(CMatchFinderMt *p) -{ - MtSync_StopWriting(&p->btSync); - /* p->MatchFinder->ReleaseStream(); */ -} - -void MatchFinderMt_Normalize(CMatchFinderMt *p) -{ - MatchFinder_Normalize3(p->lzPos - p->historySize - 1, p->hash, p->fixedHashSize); - p->lzPos = p->historySize + 1; -} - -void MatchFinderMt_GetNextBlock_Bt(CMatchFinderMt *p) -{ - UInt32 blockIndex; - MtSync_GetNextBlock(&p->btSync); - blockIndex = ((p->btSync.numProcessedBlocks - 1) & kMtBtNumBlocksMask); - p->btBufPosLimit = p->btBufPos = blockIndex * kMtBtBlockSize; - p->btBufPosLimit += p->btBuf[p->btBufPos++]; - p->btNumAvailBytes = p->btBuf[p->btBufPos++]; - if (p->lzPos >= kMtMaxValForNormalize - kMtBtBlockSize) - MatchFinderMt_Normalize(p); -} - -const Byte * MatchFinderMt_GetPointerToCurrentPos(CMatchFinderMt *p) -{ - return p->pointerToCurPos; -} - -#define GET_NEXT_BLOCK_IF_REQUIRED if (p->btBufPos == p->btBufPosLimit) MatchFinderMt_GetNextBlock_Bt(p); - -UInt32 MatchFinderMt_GetNumAvailableBytes(CMatchFinderMt *p) -{ - GET_NEXT_BLOCK_IF_REQUIRED; - return p->btNumAvailBytes; -} - -Byte MatchFinderMt_GetIndexByte(CMatchFinderMt *p, Int32 index) -{ - return p->pointerToCurPos[index]; -} - -UInt32 * MixMatches2(CMatchFinderMt *p, UInt32 matchMinPos, UInt32 *distances) -{ - UInt32 hash2Value, curMatch2; - UInt32 *hash = p->hash; - const Byte *cur = p->pointerToCurPos; - UInt32 lzPos = p->lzPos; - MT_HASH2_CALC - - curMatch2 = hash[hash2Value]; - hash[hash2Value] = lzPos; - - if (curMatch2 >= matchMinPos) - if (cur[(ptrdiff_t)curMatch2 - lzPos] == cur[0]) - { - *distances++ = 2; - *distances++ = lzPos - curMatch2 - 1; - } - return distances; -} - -UInt32 * MixMatches3(CMatchFinderMt *p, UInt32 matchMinPos, UInt32 *distances) -{ - UInt32 hash2Value, hash3Value, curMatch2, curMatch3; - UInt32 *hash = p->hash; - const Byte *cur = p->pointerToCurPos; - UInt32 lzPos = p->lzPos; - MT_HASH3_CALC - - curMatch2 = hash[ hash2Value]; - curMatch3 = hash[kFix3HashSize + hash3Value]; - - hash[ hash2Value] = - hash[kFix3HashSize + hash3Value] = - lzPos; - - if (curMatch2 >= matchMinPos && cur[(ptrdiff_t)curMatch2 - lzPos] == cur[0]) - { - distances[1] = lzPos - curMatch2 - 1; - if (cur[(ptrdiff_t)curMatch2 - lzPos + 2] == cur[2]) - { - distances[0] = 3; - return distances + 2; - } - distances[0] = 2; - distances += 2; - } - if (curMatch3 >= matchMinPos && cur[(ptrdiff_t)curMatch3 - lzPos] == cur[0]) - { - *distances++ = 3; - *distances++ = lzPos - curMatch3 - 1; - } - return distances; -} - -/* -UInt32 *MixMatches4(CMatchFinderMt *p, UInt32 matchMinPos, UInt32 *distances) -{ - UInt32 hash2Value, hash3Value, hash4Value, curMatch2, curMatch3, curMatch4; - UInt32 *hash = p->hash; - const Byte *cur = p->pointerToCurPos; - UInt32 lzPos = p->lzPos; - MT_HASH4_CALC - - curMatch2 = hash[ hash2Value]; - curMatch3 = hash[kFix3HashSize + hash3Value]; - curMatch4 = hash[kFix4HashSize + hash4Value]; - - hash[ hash2Value] = - hash[kFix3HashSize + hash3Value] = - hash[kFix4HashSize + hash4Value] = - lzPos; - - if (curMatch2 >= matchMinPos && cur[(ptrdiff_t)curMatch2 - lzPos] == cur[0]) - { - distances[1] = lzPos - curMatch2 - 1; - if (cur[(ptrdiff_t)curMatch2 - lzPos + 2] == cur[2]) - { - distances[0] = (cur[(ptrdiff_t)curMatch2 - lzPos + 3] == cur[3]) ? 4 : 3; - return distances + 2; - } - distances[0] = 2; - distances += 2; - } - if (curMatch3 >= matchMinPos && cur[(ptrdiff_t)curMatch3 - lzPos] == cur[0]) - { - distances[1] = lzPos - curMatch3 - 1; - if (cur[(ptrdiff_t)curMatch3 - lzPos + 3] == cur[3]) - { - distances[0] = 4; - return distances + 2; - } - distances[0] = 3; - distances += 2; - } - - if (curMatch4 >= matchMinPos) - if ( - cur[(ptrdiff_t)curMatch4 - lzPos] == cur[0] && - cur[(ptrdiff_t)curMatch4 - lzPos + 3] == cur[3] - ) - { - *distances++ = 4; - *distances++ = lzPos - curMatch4 - 1; - } - return distances; -} -*/ - -#define INCREASE_LZ_POS p->lzPos++; p->pointerToCurPos++; - -UInt32 MatchFinderMt2_GetMatches(CMatchFinderMt *p, UInt32 *distances) -{ - const UInt32 *btBuf = p->btBuf + p->btBufPos; - UInt32 len = *btBuf++; - p->btBufPos += 1 + len; - p->btNumAvailBytes--; - { - UInt32 i; - for (i = 0; i < len; i += 2) - { - *distances++ = *btBuf++; - *distances++ = *btBuf++; - } - } - INCREASE_LZ_POS - return len; -} - -UInt32 MatchFinderMt_GetMatches(CMatchFinderMt *p, UInt32 *distances) -{ - const UInt32 *btBuf = p->btBuf + p->btBufPos; - UInt32 len = *btBuf++; - p->btBufPos += 1 + len; - - if (len == 0) - { - if (p->btNumAvailBytes-- >= 4) - len = (UInt32)(p->MixMatchesFunc(p, p->lzPos - p->historySize, distances) - (distances)); - } - else - { - /* Condition: there are matches in btBuf with length < p->numHashBytes */ - UInt32 *distances2; - p->btNumAvailBytes--; - distances2 = p->MixMatchesFunc(p, p->lzPos - btBuf[1], distances); - do - { - *distances2++ = *btBuf++; - *distances2++ = *btBuf++; - } - while ((len -= 2) != 0); - len = (UInt32)(distances2 - (distances)); - } - INCREASE_LZ_POS - return len; -} - -#define SKIP_HEADER2_MT do { GET_NEXT_BLOCK_IF_REQUIRED -#define SKIP_HEADER_MT(n) SKIP_HEADER2_MT if (p->btNumAvailBytes-- >= (n)) { const Byte *cur = p->pointerToCurPos; UInt32 *hash = p->hash; -#define SKIP_FOOTER_MT } INCREASE_LZ_POS p->btBufPos += p->btBuf[p->btBufPos] + 1; } while (--num != 0); - -void MatchFinderMt0_Skip(CMatchFinderMt *p, UInt32 num) -{ - SKIP_HEADER2_MT { p->btNumAvailBytes--; - SKIP_FOOTER_MT -} - -void MatchFinderMt2_Skip(CMatchFinderMt *p, UInt32 num) -{ - SKIP_HEADER_MT(2) - UInt32 hash2Value; - MT_HASH2_CALC - hash[hash2Value] = p->lzPos; - SKIP_FOOTER_MT -} - -void MatchFinderMt3_Skip(CMatchFinderMt *p, UInt32 num) -{ - SKIP_HEADER_MT(3) - UInt32 hash2Value, hash3Value; - MT_HASH3_CALC - hash[kFix3HashSize + hash3Value] = - hash[ hash2Value] = - p->lzPos; - SKIP_FOOTER_MT -} - -/* -void MatchFinderMt4_Skip(CMatchFinderMt *p, UInt32 num) -{ - SKIP_HEADER_MT(4) - UInt32 hash2Value, hash3Value, hash4Value; - MT_HASH4_CALC - hash[kFix4HashSize + hash4Value] = - hash[kFix3HashSize + hash3Value] = - hash[ hash2Value] = - p->lzPos; - SKIP_FOOTER_MT -} -*/ - -void MatchFinderMt_CreateVTable(CMatchFinderMt *p, IMatchFinder *vTable) -{ - vTable->Init = (Mf_Init_Func)MatchFinderMt_Init; - vTable->GetIndexByte = (Mf_GetIndexByte_Func)MatchFinderMt_GetIndexByte; - vTable->GetNumAvailableBytes = (Mf_GetNumAvailableBytes_Func)MatchFinderMt_GetNumAvailableBytes; - vTable->GetPointerToCurrentPos = (Mf_GetPointerToCurrentPos_Func)MatchFinderMt_GetPointerToCurrentPos; - vTable->GetMatches = (Mf_GetMatches_Func)MatchFinderMt_GetMatches; - switch(p->MatchFinder->numHashBytes) - { - case 2: - p->GetHeadsFunc = GetHeads2; - p->MixMatchesFunc = (Mf_Mix_Matches)0; - vTable->Skip = (Mf_Skip_Func)MatchFinderMt0_Skip; - vTable->GetMatches = (Mf_GetMatches_Func)MatchFinderMt2_GetMatches; - break; - case 3: - p->GetHeadsFunc = GetHeads3; - p->MixMatchesFunc = (Mf_Mix_Matches)MixMatches2; - vTable->Skip = (Mf_Skip_Func)MatchFinderMt2_Skip; - break; - default: - /* case 4: */ - p->GetHeadsFunc = p->MatchFinder->bigHash ? GetHeads4b : GetHeads4; - /* p->GetHeadsFunc = GetHeads4; */ - p->MixMatchesFunc = (Mf_Mix_Matches)MixMatches3; - vTable->Skip = (Mf_Skip_Func)MatchFinderMt3_Skip; - break; - /* - default: - p->GetHeadsFunc = GetHeads5; - p->MixMatchesFunc = (Mf_Mix_Matches)MixMatches4; - vTable->Skip = (Mf_Skip_Func)MatchFinderMt4_Skip; - break; - */ - } -} diff --git a/src/libs/7zip/win/C/LzFindMt.h b/src/libs/7zip/win/C/LzFindMt.h deleted file mode 100644 index 65cc12783..000000000 --- a/src/libs/7zip/win/C/LzFindMt.h +++ /dev/null @@ -1,101 +0,0 @@ -/* LzFindMt.h -- multithreaded Match finder for LZ algorithms -2013-01-18 : Igor Pavlov : Public domain */ - -#ifndef __LZ_FIND_MT_H -#define __LZ_FIND_MT_H - -#include "LzFind.h" -#include "Threads.h" - -EXTERN_C_BEGIN - -#define kMtHashBlockSize (1 << 13) -#define kMtHashNumBlocks (1 << 3) -#define kMtHashNumBlocksMask (kMtHashNumBlocks - 1) - -#define kMtBtBlockSize (1 << 14) -#define kMtBtNumBlocks (1 << 6) -#define kMtBtNumBlocksMask (kMtBtNumBlocks - 1) - -typedef struct _CMtSync -{ - Bool wasCreated; - Bool needStart; - Bool exit; - Bool stopWriting; - - CThread thread; - CAutoResetEvent canStart; - CAutoResetEvent wasStarted; - CAutoResetEvent wasStopped; - CSemaphore freeSemaphore; - CSemaphore filledSemaphore; - Bool csWasInitialized; - Bool csWasEntered; - CCriticalSection cs; - UInt32 numProcessedBlocks; -} CMtSync; - -typedef UInt32 * (*Mf_Mix_Matches)(void *p, UInt32 matchMinPos, UInt32 *distances); - -/* kMtCacheLineDummy must be >= size_of_CPU_cache_line */ -#define kMtCacheLineDummy 128 - -typedef void (*Mf_GetHeads)(const Byte *buffer, UInt32 pos, - UInt32 *hash, UInt32 hashMask, UInt32 *heads, UInt32 numHeads, const UInt32 *crc); - -typedef struct _CMatchFinderMt -{ - /* LZ */ - const Byte *pointerToCurPos; - UInt32 *btBuf; - UInt32 btBufPos; - UInt32 btBufPosLimit; - UInt32 lzPos; - UInt32 btNumAvailBytes; - - UInt32 *hash; - UInt32 fixedHashSize; - UInt32 historySize; - const UInt32 *crc; - - Mf_Mix_Matches MixMatchesFunc; - - /* LZ + BT */ - CMtSync btSync; - Byte btDummy[kMtCacheLineDummy]; - - /* BT */ - UInt32 *hashBuf; - UInt32 hashBufPos; - UInt32 hashBufPosLimit; - UInt32 hashNumAvail; - - CLzRef *son; - UInt32 matchMaxLen; - UInt32 numHashBytes; - UInt32 pos; - Byte *buffer; - UInt32 cyclicBufferPos; - UInt32 cyclicBufferSize; /* it must be historySize + 1 */ - UInt32 cutValue; - - /* BT + Hash */ - CMtSync hashSync; - /* Byte hashDummy[kMtCacheLineDummy]; */ - - /* Hash */ - Mf_GetHeads GetHeadsFunc; - CMatchFinder *MatchFinder; -} CMatchFinderMt; - -void MatchFinderMt_Construct(CMatchFinderMt *p); -void MatchFinderMt_Destruct(CMatchFinderMt *p, ISzAlloc *alloc); -SRes MatchFinderMt_Create(CMatchFinderMt *p, UInt32 historySize, UInt32 keepAddBufferBefore, - UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ISzAlloc *alloc); -void MatchFinderMt_CreateVTable(CMatchFinderMt *p, IMatchFinder *vTable); -void MatchFinderMt_ReleaseStream(CMatchFinderMt *p); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/LzHash.h b/src/libs/7zip/win/C/LzHash.h deleted file mode 100644 index f3e89966c..000000000 --- a/src/libs/7zip/win/C/LzHash.h +++ /dev/null @@ -1,54 +0,0 @@ -/* LzHash.h -- HASH functions for LZ algorithms -2009-02-07 : Igor Pavlov : Public domain */ - -#ifndef __LZ_HASH_H -#define __LZ_HASH_H - -#define kHash2Size (1 << 10) -#define kHash3Size (1 << 16) -#define kHash4Size (1 << 20) - -#define kFix3HashSize (kHash2Size) -#define kFix4HashSize (kHash2Size + kHash3Size) -#define kFix5HashSize (kHash2Size + kHash3Size + kHash4Size) - -#define HASH2_CALC hashValue = cur[0] | ((UInt32)cur[1] << 8); - -#define HASH3_CALC { \ - UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ - hash2Value = temp & (kHash2Size - 1); \ - hashValue = (temp ^ ((UInt32)cur[2] << 8)) & p->hashMask; } - -#define HASH4_CALC { \ - UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ - hash2Value = temp & (kHash2Size - 1); \ - hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \ - hashValue = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)) & p->hashMask; } - -#define HASH5_CALC { \ - UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ - hash2Value = temp & (kHash2Size - 1); \ - hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \ - hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)); \ - hashValue = (hash4Value ^ (p->crc[cur[4]] << 3)) & p->hashMask; \ - hash4Value &= (kHash4Size - 1); } - -/* #define HASH_ZIP_CALC hashValue = ((cur[0] | ((UInt32)cur[1] << 8)) ^ p->crc[cur[2]]) & 0xFFFF; */ -#define HASH_ZIP_CALC hashValue = ((cur[2] | ((UInt32)cur[0] << 8)) ^ p->crc[cur[1]]) & 0xFFFF; - - -#define MT_HASH2_CALC \ - hash2Value = (p->crc[cur[0]] ^ cur[1]) & (kHash2Size - 1); - -#define MT_HASH3_CALC { \ - UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ - hash2Value = temp & (kHash2Size - 1); \ - hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); } - -#define MT_HASH4_CALC { \ - UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ - hash2Value = temp & (kHash2Size - 1); \ - hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \ - hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)) & (kHash4Size - 1); } - -#endif diff --git a/src/libs/7zip/win/C/Lzma2Dec.c b/src/libs/7zip/win/C/Lzma2Dec.c deleted file mode 100644 index e7dcc2725..000000000 --- a/src/libs/7zip/win/C/Lzma2Dec.c +++ /dev/null @@ -1,352 +0,0 @@ -/* Lzma2Dec.c -- LZMA2 Decoder -2010-12-15 : Igor Pavlov : Public domain */ - -/* #define SHOW_DEBUG_INFO */ - -#include "Precomp.h" - -#ifdef SHOW_DEBUG_INFO -#include <stdio.h> -#endif - -#include <string.h> - -#include "Lzma2Dec.h" - -/* -00000000 - EOS -00000001 U U - Uncompressed Reset Dic -00000010 U U - Uncompressed No Reset -100uuuuu U U P P - LZMA no reset -101uuuuu U U P P - LZMA reset state -110uuuuu U U P P S - LZMA reset state + new prop -111uuuuu U U P P S - LZMA reset state + new prop + reset dic - - u, U - Unpack Size - P - Pack Size - S - Props -*/ - -#define LZMA2_CONTROL_LZMA (1 << 7) -#define LZMA2_CONTROL_COPY_NO_RESET 2 -#define LZMA2_CONTROL_COPY_RESET_DIC 1 -#define LZMA2_CONTROL_EOF 0 - -#define LZMA2_IS_UNCOMPRESSED_STATE(p) (((p)->control & LZMA2_CONTROL_LZMA) == 0) - -#define LZMA2_GET_LZMA_MODE(p) (((p)->control >> 5) & 3) -#define LZMA2_IS_THERE_PROP(mode) ((mode) >= 2) - -#define LZMA2_LCLP_MAX 4 -#define LZMA2_DIC_SIZE_FROM_PROP(p) (((UInt32)2 | ((p) & 1)) << ((p) / 2 + 11)) - -#ifdef SHOW_DEBUG_INFO -#define PRF(x) x -#else -#define PRF(x) -#endif - -typedef enum -{ - LZMA2_STATE_CONTROL, - LZMA2_STATE_UNPACK0, - LZMA2_STATE_UNPACK1, - LZMA2_STATE_PACK0, - LZMA2_STATE_PACK1, - LZMA2_STATE_PROP, - LZMA2_STATE_DATA, - LZMA2_STATE_DATA_CONT, - LZMA2_STATE_FINISHED, - LZMA2_STATE_ERROR -} ELzma2State; - -static SRes Lzma2Dec_GetOldProps(Byte prop, Byte *props) -{ - UInt32 dicSize; - if (prop > 40) - return SZ_ERROR_UNSUPPORTED; - dicSize = (prop == 40) ? 0xFFFFFFFF : LZMA2_DIC_SIZE_FROM_PROP(prop); - props[0] = (Byte)LZMA2_LCLP_MAX; - props[1] = (Byte)(dicSize); - props[2] = (Byte)(dicSize >> 8); - props[3] = (Byte)(dicSize >> 16); - props[4] = (Byte)(dicSize >> 24); - return SZ_OK; -} - -SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAlloc *alloc) -{ - Byte props[LZMA_PROPS_SIZE]; - RINOK(Lzma2Dec_GetOldProps(prop, props)); - return LzmaDec_AllocateProbs(&p->decoder, props, LZMA_PROPS_SIZE, alloc); -} - -SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAlloc *alloc) -{ - Byte props[LZMA_PROPS_SIZE]; - RINOK(Lzma2Dec_GetOldProps(prop, props)); - return LzmaDec_Allocate(&p->decoder, props, LZMA_PROPS_SIZE, alloc); -} - -void Lzma2Dec_Init(CLzma2Dec *p) -{ - p->state = LZMA2_STATE_CONTROL; - p->needInitDic = True; - p->needInitState = True; - p->needInitProp = True; - LzmaDec_Init(&p->decoder); -} - -static ELzma2State Lzma2Dec_UpdateState(CLzma2Dec *p, Byte b) -{ - switch(p->state) - { - case LZMA2_STATE_CONTROL: - p->control = b; - PRF(printf("\n %4X ", p->decoder.dicPos)); - PRF(printf(" %2X", b)); - if (p->control == 0) - return LZMA2_STATE_FINISHED; - if (LZMA2_IS_UNCOMPRESSED_STATE(p)) - { - if ((p->control & 0x7F) > 2) - return LZMA2_STATE_ERROR; - p->unpackSize = 0; - } - else - p->unpackSize = (UInt32)(p->control & 0x1F) << 16; - return LZMA2_STATE_UNPACK0; - - case LZMA2_STATE_UNPACK0: - p->unpackSize |= (UInt32)b << 8; - return LZMA2_STATE_UNPACK1; - - case LZMA2_STATE_UNPACK1: - p->unpackSize |= (UInt32)b; - p->unpackSize++; - PRF(printf(" %8d", p->unpackSize)); - return (LZMA2_IS_UNCOMPRESSED_STATE(p)) ? LZMA2_STATE_DATA : LZMA2_STATE_PACK0; - - case LZMA2_STATE_PACK0: - p->packSize = (UInt32)b << 8; - return LZMA2_STATE_PACK1; - - case LZMA2_STATE_PACK1: - p->packSize |= (UInt32)b; - p->packSize++; - PRF(printf(" %8d", p->packSize)); - return LZMA2_IS_THERE_PROP(LZMA2_GET_LZMA_MODE(p)) ? LZMA2_STATE_PROP: - (p->needInitProp ? LZMA2_STATE_ERROR : LZMA2_STATE_DATA); - - case LZMA2_STATE_PROP: - { - int lc, lp; - if (b >= (9 * 5 * 5)) - return LZMA2_STATE_ERROR; - lc = b % 9; - b /= 9; - p->decoder.prop.pb = b / 5; - lp = b % 5; - if (lc + lp > LZMA2_LCLP_MAX) - return LZMA2_STATE_ERROR; - p->decoder.prop.lc = lc; - p->decoder.prop.lp = lp; - p->needInitProp = False; - return LZMA2_STATE_DATA; - } - } - return LZMA2_STATE_ERROR; -} - -static void LzmaDec_UpdateWithUncompressed(CLzmaDec *p, const Byte *src, SizeT size) -{ - memcpy(p->dic + p->dicPos, src, size); - p->dicPos += size; - if (p->checkDicSize == 0 && p->prop.dicSize - p->processedPos <= size) - p->checkDicSize = p->prop.dicSize; - p->processedPos += (UInt32)size; -} - -void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState); - -SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit, - const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status) -{ - SizeT inSize = *srcLen; - *srcLen = 0; - *status = LZMA_STATUS_NOT_SPECIFIED; - - while (p->state != LZMA2_STATE_FINISHED) - { - SizeT dicPos = p->decoder.dicPos; - if (p->state == LZMA2_STATE_ERROR) - return SZ_ERROR_DATA; - if (dicPos == dicLimit && finishMode == LZMA_FINISH_ANY) - { - *status = LZMA_STATUS_NOT_FINISHED; - return SZ_OK; - } - if (p->state != LZMA2_STATE_DATA && p->state != LZMA2_STATE_DATA_CONT) - { - if (*srcLen == inSize) - { - *status = LZMA_STATUS_NEEDS_MORE_INPUT; - return SZ_OK; - } - (*srcLen)++; - p->state = Lzma2Dec_UpdateState(p, *src++); - continue; - } - { - SizeT destSizeCur = dicLimit - dicPos; - SizeT srcSizeCur = inSize - *srcLen; - ELzmaFinishMode curFinishMode = LZMA_FINISH_ANY; - - if (p->unpackSize <= destSizeCur) - { - destSizeCur = (SizeT)p->unpackSize; - curFinishMode = LZMA_FINISH_END; - } - - if (LZMA2_IS_UNCOMPRESSED_STATE(p)) - { - if (*srcLen == inSize) - { - *status = LZMA_STATUS_NEEDS_MORE_INPUT; - return SZ_OK; - } - - if (p->state == LZMA2_STATE_DATA) - { - Bool initDic = (p->control == LZMA2_CONTROL_COPY_RESET_DIC); - if (initDic) - p->needInitProp = p->needInitState = True; - else if (p->needInitDic) - return SZ_ERROR_DATA; - p->needInitDic = False; - LzmaDec_InitDicAndState(&p->decoder, initDic, False); - } - - if (srcSizeCur > destSizeCur) - srcSizeCur = destSizeCur; - - if (srcSizeCur == 0) - return SZ_ERROR_DATA; - - LzmaDec_UpdateWithUncompressed(&p->decoder, src, srcSizeCur); - - src += srcSizeCur; - *srcLen += srcSizeCur; - p->unpackSize -= (UInt32)srcSizeCur; - p->state = (p->unpackSize == 0) ? LZMA2_STATE_CONTROL : LZMA2_STATE_DATA_CONT; - } - else - { - SizeT outSizeProcessed; - SRes res; - - if (p->state == LZMA2_STATE_DATA) - { - int mode = LZMA2_GET_LZMA_MODE(p); - Bool initDic = (mode == 3); - Bool initState = (mode > 0); - if ((!initDic && p->needInitDic) || (!initState && p->needInitState)) - return SZ_ERROR_DATA; - - LzmaDec_InitDicAndState(&p->decoder, initDic, initState); - p->needInitDic = False; - p->needInitState = False; - p->state = LZMA2_STATE_DATA_CONT; - } - if (srcSizeCur > p->packSize) - srcSizeCur = (SizeT)p->packSize; - - res = LzmaDec_DecodeToDic(&p->decoder, dicPos + destSizeCur, src, &srcSizeCur, curFinishMode, status); - - src += srcSizeCur; - *srcLen += srcSizeCur; - p->packSize -= (UInt32)srcSizeCur; - - outSizeProcessed = p->decoder.dicPos - dicPos; - p->unpackSize -= (UInt32)outSizeProcessed; - - RINOK(res); - if (*status == LZMA_STATUS_NEEDS_MORE_INPUT) - return res; - - if (srcSizeCur == 0 && outSizeProcessed == 0) - { - if (*status != LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK || - p->unpackSize != 0 || p->packSize != 0) - return SZ_ERROR_DATA; - p->state = LZMA2_STATE_CONTROL; - } - if (*status == LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK) - *status = LZMA_STATUS_NOT_FINISHED; - } - } - } - *status = LZMA_STATUS_FINISHED_WITH_MARK; - return SZ_OK; -} - -SRes Lzma2Dec_DecodeToBuf(CLzma2Dec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status) -{ - SizeT outSize = *destLen, inSize = *srcLen; - *srcLen = *destLen = 0; - for (;;) - { - SizeT srcSizeCur = inSize, outSizeCur, dicPos; - ELzmaFinishMode curFinishMode; - SRes res; - if (p->decoder.dicPos == p->decoder.dicBufSize) - p->decoder.dicPos = 0; - dicPos = p->decoder.dicPos; - if (outSize > p->decoder.dicBufSize - dicPos) - { - outSizeCur = p->decoder.dicBufSize; - curFinishMode = LZMA_FINISH_ANY; - } - else - { - outSizeCur = dicPos + outSize; - curFinishMode = finishMode; - } - - res = Lzma2Dec_DecodeToDic(p, outSizeCur, src, &srcSizeCur, curFinishMode, status); - src += srcSizeCur; - inSize -= srcSizeCur; - *srcLen += srcSizeCur; - outSizeCur = p->decoder.dicPos - dicPos; - memcpy(dest, p->decoder.dic + dicPos, outSizeCur); - dest += outSizeCur; - outSize -= outSizeCur; - *destLen += outSizeCur; - if (res != 0) - return res; - if (outSizeCur == 0 || outSize == 0) - return SZ_OK; - } -} - -SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, - Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAlloc *alloc) -{ - CLzma2Dec p; - SRes res; - SizeT outSize = *destLen, inSize = *srcLen; - *destLen = *srcLen = 0; - *status = LZMA_STATUS_NOT_SPECIFIED; - Lzma2Dec_Construct(&p); - RINOK(Lzma2Dec_AllocateProbs(&p, prop, alloc)); - p.decoder.dic = dest; - p.decoder.dicBufSize = outSize; - Lzma2Dec_Init(&p); - *srcLen = inSize; - res = Lzma2Dec_DecodeToDic(&p, outSize, src, srcLen, finishMode, status); - *destLen = p.decoder.dicPos; - if (res == SZ_OK && *status == LZMA_STATUS_NEEDS_MORE_INPUT) - res = SZ_ERROR_INPUT_EOF; - Lzma2Dec_FreeProbs(&p, alloc); - return res; -} diff --git a/src/libs/7zip/win/C/Lzma2Dec.h b/src/libs/7zip/win/C/Lzma2Dec.h deleted file mode 100644 index 367daf6b3..000000000 --- a/src/libs/7zip/win/C/Lzma2Dec.h +++ /dev/null @@ -1,80 +0,0 @@ -/* Lzma2Dec.h -- LZMA2 Decoder -2013-01-18 : Igor Pavlov : Public domain */ - -#ifndef __LZMA2_DEC_H -#define __LZMA2_DEC_H - -#include "LzmaDec.h" - -EXTERN_C_BEGIN - -/* ---------- State Interface ---------- */ - -typedef struct -{ - CLzmaDec decoder; - UInt32 packSize; - UInt32 unpackSize; - int state; - Byte control; - Bool needInitDic; - Bool needInitState; - Bool needInitProp; -} CLzma2Dec; - -#define Lzma2Dec_Construct(p) LzmaDec_Construct(&(p)->decoder) -#define Lzma2Dec_FreeProbs(p, alloc) LzmaDec_FreeProbs(&(p)->decoder, alloc); -#define Lzma2Dec_Free(p, alloc) LzmaDec_Free(&(p)->decoder, alloc); - -SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAlloc *alloc); -SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAlloc *alloc); -void Lzma2Dec_Init(CLzma2Dec *p); - - -/* -finishMode: - It has meaning only if the decoding reaches output limit (*destLen or dicLimit). - LZMA_FINISH_ANY - use smallest number of input bytes - LZMA_FINISH_END - read EndOfStream marker after decoding - -Returns: - SZ_OK - status: - LZMA_STATUS_FINISHED_WITH_MARK - LZMA_STATUS_NOT_FINISHED - LZMA_STATUS_NEEDS_MORE_INPUT - SZ_ERROR_DATA - Data error -*/ - -SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit, - const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); - -SRes Lzma2Dec_DecodeToBuf(CLzma2Dec *p, Byte *dest, SizeT *destLen, - const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); - - -/* ---------- One Call Interface ---------- */ - -/* -finishMode: - It has meaning only if the decoding reaches output limit (*destLen). - LZMA_FINISH_ANY - use smallest number of input bytes - LZMA_FINISH_END - read EndOfStream marker after decoding - -Returns: - SZ_OK - status: - LZMA_STATUS_FINISHED_WITH_MARK - LZMA_STATUS_NOT_FINISHED - SZ_ERROR_DATA - Data error - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_UNSUPPORTED - Unsupported properties - SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src). -*/ - -SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, - Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAlloc *alloc); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/Lzma2Enc.c b/src/libs/7zip/win/C/Lzma2Enc.c deleted file mode 100644 index 5d67cc344..000000000 --- a/src/libs/7zip/win/C/Lzma2Enc.c +++ /dev/null @@ -1,493 +0,0 @@ -/* Lzma2Enc.c -- LZMA2 Encoder -2012-06-19 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -/* #include <stdio.h> */ -#include <string.h> - -/* #define _7ZIP_ST */ - -#include "Lzma2Enc.h" - -#ifndef _7ZIP_ST -#include "MtCoder.h" -#else -#define NUM_MT_CODER_THREADS_MAX 1 -#endif - -#define LZMA2_CONTROL_LZMA (1 << 7) -#define LZMA2_CONTROL_COPY_NO_RESET 2 -#define LZMA2_CONTROL_COPY_RESET_DIC 1 -#define LZMA2_CONTROL_EOF 0 - -#define LZMA2_LCLP_MAX 4 - -#define LZMA2_DIC_SIZE_FROM_PROP(p) (((UInt32)2 | ((p) & 1)) << ((p) / 2 + 11)) - -#define LZMA2_PACK_SIZE_MAX (1 << 16) -#define LZMA2_COPY_CHUNK_SIZE LZMA2_PACK_SIZE_MAX -#define LZMA2_UNPACK_SIZE_MAX (1 << 21) -#define LZMA2_KEEP_WINDOW_SIZE LZMA2_UNPACK_SIZE_MAX - -#define LZMA2_CHUNK_SIZE_COMPRESSED_MAX ((1 << 16) + 16) - - -#define PRF(x) /* x */ - -/* ---------- CLzma2EncInt ---------- */ - -typedef struct -{ - CLzmaEncHandle enc; - UInt64 srcPos; - Byte props; - Bool needInitState; - Bool needInitProp; -} CLzma2EncInt; - -static SRes Lzma2EncInt_Init(CLzma2EncInt *p, const CLzma2EncProps *props) -{ - Byte propsEncoded[LZMA_PROPS_SIZE]; - SizeT propsSize = LZMA_PROPS_SIZE; - RINOK(LzmaEnc_SetProps(p->enc, &props->lzmaProps)); - RINOK(LzmaEnc_WriteProperties(p->enc, propsEncoded, &propsSize)); - p->srcPos = 0; - p->props = propsEncoded[0]; - p->needInitState = True; - p->needInitProp = True; - return SZ_OK; -} - -SRes LzmaEnc_PrepareForLzma2(CLzmaEncHandle pp, ISeqInStream *inStream, UInt32 keepWindowSize, - ISzAlloc *alloc, ISzAlloc *allocBig); -SRes LzmaEnc_MemPrepare(CLzmaEncHandle pp, const Byte *src, SizeT srcLen, - UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig); -SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit, - Byte *dest, size_t *destLen, UInt32 desiredPackSize, UInt32 *unpackSize); -const Byte *LzmaEnc_GetCurBuf(CLzmaEncHandle pp); -void LzmaEnc_Finish(CLzmaEncHandle pp); -void LzmaEnc_SaveState(CLzmaEncHandle pp); -void LzmaEnc_RestoreState(CLzmaEncHandle pp); - - -static SRes Lzma2EncInt_EncodeSubblock(CLzma2EncInt *p, Byte *outBuf, - size_t *packSizeRes, ISeqOutStream *outStream) -{ - size_t packSizeLimit = *packSizeRes; - size_t packSize = packSizeLimit; - UInt32 unpackSize = LZMA2_UNPACK_SIZE_MAX; - unsigned lzHeaderSize = 5 + (p->needInitProp ? 1 : 0); - Bool useCopyBlock; - SRes res; - - *packSizeRes = 0; - if (packSize < lzHeaderSize) - return SZ_ERROR_OUTPUT_EOF; - packSize -= lzHeaderSize; - - LzmaEnc_SaveState(p->enc); - res = LzmaEnc_CodeOneMemBlock(p->enc, p->needInitState, - outBuf + lzHeaderSize, &packSize, LZMA2_PACK_SIZE_MAX, &unpackSize); - - PRF(printf("\npackSize = %7d unpackSize = %7d ", packSize, unpackSize)); - - if (unpackSize == 0) - return res; - - if (res == SZ_OK) - useCopyBlock = (packSize + 2 >= unpackSize || packSize > (1 << 16)); - else - { - if (res != SZ_ERROR_OUTPUT_EOF) - return res; - res = SZ_OK; - useCopyBlock = True; - } - - if (useCopyBlock) - { - size_t destPos = 0; - PRF(printf("################# COPY ")); - while (unpackSize > 0) - { - UInt32 u = (unpackSize < LZMA2_COPY_CHUNK_SIZE) ? unpackSize : LZMA2_COPY_CHUNK_SIZE; - if (packSizeLimit - destPos < u + 3) - return SZ_ERROR_OUTPUT_EOF; - outBuf[destPos++] = (Byte)(p->srcPos == 0 ? LZMA2_CONTROL_COPY_RESET_DIC : LZMA2_CONTROL_COPY_NO_RESET); - outBuf[destPos++] = (Byte)((u - 1) >> 8); - outBuf[destPos++] = (Byte)(u - 1); - memcpy(outBuf + destPos, LzmaEnc_GetCurBuf(p->enc) - unpackSize, u); - unpackSize -= u; - destPos += u; - p->srcPos += u; - if (outStream) - { - *packSizeRes += destPos; - if (outStream->Write(outStream, outBuf, destPos) != destPos) - return SZ_ERROR_WRITE; - destPos = 0; - } - else - *packSizeRes = destPos; - /* needInitState = True; */ - } - LzmaEnc_RestoreState(p->enc); - return SZ_OK; - } - { - size_t destPos = 0; - UInt32 u = unpackSize - 1; - UInt32 pm = (UInt32)(packSize - 1); - unsigned mode = (p->srcPos == 0) ? 3 : (p->needInitState ? (p->needInitProp ? 2 : 1) : 0); - - PRF(printf(" ")); - - outBuf[destPos++] = (Byte)(LZMA2_CONTROL_LZMA | (mode << 5) | ((u >> 16) & 0x1F)); - outBuf[destPos++] = (Byte)(u >> 8); - outBuf[destPos++] = (Byte)u; - outBuf[destPos++] = (Byte)(pm >> 8); - outBuf[destPos++] = (Byte)pm; - - if (p->needInitProp) - outBuf[destPos++] = p->props; - - p->needInitProp = False; - p->needInitState = False; - destPos += packSize; - p->srcPos += unpackSize; - - if (outStream) - if (outStream->Write(outStream, outBuf, destPos) != destPos) - return SZ_ERROR_WRITE; - *packSizeRes = destPos; - return SZ_OK; - } -} - -/* ---------- Lzma2 Props ---------- */ - -void Lzma2EncProps_Init(CLzma2EncProps *p) -{ - LzmaEncProps_Init(&p->lzmaProps); - p->numTotalThreads = -1; - p->numBlockThreads = -1; - p->blockSize = 0; -} - -void Lzma2EncProps_Normalize(CLzma2EncProps *p) -{ - int t1, t1n, t2, t3; - { - CLzmaEncProps lzmaProps = p->lzmaProps; - LzmaEncProps_Normalize(&lzmaProps); - t1n = lzmaProps.numThreads; - } - - t1 = p->lzmaProps.numThreads; - t2 = p->numBlockThreads; - t3 = p->numTotalThreads; - - if (t2 > NUM_MT_CODER_THREADS_MAX) - t2 = NUM_MT_CODER_THREADS_MAX; - - if (t3 <= 0) - { - if (t2 <= 0) - t2 = 1; - t3 = t1n * t2; - } - else if (t2 <= 0) - { - t2 = t3 / t1n; - if (t2 == 0) - { - t1 = 1; - t2 = t3; - } - if (t2 > NUM_MT_CODER_THREADS_MAX) - t2 = NUM_MT_CODER_THREADS_MAX; - } - else if (t1 <= 0) - { - t1 = t3 / t2; - if (t1 == 0) - t1 = 1; - } - else - t3 = t1n * t2; - - p->lzmaProps.numThreads = t1; - - LzmaEncProps_Normalize(&p->lzmaProps); - - if (p->blockSize == 0) - { - UInt32 dictSize = p->lzmaProps.dictSize; - UInt64 blockSize = (UInt64)dictSize << 2; - const UInt32 kMinSize = (UInt32)1 << 20; - const UInt32 kMaxSize = (UInt32)1 << 28; - if (blockSize < kMinSize) blockSize = kMinSize; - if (blockSize > kMaxSize) blockSize = kMaxSize; - if (blockSize < dictSize) blockSize = dictSize; - p->blockSize = (size_t)blockSize; - } - if (t2 > 1) - { - UInt64 temp = p->lzmaProps.reduceSize + p->blockSize - 1; - if (temp > p->lzmaProps.reduceSize) - { - UInt64 numBlocks = temp / p->blockSize; - if (numBlocks < t2) - { - t2 = (UInt32)numBlocks; - t3 = t1 * t2; - } - } - } - p->numBlockThreads = t2; - p->numTotalThreads = t3; -} - -static SRes Progress(ICompressProgress *p, UInt64 inSize, UInt64 outSize) -{ - return (p && p->Progress(p, inSize, outSize) != SZ_OK) ? SZ_ERROR_PROGRESS : SZ_OK; -} - -/* ---------- Lzma2 ---------- */ - -typedef struct -{ - Byte propEncoded; - CLzma2EncProps props; - - Byte *outBuf; - - ISzAlloc *alloc; - ISzAlloc *allocBig; - - CLzma2EncInt coders[NUM_MT_CODER_THREADS_MAX]; - - #ifndef _7ZIP_ST - CMtCoder mtCoder; - #endif - -} CLzma2Enc; - - -/* ---------- Lzma2EncThread ---------- */ - -static SRes Lzma2Enc_EncodeMt1(CLzma2EncInt *p, CLzma2Enc *mainEncoder, - ISeqOutStream *outStream, ISeqInStream *inStream, ICompressProgress *progress) -{ - UInt64 packTotal = 0; - SRes res = SZ_OK; - - if (mainEncoder->outBuf == 0) - { - mainEncoder->outBuf = (Byte *)IAlloc_Alloc(mainEncoder->alloc, LZMA2_CHUNK_SIZE_COMPRESSED_MAX); - if (mainEncoder->outBuf == 0) - return SZ_ERROR_MEM; - } - RINOK(Lzma2EncInt_Init(p, &mainEncoder->props)); - RINOK(LzmaEnc_PrepareForLzma2(p->enc, inStream, LZMA2_KEEP_WINDOW_SIZE, - mainEncoder->alloc, mainEncoder->allocBig)); - for (;;) - { - size_t packSize = LZMA2_CHUNK_SIZE_COMPRESSED_MAX; - res = Lzma2EncInt_EncodeSubblock(p, mainEncoder->outBuf, &packSize, outStream); - if (res != SZ_OK) - break; - packTotal += packSize; - res = Progress(progress, p->srcPos, packTotal); - if (res != SZ_OK) - break; - if (packSize == 0) - break; - } - LzmaEnc_Finish(p->enc); - if (res == SZ_OK) - { - Byte b = 0; - if (outStream->Write(outStream, &b, 1) != 1) - return SZ_ERROR_WRITE; - } - return res; -} - -#ifndef _7ZIP_ST - -typedef struct -{ - IMtCoderCallback funcTable; - CLzma2Enc *lzma2Enc; -} CMtCallbackImp; - -static SRes MtCallbackImp_Code(void *pp, unsigned index, Byte *dest, size_t *destSize, - const Byte *src, size_t srcSize, int finished) -{ - CMtCallbackImp *imp = (CMtCallbackImp *)pp; - CLzma2Enc *mainEncoder = imp->lzma2Enc; - CLzma2EncInt *p = &mainEncoder->coders[index]; - - SRes res = SZ_OK; - { - size_t destLim = *destSize; - *destSize = 0; - - if (srcSize != 0) - { - RINOK(Lzma2EncInt_Init(p, &mainEncoder->props)); - - RINOK(LzmaEnc_MemPrepare(p->enc, src, srcSize, LZMA2_KEEP_WINDOW_SIZE, - mainEncoder->alloc, mainEncoder->allocBig)); - - while (p->srcPos < srcSize) - { - size_t packSize = destLim - *destSize; - res = Lzma2EncInt_EncodeSubblock(p, dest + *destSize, &packSize, NULL); - if (res != SZ_OK) - break; - *destSize += packSize; - - if (packSize == 0) - { - res = SZ_ERROR_FAIL; - break; - } - - if (MtProgress_Set(&mainEncoder->mtCoder.mtProgress, index, p->srcPos, *destSize) != SZ_OK) - { - res = SZ_ERROR_PROGRESS; - break; - } - } - LzmaEnc_Finish(p->enc); - if (res != SZ_OK) - return res; - } - if (finished) - { - if (*destSize == destLim) - return SZ_ERROR_OUTPUT_EOF; - dest[(*destSize)++] = 0; - } - } - return res; -} - -#endif - -/* ---------- Lzma2Enc ---------- */ - -CLzma2EncHandle Lzma2Enc_Create(ISzAlloc *alloc, ISzAlloc *allocBig) -{ - CLzma2Enc *p = (CLzma2Enc *)alloc->Alloc(alloc, sizeof(CLzma2Enc)); - if (p == 0) - return NULL; - Lzma2EncProps_Init(&p->props); - Lzma2EncProps_Normalize(&p->props); - p->outBuf = 0; - p->alloc = alloc; - p->allocBig = allocBig; - { - unsigned i; - for (i = 0; i < NUM_MT_CODER_THREADS_MAX; i++) - p->coders[i].enc = 0; - } - #ifndef _7ZIP_ST - MtCoder_Construct(&p->mtCoder); - #endif - - return p; -} - -void Lzma2Enc_Destroy(CLzma2EncHandle pp) -{ - CLzma2Enc *p = (CLzma2Enc *)pp; - unsigned i; - for (i = 0; i < NUM_MT_CODER_THREADS_MAX; i++) - { - CLzma2EncInt *t = &p->coders[i]; - if (t->enc) - { - LzmaEnc_Destroy(t->enc, p->alloc, p->allocBig); - t->enc = 0; - } - } - - #ifndef _7ZIP_ST - MtCoder_Destruct(&p->mtCoder); - #endif - - IAlloc_Free(p->alloc, p->outBuf); - IAlloc_Free(p->alloc, pp); -} - -SRes Lzma2Enc_SetProps(CLzma2EncHandle pp, const CLzma2EncProps *props) -{ - CLzma2Enc *p = (CLzma2Enc *)pp; - CLzmaEncProps lzmaProps = props->lzmaProps; - LzmaEncProps_Normalize(&lzmaProps); - if (lzmaProps.lc + lzmaProps.lp > LZMA2_LCLP_MAX) - return SZ_ERROR_PARAM; - p->props = *props; - Lzma2EncProps_Normalize(&p->props); - return SZ_OK; -} - -Byte Lzma2Enc_WriteProperties(CLzma2EncHandle pp) -{ - CLzma2Enc *p = (CLzma2Enc *)pp; - unsigned i; - UInt32 dicSize = LzmaEncProps_GetDictSize(&p->props.lzmaProps); - for (i = 0; i < 40; i++) - if (dicSize <= LZMA2_DIC_SIZE_FROM_PROP(i)) - break; - return (Byte)i; -} - -SRes Lzma2Enc_Encode(CLzma2EncHandle pp, - ISeqOutStream *outStream, ISeqInStream *inStream, ICompressProgress *progress) -{ - CLzma2Enc *p = (CLzma2Enc *)pp; - int i; - - for (i = 0; i < p->props.numBlockThreads; i++) - { - CLzma2EncInt *t = &p->coders[i]; - if (t->enc == NULL) - { - t->enc = LzmaEnc_Create(p->alloc); - if (t->enc == NULL) - return SZ_ERROR_MEM; - } - } - - #ifndef _7ZIP_ST - if (p->props.numBlockThreads <= 1) - #endif - return Lzma2Enc_EncodeMt1(&p->coders[0], p, outStream, inStream, progress); - - #ifndef _7ZIP_ST - - { - CMtCallbackImp mtCallback; - - mtCallback.funcTable.Code = MtCallbackImp_Code; - mtCallback.lzma2Enc = p; - - p->mtCoder.progress = progress; - p->mtCoder.inStream = inStream; - p->mtCoder.outStream = outStream; - p->mtCoder.alloc = p->alloc; - p->mtCoder.mtCallback = &mtCallback.funcTable; - - p->mtCoder.blockSize = p->props.blockSize; - p->mtCoder.destBlockSize = p->props.blockSize + (p->props.blockSize >> 10) + 16; - p->mtCoder.numThreads = p->props.numBlockThreads; - - return MtCoder_Code(&p->mtCoder); - } - #endif -} diff --git a/src/libs/7zip/win/C/Lzma2Enc.h b/src/libs/7zip/win/C/Lzma2Enc.h deleted file mode 100644 index f409f184c..000000000 --- a/src/libs/7zip/win/C/Lzma2Enc.h +++ /dev/null @@ -1,62 +0,0 @@ -/* Lzma2Enc.h -- LZMA2 Encoder -2013-01-18 : Igor Pavlov : Public domain */ - -#ifndef __LZMA2_ENC_H -#define __LZMA2_ENC_H - -#include "LzmaEnc.h" - -EXTERN_C_BEGIN - -typedef struct -{ - CLzmaEncProps lzmaProps; - size_t blockSize; - int numBlockThreads; - int numTotalThreads; -} CLzma2EncProps; - -void Lzma2EncProps_Init(CLzma2EncProps *p); -void Lzma2EncProps_Normalize(CLzma2EncProps *p); - -/* ---------- CLzmaEnc2Handle Interface ---------- */ - -/* Lzma2Enc_* functions can return the following exit codes: -Returns: - SZ_OK - OK - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_PARAM - Incorrect paramater in props - SZ_ERROR_WRITE - Write callback error - SZ_ERROR_PROGRESS - some break from progress callback - SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version) -*/ - -typedef void * CLzma2EncHandle; - -CLzma2EncHandle Lzma2Enc_Create(ISzAlloc *alloc, ISzAlloc *allocBig); -void Lzma2Enc_Destroy(CLzma2EncHandle p); -SRes Lzma2Enc_SetProps(CLzma2EncHandle p, const CLzma2EncProps *props); -Byte Lzma2Enc_WriteProperties(CLzma2EncHandle p); -SRes Lzma2Enc_Encode(CLzma2EncHandle p, - ISeqOutStream *outStream, ISeqInStream *inStream, ICompressProgress *progress); - -/* ---------- One Call Interface ---------- */ - -/* Lzma2Encode -Return code: - SZ_OK - OK - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_PARAM - Incorrect paramater - SZ_ERROR_OUTPUT_EOF - output buffer overflow - SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version) -*/ - -/* -SRes Lzma2Encode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, - const CLzmaEncProps *props, Byte *propsEncoded, int writeEndMark, - ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); -*/ - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/LzmaDec.c b/src/libs/7zip/win/C/LzmaDec.c deleted file mode 100644 index b1a2ad150..000000000 --- a/src/libs/7zip/win/C/LzmaDec.c +++ /dev/null @@ -1,1025 +0,0 @@ -/* LzmaDec.c -- LZMA Decoder -2015-01-01 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include "LzmaDec.h" - -#include <string.h> - -#define kNumTopBits 24 -#define kTopValue ((UInt32)1 << kNumTopBits) - -#define kNumBitModelTotalBits 11 -#define kBitModelTotal (1 << kNumBitModelTotalBits) -#define kNumMoveBits 5 - -#define RC_INIT_SIZE 5 - -#define NORMALIZE if (range < kTopValue) { range <<= 8; code = (code << 8) | (*buf++); } - -#define IF_BIT_0(p) ttt = *(p); NORMALIZE; bound = (range >> kNumBitModelTotalBits) * ttt; if (code < bound) -#define UPDATE_0(p) range = bound; *(p) = (CLzmaProb)(ttt + ((kBitModelTotal - ttt) >> kNumMoveBits)); -#define UPDATE_1(p) range -= bound; code -= bound; *(p) = (CLzmaProb)(ttt - (ttt >> kNumMoveBits)); -#define GET_BIT2(p, i, A0, A1) IF_BIT_0(p) \ - { UPDATE_0(p); i = (i + i); A0; } else \ - { UPDATE_1(p); i = (i + i) + 1; A1; } -#define GET_BIT(p, i) GET_BIT2(p, i, ; , ;) - -#define TREE_GET_BIT(probs, i) { GET_BIT((probs + i), i); } -#define TREE_DECODE(probs, limit, i) \ - { i = 1; do { TREE_GET_BIT(probs, i); } while (i < limit); i -= limit; } - -/* #define _LZMA_SIZE_OPT */ - -#ifdef _LZMA_SIZE_OPT -#define TREE_6_DECODE(probs, i) TREE_DECODE(probs, (1 << 6), i) -#else -#define TREE_6_DECODE(probs, i) \ - { i = 1; \ - TREE_GET_BIT(probs, i); \ - TREE_GET_BIT(probs, i); \ - TREE_GET_BIT(probs, i); \ - TREE_GET_BIT(probs, i); \ - TREE_GET_BIT(probs, i); \ - TREE_GET_BIT(probs, i); \ - i -= 0x40; } -#endif - -#define NORMAL_LITER_DEC GET_BIT(prob + symbol, symbol) -#define MATCHED_LITER_DEC \ - matchByte <<= 1; \ - bit = (matchByte & offs); \ - probLit = prob + offs + bit + symbol; \ - GET_BIT2(probLit, symbol, offs &= ~bit, offs &= bit) - -#define NORMALIZE_CHECK if (range < kTopValue) { if (buf >= bufLimit) return DUMMY_ERROR; range <<= 8; code = (code << 8) | (*buf++); } - -#define IF_BIT_0_CHECK(p) ttt = *(p); NORMALIZE_CHECK; bound = (range >> kNumBitModelTotalBits) * ttt; if (code < bound) -#define UPDATE_0_CHECK range = bound; -#define UPDATE_1_CHECK range -= bound; code -= bound; -#define GET_BIT2_CHECK(p, i, A0, A1) IF_BIT_0_CHECK(p) \ - { UPDATE_0_CHECK; i = (i + i); A0; } else \ - { UPDATE_1_CHECK; i = (i + i) + 1; A1; } -#define GET_BIT_CHECK(p, i) GET_BIT2_CHECK(p, i, ; , ;) -#define TREE_DECODE_CHECK(probs, limit, i) \ - { i = 1; do { GET_BIT_CHECK(probs + i, i) } while (i < limit); i -= limit; } - - -#define kNumPosBitsMax 4 -#define kNumPosStatesMax (1 << kNumPosBitsMax) - -#define kLenNumLowBits 3 -#define kLenNumLowSymbols (1 << kLenNumLowBits) -#define kLenNumMidBits 3 -#define kLenNumMidSymbols (1 << kLenNumMidBits) -#define kLenNumHighBits 8 -#define kLenNumHighSymbols (1 << kLenNumHighBits) - -#define LenChoice 0 -#define LenChoice2 (LenChoice + 1) -#define LenLow (LenChoice2 + 1) -#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits)) -#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits)) -#define kNumLenProbs (LenHigh + kLenNumHighSymbols) - - -#define kNumStates 12 -#define kNumLitStates 7 - -#define kStartPosModelIndex 4 -#define kEndPosModelIndex 14 -#define kNumFullDistances (1 << (kEndPosModelIndex >> 1)) - -#define kNumPosSlotBits 6 -#define kNumLenToPosStates 4 - -#define kNumAlignBits 4 -#define kAlignTableSize (1 << kNumAlignBits) - -#define kMatchMinLen 2 -#define kMatchSpecLenStart (kMatchMinLen + kLenNumLowSymbols + kLenNumMidSymbols + kLenNumHighSymbols) - -#define IsMatch 0 -#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax)) -#define IsRepG0 (IsRep + kNumStates) -#define IsRepG1 (IsRepG0 + kNumStates) -#define IsRepG2 (IsRepG1 + kNumStates) -#define IsRep0Long (IsRepG2 + kNumStates) -#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax)) -#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits)) -#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex) -#define LenCoder (Align + kAlignTableSize) -#define RepLenCoder (LenCoder + kNumLenProbs) -#define Literal (RepLenCoder + kNumLenProbs) - -#define LZMA_BASE_SIZE 1846 -#define LZMA_LIT_SIZE 768 - -#define LzmaProps_GetNumProbs(p) ((UInt32)LZMA_BASE_SIZE + (LZMA_LIT_SIZE << ((p)->lc + (p)->lp))) - -#if Literal != LZMA_BASE_SIZE -StopCompilingDueBUG -#endif - -#define LZMA_DIC_MIN (1 << 12) - -/* First LZMA-symbol is always decoded. -And it decodes new LZMA-symbols while (buf < bufLimit), but "buf" is without last normalization -Out: - Result: - SZ_OK - OK - SZ_ERROR_DATA - Error - p->remainLen: - < kMatchSpecLenStart : normal remain - = kMatchSpecLenStart : finished - = kMatchSpecLenStart + 1 : Flush marker - = kMatchSpecLenStart + 2 : State Init Marker -*/ - -static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte *bufLimit) -{ - CLzmaProb *probs = p->probs; - - unsigned state = p->state; - UInt32 rep0 = p->reps[0], rep1 = p->reps[1], rep2 = p->reps[2], rep3 = p->reps[3]; - unsigned pbMask = ((unsigned)1 << (p->prop.pb)) - 1; - unsigned lpMask = ((unsigned)1 << (p->prop.lp)) - 1; - unsigned lc = p->prop.lc; - - Byte *dic = p->dic; - SizeT dicBufSize = p->dicBufSize; - SizeT dicPos = p->dicPos; - - UInt32 processedPos = p->processedPos; - UInt32 checkDicSize = p->checkDicSize; - unsigned len = 0; - - const Byte *buf = p->buf; - UInt32 range = p->range; - UInt32 code = p->code; - - do - { - CLzmaProb *prob; - UInt32 bound; - unsigned ttt; - unsigned posState = processedPos & pbMask; - - prob = probs + IsMatch + (state << kNumPosBitsMax) + posState; - IF_BIT_0(prob) - { - unsigned symbol; - UPDATE_0(prob); - prob = probs + Literal; - if (checkDicSize != 0 || processedPos != 0) - prob += (LZMA_LIT_SIZE * (((processedPos & lpMask) << lc) + - (dic[(dicPos == 0 ? dicBufSize : dicPos) - 1] >> (8 - lc)))); - - if (state < kNumLitStates) - { - state -= (state < 4) ? state : 3; - symbol = 1; - #ifdef _LZMA_SIZE_OPT - do { NORMAL_LITER_DEC } while (symbol < 0x100); - #else - NORMAL_LITER_DEC - NORMAL_LITER_DEC - NORMAL_LITER_DEC - NORMAL_LITER_DEC - NORMAL_LITER_DEC - NORMAL_LITER_DEC - NORMAL_LITER_DEC - NORMAL_LITER_DEC - #endif - } - else - { - unsigned matchByte = dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)]; - unsigned offs = 0x100; - state -= (state < 10) ? 3 : 6; - symbol = 1; - #ifdef _LZMA_SIZE_OPT - do - { - unsigned bit; - CLzmaProb *probLit; - MATCHED_LITER_DEC - } - while (symbol < 0x100); - #else - { - unsigned bit; - CLzmaProb *probLit; - MATCHED_LITER_DEC - MATCHED_LITER_DEC - MATCHED_LITER_DEC - MATCHED_LITER_DEC - MATCHED_LITER_DEC - MATCHED_LITER_DEC - MATCHED_LITER_DEC - MATCHED_LITER_DEC - } - #endif - } - dic[dicPos++] = (Byte)symbol; - processedPos++; - continue; - } - else - { - UPDATE_1(prob); - prob = probs + IsRep + state; - IF_BIT_0(prob) - { - UPDATE_0(prob); - state += kNumStates; - prob = probs + LenCoder; - } - else - { - UPDATE_1(prob); - if (checkDicSize == 0 && processedPos == 0) - return SZ_ERROR_DATA; - prob = probs + IsRepG0 + state; - IF_BIT_0(prob) - { - UPDATE_0(prob); - prob = probs + IsRep0Long + (state << kNumPosBitsMax) + posState; - IF_BIT_0(prob) - { - UPDATE_0(prob); - dic[dicPos] = dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)]; - dicPos++; - processedPos++; - state = state < kNumLitStates ? 9 : 11; - continue; - } - UPDATE_1(prob); - } - else - { - UInt32 distance; - UPDATE_1(prob); - prob = probs + IsRepG1 + state; - IF_BIT_0(prob) - { - UPDATE_0(prob); - distance = rep1; - } - else - { - UPDATE_1(prob); - prob = probs + IsRepG2 + state; - IF_BIT_0(prob) - { - UPDATE_0(prob); - distance = rep2; - } - else - { - UPDATE_1(prob); - distance = rep3; - rep3 = rep2; - } - rep2 = rep1; - } - rep1 = rep0; - rep0 = distance; - } - state = state < kNumLitStates ? 8 : 11; - prob = probs + RepLenCoder; - } - { - unsigned limit, offset; - CLzmaProb *probLen = prob + LenChoice; - IF_BIT_0(probLen) - { - UPDATE_0(probLen); - probLen = prob + LenLow + (posState << kLenNumLowBits); - offset = 0; - limit = (1 << kLenNumLowBits); - } - else - { - UPDATE_1(probLen); - probLen = prob + LenChoice2; - IF_BIT_0(probLen) - { - UPDATE_0(probLen); - probLen = prob + LenMid + (posState << kLenNumMidBits); - offset = kLenNumLowSymbols; - limit = (1 << kLenNumMidBits); - } - else - { - UPDATE_1(probLen); - probLen = prob + LenHigh; - offset = kLenNumLowSymbols + kLenNumMidSymbols; - limit = (1 << kLenNumHighBits); - } - } - TREE_DECODE(probLen, limit, len); - len += offset; - } - - if (state >= kNumStates) - { - UInt32 distance; - prob = probs + PosSlot + - ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) << kNumPosSlotBits); - TREE_6_DECODE(prob, distance); - if (distance >= kStartPosModelIndex) - { - unsigned posSlot = (unsigned)distance; - int numDirectBits = (int)(((distance >> 1) - 1)); - distance = (2 | (distance & 1)); - if (posSlot < kEndPosModelIndex) - { - distance <<= numDirectBits; - prob = probs + SpecPos + distance - posSlot - 1; - { - UInt32 mask = 1; - unsigned i = 1; - do - { - GET_BIT2(prob + i, i, ; , distance |= mask); - mask <<= 1; - } - while (--numDirectBits != 0); - } - } - else - { - numDirectBits -= kNumAlignBits; - do - { - NORMALIZE - range >>= 1; - - { - UInt32 t; - code -= range; - t = (0 - ((UInt32)code >> 31)); /* (UInt32)((Int32)code >> 31) */ - distance = (distance << 1) + (t + 1); - code += range & t; - } - /* - distance <<= 1; - if (code >= range) - { - code -= range; - distance |= 1; - } - */ - } - while (--numDirectBits != 0); - prob = probs + Align; - distance <<= kNumAlignBits; - { - unsigned i = 1; - GET_BIT2(prob + i, i, ; , distance |= 1); - GET_BIT2(prob + i, i, ; , distance |= 2); - GET_BIT2(prob + i, i, ; , distance |= 4); - GET_BIT2(prob + i, i, ; , distance |= 8); - } - if (distance == (UInt32)0xFFFFFFFF) - { - len += kMatchSpecLenStart; - state -= kNumStates; - break; - } - } - } - rep3 = rep2; - rep2 = rep1; - rep1 = rep0; - rep0 = distance + 1; - if (checkDicSize == 0) - { - if (distance >= processedPos) - return SZ_ERROR_DATA; - } - else if (distance >= checkDicSize) - return SZ_ERROR_DATA; - state = (state < kNumStates + kNumLitStates) ? kNumLitStates : kNumLitStates + 3; - } - - len += kMatchMinLen; - - if (limit == dicPos) - return SZ_ERROR_DATA; - { - SizeT rem = limit - dicPos; - unsigned curLen = ((rem < len) ? (unsigned)rem : len); - SizeT pos = (dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0); - - processedPos += curLen; - - len -= curLen; - if (pos + curLen <= dicBufSize) - { - Byte *dest = dic + dicPos; - ptrdiff_t src = (ptrdiff_t)pos - (ptrdiff_t)dicPos; - const Byte *lim = dest + curLen; - dicPos += curLen; - do - *(dest) = (Byte)*(dest + src); - while (++dest != lim); - } - else - { - do - { - dic[dicPos++] = dic[pos]; - if (++pos == dicBufSize) - pos = 0; - } - while (--curLen != 0); - } - } - } - } - while (dicPos < limit && buf < bufLimit); - NORMALIZE; - p->buf = buf; - p->range = range; - p->code = code; - p->remainLen = len; - p->dicPos = dicPos; - p->processedPos = processedPos; - p->reps[0] = rep0; - p->reps[1] = rep1; - p->reps[2] = rep2; - p->reps[3] = rep3; - p->state = state; - - return SZ_OK; -} - -static void MY_FAST_CALL LzmaDec_WriteRem(CLzmaDec *p, SizeT limit) -{ - if (p->remainLen != 0 && p->remainLen < kMatchSpecLenStart) - { - Byte *dic = p->dic; - SizeT dicPos = p->dicPos; - SizeT dicBufSize = p->dicBufSize; - unsigned len = p->remainLen; - UInt32 rep0 = p->reps[0]; - if (limit - dicPos < len) - len = (unsigned)(limit - dicPos); - - if (p->checkDicSize == 0 && p->prop.dicSize - p->processedPos <= len) - p->checkDicSize = p->prop.dicSize; - - p->processedPos += len; - p->remainLen -= len; - while (len != 0) - { - len--; - dic[dicPos] = dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)]; - dicPos++; - } - p->dicPos = dicPos; - } -} - -static int MY_FAST_CALL LzmaDec_DecodeReal2(CLzmaDec *p, SizeT limit, const Byte *bufLimit) -{ - do - { - SizeT limit2 = limit; - if (p->checkDicSize == 0) - { - UInt32 rem = p->prop.dicSize - p->processedPos; - if (limit - p->dicPos > rem) - limit2 = p->dicPos + rem; - } - RINOK(LzmaDec_DecodeReal(p, limit2, bufLimit)); - if (p->processedPos >= p->prop.dicSize) - p->checkDicSize = p->prop.dicSize; - LzmaDec_WriteRem(p, limit); - } - while (p->dicPos < limit && p->buf < bufLimit && p->remainLen < kMatchSpecLenStart); - - if (p->remainLen > kMatchSpecLenStart) - { - p->remainLen = kMatchSpecLenStart; - } - return 0; -} - -typedef enum -{ - DUMMY_ERROR, /* unexpected end of input stream */ - DUMMY_LIT, - DUMMY_MATCH, - DUMMY_REP -} ELzmaDummy; - -static ELzmaDummy LzmaDec_TryDummy(const CLzmaDec *p, const Byte *buf, SizeT inSize) -{ - UInt32 range = p->range; - UInt32 code = p->code; - const Byte *bufLimit = buf + inSize; - CLzmaProb *probs = p->probs; - unsigned state = p->state; - ELzmaDummy res; - - { - CLzmaProb *prob; - UInt32 bound; - unsigned ttt; - unsigned posState = (p->processedPos) & ((1 << p->prop.pb) - 1); - - prob = probs + IsMatch + (state << kNumPosBitsMax) + posState; - IF_BIT_0_CHECK(prob) - { - UPDATE_0_CHECK - - /* if (bufLimit - buf >= 7) return DUMMY_LIT; */ - - prob = probs + Literal; - if (p->checkDicSize != 0 || p->processedPos != 0) - prob += (LZMA_LIT_SIZE * - ((((p->processedPos) & ((1 << (p->prop.lp)) - 1)) << p->prop.lc) + - (p->dic[(p->dicPos == 0 ? p->dicBufSize : p->dicPos) - 1] >> (8 - p->prop.lc)))); - - if (state < kNumLitStates) - { - unsigned symbol = 1; - do { GET_BIT_CHECK(prob + symbol, symbol) } while (symbol < 0x100); - } - else - { - unsigned matchByte = p->dic[p->dicPos - p->reps[0] + - ((p->dicPos < p->reps[0]) ? p->dicBufSize : 0)]; - unsigned offs = 0x100; - unsigned symbol = 1; - do - { - unsigned bit; - CLzmaProb *probLit; - matchByte <<= 1; - bit = (matchByte & offs); - probLit = prob + offs + bit + symbol; - GET_BIT2_CHECK(probLit, symbol, offs &= ~bit, offs &= bit) - } - while (symbol < 0x100); - } - res = DUMMY_LIT; - } - else - { - unsigned len; - UPDATE_1_CHECK; - - prob = probs + IsRep + state; - IF_BIT_0_CHECK(prob) - { - UPDATE_0_CHECK; - state = 0; - prob = probs + LenCoder; - res = DUMMY_MATCH; - } - else - { - UPDATE_1_CHECK; - res = DUMMY_REP; - prob = probs + IsRepG0 + state; - IF_BIT_0_CHECK(prob) - { - UPDATE_0_CHECK; - prob = probs + IsRep0Long + (state << kNumPosBitsMax) + posState; - IF_BIT_0_CHECK(prob) - { - UPDATE_0_CHECK; - NORMALIZE_CHECK; - return DUMMY_REP; - } - else - { - UPDATE_1_CHECK; - } - } - else - { - UPDATE_1_CHECK; - prob = probs + IsRepG1 + state; - IF_BIT_0_CHECK(prob) - { - UPDATE_0_CHECK; - } - else - { - UPDATE_1_CHECK; - prob = probs + IsRepG2 + state; - IF_BIT_0_CHECK(prob) - { - UPDATE_0_CHECK; - } - else - { - UPDATE_1_CHECK; - } - } - } - state = kNumStates; - prob = probs + RepLenCoder; - } - { - unsigned limit, offset; - CLzmaProb *probLen = prob + LenChoice; - IF_BIT_0_CHECK(probLen) - { - UPDATE_0_CHECK; - probLen = prob + LenLow + (posState << kLenNumLowBits); - offset = 0; - limit = 1 << kLenNumLowBits; - } - else - { - UPDATE_1_CHECK; - probLen = prob + LenChoice2; - IF_BIT_0_CHECK(probLen) - { - UPDATE_0_CHECK; - probLen = prob + LenMid + (posState << kLenNumMidBits); - offset = kLenNumLowSymbols; - limit = 1 << kLenNumMidBits; - } - else - { - UPDATE_1_CHECK; - probLen = prob + LenHigh; - offset = kLenNumLowSymbols + kLenNumMidSymbols; - limit = 1 << kLenNumHighBits; - } - } - TREE_DECODE_CHECK(probLen, limit, len); - len += offset; - } - - if (state < 4) - { - unsigned posSlot; - prob = probs + PosSlot + - ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) << - kNumPosSlotBits); - TREE_DECODE_CHECK(prob, 1 << kNumPosSlotBits, posSlot); - if (posSlot >= kStartPosModelIndex) - { - int numDirectBits = ((posSlot >> 1) - 1); - - /* if (bufLimit - buf >= 8) return DUMMY_MATCH; */ - - if (posSlot < kEndPosModelIndex) - { - prob = probs + SpecPos + ((2 | (posSlot & 1)) << numDirectBits) - posSlot - 1; - } - else - { - numDirectBits -= kNumAlignBits; - do - { - NORMALIZE_CHECK - range >>= 1; - code -= range & (((code - range) >> 31) - 1); - /* if (code >= range) code -= range; */ - } - while (--numDirectBits != 0); - prob = probs + Align; - numDirectBits = kNumAlignBits; - } - { - unsigned i = 1; - do - { - GET_BIT_CHECK(prob + i, i); - } - while (--numDirectBits != 0); - } - } - } - } - } - NORMALIZE_CHECK; - return res; -} - - -static void LzmaDec_InitRc(CLzmaDec *p, const Byte *data) -{ - p->code = ((UInt32)data[1] << 24) | ((UInt32)data[2] << 16) | ((UInt32)data[3] << 8) | ((UInt32)data[4]); - p->range = 0xFFFFFFFF; - p->needFlush = 0; -} - -void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState) -{ - p->needFlush = 1; - p->remainLen = 0; - p->tempBufSize = 0; - - if (initDic) - { - p->processedPos = 0; - p->checkDicSize = 0; - p->needInitState = 1; - } - if (initState) - p->needInitState = 1; -} - -void LzmaDec_Init(CLzmaDec *p) -{ - p->dicPos = 0; - LzmaDec_InitDicAndState(p, True, True); -} - -static void LzmaDec_InitStateReal(CLzmaDec *p) -{ - UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (p->prop.lc + p->prop.lp)); - UInt32 i; - CLzmaProb *probs = p->probs; - for (i = 0; i < numProbs; i++) - probs[i] = kBitModelTotal >> 1; - p->reps[0] = p->reps[1] = p->reps[2] = p->reps[3] = 1; - p->state = 0; - p->needInitState = 0; -} - -SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, const Byte *src, SizeT *srcLen, - ELzmaFinishMode finishMode, ELzmaStatus *status) -{ - SizeT inSize = *srcLen; - (*srcLen) = 0; - LzmaDec_WriteRem(p, dicLimit); - - *status = LZMA_STATUS_NOT_SPECIFIED; - - while (p->remainLen != kMatchSpecLenStart) - { - int checkEndMarkNow; - - if (p->needFlush != 0) - { - for (; inSize > 0 && p->tempBufSize < RC_INIT_SIZE; (*srcLen)++, inSize--) - p->tempBuf[p->tempBufSize++] = *src++; - if (p->tempBufSize < RC_INIT_SIZE) - { - *status = LZMA_STATUS_NEEDS_MORE_INPUT; - return SZ_OK; - } - if (p->tempBuf[0] != 0) - return SZ_ERROR_DATA; - - LzmaDec_InitRc(p, p->tempBuf); - p->tempBufSize = 0; - } - - checkEndMarkNow = 0; - if (p->dicPos >= dicLimit) - { - if (p->remainLen == 0 && p->code == 0) - { - *status = LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK; - return SZ_OK; - } - if (finishMode == LZMA_FINISH_ANY) - { - *status = LZMA_STATUS_NOT_FINISHED; - return SZ_OK; - } - if (p->remainLen != 0) - { - *status = LZMA_STATUS_NOT_FINISHED; - return SZ_ERROR_DATA; - } - checkEndMarkNow = 1; - } - - if (p->needInitState) - LzmaDec_InitStateReal(p); - - if (p->tempBufSize == 0) - { - SizeT processed; - const Byte *bufLimit; - if (inSize < LZMA_REQUIRED_INPUT_MAX || checkEndMarkNow) - { - int dummyRes = LzmaDec_TryDummy(p, src, inSize); - if (dummyRes == DUMMY_ERROR) - { - memcpy(p->tempBuf, src, inSize); - p->tempBufSize = (unsigned)inSize; - (*srcLen) += inSize; - *status = LZMA_STATUS_NEEDS_MORE_INPUT; - return SZ_OK; - } - if (checkEndMarkNow && dummyRes != DUMMY_MATCH) - { - *status = LZMA_STATUS_NOT_FINISHED; - return SZ_ERROR_DATA; - } - bufLimit = src; - } - else - bufLimit = src + inSize - LZMA_REQUIRED_INPUT_MAX; - p->buf = src; - if (LzmaDec_DecodeReal2(p, dicLimit, bufLimit) != 0) - return SZ_ERROR_DATA; - processed = (SizeT)(p->buf - src); - (*srcLen) += processed; - src += processed; - inSize -= processed; - } - else - { - unsigned rem = p->tempBufSize, lookAhead = 0; - while (rem < LZMA_REQUIRED_INPUT_MAX && lookAhead < inSize) - p->tempBuf[rem++] = src[lookAhead++]; - p->tempBufSize = rem; - if (rem < LZMA_REQUIRED_INPUT_MAX || checkEndMarkNow) - { - int dummyRes = LzmaDec_TryDummy(p, p->tempBuf, rem); - if (dummyRes == DUMMY_ERROR) - { - (*srcLen) += lookAhead; - *status = LZMA_STATUS_NEEDS_MORE_INPUT; - return SZ_OK; - } - if (checkEndMarkNow && dummyRes != DUMMY_MATCH) - { - *status = LZMA_STATUS_NOT_FINISHED; - return SZ_ERROR_DATA; - } - } - p->buf = p->tempBuf; - if (LzmaDec_DecodeReal2(p, dicLimit, p->buf) != 0) - return SZ_ERROR_DATA; - lookAhead -= (rem - (unsigned)(p->buf - p->tempBuf)); - (*srcLen) += lookAhead; - src += lookAhead; - inSize -= lookAhead; - p->tempBufSize = 0; - } - } - if (p->code == 0) - *status = LZMA_STATUS_FINISHED_WITH_MARK; - return (p->code == 0) ? SZ_OK : SZ_ERROR_DATA; -} - -SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status) -{ - SizeT outSize = *destLen; - SizeT inSize = *srcLen; - *srcLen = *destLen = 0; - for (;;) - { - SizeT inSizeCur = inSize, outSizeCur, dicPos; - ELzmaFinishMode curFinishMode; - SRes res; - if (p->dicPos == p->dicBufSize) - p->dicPos = 0; - dicPos = p->dicPos; - if (outSize > p->dicBufSize - dicPos) - { - outSizeCur = p->dicBufSize; - curFinishMode = LZMA_FINISH_ANY; - } - else - { - outSizeCur = dicPos + outSize; - curFinishMode = finishMode; - } - - res = LzmaDec_DecodeToDic(p, outSizeCur, src, &inSizeCur, curFinishMode, status); - src += inSizeCur; - inSize -= inSizeCur; - *srcLen += inSizeCur; - outSizeCur = p->dicPos - dicPos; - memcpy(dest, p->dic + dicPos, outSizeCur); - dest += outSizeCur; - outSize -= outSizeCur; - *destLen += outSizeCur; - if (res != 0) - return res; - if (outSizeCur == 0 || outSize == 0) - return SZ_OK; - } -} - -void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->probs); - p->probs = 0; -} - -static void LzmaDec_FreeDict(CLzmaDec *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->dic); - p->dic = 0; -} - -void LzmaDec_Free(CLzmaDec *p, ISzAlloc *alloc) -{ - LzmaDec_FreeProbs(p, alloc); - LzmaDec_FreeDict(p, alloc); -} - -SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size) -{ - UInt32 dicSize; - Byte d; - - if (size < LZMA_PROPS_SIZE) - return SZ_ERROR_UNSUPPORTED; - else - dicSize = data[1] | ((UInt32)data[2] << 8) | ((UInt32)data[3] << 16) | ((UInt32)data[4] << 24); - - if (dicSize < LZMA_DIC_MIN) - dicSize = LZMA_DIC_MIN; - p->dicSize = dicSize; - - d = data[0]; - if (d >= (9 * 5 * 5)) - return SZ_ERROR_UNSUPPORTED; - - p->lc = d % 9; - d /= 9; - p->pb = d / 5; - p->lp = d % 5; - - return SZ_OK; -} - -static SRes LzmaDec_AllocateProbs2(CLzmaDec *p, const CLzmaProps *propNew, ISzAlloc *alloc) -{ - UInt32 numProbs = LzmaProps_GetNumProbs(propNew); - if (p->probs == 0 || numProbs != p->numProbs) - { - LzmaDec_FreeProbs(p, alloc); - p->probs = (CLzmaProb *)alloc->Alloc(alloc, numProbs * sizeof(CLzmaProb)); - p->numProbs = numProbs; - if (p->probs == 0) - return SZ_ERROR_MEM; - } - return SZ_OK; -} - -SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) -{ - CLzmaProps propNew; - RINOK(LzmaProps_Decode(&propNew, props, propsSize)); - RINOK(LzmaDec_AllocateProbs2(p, &propNew, alloc)); - p->prop = propNew; - return SZ_OK; -} - -SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) -{ - CLzmaProps propNew; - SizeT dicBufSize; - RINOK(LzmaProps_Decode(&propNew, props, propsSize)); - RINOK(LzmaDec_AllocateProbs2(p, &propNew, alloc)); - dicBufSize = propNew.dicSize; - if (p->dic == 0 || dicBufSize != p->dicBufSize) - { - LzmaDec_FreeDict(p, alloc); - p->dic = (Byte *)alloc->Alloc(alloc, dicBufSize); - if (p->dic == 0) - { - LzmaDec_FreeProbs(p, alloc); - return SZ_ERROR_MEM; - } - } - p->dicBufSize = dicBufSize; - p->prop = propNew; - return SZ_OK; -} - -SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, - const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode, - ELzmaStatus *status, ISzAlloc *alloc) -{ - CLzmaDec p; - SRes res; - SizeT outSize = *destLen, inSize = *srcLen; - *destLen = *srcLen = 0; - *status = LZMA_STATUS_NOT_SPECIFIED; - if (inSize < RC_INIT_SIZE) - return SZ_ERROR_INPUT_EOF; - LzmaDec_Construct(&p); - RINOK(LzmaDec_AllocateProbs(&p, propData, propSize, alloc)); - p.dic = dest; - p.dicBufSize = outSize; - LzmaDec_Init(&p); - *srcLen = inSize; - res = LzmaDec_DecodeToDic(&p, outSize, src, srcLen, finishMode, status); - *destLen = p.dicPos; - if (res == SZ_OK && *status == LZMA_STATUS_NEEDS_MORE_INPUT) - res = SZ_ERROR_INPUT_EOF; - LzmaDec_FreeProbs(&p, alloc); - return res; -} diff --git a/src/libs/7zip/win/C/LzmaDec.h b/src/libs/7zip/win/C/LzmaDec.h deleted file mode 100644 index 63efc351f..000000000 --- a/src/libs/7zip/win/C/LzmaDec.h +++ /dev/null @@ -1,227 +0,0 @@ -/* LzmaDec.h -- LZMA Decoder -2013-01-18 : Igor Pavlov : Public domain */ - -#ifndef __LZMA_DEC_H -#define __LZMA_DEC_H - -#include "7zTypes.h" - -EXTERN_C_BEGIN - -/* #define _LZMA_PROB32 */ -/* _LZMA_PROB32 can increase the speed on some CPUs, - but memory usage for CLzmaDec::probs will be doubled in that case */ - -#ifdef _LZMA_PROB32 -#define CLzmaProb UInt32 -#else -#define CLzmaProb UInt16 -#endif - - -/* ---------- LZMA Properties ---------- */ - -#define LZMA_PROPS_SIZE 5 - -typedef struct _CLzmaProps -{ - unsigned lc, lp, pb; - UInt32 dicSize; -} CLzmaProps; - -/* LzmaProps_Decode - decodes properties -Returns: - SZ_OK - SZ_ERROR_UNSUPPORTED - Unsupported properties -*/ - -SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size); - - -/* ---------- LZMA Decoder state ---------- */ - -/* LZMA_REQUIRED_INPUT_MAX = number of required input bytes for worst case. - Num bits = log2((2^11 / 31) ^ 22) + 26 < 134 + 26 = 160; */ - -#define LZMA_REQUIRED_INPUT_MAX 20 - -typedef struct -{ - CLzmaProps prop; - CLzmaProb *probs; - Byte *dic; - const Byte *buf; - UInt32 range, code; - SizeT dicPos; - SizeT dicBufSize; - UInt32 processedPos; - UInt32 checkDicSize; - unsigned state; - UInt32 reps[4]; - unsigned remainLen; - int needFlush; - int needInitState; - UInt32 numProbs; - unsigned tempBufSize; - Byte tempBuf[LZMA_REQUIRED_INPUT_MAX]; -} CLzmaDec; - -#define LzmaDec_Construct(p) { (p)->dic = 0; (p)->probs = 0; } - -void LzmaDec_Init(CLzmaDec *p); - -/* There are two types of LZMA streams: - 0) Stream with end mark. That end mark adds about 6 bytes to compressed size. - 1) Stream without end mark. You must know exact uncompressed size to decompress such stream. */ - -typedef enum -{ - LZMA_FINISH_ANY, /* finish at any point */ - LZMA_FINISH_END /* block must be finished at the end */ -} ELzmaFinishMode; - -/* ELzmaFinishMode has meaning only if the decoding reaches output limit !!! - - You must use LZMA_FINISH_END, when you know that current output buffer - covers last bytes of block. In other cases you must use LZMA_FINISH_ANY. - - If LZMA decoder sees end marker before reaching output limit, it returns SZ_OK, - and output value of destLen will be less than output buffer size limit. - You can check status result also. - - You can use multiple checks to test data integrity after full decompression: - 1) Check Result and "status" variable. - 2) Check that output(destLen) = uncompressedSize, if you know real uncompressedSize. - 3) Check that output(srcLen) = compressedSize, if you know real compressedSize. - You must use correct finish mode in that case. */ - -typedef enum -{ - LZMA_STATUS_NOT_SPECIFIED, /* use main error code instead */ - LZMA_STATUS_FINISHED_WITH_MARK, /* stream was finished with end mark. */ - LZMA_STATUS_NOT_FINISHED, /* stream was not finished */ - LZMA_STATUS_NEEDS_MORE_INPUT, /* you must provide more input bytes */ - LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK /* there is probability that stream was finished without end mark */ -} ELzmaStatus; - -/* ELzmaStatus is used only as output value for function call */ - - -/* ---------- Interfaces ---------- */ - -/* There are 3 levels of interfaces: - 1) Dictionary Interface - 2) Buffer Interface - 3) One Call Interface - You can select any of these interfaces, but don't mix functions from different - groups for same object. */ - - -/* There are two variants to allocate state for Dictionary Interface: - 1) LzmaDec_Allocate / LzmaDec_Free - 2) LzmaDec_AllocateProbs / LzmaDec_FreeProbs - You can use variant 2, if you set dictionary buffer manually. - For Buffer Interface you must always use variant 1. - -LzmaDec_Allocate* can return: - SZ_OK - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_UNSUPPORTED - Unsupported properties -*/ - -SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc); -void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc); - -SRes LzmaDec_Allocate(CLzmaDec *state, const Byte *prop, unsigned propsSize, ISzAlloc *alloc); -void LzmaDec_Free(CLzmaDec *state, ISzAlloc *alloc); - -/* ---------- Dictionary Interface ---------- */ - -/* You can use it, if you want to eliminate the overhead for data copying from - dictionary to some other external buffer. - You must work with CLzmaDec variables directly in this interface. - - STEPS: - LzmaDec_Constr() - LzmaDec_Allocate() - for (each new stream) - { - LzmaDec_Init() - while (it needs more decompression) - { - LzmaDec_DecodeToDic() - use data from CLzmaDec::dic and update CLzmaDec::dicPos - } - } - LzmaDec_Free() -*/ - -/* LzmaDec_DecodeToDic - - The decoding to internal dictionary buffer (CLzmaDec::dic). - You must manually update CLzmaDec::dicPos, if it reaches CLzmaDec::dicBufSize !!! - -finishMode: - It has meaning only if the decoding reaches output limit (dicLimit). - LZMA_FINISH_ANY - Decode just dicLimit bytes. - LZMA_FINISH_END - Stream must be finished after dicLimit. - -Returns: - SZ_OK - status: - LZMA_STATUS_FINISHED_WITH_MARK - LZMA_STATUS_NOT_FINISHED - LZMA_STATUS_NEEDS_MORE_INPUT - LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK - SZ_ERROR_DATA - Data error -*/ - -SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, - const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); - - -/* ---------- Buffer Interface ---------- */ - -/* It's zlib-like interface. - See LzmaDec_DecodeToDic description for information about STEPS and return results, - but you must use LzmaDec_DecodeToBuf instead of LzmaDec_DecodeToDic and you don't need - to work with CLzmaDec variables manually. - -finishMode: - It has meaning only if the decoding reaches output limit (*destLen). - LZMA_FINISH_ANY - Decode just destLen bytes. - LZMA_FINISH_END - Stream must be finished after (*destLen). -*/ - -SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, - const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); - - -/* ---------- One Call Interface ---------- */ - -/* LzmaDecode - -finishMode: - It has meaning only if the decoding reaches output limit (*destLen). - LZMA_FINISH_ANY - Decode just destLen bytes. - LZMA_FINISH_END - Stream must be finished after (*destLen). - -Returns: - SZ_OK - status: - LZMA_STATUS_FINISHED_WITH_MARK - LZMA_STATUS_NOT_FINISHED - LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK - SZ_ERROR_DATA - Data error - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_UNSUPPORTED - Unsupported properties - SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src). -*/ - -SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, - const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode, - ELzmaStatus *status, ISzAlloc *alloc); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/LzmaEnc.c b/src/libs/7zip/win/C/LzmaEnc.c deleted file mode 100644 index bf3cc2ddb..000000000 --- a/src/libs/7zip/win/C/LzmaEnc.c +++ /dev/null @@ -1,2278 +0,0 @@ -/* LzmaEnc.c -- LZMA Encoder -2014-12-29 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include <string.h> - -/* #define SHOW_STAT */ -/* #define SHOW_STAT2 */ - -#if defined(SHOW_STAT) || defined(SHOW_STAT2) -#include <stdio.h> -#endif - -#include "LzmaEnc.h" - -#include "LzFind.h" -#ifndef _7ZIP_ST -#include "LzFindMt.h" -#endif - -#ifdef SHOW_STAT -static unsigned g_STAT_OFFSET = 0; -#endif - -#define kBlockSizeMax ((1 << LZMA_NUM_BLOCK_SIZE_BITS) - 1) - -#define kBlockSize (9 << 10) -#define kUnpackBlockSize (1 << 18) -#define kMatchArraySize (1 << 21) -#define kMatchRecordMaxSize ((LZMA_MATCH_LEN_MAX * 2 + 3) * LZMA_MATCH_LEN_MAX) - -#define kNumMaxDirectBits (31) - -#define kNumTopBits 24 -#define kTopValue ((UInt32)1 << kNumTopBits) - -#define kNumBitModelTotalBits 11 -#define kBitModelTotal (1 << kNumBitModelTotalBits) -#define kNumMoveBits 5 -#define kProbInitValue (kBitModelTotal >> 1) - -#define kNumMoveReducingBits 4 -#define kNumBitPriceShiftBits 4 -#define kBitPrice (1 << kNumBitPriceShiftBits) - -void LzmaEncProps_Init(CLzmaEncProps *p) -{ - p->level = 5; - p->dictSize = p->mc = 0; - p->reduceSize = (UInt64)(Int64)-1; - p->lc = p->lp = p->pb = p->algo = p->fb = p->btMode = p->numHashBytes = p->numThreads = -1; - p->writeEndMark = 0; -} - -void LzmaEncProps_Normalize(CLzmaEncProps *p) -{ - int level = p->level; - if (level < 0) level = 5; - p->level = level; - if (p->dictSize == 0) p->dictSize = (level <= 5 ? (1 << (level * 2 + 14)) : (level == 6 ? (1 << 25) : (1 << 26))); - if (p->dictSize > p->reduceSize) - { - unsigned i; - for (i = 11; i <= 30; i++) - { - if ((UInt32)p->reduceSize <= ((UInt32)2 << i)) { p->dictSize = ((UInt32)2 << i); break; } - if ((UInt32)p->reduceSize <= ((UInt32)3 << i)) { p->dictSize = ((UInt32)3 << i); break; } - } - } - if (p->lc < 0) p->lc = 3; - if (p->lp < 0) p->lp = 0; - if (p->pb < 0) p->pb = 2; - if (p->algo < 0) p->algo = (level < 5 ? 0 : 1); - if (p->fb < 0) p->fb = (level < 7 ? 32 : 64); - if (p->btMode < 0) p->btMode = (p->algo == 0 ? 0 : 1); - if (p->numHashBytes < 0) p->numHashBytes = 4; - if (p->mc == 0) p->mc = (16 + (p->fb >> 1)) >> (p->btMode ? 0 : 1); - if (p->numThreads < 0) - p->numThreads = - #ifndef _7ZIP_ST - ((p->btMode && p->algo) ? 2 : 1); - #else - 1; - #endif -} - -UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2) -{ - CLzmaEncProps props = *props2; - LzmaEncProps_Normalize(&props); - return props.dictSize; -} - -/* #define LZMA_LOG_BSR */ -/* Define it for Intel's CPU */ - - -#ifdef LZMA_LOG_BSR - -#define kDicLogSizeMaxCompress 30 - -#define BSR2_RET(pos, res) { unsigned long i; _BitScanReverse(&i, (pos)); res = (i + i) + ((pos >> (i - 1)) & 1); } - -UInt32 GetPosSlot1(UInt32 pos) -{ - UInt32 res; - BSR2_RET(pos, res); - return res; -} -#define GetPosSlot2(pos, res) { BSR2_RET(pos, res); } -#define GetPosSlot(pos, res) { if (pos < 2) res = pos; else BSR2_RET(pos, res); } - -#else - -#define kNumLogBits (9 + (int)sizeof(size_t) / 2) -#define kDicLogSizeMaxCompress ((kNumLogBits - 1) * 2 + 7) - -void LzmaEnc_FastPosInit(Byte *g_FastPos) -{ - int c = 2, slotFast; - g_FastPos[0] = 0; - g_FastPos[1] = 1; - - for (slotFast = 2; slotFast < kNumLogBits * 2; slotFast++) - { - UInt32 k = (1 << ((slotFast >> 1) - 1)); - UInt32 j; - for (j = 0; j < k; j++, c++) - g_FastPos[c] = (Byte)slotFast; - } -} - -#define BSR2_RET(pos, res) { UInt32 i = 6 + ((kNumLogBits - 1) & \ - (0 - (((((UInt32)1 << (kNumLogBits + 6)) - 1) - pos) >> 31))); \ - res = p->g_FastPos[pos >> i] + (i * 2); } -/* -#define BSR2_RET(pos, res) { res = (pos < (1 << (kNumLogBits + 6))) ? \ - p->g_FastPos[pos >> 6] + 12 : \ - p->g_FastPos[pos >> (6 + kNumLogBits - 1)] + (6 + (kNumLogBits - 1)) * 2; } -*/ - -#define GetPosSlot1(pos) p->g_FastPos[pos] -#define GetPosSlot2(pos, res) { BSR2_RET(pos, res); } -#define GetPosSlot(pos, res) { if (pos < kNumFullDistances) res = p->g_FastPos[pos]; else BSR2_RET(pos, res); } - -#endif - - -#define LZMA_NUM_REPS 4 - -typedef unsigned CState; - -typedef struct -{ - UInt32 price; - - CState state; - int prev1IsChar; - int prev2; - - UInt32 posPrev2; - UInt32 backPrev2; - - UInt32 posPrev; - UInt32 backPrev; - UInt32 backs[LZMA_NUM_REPS]; -} COptimal; - -#define kNumOpts (1 << 12) - -#define kNumLenToPosStates 4 -#define kNumPosSlotBits 6 -#define kDicLogSizeMin 0 -#define kDicLogSizeMax 32 -#define kDistTableSizeMax (kDicLogSizeMax * 2) - - -#define kNumAlignBits 4 -#define kAlignTableSize (1 << kNumAlignBits) -#define kAlignMask (kAlignTableSize - 1) - -#define kStartPosModelIndex 4 -#define kEndPosModelIndex 14 -#define kNumPosModels (kEndPosModelIndex - kStartPosModelIndex) - -#define kNumFullDistances (1 << (kEndPosModelIndex >> 1)) - -#ifdef _LZMA_PROB32 -#define CLzmaProb UInt32 -#else -#define CLzmaProb UInt16 -#endif - -#define LZMA_PB_MAX 4 -#define LZMA_LC_MAX 8 -#define LZMA_LP_MAX 4 - -#define LZMA_NUM_PB_STATES_MAX (1 << LZMA_PB_MAX) - - -#define kLenNumLowBits 3 -#define kLenNumLowSymbols (1 << kLenNumLowBits) -#define kLenNumMidBits 3 -#define kLenNumMidSymbols (1 << kLenNumMidBits) -#define kLenNumHighBits 8 -#define kLenNumHighSymbols (1 << kLenNumHighBits) - -#define kLenNumSymbolsTotal (kLenNumLowSymbols + kLenNumMidSymbols + kLenNumHighSymbols) - -#define LZMA_MATCH_LEN_MIN 2 -#define LZMA_MATCH_LEN_MAX (LZMA_MATCH_LEN_MIN + kLenNumSymbolsTotal - 1) - -#define kNumStates 12 - -typedef struct -{ - CLzmaProb choice; - CLzmaProb choice2; - CLzmaProb low[LZMA_NUM_PB_STATES_MAX << kLenNumLowBits]; - CLzmaProb mid[LZMA_NUM_PB_STATES_MAX << kLenNumMidBits]; - CLzmaProb high[kLenNumHighSymbols]; -} CLenEnc; - -typedef struct -{ - CLenEnc p; - UInt32 prices[LZMA_NUM_PB_STATES_MAX][kLenNumSymbolsTotal]; - UInt32 tableSize; - UInt32 counters[LZMA_NUM_PB_STATES_MAX]; -} CLenPriceEnc; - -typedef struct -{ - UInt32 range; - Byte cache; - UInt64 low; - UInt64 cacheSize; - Byte *buf; - Byte *bufLim; - Byte *bufBase; - ISeqOutStream *outStream; - UInt64 processed; - SRes res; -} CRangeEnc; - -typedef struct -{ - CLzmaProb *litProbs; - - CLzmaProb isMatch[kNumStates][LZMA_NUM_PB_STATES_MAX]; - CLzmaProb isRep[kNumStates]; - CLzmaProb isRepG0[kNumStates]; - CLzmaProb isRepG1[kNumStates]; - CLzmaProb isRepG2[kNumStates]; - CLzmaProb isRep0Long[kNumStates][LZMA_NUM_PB_STATES_MAX]; - - CLzmaProb posSlotEncoder[kNumLenToPosStates][1 << kNumPosSlotBits]; - CLzmaProb posEncoders[kNumFullDistances - kEndPosModelIndex]; - CLzmaProb posAlignEncoder[1 << kNumAlignBits]; - - CLenPriceEnc lenEnc; - CLenPriceEnc repLenEnc; - - UInt32 reps[LZMA_NUM_REPS]; - UInt32 state; -} CSaveState; - -typedef struct -{ - IMatchFinder matchFinder; - void *matchFinderObj; - - #ifndef _7ZIP_ST - Bool mtMode; - CMatchFinderMt matchFinderMt; - #endif - - CMatchFinder matchFinderBase; - - #ifndef _7ZIP_ST - Byte pad[128]; - #endif - - UInt32 optimumEndIndex; - UInt32 optimumCurrentIndex; - - UInt32 longestMatchLength; - UInt32 numPairs; - UInt32 numAvail; - COptimal opt[kNumOpts]; - - #ifndef LZMA_LOG_BSR - Byte g_FastPos[1 << kNumLogBits]; - #endif - - UInt32 ProbPrices[kBitModelTotal >> kNumMoveReducingBits]; - UInt32 matches[LZMA_MATCH_LEN_MAX * 2 + 2 + 1]; - UInt32 numFastBytes; - UInt32 additionalOffset; - UInt32 reps[LZMA_NUM_REPS]; - UInt32 state; - - UInt32 posSlotPrices[kNumLenToPosStates][kDistTableSizeMax]; - UInt32 distancesPrices[kNumLenToPosStates][kNumFullDistances]; - UInt32 alignPrices[kAlignTableSize]; - UInt32 alignPriceCount; - - UInt32 distTableSize; - - unsigned lc, lp, pb; - unsigned lpMask, pbMask; - - CLzmaProb *litProbs; - - CLzmaProb isMatch[kNumStates][LZMA_NUM_PB_STATES_MAX]; - CLzmaProb isRep[kNumStates]; - CLzmaProb isRepG0[kNumStates]; - CLzmaProb isRepG1[kNumStates]; - CLzmaProb isRepG2[kNumStates]; - CLzmaProb isRep0Long[kNumStates][LZMA_NUM_PB_STATES_MAX]; - - CLzmaProb posSlotEncoder[kNumLenToPosStates][1 << kNumPosSlotBits]; - CLzmaProb posEncoders[kNumFullDistances - kEndPosModelIndex]; - CLzmaProb posAlignEncoder[1 << kNumAlignBits]; - - CLenPriceEnc lenEnc; - CLenPriceEnc repLenEnc; - - unsigned lclp; - - Bool fastMode; - - CRangeEnc rc; - - Bool writeEndMark; - UInt64 nowPos64; - UInt32 matchPriceCount; - Bool finished; - Bool multiThread; - - SRes result; - UInt32 dictSize; - - int needInit; - - CSaveState saveState; -} CLzmaEnc; - -void LzmaEnc_SaveState(CLzmaEncHandle pp) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - CSaveState *dest = &p->saveState; - int i; - dest->lenEnc = p->lenEnc; - dest->repLenEnc = p->repLenEnc; - dest->state = p->state; - - for (i = 0; i < kNumStates; i++) - { - memcpy(dest->isMatch[i], p->isMatch[i], sizeof(p->isMatch[i])); - memcpy(dest->isRep0Long[i], p->isRep0Long[i], sizeof(p->isRep0Long[i])); - } - for (i = 0; i < kNumLenToPosStates; i++) - memcpy(dest->posSlotEncoder[i], p->posSlotEncoder[i], sizeof(p->posSlotEncoder[i])); - memcpy(dest->isRep, p->isRep, sizeof(p->isRep)); - memcpy(dest->isRepG0, p->isRepG0, sizeof(p->isRepG0)); - memcpy(dest->isRepG1, p->isRepG1, sizeof(p->isRepG1)); - memcpy(dest->isRepG2, p->isRepG2, sizeof(p->isRepG2)); - memcpy(dest->posEncoders, p->posEncoders, sizeof(p->posEncoders)); - memcpy(dest->posAlignEncoder, p->posAlignEncoder, sizeof(p->posAlignEncoder)); - memcpy(dest->reps, p->reps, sizeof(p->reps)); - memcpy(dest->litProbs, p->litProbs, (0x300 << p->lclp) * sizeof(CLzmaProb)); -} - -void LzmaEnc_RestoreState(CLzmaEncHandle pp) -{ - CLzmaEnc *dest = (CLzmaEnc *)pp; - const CSaveState *p = &dest->saveState; - int i; - dest->lenEnc = p->lenEnc; - dest->repLenEnc = p->repLenEnc; - dest->state = p->state; - - for (i = 0; i < kNumStates; i++) - { - memcpy(dest->isMatch[i], p->isMatch[i], sizeof(p->isMatch[i])); - memcpy(dest->isRep0Long[i], p->isRep0Long[i], sizeof(p->isRep0Long[i])); - } - for (i = 0; i < kNumLenToPosStates; i++) - memcpy(dest->posSlotEncoder[i], p->posSlotEncoder[i], sizeof(p->posSlotEncoder[i])); - memcpy(dest->isRep, p->isRep, sizeof(p->isRep)); - memcpy(dest->isRepG0, p->isRepG0, sizeof(p->isRepG0)); - memcpy(dest->isRepG1, p->isRepG1, sizeof(p->isRepG1)); - memcpy(dest->isRepG2, p->isRepG2, sizeof(p->isRepG2)); - memcpy(dest->posEncoders, p->posEncoders, sizeof(p->posEncoders)); - memcpy(dest->posAlignEncoder, p->posAlignEncoder, sizeof(p->posAlignEncoder)); - memcpy(dest->reps, p->reps, sizeof(p->reps)); - memcpy(dest->litProbs, p->litProbs, (0x300 << dest->lclp) * sizeof(CLzmaProb)); -} - -SRes LzmaEnc_SetProps(CLzmaEncHandle pp, const CLzmaEncProps *props2) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - CLzmaEncProps props = *props2; - LzmaEncProps_Normalize(&props); - - if (props.lc > LZMA_LC_MAX || props.lp > LZMA_LP_MAX || props.pb > LZMA_PB_MAX || - props.dictSize > ((UInt32)1 << kDicLogSizeMaxCompress) || props.dictSize > ((UInt32)1 << 30)) - return SZ_ERROR_PARAM; - p->dictSize = props.dictSize; - { - unsigned fb = props.fb; - if (fb < 5) - fb = 5; - if (fb > LZMA_MATCH_LEN_MAX) - fb = LZMA_MATCH_LEN_MAX; - p->numFastBytes = fb; - } - p->lc = props.lc; - p->lp = props.lp; - p->pb = props.pb; - p->fastMode = (props.algo == 0); - p->matchFinderBase.btMode = props.btMode; - { - UInt32 numHashBytes = 4; - if (props.btMode) - { - if (props.numHashBytes < 2) - numHashBytes = 2; - else if (props.numHashBytes < 4) - numHashBytes = props.numHashBytes; - } - p->matchFinderBase.numHashBytes = numHashBytes; - } - - p->matchFinderBase.cutValue = props.mc; - - p->writeEndMark = props.writeEndMark; - - #ifndef _7ZIP_ST - /* - if (newMultiThread != _multiThread) - { - ReleaseMatchFinder(); - _multiThread = newMultiThread; - } - */ - p->multiThread = (props.numThreads > 1); - #endif - - return SZ_OK; -} - -static const int kLiteralNextStates[kNumStates] = {0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 4, 5}; -static const int kMatchNextStates[kNumStates] = {7, 7, 7, 7, 7, 7, 7, 10, 10, 10, 10, 10}; -static const int kRepNextStates[kNumStates] = {8, 8, 8, 8, 8, 8, 8, 11, 11, 11, 11, 11}; -static const int kShortRepNextStates[kNumStates]= {9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11}; - -#define IsCharState(s) ((s) < 7) - -#define GetLenToPosState(len) (((len) < kNumLenToPosStates + 1) ? (len) - 2 : kNumLenToPosStates - 1) - -#define kInfinityPrice (1 << 30) - -static void RangeEnc_Construct(CRangeEnc *p) -{ - p->outStream = 0; - p->bufBase = 0; -} - -#define RangeEnc_GetProcessed(p) ((p)->processed + ((p)->buf - (p)->bufBase) + (p)->cacheSize) - -#define RC_BUF_SIZE (1 << 16) -static int RangeEnc_Alloc(CRangeEnc *p, ISzAlloc *alloc) -{ - if (p->bufBase == 0) - { - p->bufBase = (Byte *)alloc->Alloc(alloc, RC_BUF_SIZE); - if (p->bufBase == 0) - return 0; - p->bufLim = p->bufBase + RC_BUF_SIZE; - } - return 1; -} - -static void RangeEnc_Free(CRangeEnc *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->bufBase); - p->bufBase = 0; -} - -static void RangeEnc_Init(CRangeEnc *p) -{ - /* Stream.Init(); */ - p->low = 0; - p->range = 0xFFFFFFFF; - p->cacheSize = 1; - p->cache = 0; - - p->buf = p->bufBase; - - p->processed = 0; - p->res = SZ_OK; -} - -static void RangeEnc_FlushStream(CRangeEnc *p) -{ - size_t num; - if (p->res != SZ_OK) - return; - num = p->buf - p->bufBase; - if (num != p->outStream->Write(p->outStream, p->bufBase, num)) - p->res = SZ_ERROR_WRITE; - p->processed += num; - p->buf = p->bufBase; -} - -static void MY_FAST_CALL RangeEnc_ShiftLow(CRangeEnc *p) -{ - if ((UInt32)p->low < (UInt32)0xFF000000 || (unsigned)(p->low >> 32) != 0) - { - Byte temp = p->cache; - do - { - Byte *buf = p->buf; - *buf++ = (Byte)(temp + (Byte)(p->low >> 32)); - p->buf = buf; - if (buf == p->bufLim) - RangeEnc_FlushStream(p); - temp = 0xFF; - } - while (--p->cacheSize != 0); - p->cache = (Byte)((UInt32)p->low >> 24); - } - p->cacheSize++; - p->low = (UInt32)p->low << 8; -} - -static void RangeEnc_FlushData(CRangeEnc *p) -{ - int i; - for (i = 0; i < 5; i++) - RangeEnc_ShiftLow(p); -} - -static void RangeEnc_EncodeDirectBits(CRangeEnc *p, UInt32 value, unsigned numBits) -{ - do - { - p->range >>= 1; - p->low += p->range & (0 - ((value >> --numBits) & 1)); - if (p->range < kTopValue) - { - p->range <<= 8; - RangeEnc_ShiftLow(p); - } - } - while (numBits != 0); -} - -static void RangeEnc_EncodeBit(CRangeEnc *p, CLzmaProb *prob, UInt32 symbol) -{ - UInt32 ttt = *prob; - UInt32 newBound = (p->range >> kNumBitModelTotalBits) * ttt; - if (symbol == 0) - { - p->range = newBound; - ttt += (kBitModelTotal - ttt) >> kNumMoveBits; - } - else - { - p->low += newBound; - p->range -= newBound; - ttt -= ttt >> kNumMoveBits; - } - *prob = (CLzmaProb)ttt; - if (p->range < kTopValue) - { - p->range <<= 8; - RangeEnc_ShiftLow(p); - } -} - -static void LitEnc_Encode(CRangeEnc *p, CLzmaProb *probs, UInt32 symbol) -{ - symbol |= 0x100; - do - { - RangeEnc_EncodeBit(p, probs + (symbol >> 8), (symbol >> 7) & 1); - symbol <<= 1; - } - while (symbol < 0x10000); -} - -static void LitEnc_EncodeMatched(CRangeEnc *p, CLzmaProb *probs, UInt32 symbol, UInt32 matchByte) -{ - UInt32 offs = 0x100; - symbol |= 0x100; - do - { - matchByte <<= 1; - RangeEnc_EncodeBit(p, probs + (offs + (matchByte & offs) + (symbol >> 8)), (symbol >> 7) & 1); - symbol <<= 1; - offs &= ~(matchByte ^ symbol); - } - while (symbol < 0x10000); -} - -void LzmaEnc_InitPriceTables(UInt32 *ProbPrices) -{ - UInt32 i; - for (i = (1 << kNumMoveReducingBits) / 2; i < kBitModelTotal; i += (1 << kNumMoveReducingBits)) - { - const int kCyclesBits = kNumBitPriceShiftBits; - UInt32 w = i; - UInt32 bitCount = 0; - int j; - for (j = 0; j < kCyclesBits; j++) - { - w = w * w; - bitCount <<= 1; - while (w >= ((UInt32)1 << 16)) - { - w >>= 1; - bitCount++; - } - } - ProbPrices[i >> kNumMoveReducingBits] = ((kNumBitModelTotalBits << kCyclesBits) - 15 - bitCount); - } -} - - -#define GET_PRICE(prob, symbol) \ - p->ProbPrices[((prob) ^ (((-(int)(symbol))) & (kBitModelTotal - 1))) >> kNumMoveReducingBits]; - -#define GET_PRICEa(prob, symbol) \ - ProbPrices[((prob) ^ ((-((int)(symbol))) & (kBitModelTotal - 1))) >> kNumMoveReducingBits]; - -#define GET_PRICE_0(prob) p->ProbPrices[(prob) >> kNumMoveReducingBits] -#define GET_PRICE_1(prob) p->ProbPrices[((prob) ^ (kBitModelTotal - 1)) >> kNumMoveReducingBits] - -#define GET_PRICE_0a(prob) ProbPrices[(prob) >> kNumMoveReducingBits] -#define GET_PRICE_1a(prob) ProbPrices[((prob) ^ (kBitModelTotal - 1)) >> kNumMoveReducingBits] - -static UInt32 LitEnc_GetPrice(const CLzmaProb *probs, UInt32 symbol, UInt32 *ProbPrices) -{ - UInt32 price = 0; - symbol |= 0x100; - do - { - price += GET_PRICEa(probs[symbol >> 8], (symbol >> 7) & 1); - symbol <<= 1; - } - while (symbol < 0x10000); - return price; -} - -static UInt32 LitEnc_GetPriceMatched(const CLzmaProb *probs, UInt32 symbol, UInt32 matchByte, UInt32 *ProbPrices) -{ - UInt32 price = 0; - UInt32 offs = 0x100; - symbol |= 0x100; - do - { - matchByte <<= 1; - price += GET_PRICEa(probs[offs + (matchByte & offs) + (symbol >> 8)], (symbol >> 7) & 1); - symbol <<= 1; - offs &= ~(matchByte ^ symbol); - } - while (symbol < 0x10000); - return price; -} - - -static void RcTree_Encode(CRangeEnc *rc, CLzmaProb *probs, int numBitLevels, UInt32 symbol) -{ - UInt32 m = 1; - int i; - for (i = numBitLevels; i != 0;) - { - UInt32 bit; - i--; - bit = (symbol >> i) & 1; - RangeEnc_EncodeBit(rc, probs + m, bit); - m = (m << 1) | bit; - } -} - -static void RcTree_ReverseEncode(CRangeEnc *rc, CLzmaProb *probs, int numBitLevels, UInt32 symbol) -{ - UInt32 m = 1; - int i; - for (i = 0; i < numBitLevels; i++) - { - UInt32 bit = symbol & 1; - RangeEnc_EncodeBit(rc, probs + m, bit); - m = (m << 1) | bit; - symbol >>= 1; - } -} - -static UInt32 RcTree_GetPrice(const CLzmaProb *probs, int numBitLevels, UInt32 symbol, UInt32 *ProbPrices) -{ - UInt32 price = 0; - symbol |= (1 << numBitLevels); - while (symbol != 1) - { - price += GET_PRICEa(probs[symbol >> 1], symbol & 1); - symbol >>= 1; - } - return price; -} - -static UInt32 RcTree_ReverseGetPrice(const CLzmaProb *probs, int numBitLevels, UInt32 symbol, UInt32 *ProbPrices) -{ - UInt32 price = 0; - UInt32 m = 1; - int i; - for (i = numBitLevels; i != 0; i--) - { - UInt32 bit = symbol & 1; - symbol >>= 1; - price += GET_PRICEa(probs[m], bit); - m = (m << 1) | bit; - } - return price; -} - - -static void LenEnc_Init(CLenEnc *p) -{ - unsigned i; - p->choice = p->choice2 = kProbInitValue; - for (i = 0; i < (LZMA_NUM_PB_STATES_MAX << kLenNumLowBits); i++) - p->low[i] = kProbInitValue; - for (i = 0; i < (LZMA_NUM_PB_STATES_MAX << kLenNumMidBits); i++) - p->mid[i] = kProbInitValue; - for (i = 0; i < kLenNumHighSymbols; i++) - p->high[i] = kProbInitValue; -} - -static void LenEnc_Encode(CLenEnc *p, CRangeEnc *rc, UInt32 symbol, UInt32 posState) -{ - if (symbol < kLenNumLowSymbols) - { - RangeEnc_EncodeBit(rc, &p->choice, 0); - RcTree_Encode(rc, p->low + (posState << kLenNumLowBits), kLenNumLowBits, symbol); - } - else - { - RangeEnc_EncodeBit(rc, &p->choice, 1); - if (symbol < kLenNumLowSymbols + kLenNumMidSymbols) - { - RangeEnc_EncodeBit(rc, &p->choice2, 0); - RcTree_Encode(rc, p->mid + (posState << kLenNumMidBits), kLenNumMidBits, symbol - kLenNumLowSymbols); - } - else - { - RangeEnc_EncodeBit(rc, &p->choice2, 1); - RcTree_Encode(rc, p->high, kLenNumHighBits, symbol - kLenNumLowSymbols - kLenNumMidSymbols); - } - } -} - -static void LenEnc_SetPrices(CLenEnc *p, UInt32 posState, UInt32 numSymbols, UInt32 *prices, UInt32 *ProbPrices) -{ - UInt32 a0 = GET_PRICE_0a(p->choice); - UInt32 a1 = GET_PRICE_1a(p->choice); - UInt32 b0 = a1 + GET_PRICE_0a(p->choice2); - UInt32 b1 = a1 + GET_PRICE_1a(p->choice2); - UInt32 i = 0; - for (i = 0; i < kLenNumLowSymbols; i++) - { - if (i >= numSymbols) - return; - prices[i] = a0 + RcTree_GetPrice(p->low + (posState << kLenNumLowBits), kLenNumLowBits, i, ProbPrices); - } - for (; i < kLenNumLowSymbols + kLenNumMidSymbols; i++) - { - if (i >= numSymbols) - return; - prices[i] = b0 + RcTree_GetPrice(p->mid + (posState << kLenNumMidBits), kLenNumMidBits, i - kLenNumLowSymbols, ProbPrices); - } - for (; i < numSymbols; i++) - prices[i] = b1 + RcTree_GetPrice(p->high, kLenNumHighBits, i - kLenNumLowSymbols - kLenNumMidSymbols, ProbPrices); -} - -static void MY_FAST_CALL LenPriceEnc_UpdateTable(CLenPriceEnc *p, UInt32 posState, UInt32 *ProbPrices) -{ - LenEnc_SetPrices(&p->p, posState, p->tableSize, p->prices[posState], ProbPrices); - p->counters[posState] = p->tableSize; -} - -static void LenPriceEnc_UpdateTables(CLenPriceEnc *p, UInt32 numPosStates, UInt32 *ProbPrices) -{ - UInt32 posState; - for (posState = 0; posState < numPosStates; posState++) - LenPriceEnc_UpdateTable(p, posState, ProbPrices); -} - -static void LenEnc_Encode2(CLenPriceEnc *p, CRangeEnc *rc, UInt32 symbol, UInt32 posState, Bool updatePrice, UInt32 *ProbPrices) -{ - LenEnc_Encode(&p->p, rc, symbol, posState); - if (updatePrice) - if (--p->counters[posState] == 0) - LenPriceEnc_UpdateTable(p, posState, ProbPrices); -} - - - - -static void MovePos(CLzmaEnc *p, UInt32 num) -{ - #ifdef SHOW_STAT - g_STAT_OFFSET += num; - printf("\n MovePos %d", num); - #endif - - if (num != 0) - { - p->additionalOffset += num; - p->matchFinder.Skip(p->matchFinderObj, num); - } -} - -static UInt32 ReadMatchDistances(CLzmaEnc *p, UInt32 *numDistancePairsRes) -{ - UInt32 lenRes = 0, numPairs; - p->numAvail = p->matchFinder.GetNumAvailableBytes(p->matchFinderObj); - numPairs = p->matchFinder.GetMatches(p->matchFinderObj, p->matches); - - #ifdef SHOW_STAT - printf("\n i = %d numPairs = %d ", g_STAT_OFFSET, numPairs / 2); - g_STAT_OFFSET++; - { - UInt32 i; - for (i = 0; i < numPairs; i += 2) - printf("%2d %6d | ", p->matches[i], p->matches[i + 1]); - } - #endif - - if (numPairs > 0) - { - lenRes = p->matches[numPairs - 2]; - if (lenRes == p->numFastBytes) - { - const Byte *pby = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; - UInt32 distance = p->matches[numPairs - 1] + 1; - UInt32 numAvail = p->numAvail; - if (numAvail > LZMA_MATCH_LEN_MAX) - numAvail = LZMA_MATCH_LEN_MAX; - { - const Byte *pby2 = pby - distance; - for (; lenRes < numAvail && pby[lenRes] == pby2[lenRes]; lenRes++); - } - } - } - p->additionalOffset++; - *numDistancePairsRes = numPairs; - return lenRes; -} - - -#define MakeAsChar(p) (p)->backPrev = (UInt32)(-1); (p)->prev1IsChar = False; -#define MakeAsShortRep(p) (p)->backPrev = 0; (p)->prev1IsChar = False; -#define IsShortRep(p) ((p)->backPrev == 0) - -static UInt32 GetRepLen1Price(CLzmaEnc *p, UInt32 state, UInt32 posState) -{ - return - GET_PRICE_0(p->isRepG0[state]) + - GET_PRICE_0(p->isRep0Long[state][posState]); -} - -static UInt32 GetPureRepPrice(CLzmaEnc *p, UInt32 repIndex, UInt32 state, UInt32 posState) -{ - UInt32 price; - if (repIndex == 0) - { - price = GET_PRICE_0(p->isRepG0[state]); - price += GET_PRICE_1(p->isRep0Long[state][posState]); - } - else - { - price = GET_PRICE_1(p->isRepG0[state]); - if (repIndex == 1) - price += GET_PRICE_0(p->isRepG1[state]); - else - { - price += GET_PRICE_1(p->isRepG1[state]); - price += GET_PRICE(p->isRepG2[state], repIndex - 2); - } - } - return price; -} - -static UInt32 GetRepPrice(CLzmaEnc *p, UInt32 repIndex, UInt32 len, UInt32 state, UInt32 posState) -{ - return p->repLenEnc.prices[posState][len - LZMA_MATCH_LEN_MIN] + - GetPureRepPrice(p, repIndex, state, posState); -} - -static UInt32 Backward(CLzmaEnc *p, UInt32 *backRes, UInt32 cur) -{ - UInt32 posMem = p->opt[cur].posPrev; - UInt32 backMem = p->opt[cur].backPrev; - p->optimumEndIndex = cur; - do - { - if (p->opt[cur].prev1IsChar) - { - MakeAsChar(&p->opt[posMem]) - p->opt[posMem].posPrev = posMem - 1; - if (p->opt[cur].prev2) - { - p->opt[posMem - 1].prev1IsChar = False; - p->opt[posMem - 1].posPrev = p->opt[cur].posPrev2; - p->opt[posMem - 1].backPrev = p->opt[cur].backPrev2; - } - } - { - UInt32 posPrev = posMem; - UInt32 backCur = backMem; - - backMem = p->opt[posPrev].backPrev; - posMem = p->opt[posPrev].posPrev; - - p->opt[posPrev].backPrev = backCur; - p->opt[posPrev].posPrev = cur; - cur = posPrev; - } - } - while (cur != 0); - *backRes = p->opt[0].backPrev; - p->optimumCurrentIndex = p->opt[0].posPrev; - return p->optimumCurrentIndex; -} - -#define LIT_PROBS(pos, prevByte) (p->litProbs + ((((pos) & p->lpMask) << p->lc) + ((prevByte) >> (8 - p->lc))) * 0x300) - -static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes) -{ - UInt32 numAvail, mainLen, numPairs, repMaxIndex, i, posState, lenEnd, len, cur; - UInt32 matchPrice, repMatchPrice, normalMatchPrice; - UInt32 reps[LZMA_NUM_REPS], repLens[LZMA_NUM_REPS]; - UInt32 *matches; - const Byte *data; - Byte curByte, matchByte; - if (p->optimumEndIndex != p->optimumCurrentIndex) - { - const COptimal *opt = &p->opt[p->optimumCurrentIndex]; - UInt32 lenRes = opt->posPrev - p->optimumCurrentIndex; - *backRes = opt->backPrev; - p->optimumCurrentIndex = opt->posPrev; - return lenRes; - } - p->optimumCurrentIndex = p->optimumEndIndex = 0; - - if (p->additionalOffset == 0) - mainLen = ReadMatchDistances(p, &numPairs); - else - { - mainLen = p->longestMatchLength; - numPairs = p->numPairs; - } - - numAvail = p->numAvail; - if (numAvail < 2) - { - *backRes = (UInt32)(-1); - return 1; - } - if (numAvail > LZMA_MATCH_LEN_MAX) - numAvail = LZMA_MATCH_LEN_MAX; - - data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; - repMaxIndex = 0; - for (i = 0; i < LZMA_NUM_REPS; i++) - { - UInt32 lenTest; - const Byte *data2; - reps[i] = p->reps[i]; - data2 = data - (reps[i] + 1); - if (data[0] != data2[0] || data[1] != data2[1]) - { - repLens[i] = 0; - continue; - } - for (lenTest = 2; lenTest < numAvail && data[lenTest] == data2[lenTest]; lenTest++); - repLens[i] = lenTest; - if (lenTest > repLens[repMaxIndex]) - repMaxIndex = i; - } - if (repLens[repMaxIndex] >= p->numFastBytes) - { - UInt32 lenRes; - *backRes = repMaxIndex; - lenRes = repLens[repMaxIndex]; - MovePos(p, lenRes - 1); - return lenRes; - } - - matches = p->matches; - if (mainLen >= p->numFastBytes) - { - *backRes = matches[numPairs - 1] + LZMA_NUM_REPS; - MovePos(p, mainLen - 1); - return mainLen; - } - curByte = *data; - matchByte = *(data - (reps[0] + 1)); - - if (mainLen < 2 && curByte != matchByte && repLens[repMaxIndex] < 2) - { - *backRes = (UInt32)-1; - return 1; - } - - p->opt[0].state = (CState)p->state; - - posState = (position & p->pbMask); - - { - const CLzmaProb *probs = LIT_PROBS(position, *(data - 1)); - p->opt[1].price = GET_PRICE_0(p->isMatch[p->state][posState]) + - (!IsCharState(p->state) ? - LitEnc_GetPriceMatched(probs, curByte, matchByte, p->ProbPrices) : - LitEnc_GetPrice(probs, curByte, p->ProbPrices)); - } - - MakeAsChar(&p->opt[1]); - - matchPrice = GET_PRICE_1(p->isMatch[p->state][posState]); - repMatchPrice = matchPrice + GET_PRICE_1(p->isRep[p->state]); - - if (matchByte == curByte) - { - UInt32 shortRepPrice = repMatchPrice + GetRepLen1Price(p, p->state, posState); - if (shortRepPrice < p->opt[1].price) - { - p->opt[1].price = shortRepPrice; - MakeAsShortRep(&p->opt[1]); - } - } - lenEnd = ((mainLen >= repLens[repMaxIndex]) ? mainLen : repLens[repMaxIndex]); - - if (lenEnd < 2) - { - *backRes = p->opt[1].backPrev; - return 1; - } - - p->opt[1].posPrev = 0; - for (i = 0; i < LZMA_NUM_REPS; i++) - p->opt[0].backs[i] = reps[i]; - - len = lenEnd; - do - p->opt[len--].price = kInfinityPrice; - while (len >= 2); - - for (i = 0; i < LZMA_NUM_REPS; i++) - { - UInt32 repLen = repLens[i]; - UInt32 price; - if (repLen < 2) - continue; - price = repMatchPrice + GetPureRepPrice(p, i, p->state, posState); - do - { - UInt32 curAndLenPrice = price + p->repLenEnc.prices[posState][repLen - 2]; - COptimal *opt = &p->opt[repLen]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = 0; - opt->backPrev = i; - opt->prev1IsChar = False; - } - } - while (--repLen >= 2); - } - - normalMatchPrice = matchPrice + GET_PRICE_0(p->isRep[p->state]); - - len = ((repLens[0] >= 2) ? repLens[0] + 1 : 2); - if (len <= mainLen) - { - UInt32 offs = 0; - while (len > matches[offs]) - offs += 2; - for (; ; len++) - { - COptimal *opt; - UInt32 distance = matches[offs + 1]; - - UInt32 curAndLenPrice = normalMatchPrice + p->lenEnc.prices[posState][len - LZMA_MATCH_LEN_MIN]; - UInt32 lenToPosState = GetLenToPosState(len); - if (distance < kNumFullDistances) - curAndLenPrice += p->distancesPrices[lenToPosState][distance]; - else - { - UInt32 slot; - GetPosSlot2(distance, slot); - curAndLenPrice += p->alignPrices[distance & kAlignMask] + p->posSlotPrices[lenToPosState][slot]; - } - opt = &p->opt[len]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = 0; - opt->backPrev = distance + LZMA_NUM_REPS; - opt->prev1IsChar = False; - } - if (len == matches[offs]) - { - offs += 2; - if (offs == numPairs) - break; - } - } - } - - cur = 0; - - #ifdef SHOW_STAT2 - if (position >= 0) - { - unsigned i; - printf("\n pos = %4X", position); - for (i = cur; i <= lenEnd; i++) - printf("\nprice[%4X] = %d", position - cur + i, p->opt[i].price); - } - #endif - - for (;;) - { - UInt32 numAvailFull, newLen, numPairs, posPrev, state, posState, startLen; - UInt32 curPrice, curAnd1Price, matchPrice, repMatchPrice; - Bool nextIsChar; - Byte curByte, matchByte; - const Byte *data; - COptimal *curOpt; - COptimal *nextOpt; - - cur++; - if (cur == lenEnd) - return Backward(p, backRes, cur); - - newLen = ReadMatchDistances(p, &numPairs); - if (newLen >= p->numFastBytes) - { - p->numPairs = numPairs; - p->longestMatchLength = newLen; - return Backward(p, backRes, cur); - } - position++; - curOpt = &p->opt[cur]; - posPrev = curOpt->posPrev; - if (curOpt->prev1IsChar) - { - posPrev--; - if (curOpt->prev2) - { - state = p->opt[curOpt->posPrev2].state; - if (curOpt->backPrev2 < LZMA_NUM_REPS) - state = kRepNextStates[state]; - else - state = kMatchNextStates[state]; - } - else - state = p->opt[posPrev].state; - state = kLiteralNextStates[state]; - } - else - state = p->opt[posPrev].state; - if (posPrev == cur - 1) - { - if (IsShortRep(curOpt)) - state = kShortRepNextStates[state]; - else - state = kLiteralNextStates[state]; - } - else - { - UInt32 pos; - const COptimal *prevOpt; - if (curOpt->prev1IsChar && curOpt->prev2) - { - posPrev = curOpt->posPrev2; - pos = curOpt->backPrev2; - state = kRepNextStates[state]; - } - else - { - pos = curOpt->backPrev; - if (pos < LZMA_NUM_REPS) - state = kRepNextStates[state]; - else - state = kMatchNextStates[state]; - } - prevOpt = &p->opt[posPrev]; - if (pos < LZMA_NUM_REPS) - { - UInt32 i; - reps[0] = prevOpt->backs[pos]; - for (i = 1; i <= pos; i++) - reps[i] = prevOpt->backs[i - 1]; - for (; i < LZMA_NUM_REPS; i++) - reps[i] = prevOpt->backs[i]; - } - else - { - UInt32 i; - reps[0] = (pos - LZMA_NUM_REPS); - for (i = 1; i < LZMA_NUM_REPS; i++) - reps[i] = prevOpt->backs[i - 1]; - } - } - curOpt->state = (CState)state; - - curOpt->backs[0] = reps[0]; - curOpt->backs[1] = reps[1]; - curOpt->backs[2] = reps[2]; - curOpt->backs[3] = reps[3]; - - curPrice = curOpt->price; - nextIsChar = False; - data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; - curByte = *data; - matchByte = *(data - (reps[0] + 1)); - - posState = (position & p->pbMask); - - curAnd1Price = curPrice + GET_PRICE_0(p->isMatch[state][posState]); - { - const CLzmaProb *probs = LIT_PROBS(position, *(data - 1)); - curAnd1Price += - (!IsCharState(state) ? - LitEnc_GetPriceMatched(probs, curByte, matchByte, p->ProbPrices) : - LitEnc_GetPrice(probs, curByte, p->ProbPrices)); - } - - nextOpt = &p->opt[cur + 1]; - - if (curAnd1Price < nextOpt->price) - { - nextOpt->price = curAnd1Price; - nextOpt->posPrev = cur; - MakeAsChar(nextOpt); - nextIsChar = True; - } - - matchPrice = curPrice + GET_PRICE_1(p->isMatch[state][posState]); - repMatchPrice = matchPrice + GET_PRICE_1(p->isRep[state]); - - if (matchByte == curByte && !(nextOpt->posPrev < cur && nextOpt->backPrev == 0)) - { - UInt32 shortRepPrice = repMatchPrice + GetRepLen1Price(p, state, posState); - if (shortRepPrice <= nextOpt->price) - { - nextOpt->price = shortRepPrice; - nextOpt->posPrev = cur; - MakeAsShortRep(nextOpt); - nextIsChar = True; - } - } - numAvailFull = p->numAvail; - { - UInt32 temp = kNumOpts - 1 - cur; - if (temp < numAvailFull) - numAvailFull = temp; - } - - if (numAvailFull < 2) - continue; - numAvail = (numAvailFull <= p->numFastBytes ? numAvailFull : p->numFastBytes); - - if (!nextIsChar && matchByte != curByte) /* speed optimization */ - { - /* try Literal + rep0 */ - UInt32 temp; - UInt32 lenTest2; - const Byte *data2 = data - (reps[0] + 1); - UInt32 limit = p->numFastBytes + 1; - if (limit > numAvailFull) - limit = numAvailFull; - - for (temp = 1; temp < limit && data[temp] == data2[temp]; temp++); - lenTest2 = temp - 1; - if (lenTest2 >= 2) - { - UInt32 state2 = kLiteralNextStates[state]; - UInt32 posStateNext = (position + 1) & p->pbMask; - UInt32 nextRepMatchPrice = curAnd1Price + - GET_PRICE_1(p->isMatch[state2][posStateNext]) + - GET_PRICE_1(p->isRep[state2]); - /* for (; lenTest2 >= 2; lenTest2--) */ - { - UInt32 curAndLenPrice; - COptimal *opt; - UInt32 offset = cur + 1 + lenTest2; - while (lenEnd < offset) - p->opt[++lenEnd].price = kInfinityPrice; - curAndLenPrice = nextRepMatchPrice + GetRepPrice(p, 0, lenTest2, state2, posStateNext); - opt = &p->opt[offset]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = cur + 1; - opt->backPrev = 0; - opt->prev1IsChar = True; - opt->prev2 = False; - } - } - } - } - - startLen = 2; /* speed optimization */ - { - UInt32 repIndex; - for (repIndex = 0; repIndex < LZMA_NUM_REPS; repIndex++) - { - UInt32 lenTest; - UInt32 lenTestTemp; - UInt32 price; - const Byte *data2 = data - (reps[repIndex] + 1); - if (data[0] != data2[0] || data[1] != data2[1]) - continue; - for (lenTest = 2; lenTest < numAvail && data[lenTest] == data2[lenTest]; lenTest++); - while (lenEnd < cur + lenTest) - p->opt[++lenEnd].price = kInfinityPrice; - lenTestTemp = lenTest; - price = repMatchPrice + GetPureRepPrice(p, repIndex, state, posState); - do - { - UInt32 curAndLenPrice = price + p->repLenEnc.prices[posState][lenTest - 2]; - COptimal *opt = &p->opt[cur + lenTest]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = cur; - opt->backPrev = repIndex; - opt->prev1IsChar = False; - } - } - while (--lenTest >= 2); - lenTest = lenTestTemp; - - if (repIndex == 0) - startLen = lenTest + 1; - - /* if (_maxMode) */ - { - UInt32 lenTest2 = lenTest + 1; - UInt32 limit = lenTest2 + p->numFastBytes; - UInt32 nextRepMatchPrice; - if (limit > numAvailFull) - limit = numAvailFull; - for (; lenTest2 < limit && data[lenTest2] == data2[lenTest2]; lenTest2++); - lenTest2 -= lenTest + 1; - if (lenTest2 >= 2) - { - UInt32 state2 = kRepNextStates[state]; - UInt32 posStateNext = (position + lenTest) & p->pbMask; - UInt32 curAndLenCharPrice = - price + p->repLenEnc.prices[posState][lenTest - 2] + - GET_PRICE_0(p->isMatch[state2][posStateNext]) + - LitEnc_GetPriceMatched(LIT_PROBS(position + lenTest, data[lenTest - 1]), - data[lenTest], data2[lenTest], p->ProbPrices); - state2 = kLiteralNextStates[state2]; - posStateNext = (position + lenTest + 1) & p->pbMask; - nextRepMatchPrice = curAndLenCharPrice + - GET_PRICE_1(p->isMatch[state2][posStateNext]) + - GET_PRICE_1(p->isRep[state2]); - - /* for (; lenTest2 >= 2; lenTest2--) */ - { - UInt32 curAndLenPrice; - COptimal *opt; - UInt32 offset = cur + lenTest + 1 + lenTest2; - while (lenEnd < offset) - p->opt[++lenEnd].price = kInfinityPrice; - curAndLenPrice = nextRepMatchPrice + GetRepPrice(p, 0, lenTest2, state2, posStateNext); - opt = &p->opt[offset]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = cur + lenTest + 1; - opt->backPrev = 0; - opt->prev1IsChar = True; - opt->prev2 = True; - opt->posPrev2 = cur; - opt->backPrev2 = repIndex; - } - } - } - } - } - } - /* for (UInt32 lenTest = 2; lenTest <= newLen; lenTest++) */ - if (newLen > numAvail) - { - newLen = numAvail; - for (numPairs = 0; newLen > matches[numPairs]; numPairs += 2); - matches[numPairs] = newLen; - numPairs += 2; - } - if (newLen >= startLen) - { - UInt32 normalMatchPrice = matchPrice + GET_PRICE_0(p->isRep[state]); - UInt32 offs, curBack, posSlot; - UInt32 lenTest; - while (lenEnd < cur + newLen) - p->opt[++lenEnd].price = kInfinityPrice; - - offs = 0; - while (startLen > matches[offs]) - offs += 2; - curBack = matches[offs + 1]; - GetPosSlot2(curBack, posSlot); - for (lenTest = /*2*/ startLen; ; lenTest++) - { - UInt32 curAndLenPrice = normalMatchPrice + p->lenEnc.prices[posState][lenTest - LZMA_MATCH_LEN_MIN]; - UInt32 lenToPosState = GetLenToPosState(lenTest); - COptimal *opt; - if (curBack < kNumFullDistances) - curAndLenPrice += p->distancesPrices[lenToPosState][curBack]; - else - curAndLenPrice += p->posSlotPrices[lenToPosState][posSlot] + p->alignPrices[curBack & kAlignMask]; - - opt = &p->opt[cur + lenTest]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = cur; - opt->backPrev = curBack + LZMA_NUM_REPS; - opt->prev1IsChar = False; - } - - if (/*_maxMode && */lenTest == matches[offs]) - { - /* Try Match + Literal + Rep0 */ - const Byte *data2 = data - (curBack + 1); - UInt32 lenTest2 = lenTest + 1; - UInt32 limit = lenTest2 + p->numFastBytes; - UInt32 nextRepMatchPrice; - if (limit > numAvailFull) - limit = numAvailFull; - for (; lenTest2 < limit && data[lenTest2] == data2[lenTest2]; lenTest2++); - lenTest2 -= lenTest + 1; - if (lenTest2 >= 2) - { - UInt32 state2 = kMatchNextStates[state]; - UInt32 posStateNext = (position + lenTest) & p->pbMask; - UInt32 curAndLenCharPrice = curAndLenPrice + - GET_PRICE_0(p->isMatch[state2][posStateNext]) + - LitEnc_GetPriceMatched(LIT_PROBS(position + lenTest, data[lenTest - 1]), - data[lenTest], data2[lenTest], p->ProbPrices); - state2 = kLiteralNextStates[state2]; - posStateNext = (posStateNext + 1) & p->pbMask; - nextRepMatchPrice = curAndLenCharPrice + - GET_PRICE_1(p->isMatch[state2][posStateNext]) + - GET_PRICE_1(p->isRep[state2]); - - /* for (; lenTest2 >= 2; lenTest2--) */ - { - UInt32 offset = cur + lenTest + 1 + lenTest2; - UInt32 curAndLenPrice; - COptimal *opt; - while (lenEnd < offset) - p->opt[++lenEnd].price = kInfinityPrice; - curAndLenPrice = nextRepMatchPrice + GetRepPrice(p, 0, lenTest2, state2, posStateNext); - opt = &p->opt[offset]; - if (curAndLenPrice < opt->price) - { - opt->price = curAndLenPrice; - opt->posPrev = cur + lenTest + 1; - opt->backPrev = 0; - opt->prev1IsChar = True; - opt->prev2 = True; - opt->posPrev2 = cur; - opt->backPrev2 = curBack + LZMA_NUM_REPS; - } - } - } - offs += 2; - if (offs == numPairs) - break; - curBack = matches[offs + 1]; - if (curBack >= kNumFullDistances) - GetPosSlot2(curBack, posSlot); - } - } - } - } -} - -#define ChangePair(smallDist, bigDist) (((bigDist) >> 7) > (smallDist)) - -static UInt32 GetOptimumFast(CLzmaEnc *p, UInt32 *backRes) -{ - UInt32 numAvail, mainLen, mainDist, numPairs, repIndex, repLen, i; - const Byte *data; - const UInt32 *matches; - - if (p->additionalOffset == 0) - mainLen = ReadMatchDistances(p, &numPairs); - else - { - mainLen = p->longestMatchLength; - numPairs = p->numPairs; - } - - numAvail = p->numAvail; - *backRes = (UInt32)-1; - if (numAvail < 2) - return 1; - if (numAvail > LZMA_MATCH_LEN_MAX) - numAvail = LZMA_MATCH_LEN_MAX; - data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; - - repLen = repIndex = 0; - for (i = 0; i < LZMA_NUM_REPS; i++) - { - UInt32 len; - const Byte *data2 = data - (p->reps[i] + 1); - if (data[0] != data2[0] || data[1] != data2[1]) - continue; - for (len = 2; len < numAvail && data[len] == data2[len]; len++); - if (len >= p->numFastBytes) - { - *backRes = i; - MovePos(p, len - 1); - return len; - } - if (len > repLen) - { - repIndex = i; - repLen = len; - } - } - - matches = p->matches; - if (mainLen >= p->numFastBytes) - { - *backRes = matches[numPairs - 1] + LZMA_NUM_REPS; - MovePos(p, mainLen - 1); - return mainLen; - } - - mainDist = 0; /* for GCC */ - if (mainLen >= 2) - { - mainDist = matches[numPairs - 1]; - while (numPairs > 2 && mainLen == matches[numPairs - 4] + 1) - { - if (!ChangePair(matches[numPairs - 3], mainDist)) - break; - numPairs -= 2; - mainLen = matches[numPairs - 2]; - mainDist = matches[numPairs - 1]; - } - if (mainLen == 2 && mainDist >= 0x80) - mainLen = 1; - } - - if (repLen >= 2 && ( - (repLen + 1 >= mainLen) || - (repLen + 2 >= mainLen && mainDist >= (1 << 9)) || - (repLen + 3 >= mainLen && mainDist >= (1 << 15)))) - { - *backRes = repIndex; - MovePos(p, repLen - 1); - return repLen; - } - - if (mainLen < 2 || numAvail <= 2) - return 1; - - p->longestMatchLength = ReadMatchDistances(p, &p->numPairs); - if (p->longestMatchLength >= 2) - { - UInt32 newDistance = matches[p->numPairs - 1]; - if ((p->longestMatchLength >= mainLen && newDistance < mainDist) || - (p->longestMatchLength == mainLen + 1 && !ChangePair(mainDist, newDistance)) || - (p->longestMatchLength > mainLen + 1) || - (p->longestMatchLength + 1 >= mainLen && mainLen >= 3 && ChangePair(newDistance, mainDist))) - return 1; - } - - data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; - for (i = 0; i < LZMA_NUM_REPS; i++) - { - UInt32 len, limit; - const Byte *data2 = data - (p->reps[i] + 1); - if (data[0] != data2[0] || data[1] != data2[1]) - continue; - limit = mainLen - 1; - for (len = 2; len < limit && data[len] == data2[len]; len++); - if (len >= limit) - return 1; - } - *backRes = mainDist + LZMA_NUM_REPS; - MovePos(p, mainLen - 2); - return mainLen; -} - -static void WriteEndMarker(CLzmaEnc *p, UInt32 posState) -{ - UInt32 len; - RangeEnc_EncodeBit(&p->rc, &p->isMatch[p->state][posState], 1); - RangeEnc_EncodeBit(&p->rc, &p->isRep[p->state], 0); - p->state = kMatchNextStates[p->state]; - len = LZMA_MATCH_LEN_MIN; - LenEnc_Encode2(&p->lenEnc, &p->rc, len - LZMA_MATCH_LEN_MIN, posState, !p->fastMode, p->ProbPrices); - RcTree_Encode(&p->rc, p->posSlotEncoder[GetLenToPosState(len)], kNumPosSlotBits, (1 << kNumPosSlotBits) - 1); - RangeEnc_EncodeDirectBits(&p->rc, (((UInt32)1 << 30) - 1) >> kNumAlignBits, 30 - kNumAlignBits); - RcTree_ReverseEncode(&p->rc, p->posAlignEncoder, kNumAlignBits, kAlignMask); -} - -static SRes CheckErrors(CLzmaEnc *p) -{ - if (p->result != SZ_OK) - return p->result; - if (p->rc.res != SZ_OK) - p->result = SZ_ERROR_WRITE; - if (p->matchFinderBase.result != SZ_OK) - p->result = SZ_ERROR_READ; - if (p->result != SZ_OK) - p->finished = True; - return p->result; -} - -static SRes Flush(CLzmaEnc *p, UInt32 nowPos) -{ - /* ReleaseMFStream(); */ - p->finished = True; - if (p->writeEndMark) - WriteEndMarker(p, nowPos & p->pbMask); - RangeEnc_FlushData(&p->rc); - RangeEnc_FlushStream(&p->rc); - return CheckErrors(p); -} - -static void FillAlignPrices(CLzmaEnc *p) -{ - UInt32 i; - for (i = 0; i < kAlignTableSize; i++) - p->alignPrices[i] = RcTree_ReverseGetPrice(p->posAlignEncoder, kNumAlignBits, i, p->ProbPrices); - p->alignPriceCount = 0; -} - -static void FillDistancesPrices(CLzmaEnc *p) -{ - UInt32 tempPrices[kNumFullDistances]; - UInt32 i, lenToPosState; - for (i = kStartPosModelIndex; i < kNumFullDistances; i++) - { - UInt32 posSlot = GetPosSlot1(i); - UInt32 footerBits = ((posSlot >> 1) - 1); - UInt32 base = ((2 | (posSlot & 1)) << footerBits); - tempPrices[i] = RcTree_ReverseGetPrice(p->posEncoders + base - posSlot - 1, footerBits, i - base, p->ProbPrices); - } - - for (lenToPosState = 0; lenToPosState < kNumLenToPosStates; lenToPosState++) - { - UInt32 posSlot; - const CLzmaProb *encoder = p->posSlotEncoder[lenToPosState]; - UInt32 *posSlotPrices = p->posSlotPrices[lenToPosState]; - for (posSlot = 0; posSlot < p->distTableSize; posSlot++) - posSlotPrices[posSlot] = RcTree_GetPrice(encoder, kNumPosSlotBits, posSlot, p->ProbPrices); - for (posSlot = kEndPosModelIndex; posSlot < p->distTableSize; posSlot++) - posSlotPrices[posSlot] += ((((posSlot >> 1) - 1) - kNumAlignBits) << kNumBitPriceShiftBits); - - { - UInt32 *distancesPrices = p->distancesPrices[lenToPosState]; - UInt32 i; - for (i = 0; i < kStartPosModelIndex; i++) - distancesPrices[i] = posSlotPrices[i]; - for (; i < kNumFullDistances; i++) - distancesPrices[i] = posSlotPrices[GetPosSlot1(i)] + tempPrices[i]; - } - } - p->matchPriceCount = 0; -} - -void LzmaEnc_Construct(CLzmaEnc *p) -{ - RangeEnc_Construct(&p->rc); - MatchFinder_Construct(&p->matchFinderBase); - #ifndef _7ZIP_ST - MatchFinderMt_Construct(&p->matchFinderMt); - p->matchFinderMt.MatchFinder = &p->matchFinderBase; - #endif - - { - CLzmaEncProps props; - LzmaEncProps_Init(&props); - LzmaEnc_SetProps(p, &props); - } - - #ifndef LZMA_LOG_BSR - LzmaEnc_FastPosInit(p->g_FastPos); - #endif - - LzmaEnc_InitPriceTables(p->ProbPrices); - p->litProbs = 0; - p->saveState.litProbs = 0; -} - -CLzmaEncHandle LzmaEnc_Create(ISzAlloc *alloc) -{ - void *p; - p = alloc->Alloc(alloc, sizeof(CLzmaEnc)); - if (p != 0) - LzmaEnc_Construct((CLzmaEnc *)p); - return p; -} - -void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->litProbs); - alloc->Free(alloc, p->saveState.litProbs); - p->litProbs = 0; - p->saveState.litProbs = 0; -} - -void LzmaEnc_Destruct(CLzmaEnc *p, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - #ifndef _7ZIP_ST - MatchFinderMt_Destruct(&p->matchFinderMt, allocBig); - #endif - MatchFinder_Free(&p->matchFinderBase, allocBig); - LzmaEnc_FreeLits(p, alloc); - RangeEnc_Free(&p->rc, alloc); -} - -void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - LzmaEnc_Destruct((CLzmaEnc *)p, alloc, allocBig); - alloc->Free(alloc, p); -} - -static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, Bool useLimits, UInt32 maxPackSize, UInt32 maxUnpackSize) -{ - UInt32 nowPos32, startPos32; - if (p->needInit) - { - p->matchFinder.Init(p->matchFinderObj); - p->needInit = 0; - } - - if (p->finished) - return p->result; - RINOK(CheckErrors(p)); - - nowPos32 = (UInt32)p->nowPos64; - startPos32 = nowPos32; - - if (p->nowPos64 == 0) - { - UInt32 numPairs; - Byte curByte; - if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) == 0) - return Flush(p, nowPos32); - ReadMatchDistances(p, &numPairs); - RangeEnc_EncodeBit(&p->rc, &p->isMatch[p->state][0], 0); - p->state = kLiteralNextStates[p->state]; - curByte = p->matchFinder.GetIndexByte(p->matchFinderObj, 0 - p->additionalOffset); - LitEnc_Encode(&p->rc, p->litProbs, curByte); - p->additionalOffset--; - nowPos32++; - } - - if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) != 0) - for (;;) - { - UInt32 pos, len, posState; - - if (p->fastMode) - len = GetOptimumFast(p, &pos); - else - len = GetOptimum(p, nowPos32, &pos); - - #ifdef SHOW_STAT2 - printf("\n pos = %4X, len = %d pos = %d", nowPos32, len, pos); - #endif - - posState = nowPos32 & p->pbMask; - if (len == 1 && pos == (UInt32)-1) - { - Byte curByte; - CLzmaProb *probs; - const Byte *data; - - RangeEnc_EncodeBit(&p->rc, &p->isMatch[p->state][posState], 0); - data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset; - curByte = *data; - probs = LIT_PROBS(nowPos32, *(data - 1)); - if (IsCharState(p->state)) - LitEnc_Encode(&p->rc, probs, curByte); - else - LitEnc_EncodeMatched(&p->rc, probs, curByte, *(data - p->reps[0] - 1)); - p->state = kLiteralNextStates[p->state]; - } - else - { - RangeEnc_EncodeBit(&p->rc, &p->isMatch[p->state][posState], 1); - if (pos < LZMA_NUM_REPS) - { - RangeEnc_EncodeBit(&p->rc, &p->isRep[p->state], 1); - if (pos == 0) - { - RangeEnc_EncodeBit(&p->rc, &p->isRepG0[p->state], 0); - RangeEnc_EncodeBit(&p->rc, &p->isRep0Long[p->state][posState], ((len == 1) ? 0 : 1)); - } - else - { - UInt32 distance = p->reps[pos]; - RangeEnc_EncodeBit(&p->rc, &p->isRepG0[p->state], 1); - if (pos == 1) - RangeEnc_EncodeBit(&p->rc, &p->isRepG1[p->state], 0); - else - { - RangeEnc_EncodeBit(&p->rc, &p->isRepG1[p->state], 1); - RangeEnc_EncodeBit(&p->rc, &p->isRepG2[p->state], pos - 2); - if (pos == 3) - p->reps[3] = p->reps[2]; - p->reps[2] = p->reps[1]; - } - p->reps[1] = p->reps[0]; - p->reps[0] = distance; - } - if (len == 1) - p->state = kShortRepNextStates[p->state]; - else - { - LenEnc_Encode2(&p->repLenEnc, &p->rc, len - LZMA_MATCH_LEN_MIN, posState, !p->fastMode, p->ProbPrices); - p->state = kRepNextStates[p->state]; - } - } - else - { - UInt32 posSlot; - RangeEnc_EncodeBit(&p->rc, &p->isRep[p->state], 0); - p->state = kMatchNextStates[p->state]; - LenEnc_Encode2(&p->lenEnc, &p->rc, len - LZMA_MATCH_LEN_MIN, posState, !p->fastMode, p->ProbPrices); - pos -= LZMA_NUM_REPS; - GetPosSlot(pos, posSlot); - RcTree_Encode(&p->rc, p->posSlotEncoder[GetLenToPosState(len)], kNumPosSlotBits, posSlot); - - if (posSlot >= kStartPosModelIndex) - { - UInt32 footerBits = ((posSlot >> 1) - 1); - UInt32 base = ((2 | (posSlot & 1)) << footerBits); - UInt32 posReduced = pos - base; - - if (posSlot < kEndPosModelIndex) - RcTree_ReverseEncode(&p->rc, p->posEncoders + base - posSlot - 1, footerBits, posReduced); - else - { - RangeEnc_EncodeDirectBits(&p->rc, posReduced >> kNumAlignBits, footerBits - kNumAlignBits); - RcTree_ReverseEncode(&p->rc, p->posAlignEncoder, kNumAlignBits, posReduced & kAlignMask); - p->alignPriceCount++; - } - } - p->reps[3] = p->reps[2]; - p->reps[2] = p->reps[1]; - p->reps[1] = p->reps[0]; - p->reps[0] = pos; - p->matchPriceCount++; - } - } - p->additionalOffset -= len; - nowPos32 += len; - if (p->additionalOffset == 0) - { - UInt32 processed; - if (!p->fastMode) - { - if (p->matchPriceCount >= (1 << 7)) - FillDistancesPrices(p); - if (p->alignPriceCount >= kAlignTableSize) - FillAlignPrices(p); - } - if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) == 0) - break; - processed = nowPos32 - startPos32; - if (useLimits) - { - if (processed + kNumOpts + 300 >= maxUnpackSize || - RangeEnc_GetProcessed(&p->rc) + kNumOpts * 2 >= maxPackSize) - break; - } - else if (processed >= (1 << 15)) - { - p->nowPos64 += nowPos32 - startPos32; - return CheckErrors(p); - } - } - } - p->nowPos64 += nowPos32 - startPos32; - return Flush(p, nowPos32); -} - -#define kBigHashDicLimit ((UInt32)1 << 24) - -static SRes LzmaEnc_Alloc(CLzmaEnc *p, UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - UInt32 beforeSize = kNumOpts; - if (!RangeEnc_Alloc(&p->rc, alloc)) - return SZ_ERROR_MEM; - #ifndef _7ZIP_ST - p->mtMode = (p->multiThread && !p->fastMode && (p->matchFinderBase.btMode != 0)); - #endif - - { - unsigned lclp = p->lc + p->lp; - if (p->litProbs == 0 || p->saveState.litProbs == 0 || p->lclp != lclp) - { - LzmaEnc_FreeLits(p, alloc); - p->litProbs = (CLzmaProb *)alloc->Alloc(alloc, (0x300 << lclp) * sizeof(CLzmaProb)); - p->saveState.litProbs = (CLzmaProb *)alloc->Alloc(alloc, (0x300 << lclp) * sizeof(CLzmaProb)); - if (p->litProbs == 0 || p->saveState.litProbs == 0) - { - LzmaEnc_FreeLits(p, alloc); - return SZ_ERROR_MEM; - } - p->lclp = lclp; - } - } - - p->matchFinderBase.bigHash = (p->dictSize > kBigHashDicLimit); - - if (beforeSize + p->dictSize < keepWindowSize) - beforeSize = keepWindowSize - p->dictSize; - - #ifndef _7ZIP_ST - if (p->mtMode) - { - RINOK(MatchFinderMt_Create(&p->matchFinderMt, p->dictSize, beforeSize, p->numFastBytes, LZMA_MATCH_LEN_MAX, allocBig)); - p->matchFinderObj = &p->matchFinderMt; - MatchFinderMt_CreateVTable(&p->matchFinderMt, &p->matchFinder); - } - else - #endif - { - if (!MatchFinder_Create(&p->matchFinderBase, p->dictSize, beforeSize, p->numFastBytes, LZMA_MATCH_LEN_MAX, allocBig)) - return SZ_ERROR_MEM; - p->matchFinderObj = &p->matchFinderBase; - MatchFinder_CreateVTable(&p->matchFinderBase, &p->matchFinder); - } - return SZ_OK; -} - -void LzmaEnc_Init(CLzmaEnc *p) -{ - UInt32 i; - p->state = 0; - for (i = 0 ; i < LZMA_NUM_REPS; i++) - p->reps[i] = 0; - - RangeEnc_Init(&p->rc); - - - for (i = 0; i < kNumStates; i++) - { - UInt32 j; - for (j = 0; j < LZMA_NUM_PB_STATES_MAX; j++) - { - p->isMatch[i][j] = kProbInitValue; - p->isRep0Long[i][j] = kProbInitValue; - } - p->isRep[i] = kProbInitValue; - p->isRepG0[i] = kProbInitValue; - p->isRepG1[i] = kProbInitValue; - p->isRepG2[i] = kProbInitValue; - } - - { - UInt32 num = 0x300 << (p->lp + p->lc); - for (i = 0; i < num; i++) - p->litProbs[i] = kProbInitValue; - } - - { - for (i = 0; i < kNumLenToPosStates; i++) - { - CLzmaProb *probs = p->posSlotEncoder[i]; - UInt32 j; - for (j = 0; j < (1 << kNumPosSlotBits); j++) - probs[j] = kProbInitValue; - } - } - { - for (i = 0; i < kNumFullDistances - kEndPosModelIndex; i++) - p->posEncoders[i] = kProbInitValue; - } - - LenEnc_Init(&p->lenEnc.p); - LenEnc_Init(&p->repLenEnc.p); - - for (i = 0; i < (1 << kNumAlignBits); i++) - p->posAlignEncoder[i] = kProbInitValue; - - p->optimumEndIndex = 0; - p->optimumCurrentIndex = 0; - p->additionalOffset = 0; - - p->pbMask = (1 << p->pb) - 1; - p->lpMask = (1 << p->lp) - 1; -} - -void LzmaEnc_InitPrices(CLzmaEnc *p) -{ - if (!p->fastMode) - { - FillDistancesPrices(p); - FillAlignPrices(p); - } - - p->lenEnc.tableSize = - p->repLenEnc.tableSize = - p->numFastBytes + 1 - LZMA_MATCH_LEN_MIN; - LenPriceEnc_UpdateTables(&p->lenEnc, 1 << p->pb, p->ProbPrices); - LenPriceEnc_UpdateTables(&p->repLenEnc, 1 << p->pb, p->ProbPrices); -} - -static SRes LzmaEnc_AllocAndInit(CLzmaEnc *p, UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - UInt32 i; - for (i = 0; i < (UInt32)kDicLogSizeMaxCompress; i++) - if (p->dictSize <= ((UInt32)1 << i)) - break; - p->distTableSize = i * 2; - - p->finished = False; - p->result = SZ_OK; - RINOK(LzmaEnc_Alloc(p, keepWindowSize, alloc, allocBig)); - LzmaEnc_Init(p); - LzmaEnc_InitPrices(p); - p->nowPos64 = 0; - return SZ_OK; -} - -static SRes LzmaEnc_Prepare(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInStream *inStream, - ISzAlloc *alloc, ISzAlloc *allocBig) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - p->matchFinderBase.stream = inStream; - p->needInit = 1; - p->rc.outStream = outStream; - return LzmaEnc_AllocAndInit(p, 0, alloc, allocBig); -} - -SRes LzmaEnc_PrepareForLzma2(CLzmaEncHandle pp, - ISeqInStream *inStream, UInt32 keepWindowSize, - ISzAlloc *alloc, ISzAlloc *allocBig) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - p->matchFinderBase.stream = inStream; - p->needInit = 1; - return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig); -} - -static void LzmaEnc_SetInputBuf(CLzmaEnc *p, const Byte *src, SizeT srcLen) -{ - p->matchFinderBase.directInput = 1; - p->matchFinderBase.bufferBase = (Byte *)src; - p->matchFinderBase.directInputRem = srcLen; -} - -SRes LzmaEnc_MemPrepare(CLzmaEncHandle pp, const Byte *src, SizeT srcLen, - UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - LzmaEnc_SetInputBuf(p, src, srcLen); - p->needInit = 1; - - return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig); -} - -void LzmaEnc_Finish(CLzmaEncHandle pp) -{ - #ifndef _7ZIP_ST - CLzmaEnc *p = (CLzmaEnc *)pp; - if (p->mtMode) - MatchFinderMt_ReleaseStream(&p->matchFinderMt); - #else - pp = pp; - #endif -} - -typedef struct -{ - ISeqOutStream funcTable; - Byte *data; - SizeT rem; - Bool overflow; -} CSeqOutStreamBuf; - -static size_t MyWrite(void *pp, const void *data, size_t size) -{ - CSeqOutStreamBuf *p = (CSeqOutStreamBuf *)pp; - if (p->rem < size) - { - size = p->rem; - p->overflow = True; - } - memcpy(p->data, data, size); - p->rem -= size; - p->data += size; - return size; -} - - -UInt32 LzmaEnc_GetNumAvailableBytes(CLzmaEncHandle pp) -{ - const CLzmaEnc *p = (CLzmaEnc *)pp; - return p->matchFinder.GetNumAvailableBytes(p->matchFinderObj); -} - -const Byte *LzmaEnc_GetCurBuf(CLzmaEncHandle pp) -{ - const CLzmaEnc *p = (CLzmaEnc *)pp; - return p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset; -} - -SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit, - Byte *dest, size_t *destLen, UInt32 desiredPackSize, UInt32 *unpackSize) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - UInt64 nowPos64; - SRes res; - CSeqOutStreamBuf outStream; - - outStream.funcTable.Write = MyWrite; - outStream.data = dest; - outStream.rem = *destLen; - outStream.overflow = False; - - p->writeEndMark = False; - p->finished = False; - p->result = SZ_OK; - - if (reInit) - LzmaEnc_Init(p); - LzmaEnc_InitPrices(p); - nowPos64 = p->nowPos64; - RangeEnc_Init(&p->rc); - p->rc.outStream = &outStream.funcTable; - - res = LzmaEnc_CodeOneBlock(p, True, desiredPackSize, *unpackSize); - - *unpackSize = (UInt32)(p->nowPos64 - nowPos64); - *destLen -= outStream.rem; - if (outStream.overflow) - return SZ_ERROR_OUTPUT_EOF; - - return res; -} - -static SRes LzmaEnc_Encode2(CLzmaEnc *p, ICompressProgress *progress) -{ - SRes res = SZ_OK; - - #ifndef _7ZIP_ST - Byte allocaDummy[0x300]; - allocaDummy[0] = 0; - allocaDummy[1] = allocaDummy[0]; - #endif - - for (;;) - { - res = LzmaEnc_CodeOneBlock(p, False, 0, 0); - if (res != SZ_OK || p->finished != 0) - break; - if (progress != 0) - { - res = progress->Progress(progress, p->nowPos64, RangeEnc_GetProcessed(&p->rc)); - if (res != SZ_OK) - { - res = SZ_ERROR_PROGRESS; - break; - } - } - } - LzmaEnc_Finish(p); - return res; -} - -SRes LzmaEnc_Encode(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInStream *inStream, ICompressProgress *progress, - ISzAlloc *alloc, ISzAlloc *allocBig) -{ - RINOK(LzmaEnc_Prepare(pp, outStream, inStream, alloc, allocBig)); - return LzmaEnc_Encode2((CLzmaEnc *)pp, progress); -} - -SRes LzmaEnc_WriteProperties(CLzmaEncHandle pp, Byte *props, SizeT *size) -{ - CLzmaEnc *p = (CLzmaEnc *)pp; - int i; - UInt32 dictSize = p->dictSize; - if (*size < LZMA_PROPS_SIZE) - return SZ_ERROR_PARAM; - *size = LZMA_PROPS_SIZE; - props[0] = (Byte)((p->pb * 5 + p->lp) * 9 + p->lc); - - for (i = 11; i <= 30; i++) - { - if (dictSize <= ((UInt32)2 << i)) - { - dictSize = (2 << i); - break; - } - if (dictSize <= ((UInt32)3 << i)) - { - dictSize = (3 << i); - break; - } - } - - for (i = 0; i < 4; i++) - props[1 + i] = (Byte)(dictSize >> (8 * i)); - return SZ_OK; -} - -SRes LzmaEnc_MemEncode(CLzmaEncHandle pp, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, - int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - SRes res; - CLzmaEnc *p = (CLzmaEnc *)pp; - - CSeqOutStreamBuf outStream; - - LzmaEnc_SetInputBuf(p, src, srcLen); - - outStream.funcTable.Write = MyWrite; - outStream.data = dest; - outStream.rem = *destLen; - outStream.overflow = False; - - p->writeEndMark = writeEndMark; - - p->rc.outStream = &outStream.funcTable; - res = LzmaEnc_MemPrepare(pp, src, srcLen, 0, alloc, allocBig); - if (res == SZ_OK) - res = LzmaEnc_Encode2(p, progress); - - *destLen -= outStream.rem; - if (outStream.overflow) - return SZ_ERROR_OUTPUT_EOF; - return res; -} - -SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, - const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark, - ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig) -{ - CLzmaEnc *p = (CLzmaEnc *)LzmaEnc_Create(alloc); - SRes res; - if (p == 0) - return SZ_ERROR_MEM; - - res = LzmaEnc_SetProps(p, props); - if (res == SZ_OK) - { - res = LzmaEnc_WriteProperties(p, propsEncoded, propsSize); - if (res == SZ_OK) - res = LzmaEnc_MemEncode(p, dest, destLen, src, srcLen, - writeEndMark, progress, alloc, allocBig); - } - - LzmaEnc_Destroy(p, alloc, allocBig); - return res; -} diff --git a/src/libs/7zip/win/C/LzmaEnc.h b/src/libs/7zip/win/C/LzmaEnc.h deleted file mode 100644 index cffe220bb..000000000 --- a/src/libs/7zip/win/C/LzmaEnc.h +++ /dev/null @@ -1,78 +0,0 @@ -/* LzmaEnc.h -- LZMA Encoder -2013-01-18 : Igor Pavlov : Public domain */ - -#ifndef __LZMA_ENC_H -#define __LZMA_ENC_H - -#include "7zTypes.h" - -EXTERN_C_BEGIN - -#define LZMA_PROPS_SIZE 5 - -typedef struct _CLzmaEncProps -{ - int level; /* 0 <= level <= 9 */ - UInt32 dictSize; /* (1 << 12) <= dictSize <= (1 << 27) for 32-bit version - (1 << 12) <= dictSize <= (1 << 30) for 64-bit version - default = (1 << 24) */ - UInt64 reduceSize; /* estimated size of data that will be compressed. default = 0xFFFFFFFF. - Encoder uses this value to reduce dictionary size */ - int lc; /* 0 <= lc <= 8, default = 3 */ - int lp; /* 0 <= lp <= 4, default = 0 */ - int pb; /* 0 <= pb <= 4, default = 2 */ - int algo; /* 0 - fast, 1 - normal, default = 1 */ - int fb; /* 5 <= fb <= 273, default = 32 */ - int btMode; /* 0 - hashChain Mode, 1 - binTree mode - normal, default = 1 */ - int numHashBytes; /* 2, 3 or 4, default = 4 */ - UInt32 mc; /* 1 <= mc <= (1 << 30), default = 32 */ - unsigned writeEndMark; /* 0 - do not write EOPM, 1 - write EOPM, default = 0 */ - int numThreads; /* 1 or 2, default = 2 */ -} CLzmaEncProps; - -void LzmaEncProps_Init(CLzmaEncProps *p); -void LzmaEncProps_Normalize(CLzmaEncProps *p); -UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2); - - -/* ---------- CLzmaEncHandle Interface ---------- */ - -/* LzmaEnc_* functions can return the following exit codes: -Returns: - SZ_OK - OK - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_PARAM - Incorrect paramater in props - SZ_ERROR_WRITE - Write callback error. - SZ_ERROR_PROGRESS - some break from progress callback - SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version) -*/ - -typedef void * CLzmaEncHandle; - -CLzmaEncHandle LzmaEnc_Create(ISzAlloc *alloc); -void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig); -SRes LzmaEnc_SetProps(CLzmaEncHandle p, const CLzmaEncProps *props); -SRes LzmaEnc_WriteProperties(CLzmaEncHandle p, Byte *properties, SizeT *size); -SRes LzmaEnc_Encode(CLzmaEncHandle p, ISeqOutStream *outStream, ISeqInStream *inStream, - ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); -SRes LzmaEnc_MemEncode(CLzmaEncHandle p, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, - int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); - -/* ---------- One Call Interface ---------- */ - -/* LzmaEncode -Return code: - SZ_OK - OK - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_PARAM - Incorrect paramater - SZ_ERROR_OUTPUT_EOF - output buffer overflow - SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version) -*/ - -SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, - const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark, - ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/MtCoder.c b/src/libs/7zip/win/C/MtCoder.c deleted file mode 100644 index 3d4dd2d14..000000000 --- a/src/libs/7zip/win/C/MtCoder.c +++ /dev/null @@ -1,329 +0,0 @@ -/* MtCoder.c -- Multi-thread Coder -2010-09-24 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include <stdio.h> - -#include "MtCoder.h" - -void LoopThread_Construct(CLoopThread *p) -{ - Thread_Construct(&p->thread); - Event_Construct(&p->startEvent); - Event_Construct(&p->finishedEvent); -} - -void LoopThread_Close(CLoopThread *p) -{ - Thread_Close(&p->thread); - Event_Close(&p->startEvent); - Event_Close(&p->finishedEvent); -} - -static THREAD_FUNC_RET_TYPE THREAD_FUNC_CALL_TYPE LoopThreadFunc(void *pp) -{ - CLoopThread *p = (CLoopThread *)pp; - for (;;) - { - if (Event_Wait(&p->startEvent) != 0) - return SZ_ERROR_THREAD; - if (p->stop) - return 0; - p->res = p->func(p->param); - if (Event_Set(&p->finishedEvent) != 0) - return SZ_ERROR_THREAD; - } -} - -WRes LoopThread_Create(CLoopThread *p) -{ - p->stop = 0; - RINOK(AutoResetEvent_CreateNotSignaled(&p->startEvent)); - RINOK(AutoResetEvent_CreateNotSignaled(&p->finishedEvent)); - return Thread_Create(&p->thread, LoopThreadFunc, p); -} - -WRes LoopThread_StopAndWait(CLoopThread *p) -{ - p->stop = 1; - if (Event_Set(&p->startEvent) != 0) - return SZ_ERROR_THREAD; - return Thread_Wait(&p->thread); -} - -WRes LoopThread_StartSubThread(CLoopThread *p) { return Event_Set(&p->startEvent); } -WRes LoopThread_WaitSubThread(CLoopThread *p) { return Event_Wait(&p->finishedEvent); } - -static SRes Progress(ICompressProgress *p, UInt64 inSize, UInt64 outSize) -{ - return (p && p->Progress(p, inSize, outSize) != SZ_OK) ? SZ_ERROR_PROGRESS : SZ_OK; -} - -static void MtProgress_Init(CMtProgress *p, ICompressProgress *progress) -{ - unsigned i; - for (i = 0; i < NUM_MT_CODER_THREADS_MAX; i++) - p->inSizes[i] = p->outSizes[i] = 0; - p->totalInSize = p->totalOutSize = 0; - p->progress = progress; - p->res = SZ_OK; -} - -static void MtProgress_Reinit(CMtProgress *p, unsigned index) -{ - p->inSizes[index] = 0; - p->outSizes[index] = 0; -} - -#define UPDATE_PROGRESS(size, prev, total) \ - if (size != (UInt64)(Int64)-1) { total += size - prev; prev = size; } - -SRes MtProgress_Set(CMtProgress *p, unsigned index, UInt64 inSize, UInt64 outSize) -{ - SRes res; - CriticalSection_Enter(&p->cs); - UPDATE_PROGRESS(inSize, p->inSizes[index], p->totalInSize) - UPDATE_PROGRESS(outSize, p->outSizes[index], p->totalOutSize) - if (p->res == SZ_OK) - p->res = Progress(p->progress, p->totalInSize, p->totalOutSize); - res = p->res; - CriticalSection_Leave(&p->cs); - return res; -} - -static void MtProgress_SetError(CMtProgress *p, SRes res) -{ - CriticalSection_Enter(&p->cs); - if (p->res == SZ_OK) - p->res = res; - CriticalSection_Leave(&p->cs); -} - -static void MtCoder_SetError(CMtCoder* p, SRes res) -{ - CriticalSection_Enter(&p->cs); - if (p->res == SZ_OK) - p->res = res; - CriticalSection_Leave(&p->cs); -} - -/* ---------- MtThread ---------- */ - -void CMtThread_Construct(CMtThread *p, CMtCoder *mtCoder) -{ - p->mtCoder = mtCoder; - p->outBuf = 0; - p->inBuf = 0; - Event_Construct(&p->canRead); - Event_Construct(&p->canWrite); - LoopThread_Construct(&p->thread); -} - -#define RINOK_THREAD(x) { if((x) != 0) return SZ_ERROR_THREAD; } - -static void CMtThread_CloseEvents(CMtThread *p) -{ - Event_Close(&p->canRead); - Event_Close(&p->canWrite); -} - -static void CMtThread_Destruct(CMtThread *p) -{ - CMtThread_CloseEvents(p); - - if (Thread_WasCreated(&p->thread.thread)) - { - LoopThread_StopAndWait(&p->thread); - LoopThread_Close(&p->thread); - } - - if (p->mtCoder->alloc) - IAlloc_Free(p->mtCoder->alloc, p->outBuf); - p->outBuf = 0; - - if (p->mtCoder->alloc) - IAlloc_Free(p->mtCoder->alloc, p->inBuf); - p->inBuf = 0; -} - -#define MY_BUF_ALLOC(buf, size, newSize) \ - if (buf == 0 || size != newSize) \ - { IAlloc_Free(p->mtCoder->alloc, buf); \ - size = newSize; buf = (Byte *)IAlloc_Alloc(p->mtCoder->alloc, size); \ - if (buf == 0) return SZ_ERROR_MEM; } - -static SRes CMtThread_Prepare(CMtThread *p) -{ - MY_BUF_ALLOC(p->inBuf, p->inBufSize, p->mtCoder->blockSize) - MY_BUF_ALLOC(p->outBuf, p->outBufSize, p->mtCoder->destBlockSize) - - p->stopReading = False; - p->stopWriting = False; - RINOK_THREAD(AutoResetEvent_CreateNotSignaled(&p->canRead)); - RINOK_THREAD(AutoResetEvent_CreateNotSignaled(&p->canWrite)); - - return SZ_OK; -} - -static SRes FullRead(ISeqInStream *stream, Byte *data, size_t *processedSize) -{ - size_t size = *processedSize; - *processedSize = 0; - while (size != 0) - { - size_t curSize = size; - SRes res = stream->Read(stream, data, &curSize); - *processedSize += curSize; - data += curSize; - size -= curSize; - RINOK(res); - if (curSize == 0) - return SZ_OK; - } - return SZ_OK; -} - -#define GET_NEXT_THREAD(p) &p->mtCoder->threads[p->index == p->mtCoder->numThreads - 1 ? 0 : p->index + 1] - -static SRes MtThread_Process(CMtThread *p, Bool *stop) -{ - CMtThread *next; - *stop = True; - if (Event_Wait(&p->canRead) != 0) - return SZ_ERROR_THREAD; - - next = GET_NEXT_THREAD(p); - - if (p->stopReading) - { - next->stopReading = True; - return Event_Set(&next->canRead) == 0 ? SZ_OK : SZ_ERROR_THREAD; - } - - { - size_t size = p->mtCoder->blockSize; - size_t destSize = p->outBufSize; - - RINOK(FullRead(p->mtCoder->inStream, p->inBuf, &size)); - next->stopReading = *stop = (size != p->mtCoder->blockSize); - if (Event_Set(&next->canRead) != 0) - return SZ_ERROR_THREAD; - - RINOK(p->mtCoder->mtCallback->Code(p->mtCoder->mtCallback, p->index, - p->outBuf, &destSize, p->inBuf, size, *stop)); - - MtProgress_Reinit(&p->mtCoder->mtProgress, p->index); - - if (Event_Wait(&p->canWrite) != 0) - return SZ_ERROR_THREAD; - if (p->stopWriting) - return SZ_ERROR_FAIL; - if (p->mtCoder->outStream->Write(p->mtCoder->outStream, p->outBuf, destSize) != destSize) - return SZ_ERROR_WRITE; - return Event_Set(&next->canWrite) == 0 ? SZ_OK : SZ_ERROR_THREAD; - } -} - -static THREAD_FUNC_RET_TYPE THREAD_FUNC_CALL_TYPE ThreadFunc(void *pp) -{ - CMtThread *p = (CMtThread *)pp; - for (;;) - { - Bool stop; - CMtThread *next = GET_NEXT_THREAD(p); - SRes res = MtThread_Process(p, &stop); - if (res != SZ_OK) - { - MtCoder_SetError(p->mtCoder, res); - MtProgress_SetError(&p->mtCoder->mtProgress, res); - next->stopReading = True; - next->stopWriting = True; - Event_Set(&next->canRead); - Event_Set(&next->canWrite); - return res; - } - if (stop) - return 0; - } -} - -void MtCoder_Construct(CMtCoder* p) -{ - unsigned i; - p->alloc = 0; - for (i = 0; i < NUM_MT_CODER_THREADS_MAX; i++) - { - CMtThread *t = &p->threads[i]; - t->index = i; - CMtThread_Construct(t, p); - } - CriticalSection_Init(&p->cs); - CriticalSection_Init(&p->mtProgress.cs); -} - -void MtCoder_Destruct(CMtCoder* p) -{ - unsigned i; - for (i = 0; i < NUM_MT_CODER_THREADS_MAX; i++) - CMtThread_Destruct(&p->threads[i]); - CriticalSection_Delete(&p->cs); - CriticalSection_Delete(&p->mtProgress.cs); -} - -SRes MtCoder_Code(CMtCoder *p) -{ - unsigned i, numThreads = p->numThreads; - SRes res = SZ_OK; - p->res = SZ_OK; - - MtProgress_Init(&p->mtProgress, p->progress); - - for (i = 0; i < numThreads; i++) - { - RINOK(CMtThread_Prepare(&p->threads[i])); - } - - for (i = 0; i < numThreads; i++) - { - CMtThread *t = &p->threads[i]; - CLoopThread *lt = &t->thread; - - if (!Thread_WasCreated(<->thread)) - { - lt->func = ThreadFunc; - lt->param = t; - - if (LoopThread_Create(lt) != SZ_OK) - { - res = SZ_ERROR_THREAD; - break; - } - } - } - - if (res == SZ_OK) - { - unsigned j; - for (i = 0; i < numThreads; i++) - { - CMtThread *t = &p->threads[i]; - if (LoopThread_StartSubThread(&t->thread) != SZ_OK) - { - res = SZ_ERROR_THREAD; - p->threads[0].stopReading = True; - break; - } - } - - Event_Set(&p->threads[0].canWrite); - Event_Set(&p->threads[0].canRead); - - for (j = 0; j < i; j++) - LoopThread_WaitSubThread(&p->threads[j].thread); - } - - for (i = 0; i < numThreads; i++) - CMtThread_CloseEvents(&p->threads[i]); - return (res == SZ_OK) ? p->res : res; -} diff --git a/src/libs/7zip/win/C/MtCoder.h b/src/libs/7zip/win/C/MtCoder.h deleted file mode 100644 index e2cbdc3ab..000000000 --- a/src/libs/7zip/win/C/MtCoder.h +++ /dev/null @@ -1,98 +0,0 @@ -/* MtCoder.h -- Multi-thread Coder -2009-11-19 : Igor Pavlov : Public domain */ - -#ifndef __MT_CODER_H -#define __MT_CODER_H - -#include "Threads.h" - -EXTERN_C_BEGIN - -typedef struct -{ - CThread thread; - CAutoResetEvent startEvent; - CAutoResetEvent finishedEvent; - int stop; - - THREAD_FUNC_TYPE func; - LPVOID param; - THREAD_FUNC_RET_TYPE res; -} CLoopThread; - -void LoopThread_Construct(CLoopThread *p); -void LoopThread_Close(CLoopThread *p); -WRes LoopThread_Create(CLoopThread *p); -WRes LoopThread_StopAndWait(CLoopThread *p); -WRes LoopThread_StartSubThread(CLoopThread *p); -WRes LoopThread_WaitSubThread(CLoopThread *p); - -#ifndef _7ZIP_ST -#define NUM_MT_CODER_THREADS_MAX 32 -#else -#define NUM_MT_CODER_THREADS_MAX 1 -#endif - -typedef struct -{ - UInt64 totalInSize; - UInt64 totalOutSize; - ICompressProgress *progress; - SRes res; - CCriticalSection cs; - UInt64 inSizes[NUM_MT_CODER_THREADS_MAX]; - UInt64 outSizes[NUM_MT_CODER_THREADS_MAX]; -} CMtProgress; - -SRes MtProgress_Set(CMtProgress *p, unsigned index, UInt64 inSize, UInt64 outSize); - -struct _CMtCoder; - -typedef struct -{ - struct _CMtCoder *mtCoder; - Byte *outBuf; - size_t outBufSize; - Byte *inBuf; - size_t inBufSize; - unsigned index; - CLoopThread thread; - - Bool stopReading; - Bool stopWriting; - CAutoResetEvent canRead; - CAutoResetEvent canWrite; -} CMtThread; - -typedef struct -{ - SRes (*Code)(void *p, unsigned index, Byte *dest, size_t *destSize, - const Byte *src, size_t srcSize, int finished); -} IMtCoderCallback; - -typedef struct _CMtCoder -{ - size_t blockSize; - size_t destBlockSize; - unsigned numThreads; - - ISeqInStream *inStream; - ISeqOutStream *outStream; - ICompressProgress *progress; - ISzAlloc *alloc; - - IMtCoderCallback *mtCallback; - CCriticalSection cs; - SRes res; - - CMtProgress mtProgress; - CMtThread threads[NUM_MT_CODER_THREADS_MAX]; -} CMtCoder; - -void MtCoder_Construct(CMtCoder* p); -void MtCoder_Destruct(CMtCoder* p); -SRes MtCoder_Code(CMtCoder *p); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/Precomp.h b/src/libs/7zip/win/C/Precomp.h deleted file mode 100644 index e8ff8b40e..000000000 --- a/src/libs/7zip/win/C/Precomp.h +++ /dev/null @@ -1,10 +0,0 @@ -/* Precomp.h -- StdAfx -2013-11-12 : Igor Pavlov : Public domain */ - -#ifndef __7Z_PRECOMP_H -#define __7Z_PRECOMP_H - -#include "Compiler.h" -/* #include "7zTypes.h" */ - -#endif diff --git a/src/libs/7zip/win/C/RotateDefs.h b/src/libs/7zip/win/C/RotateDefs.h deleted file mode 100644 index 1b83e5ea1..000000000 --- a/src/libs/7zip/win/C/RotateDefs.h +++ /dev/null @@ -1,26 +0,0 @@ -/* RotateDefs.h -- Rotate functions -2013-11-12 : Igor Pavlov : Public domain */ - -#ifndef __ROTATE_DEFS_H -#define __ROTATE_DEFS_H - -#ifdef _MSC_VER - -#include <stdlib.h> - -// #if (_MSC_VER >= 1200) -#pragma intrinsic(_rotl) -#pragma intrinsic(_rotr) -// #endif - -#define rotlFixed(x, n) _rotl((x), (n)) -#define rotrFixed(x, n) _rotr((x), (n)) - -#else - -#define rotlFixed(x, n) (((x) << (n)) | ((x) >> (32 - (n)))) -#define rotrFixed(x, n) (((x) >> (n)) | ((x) << (32 - (n)))) - -#endif - -#endif diff --git a/src/libs/7zip/win/C/Sha256.c b/src/libs/7zip/win/C/Sha256.c deleted file mode 100644 index 10df0874f..000000000 --- a/src/libs/7zip/win/C/Sha256.c +++ /dev/null @@ -1,206 +0,0 @@ -/* Crypto/Sha256.c -- SHA-256 Hash -2010-06-11 : Igor Pavlov : Public domain -This code is based on public domain code from Wei Dai's Crypto++ library. */ - -#include "Precomp.h" - -#include "RotateDefs.h" -#include "Sha256.h" - -/* define it for speed optimization */ -/* #define _SHA256_UNROLL */ -/* #define _SHA256_UNROLL2 */ - -void Sha256_Init(CSha256 *p) -{ - p->state[0] = 0x6a09e667; - p->state[1] = 0xbb67ae85; - p->state[2] = 0x3c6ef372; - p->state[3] = 0xa54ff53a; - p->state[4] = 0x510e527f; - p->state[5] = 0x9b05688c; - p->state[6] = 0x1f83d9ab; - p->state[7] = 0x5be0cd19; - p->count = 0; -} - -#define S0(x) (rotrFixed(x, 2) ^ rotrFixed(x,13) ^ rotrFixed(x, 22)) -#define S1(x) (rotrFixed(x, 6) ^ rotrFixed(x,11) ^ rotrFixed(x, 25)) -#define s0(x) (rotrFixed(x, 7) ^ rotrFixed(x,18) ^ (x >> 3)) -#define s1(x) (rotrFixed(x,17) ^ rotrFixed(x,19) ^ (x >> 10)) - -#define blk0(i) (W[i] = data[i]) -#define blk2(i) (W[i&15] += s1(W[(i-2)&15]) + W[(i-7)&15] + s0(W[(i-15)&15])) - -#define Ch(x,y,z) (z^(x&(y^z))) -#define Maj(x,y,z) ((x&y)|(z&(x|y))) - -#define a(i) T[(0-(i))&7] -#define b(i) T[(1-(i))&7] -#define c(i) T[(2-(i))&7] -#define d(i) T[(3-(i))&7] -#define e(i) T[(4-(i))&7] -#define f(i) T[(5-(i))&7] -#define g(i) T[(6-(i))&7] -#define h(i) T[(7-(i))&7] - - -#ifdef _SHA256_UNROLL2 - -#define R(a,b,c,d,e,f,g,h, i) h += S1(e) + Ch(e,f,g) + K[i+j] + (j?blk2(i):blk0(i));\ - d += h; h += S0(a) + Maj(a, b, c) - -#define RX_8(i) \ - R(a,b,c,d,e,f,g,h, i); \ - R(h,a,b,c,d,e,f,g, i+1); \ - R(g,h,a,b,c,d,e,f, i+2); \ - R(f,g,h,a,b,c,d,e, i+3); \ - R(e,f,g,h,a,b,c,d, i+4); \ - R(d,e,f,g,h,a,b,c, i+5); \ - R(c,d,e,f,g,h,a,b, i+6); \ - R(b,c,d,e,f,g,h,a, i+7) - -#else - -#define R(i) h(i) += S1(e(i)) + Ch(e(i),f(i),g(i)) + K[i+j] + (j?blk2(i):blk0(i));\ - d(i) += h(i); h(i) += S0(a(i)) + Maj(a(i), b(i), c(i)) - -#ifdef _SHA256_UNROLL - -#define RX_8(i) R(i+0); R(i+1); R(i+2); R(i+3); R(i+4); R(i+5); R(i+6); R(i+7); - -#endif - -#endif - -static const UInt32 K[64] = { - 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, - 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, - 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, - 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, - 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, - 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, - 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, - 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, - 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, - 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, - 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, - 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, - 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, - 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, - 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, - 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 -}; - -static void Sha256_Transform(UInt32 *state, const UInt32 *data) -{ - UInt32 W[16]; - unsigned j; - #ifdef _SHA256_UNROLL2 - UInt32 a,b,c,d,e,f,g,h; - a = state[0]; - b = state[1]; - c = state[2]; - d = state[3]; - e = state[4]; - f = state[5]; - g = state[6]; - h = state[7]; - #else - UInt32 T[8]; - for (j = 0; j < 8; j++) - T[j] = state[j]; - #endif - - for (j = 0; j < 64; j += 16) - { - #if defined(_SHA256_UNROLL) || defined(_SHA256_UNROLL2) - RX_8(0); RX_8(8); - #else - unsigned i; - for (i = 0; i < 16; i++) { R(i); } - #endif - } - - #ifdef _SHA256_UNROLL2 - state[0] += a; - state[1] += b; - state[2] += c; - state[3] += d; - state[4] += e; - state[5] += f; - state[6] += g; - state[7] += h; - #else - for (j = 0; j < 8; j++) - state[j] += T[j]; - #endif - - /* Wipe variables */ - /* memset(W, 0, sizeof(W)); */ - /* memset(T, 0, sizeof(T)); */ -} - -#undef S0 -#undef S1 -#undef s0 -#undef s1 - -static void Sha256_WriteByteBlock(CSha256 *p) -{ - UInt32 data32[16]; - unsigned i; - for (i = 0; i < 16; i++) - data32[i] = - ((UInt32)(p->buffer[i * 4 ]) << 24) + - ((UInt32)(p->buffer[i * 4 + 1]) << 16) + - ((UInt32)(p->buffer[i * 4 + 2]) << 8) + - ((UInt32)(p->buffer[i * 4 + 3])); - Sha256_Transform(p->state, data32); -} - -void Sha256_Update(CSha256 *p, const Byte *data, size_t size) -{ - UInt32 curBufferPos = (UInt32)p->count & 0x3F; - while (size > 0) - { - p->buffer[curBufferPos++] = *data++; - p->count++; - size--; - if (curBufferPos == 64) - { - curBufferPos = 0; - Sha256_WriteByteBlock(p); - } - } -} - -void Sha256_Final(CSha256 *p, Byte *digest) -{ - UInt64 lenInBits = (p->count << 3); - UInt32 curBufferPos = (UInt32)p->count & 0x3F; - unsigned i; - p->buffer[curBufferPos++] = 0x80; - while (curBufferPos != (64 - 8)) - { - curBufferPos &= 0x3F; - if (curBufferPos == 0) - Sha256_WriteByteBlock(p); - p->buffer[curBufferPos++] = 0; - } - for (i = 0; i < 8; i++) - { - p->buffer[curBufferPos++] = (Byte)(lenInBits >> 56); - lenInBits <<= 8; - } - Sha256_WriteByteBlock(p); - - for (i = 0; i < 8; i++) - { - *digest++ = (Byte)(p->state[i] >> 24); - *digest++ = (Byte)(p->state[i] >> 16); - *digest++ = (Byte)(p->state[i] >> 8); - *digest++ = (Byte)(p->state[i]); - } - Sha256_Init(p); -} diff --git a/src/libs/7zip/win/C/Sha256.h b/src/libs/7zip/win/C/Sha256.h deleted file mode 100644 index 3f455dbc0..000000000 --- a/src/libs/7zip/win/C/Sha256.h +++ /dev/null @@ -1,26 +0,0 @@ -/* Sha256.h -- SHA-256 Hash -2013-01-18 : Igor Pavlov : Public domain */ - -#ifndef __CRYPTO_SHA256_H -#define __CRYPTO_SHA256_H - -#include "7zTypes.h" - -EXTERN_C_BEGIN - -#define SHA256_DIGEST_SIZE 32 - -typedef struct -{ - UInt32 state[8]; - UInt64 count; - Byte buffer[64]; -} CSha256; - -void Sha256_Init(CSha256 *p); -void Sha256_Update(CSha256 *p, const Byte *data, size_t size); -void Sha256_Final(CSha256 *p, Byte *digest); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/Threads.c b/src/libs/7zip/win/C/Threads.c deleted file mode 100644 index 5c67a1e26..000000000 --- a/src/libs/7zip/win/C/Threads.c +++ /dev/null @@ -1,93 +0,0 @@ -/* Threads.c -- multithreading library -2013-11-12 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#ifndef _WIN32_WCE -#include <process.h> -#endif - -#include "Threads.h" - -static WRes GetError() -{ - DWORD res = GetLastError(); - return (res) ? (WRes)(res) : 1; -} - -WRes HandleToWRes(HANDLE h) { return (h != 0) ? 0 : GetError(); } -WRes BOOLToWRes(BOOL v) { return v ? 0 : GetError(); } - -WRes HandlePtr_Close(HANDLE *p) -{ - if (*p != NULL) - if (!CloseHandle(*p)) - return GetError(); - *p = NULL; - return 0; -} - -WRes Handle_WaitObject(HANDLE h) { return (WRes)WaitForSingleObject(h, INFINITE); } - -WRes Thread_Create(CThread *p, THREAD_FUNC_TYPE func, LPVOID param) -{ - /* Windows Me/98/95: threadId parameter may not be NULL in _beginthreadex/CreateThread functions */ - - #ifdef UNDER_CE - - DWORD threadId; - *p = CreateThread(0, 0, func, param, 0, &threadId); - - #else - - unsigned threadId; - *p = (HANDLE)_beginthreadex(NULL, 0, func, param, 0, &threadId); - - #endif - - /* maybe we must use errno here, but probably GetLastError() is also OK. */ - return HandleToWRes(*p); -} - -WRes Event_Create(CEvent *p, BOOL manualReset, int signaled) -{ - *p = CreateEvent(NULL, manualReset, (signaled ? TRUE : FALSE), NULL); - return HandleToWRes(*p); -} - -WRes Event_Set(CEvent *p) { return BOOLToWRes(SetEvent(*p)); } -WRes Event_Reset(CEvent *p) { return BOOLToWRes(ResetEvent(*p)); } - -WRes ManualResetEvent_Create(CManualResetEvent *p, int signaled) { return Event_Create(p, TRUE, signaled); } -WRes AutoResetEvent_Create(CAutoResetEvent *p, int signaled) { return Event_Create(p, FALSE, signaled); } -WRes ManualResetEvent_CreateNotSignaled(CManualResetEvent *p) { return ManualResetEvent_Create(p, 0); } -WRes AutoResetEvent_CreateNotSignaled(CAutoResetEvent *p) { return AutoResetEvent_Create(p, 0); } - - -WRes Semaphore_Create(CSemaphore *p, UInt32 initCount, UInt32 maxCount) -{ - *p = CreateSemaphore(NULL, (LONG)initCount, (LONG)maxCount, NULL); - return HandleToWRes(*p); -} - -static WRes Semaphore_Release(CSemaphore *p, LONG releaseCount, LONG *previousCount) - { return BOOLToWRes(ReleaseSemaphore(*p, releaseCount, previousCount)); } -WRes Semaphore_ReleaseN(CSemaphore *p, UInt32 num) - { return Semaphore_Release(p, (LONG)num, NULL); } -WRes Semaphore_Release1(CSemaphore *p) { return Semaphore_ReleaseN(p, 1); } - -WRes CriticalSection_Init(CCriticalSection *p) -{ - /* InitializeCriticalSection can raise only STATUS_NO_MEMORY exception */ - #ifdef _MSC_VER - __try - #endif - { - InitializeCriticalSection(p); - /* InitializeCriticalSectionAndSpinCount(p, 0); */ - } - #ifdef _MSC_VER - __except (EXCEPTION_EXECUTE_HANDLER) { return 1; } - #endif - return 0; -} diff --git a/src/libs/7zip/win/C/Threads.h b/src/libs/7zip/win/C/Threads.h deleted file mode 100644 index 9b3e1c556..000000000 --- a/src/libs/7zip/win/C/Threads.h +++ /dev/null @@ -1,67 +0,0 @@ -/* Threads.h -- multithreading library -2013-11-12 : Igor Pavlov : Public domain */ - -#ifndef __7Z_THREADS_H -#define __7Z_THREADS_H - -#ifdef _WIN32 -#include <windows.h> -#endif - -#include "7zTypes.h" - -EXTERN_C_BEGIN - -WRes HandlePtr_Close(HANDLE *h); -WRes Handle_WaitObject(HANDLE h); - -typedef HANDLE CThread; -#define Thread_Construct(p) *(p) = NULL -#define Thread_WasCreated(p) (*(p) != NULL) -#define Thread_Close(p) HandlePtr_Close(p) -#define Thread_Wait(p) Handle_WaitObject(*(p)) - -typedef -#ifdef UNDER_CE - DWORD -#else - unsigned -#endif - THREAD_FUNC_RET_TYPE; - -#define THREAD_FUNC_CALL_TYPE MY_STD_CALL -#define THREAD_FUNC_DECL THREAD_FUNC_RET_TYPE THREAD_FUNC_CALL_TYPE -typedef THREAD_FUNC_RET_TYPE (THREAD_FUNC_CALL_TYPE * THREAD_FUNC_TYPE)(void *); -WRes Thread_Create(CThread *p, THREAD_FUNC_TYPE func, LPVOID param); - -typedef HANDLE CEvent; -typedef CEvent CAutoResetEvent; -typedef CEvent CManualResetEvent; -#define Event_Construct(p) *(p) = NULL -#define Event_IsCreated(p) (*(p) != NULL) -#define Event_Close(p) HandlePtr_Close(p) -#define Event_Wait(p) Handle_WaitObject(*(p)) -WRes Event_Set(CEvent *p); -WRes Event_Reset(CEvent *p); -WRes ManualResetEvent_Create(CManualResetEvent *p, int signaled); -WRes ManualResetEvent_CreateNotSignaled(CManualResetEvent *p); -WRes AutoResetEvent_Create(CAutoResetEvent *p, int signaled); -WRes AutoResetEvent_CreateNotSignaled(CAutoResetEvent *p); - -typedef HANDLE CSemaphore; -#define Semaphore_Construct(p) (*p) = NULL -#define Semaphore_Close(p) HandlePtr_Close(p) -#define Semaphore_Wait(p) Handle_WaitObject(*(p)) -WRes Semaphore_Create(CSemaphore *p, UInt32 initCount, UInt32 maxCount); -WRes Semaphore_ReleaseN(CSemaphore *p, UInt32 num); -WRes Semaphore_Release1(CSemaphore *p); - -typedef CRITICAL_SECTION CCriticalSection; -WRes CriticalSection_Init(CCriticalSection *p); -#define CriticalSection_Delete(p) DeleteCriticalSection(p) -#define CriticalSection_Enter(p) EnterCriticalSection(p) -#define CriticalSection_Leave(p) LeaveCriticalSection(p) - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/Xz.c b/src/libs/7zip/win/C/Xz.c deleted file mode 100644 index fbc732a8a..000000000 --- a/src/libs/7zip/win/C/Xz.c +++ /dev/null @@ -1,90 +0,0 @@ -/* Xz.c - Xz -2009-04-15 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include "7zCrc.h" -#include "CpuArch.h" -#include "Xz.h" -#include "XzCrc64.h" - -Byte XZ_SIG[XZ_SIG_SIZE] = { 0xFD, '7', 'z', 'X', 'Z', 0 }; -Byte XZ_FOOTER_SIG[XZ_FOOTER_SIG_SIZE] = { 'Y', 'Z' }; - -unsigned Xz_WriteVarInt(Byte *buf, UInt64 v) -{ - unsigned i = 0; - do - { - buf[i++] = (Byte)((v & 0x7F) | 0x80); - v >>= 7; - } - while (v != 0); - buf[i - 1] &= 0x7F; - return i; -} - -void Xz_Construct(CXzStream *p) -{ - p->numBlocks = p->numBlocksAllocated = 0; - p->blocks = 0; - p->flags = 0; -} - -void Xz_Free(CXzStream *p, ISzAlloc *alloc) -{ - alloc->Free(alloc, p->blocks); - p->numBlocks = p->numBlocksAllocated = 0; - p->blocks = 0; -} - -unsigned XzFlags_GetCheckSize(CXzStreamFlags f) -{ - int t = XzFlags_GetCheckType(f); - return (t == 0) ? 0 : (4 << ((t - 1) / 3)); -} - -void XzCheck_Init(CXzCheck *p, int mode) -{ - p->mode = mode; - switch (mode) - { - case XZ_CHECK_CRC32: p->crc = CRC_INIT_VAL; break; - case XZ_CHECK_CRC64: p->crc64 = CRC64_INIT_VAL; break; - case XZ_CHECK_SHA256: Sha256_Init(&p->sha); break; - } -} - -void XzCheck_Update(CXzCheck *p, const void *data, size_t size) -{ - switch (p->mode) - { - case XZ_CHECK_CRC32: p->crc = CrcUpdate(p->crc, data, size); break; - case XZ_CHECK_CRC64: p->crc64 = Crc64Update(p->crc64, data, size); break; - case XZ_CHECK_SHA256: Sha256_Update(&p->sha, (const Byte *)data, size); break; - } -} - -int XzCheck_Final(CXzCheck *p, Byte *digest) -{ - switch (p->mode) - { - case XZ_CHECK_CRC32: - SetUi32(digest, CRC_GET_DIGEST(p->crc)); - break; - case XZ_CHECK_CRC64: - { - int i; - UInt64 v = CRC64_GET_DIGEST(p->crc64); - for (i = 0; i < 8; i++, v >>= 8) - digest[i] = (Byte)(v & 0xFF); - break; - } - case XZ_CHECK_SHA256: - Sha256_Final(&p->sha, digest); - break; - default: - return 0; - } - return 1; -} diff --git a/src/libs/7zip/win/C/Xz.h b/src/libs/7zip/win/C/Xz.h deleted file mode 100644 index 9268d5bc6..000000000 --- a/src/libs/7zip/win/C/Xz.h +++ /dev/null @@ -1,275 +0,0 @@ -/* Xz.h - Xz interface -2014-12-30 : Igor Pavlov : Public domain */ - -#ifndef __XZ_H -#define __XZ_H - -#include "Sha256.h" - -EXTERN_C_BEGIN - -#define XZ_ID_Subblock 1 -#define XZ_ID_Delta 3 -#define XZ_ID_X86 4 -#define XZ_ID_PPC 5 -#define XZ_ID_IA64 6 -#define XZ_ID_ARM 7 -#define XZ_ID_ARMT 8 -#define XZ_ID_SPARC 9 -#define XZ_ID_LZMA2 0x21 - -unsigned Xz_ReadVarInt(const Byte *p, size_t maxSize, UInt64 *value); -unsigned Xz_WriteVarInt(Byte *buf, UInt64 v); - -/* ---------- xz block ---------- */ - -#define XZ_BLOCK_HEADER_SIZE_MAX 1024 - -#define XZ_NUM_FILTERS_MAX 4 -#define XZ_BF_NUM_FILTERS_MASK 3 -#define XZ_BF_PACK_SIZE (1 << 6) -#define XZ_BF_UNPACK_SIZE (1 << 7) - -#define XZ_FILTER_PROPS_SIZE_MAX 20 - -typedef struct -{ - UInt64 id; - UInt32 propsSize; - Byte props[XZ_FILTER_PROPS_SIZE_MAX]; -} CXzFilter; - -typedef struct -{ - UInt64 packSize; - UInt64 unpackSize; - Byte flags; - CXzFilter filters[XZ_NUM_FILTERS_MAX]; -} CXzBlock; - -#define XzBlock_GetNumFilters(p) (((p)->flags & XZ_BF_NUM_FILTERS_MASK) + 1) -#define XzBlock_HasPackSize(p) (((p)->flags & XZ_BF_PACK_SIZE) != 0) -#define XzBlock_HasUnpackSize(p) (((p)->flags & XZ_BF_UNPACK_SIZE) != 0) - -SRes XzBlock_Parse(CXzBlock *p, const Byte *header); -SRes XzBlock_ReadHeader(CXzBlock *p, ISeqInStream *inStream, Bool *isIndex, UInt32 *headerSizeRes); - -/* ---------- xz stream ---------- */ - -#define XZ_SIG_SIZE 6 -#define XZ_FOOTER_SIG_SIZE 2 - -extern Byte XZ_SIG[XZ_SIG_SIZE]; -extern Byte XZ_FOOTER_SIG[XZ_FOOTER_SIG_SIZE]; - -#define XZ_STREAM_FLAGS_SIZE 2 -#define XZ_STREAM_CRC_SIZE 4 - -#define XZ_STREAM_HEADER_SIZE (XZ_SIG_SIZE + XZ_STREAM_FLAGS_SIZE + XZ_STREAM_CRC_SIZE) -#define XZ_STREAM_FOOTER_SIZE (XZ_FOOTER_SIG_SIZE + XZ_STREAM_FLAGS_SIZE + XZ_STREAM_CRC_SIZE + 4) - -#define XZ_CHECK_MASK 0xF -#define XZ_CHECK_NO 0 -#define XZ_CHECK_CRC32 1 -#define XZ_CHECK_CRC64 4 -#define XZ_CHECK_SHA256 10 - -typedef struct -{ - int mode; - UInt32 crc; - UInt64 crc64; - CSha256 sha; -} CXzCheck; - -void XzCheck_Init(CXzCheck *p, int mode); -void XzCheck_Update(CXzCheck *p, const void *data, size_t size); -int XzCheck_Final(CXzCheck *p, Byte *digest); - -typedef UInt16 CXzStreamFlags; - -#define XzFlags_IsSupported(f) ((f) <= XZ_CHECK_MASK) -#define XzFlags_GetCheckType(f) ((f) & XZ_CHECK_MASK) -#define XzFlags_HasDataCrc32(f) (Xz_GetCheckType(f) == XZ_CHECK_CRC32) -unsigned XzFlags_GetCheckSize(CXzStreamFlags f); - -SRes Xz_ParseHeader(CXzStreamFlags *p, const Byte *buf); -SRes Xz_ReadHeader(CXzStreamFlags *p, ISeqInStream *inStream); - -typedef struct -{ - UInt64 unpackSize; - UInt64 totalSize; -} CXzBlockSizes; - -typedef struct -{ - CXzStreamFlags flags; - size_t numBlocks; - size_t numBlocksAllocated; - CXzBlockSizes *blocks; - UInt64 startOffset; -} CXzStream; - -void Xz_Construct(CXzStream *p); -void Xz_Free(CXzStream *p, ISzAlloc *alloc); - -#define XZ_SIZE_OVERFLOW ((UInt64)(Int64)-1) - -UInt64 Xz_GetUnpackSize(const CXzStream *p); -UInt64 Xz_GetPackSize(const CXzStream *p); - -typedef struct -{ - size_t num; - size_t numAllocated; - CXzStream *streams; -} CXzs; - -void Xzs_Construct(CXzs *p); -void Xzs_Free(CXzs *p, ISzAlloc *alloc); -SRes Xzs_ReadBackward(CXzs *p, ILookInStream *inStream, Int64 *startOffset, ICompressProgress *progress, ISzAlloc *alloc); - -UInt64 Xzs_GetNumBlocks(const CXzs *p); -UInt64 Xzs_GetUnpackSize(const CXzs *p); - -typedef enum -{ - CODER_STATUS_NOT_SPECIFIED, /* use main error code instead */ - CODER_STATUS_FINISHED_WITH_MARK, /* stream was finished with end mark. */ - CODER_STATUS_NOT_FINISHED, /* stream was not finished */ - CODER_STATUS_NEEDS_MORE_INPUT /* you must provide more input bytes */ -} ECoderStatus; - -typedef enum -{ - CODER_FINISH_ANY, /* finish at any point */ - CODER_FINISH_END /* block must be finished at the end */ -} ECoderFinishMode; - -typedef struct _IStateCoder -{ - void *p; - void (*Free)(void *p, ISzAlloc *alloc); - SRes (*SetProps)(void *p, const Byte *props, size_t propSize, ISzAlloc *alloc); - void (*Init)(void *p); - SRes (*Code)(void *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, - int srcWasFinished, ECoderFinishMode finishMode, int *wasFinished); -} IStateCoder; - -#define MIXCODER_NUM_FILTERS_MAX 4 - -typedef struct -{ - ISzAlloc *alloc; - Byte *buf; - int numCoders; - int finished[MIXCODER_NUM_FILTERS_MAX - 1]; - size_t pos[MIXCODER_NUM_FILTERS_MAX - 1]; - size_t size[MIXCODER_NUM_FILTERS_MAX - 1]; - UInt64 ids[MIXCODER_NUM_FILTERS_MAX]; - IStateCoder coders[MIXCODER_NUM_FILTERS_MAX]; -} CMixCoder; - -void MixCoder_Construct(CMixCoder *p, ISzAlloc *alloc); -void MixCoder_Free(CMixCoder *p); -void MixCoder_Init(CMixCoder *p); -SRes MixCoder_SetFromMethod(CMixCoder *p, int coderIndex, UInt64 methodId); -SRes MixCoder_Code(CMixCoder *p, Byte *dest, SizeT *destLen, - const Byte *src, SizeT *srcLen, int srcWasFinished, - ECoderFinishMode finishMode, ECoderStatus *status); - -typedef enum -{ - XZ_STATE_STREAM_HEADER, - XZ_STATE_STREAM_INDEX, - XZ_STATE_STREAM_INDEX_CRC, - XZ_STATE_STREAM_FOOTER, - XZ_STATE_STREAM_PADDING, - XZ_STATE_BLOCK_HEADER, - XZ_STATE_BLOCK, - XZ_STATE_BLOCK_FOOTER -} EXzState; - -typedef struct -{ - EXzState state; - UInt32 pos; - unsigned alignPos; - unsigned indexPreSize; - - CXzStreamFlags streamFlags; - - UInt32 blockHeaderSize; - UInt64 packSize; - UInt64 unpackSize; - - UInt64 numBlocks; - UInt64 indexSize; - UInt64 indexPos; - UInt64 padSize; - - UInt64 numStartedStreams; - UInt64 numFinishedStreams; - UInt64 numTotalBlocks; - - UInt32 crc; - CMixCoder decoder; - CXzBlock block; - CXzCheck check; - CSha256 sha; - Byte shaDigest[SHA256_DIGEST_SIZE]; - Byte buf[XZ_BLOCK_HEADER_SIZE_MAX]; -} CXzUnpacker; - -void XzUnpacker_Construct(CXzUnpacker *p, ISzAlloc *alloc); -void XzUnpacker_Init(CXzUnpacker *p); -void XzUnpacker_Free(CXzUnpacker *p); - -/* -finishMode: - It has meaning only if the decoding reaches output limit (*destLen). - CODER_FINISH_ANY - use smallest number of input bytes - CODER_FINISH_END - read EndOfStream marker after decoding - -Returns: - SZ_OK - status: - CODER_STATUS_NOT_FINISHED, - CODER_STATUS_NEEDS_MORE_INPUT - maybe there are more xz streams, - call XzUnpacker_IsStreamWasFinished to check that current stream was finished - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_DATA - Data error - SZ_ERROR_UNSUPPORTED - Unsupported method or method properties - SZ_ERROR_CRC - CRC error - // SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src). - - SZ_ERROR_NO_ARCHIVE - the error with xz Stream Header with one of the following reasons: - - xz Stream Signature failure - - CRC32 of xz Stream Header is failed - - The size of Stream padding is not multiple of four bytes. - It's possible to get that error, if xz stream was finished and the stream - contains some another data. In that case you can call XzUnpacker_GetExtraSize() - function to get real size of xz stream. -*/ - - -SRes XzUnpacker_Code(CXzUnpacker *p, Byte *dest, SizeT *destLen, - const Byte *src, SizeT *srcLen, ECoderFinishMode finishMode, - ECoderStatus *status); - -Bool XzUnpacker_IsStreamWasFinished(CXzUnpacker *p); - -/* -Call XzUnpacker_GetExtraSize after XzUnpacker_Code function to detect real size of -xz stream in two cases: -XzUnpacker_Code() returns: - res == SZ_OK && status == CODER_STATUS_NEEDS_MORE_INPUT - res == SZ_ERROR_NO_ARCHIVE -*/ - -UInt64 XzUnpacker_GetExtraSize(CXzUnpacker *p); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/XzCrc64.c b/src/libs/7zip/win/C/XzCrc64.c deleted file mode 100644 index 2c04c0af4..000000000 --- a/src/libs/7zip/win/C/XzCrc64.c +++ /dev/null @@ -1,90 +0,0 @@ -/* XzCrc64.c -- CRC64 calculation -2011-06-28 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include "XzCrc64.h" -#include "CpuArch.h" - -#define kCrc64Poly UINT64_CONST(0xC96C5795D7870F42) - -#ifdef MY_CPU_LE - #define CRC_NUM_TABLES 4 -#else - #define CRC_NUM_TABLES 5 - #define CRC_UINT64_SWAP(v) \ - ((v >> 56) | \ - ((v >> 40) & ((UInt64)0xFF << 8)) | \ - ((v >> 24) & ((UInt64)0xFF << 16)) | \ - ((v >> 8) & ((UInt64)0xFF << 24)) | \ - ((v << 8) & ((UInt64)0xFF << 32)) | \ - ((v << 24) & ((UInt64)0xFF << 40)) | \ - ((v << 40) & ((UInt64)0xFF << 48)) | \ - (v << 56)) - UInt64 MY_FAST_CALL XzCrc64UpdateT1_BeT4(UInt64 v, const void *data, size_t size, const UInt64 *table); -#endif - -#ifndef MY_CPU_BE - UInt64 MY_FAST_CALL XzCrc64UpdateT4(UInt64 v, const void *data, size_t size, const UInt64 *table); -#endif - -typedef UInt64 (MY_FAST_CALL *CRC_FUNC)(UInt64 v, const void *data, size_t size, const UInt64 *table); - -static CRC_FUNC g_Crc64Update; -UInt64 g_Crc64Table[256 * CRC_NUM_TABLES]; - -UInt64 MY_FAST_CALL Crc64Update(UInt64 v, const void *data, size_t size) -{ - return g_Crc64Update(v, data, size, g_Crc64Table); -} - -UInt64 MY_FAST_CALL Crc64Calc(const void *data, size_t size) -{ - return g_Crc64Update(CRC64_INIT_VAL, data, size, g_Crc64Table) ^ CRC64_INIT_VAL; -} - -void MY_FAST_CALL Crc64GenerateTable() -{ - UInt32 i; - for (i = 0; i < 256; i++) - { - UInt64 r = i; - unsigned j; - for (j = 0; j < 8; j++) - r = (r >> 1) ^ (kCrc64Poly & ~((r & 1) - 1)); - g_Crc64Table[i] = r; - } - for (; i < 256 * CRC_NUM_TABLES; i++) - { - UInt64 r = g_Crc64Table[i - 256]; - g_Crc64Table[i] = g_Crc64Table[r & 0xFF] ^ (r >> 8); - } - - #ifdef MY_CPU_LE - - g_Crc64Update = XzCrc64UpdateT4; - - - - - - - #else - { - #ifndef MY_CPU_BE - UInt32 k = 1; - if (*(const Byte *)&k == 1) - g_Crc64Update = XzCrc64UpdateT4; - else - #endif - { - for (i = 256 * CRC_NUM_TABLES - 1; i >= 256; i--) - { - UInt64 x = g_Crc64Table[i - 256]; - g_Crc64Table[i] = CRC_UINT64_SWAP(x); - } - g_Crc64Update = XzCrc64UpdateT1_BeT4; - } - } - #endif -} diff --git a/src/libs/7zip/win/C/XzCrc64.h b/src/libs/7zip/win/C/XzCrc64.h deleted file mode 100644 index 08dbc330c..000000000 --- a/src/libs/7zip/win/C/XzCrc64.h +++ /dev/null @@ -1,26 +0,0 @@ -/* XzCrc64.h -- CRC64 calculation -2013-01-18 : Igor Pavlov : Public domain */ - -#ifndef __XZ_CRC64_H -#define __XZ_CRC64_H - -#include <stddef.h> - -#include "7zTypes.h" - -EXTERN_C_BEGIN - -extern UInt64 g_Crc64Table[]; - -void MY_FAST_CALL Crc64GenerateTable(void); - -#define CRC64_INIT_VAL UINT64_CONST(0xFFFFFFFFFFFFFFFF) -#define CRC64_GET_DIGEST(crc) ((crc) ^ CRC64_INIT_VAL) -#define CRC64_UPDATE_BYTE(crc, b) (g_Crc64Table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8)) - -UInt64 MY_FAST_CALL Crc64Update(UInt64 crc, const void *data, size_t size); -UInt64 MY_FAST_CALL Crc64Calc(const void *data, size_t size); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/XzCrc64Opt.c b/src/libs/7zip/win/C/XzCrc64Opt.c deleted file mode 100644 index dccae1c19..000000000 --- a/src/libs/7zip/win/C/XzCrc64Opt.c +++ /dev/null @@ -1,69 +0,0 @@ -/* XzCrc64Opt.c -- CRC64 calculation -2011-06-28 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include "CpuArch.h" - -#define CRC_UPDATE_BYTE_2(crc, b) (table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8)) - -#ifndef MY_CPU_BE - -UInt64 MY_FAST_CALL XzCrc64UpdateT4(UInt64 v, const void *data, size_t size, const UInt64 *table) -{ - const Byte *p = (const Byte *)data; - for (; size > 0 && ((unsigned)(ptrdiff_t)p & 3) != 0; size--, p++) - v = CRC_UPDATE_BYTE_2(v, *p); - for (; size >= 4; size -= 4, p += 4) - { - UInt32 d = (UInt32)v ^ *(const UInt32 *)p; - v = (v >> 32) ^ - table[0x300 + ((d ) & 0xFF)] ^ - table[0x200 + ((d >> 8) & 0xFF)] ^ - table[0x100 + ((d >> 16) & 0xFF)] ^ - table[0x000 + ((d >> 24))]; - } - for (; size > 0; size--, p++) - v = CRC_UPDATE_BYTE_2(v, *p); - return v; -} - -#endif - - -#ifndef MY_CPU_LE - -#define CRC_UINT64_SWAP(v) \ - ((v >> 56) | \ - ((v >> 40) & ((UInt64)0xFF << 8)) | \ - ((v >> 24) & ((UInt64)0xFF << 16)) | \ - ((v >> 8) & ((UInt64)0xFF << 24)) | \ - ((v << 8) & ((UInt64)0xFF << 32)) | \ - ((v << 24) & ((UInt64)0xFF << 40)) | \ - ((v << 40) & ((UInt64)0xFF << 48)) | \ - (v << 56)) - -UInt64 MY_FAST_CALL XzCrc64UpdateT1_BeT4(UInt64 v, const void *data, size_t size, const UInt64 *table) -{ - const Byte *p = (const Byte *)data; - for (; size > 0 && ((unsigned)(ptrdiff_t)p & 3) != 0; size--, p++) - v = CRC_UPDATE_BYTE_2(v, *p); - v = CRC_UINT64_SWAP(v); - table += 0x100; - for (; size >= 4; size -= 4, p += 4) - { - UInt32 d = (UInt32)(v >> 32) ^ *(const UInt32 *)p; - v = (v << 32) ^ - table[0x000 + ((d ) & 0xFF)] ^ - table[0x100 + ((d >> 8) & 0xFF)] ^ - table[0x200 + ((d >> 16) & 0xFF)] ^ - table[0x300 + ((d >> 24))]; - } - table -= 0x100; - v = CRC_UINT64_SWAP(v); - for (; size > 0; size--, p++) - v = CRC_UPDATE_BYTE_2(v, *p); - return v; -} - -#endif diff --git a/src/libs/7zip/win/C/XzDec.c b/src/libs/7zip/win/C/XzDec.c deleted file mode 100644 index 6eef587d3..000000000 --- a/src/libs/7zip/win/C/XzDec.c +++ /dev/null @@ -1,909 +0,0 @@ -/* XzDec.c -- Xz Decode -2014-12-30 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -/* #define XZ_DUMP */ - -#ifdef XZ_DUMP -#include <stdio.h> -#endif - -#include <stdlib.h> -#include <string.h> - -#include "7zCrc.h" -#include "Alloc.h" -#include "Bra.h" -#include "CpuArch.h" -#include "Delta.h" -#include "Lzma2Dec.h" - -#ifdef USE_SUBBLOCK -#include "Bcj3Dec.c" -#include "SbDec.c" -#endif - -#include "Xz.h" - -#define XZ_CHECK_SIZE_MAX 64 - -#define CODER_BUF_SIZE (1 << 17) - -unsigned Xz_ReadVarInt(const Byte *p, size_t maxSize, UInt64 *value) -{ - int i, limit; - *value = 0; - limit = (maxSize > 9) ? 9 : (int)maxSize; - - for (i = 0; i < limit;) - { - Byte b = p[i]; - *value |= (UInt64)(b & 0x7F) << (7 * i++); - if ((b & 0x80) == 0) - return (b == 0 && i != 1) ? 0 : i; - } - return 0; -} - -/* ---------- BraState ---------- */ - -#define BRA_BUF_SIZE (1 << 14) - -typedef struct -{ - size_t bufPos; - size_t bufConv; - size_t bufTotal; - - UInt32 methodId; - int encodeMode; - UInt32 delta; - UInt32 ip; - UInt32 x86State; - Byte deltaState[DELTA_STATE_SIZE]; - - Byte buf[BRA_BUF_SIZE]; -} CBraState; - -void BraState_Free(void *pp, ISzAlloc *alloc) -{ - alloc->Free(alloc, pp); -} - -SRes BraState_SetProps(void *pp, const Byte *props, size_t propSize, ISzAlloc *alloc) -{ - CBraState *p = ((CBraState *)pp); - alloc = alloc; - p->ip = 0; - if (p->methodId == XZ_ID_Delta) - { - if (propSize != 1) - return SZ_ERROR_UNSUPPORTED; - p->delta = (unsigned)props[0] + 1; - } - else - { - if (propSize == 4) - { - UInt32 v = GetUi32(props); - switch(p->methodId) - { - case XZ_ID_PPC: - case XZ_ID_ARM: - case XZ_ID_SPARC: - if ((v & 3) != 0) - return SZ_ERROR_UNSUPPORTED; - break; - case XZ_ID_ARMT: - if ((v & 1) != 0) - return SZ_ERROR_UNSUPPORTED; - break; - case XZ_ID_IA64: - if ((v & 0xF) != 0) - return SZ_ERROR_UNSUPPORTED; - break; - } - p->ip = v; - } - else if (propSize != 0) - return SZ_ERROR_UNSUPPORTED; - } - return SZ_OK; -} - -void BraState_Init(void *pp) -{ - CBraState *p = ((CBraState *)pp); - p->bufPos = p->bufConv = p->bufTotal = 0; - x86_Convert_Init(p->x86State); - if (p->methodId == XZ_ID_Delta) - Delta_Init(p->deltaState); -} - -#define CASE_BRA_CONV(isa) case XZ_ID_ ## isa: p->bufConv = isa ## _Convert(p->buf, p->bufTotal, p->ip, p->encodeMode); break; - -static SRes BraState_Code(void *pp, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, - int srcWasFinished, ECoderFinishMode finishMode, int *wasFinished) -{ - CBraState *p = ((CBraState *)pp); - SizeT destLenOrig = *destLen; - SizeT srcLenOrig = *srcLen; - *destLen = 0; - *srcLen = 0; - finishMode = finishMode; - *wasFinished = 0; - while (destLenOrig > 0) - { - if (p->bufPos != p->bufConv) - { - size_t curSize = p->bufConv - p->bufPos; - if (curSize > destLenOrig) - curSize = destLenOrig; - memcpy(dest, p->buf + p->bufPos, curSize); - p->bufPos += curSize; - *destLen += curSize; - dest += curSize; - destLenOrig -= curSize; - continue; - } - p->bufTotal -= p->bufPos; - memmove(p->buf, p->buf + p->bufPos, p->bufTotal); - p->bufPos = 0; - p->bufConv = 0; - { - size_t curSize = BRA_BUF_SIZE - p->bufTotal; - if (curSize > srcLenOrig) - curSize = srcLenOrig; - memcpy(p->buf + p->bufTotal, src, curSize); - *srcLen += curSize; - src += curSize; - srcLenOrig -= curSize; - p->bufTotal += curSize; - } - if (p->bufTotal == 0) - break; - switch(p->methodId) - { - case XZ_ID_Delta: - if (p->encodeMode) - Delta_Encode(p->deltaState, p->delta, p->buf, p->bufTotal); - else - Delta_Decode(p->deltaState, p->delta, p->buf, p->bufTotal); - p->bufConv = p->bufTotal; - break; - case XZ_ID_X86: - p->bufConv = x86_Convert(p->buf, p->bufTotal, p->ip, &p->x86State, p->encodeMode); - break; - CASE_BRA_CONV(PPC) - CASE_BRA_CONV(IA64) - CASE_BRA_CONV(ARM) - CASE_BRA_CONV(ARMT) - CASE_BRA_CONV(SPARC) - default: - return SZ_ERROR_UNSUPPORTED; - } - p->ip += (UInt32)p->bufConv; - - if (p->bufConv == 0) - { - if (!srcWasFinished) - break; - p->bufConv = p->bufTotal; - } - } - if (p->bufTotal == p->bufPos && srcLenOrig == 0 && srcWasFinished) - *wasFinished = 1; - return SZ_OK; -} - -SRes BraState_SetFromMethod(IStateCoder *p, UInt64 id, int encodeMode, ISzAlloc *alloc) -{ - CBraState *decoder; - if (id != XZ_ID_Delta && - id != XZ_ID_X86 && - id != XZ_ID_PPC && - id != XZ_ID_IA64 && - id != XZ_ID_ARM && - id != XZ_ID_ARMT && - id != XZ_ID_SPARC) - return SZ_ERROR_UNSUPPORTED; - p->p = 0; - decoder = (CBraState *)alloc->Alloc(alloc, sizeof(CBraState)); - if (decoder == 0) - return SZ_ERROR_MEM; - decoder->methodId = (UInt32)id; - decoder->encodeMode = encodeMode; - p->p = decoder; - p->Free = BraState_Free; - p->SetProps = BraState_SetProps; - p->Init = BraState_Init; - p->Code = BraState_Code; - return SZ_OK; -} - -/* ---------- SbState ---------- */ - -#ifdef USE_SUBBLOCK - -static void SbState_Free(void *pp, ISzAlloc *alloc) -{ - CSbDec *p = (CSbDec *)pp; - SbDec_Free(p); - alloc->Free(alloc, pp); -} - -static SRes SbState_SetProps(void *pp, const Byte *props, size_t propSize, ISzAlloc *alloc) -{ - pp = pp; - props = props; - alloc = alloc; - return (propSize == 0) ? SZ_OK : SZ_ERROR_UNSUPPORTED; -} - -static void SbState_Init(void *pp) -{ - SbDec_Init((CSbDec *)pp); -} - -static SRes SbState_Code(void *pp, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, - int srcWasFinished, ECoderFinishMode finishMode, int *wasFinished) -{ - CSbDec *p = (CSbDec *)pp; - SRes res; - srcWasFinished = srcWasFinished; - p->dest = dest; - p->destLen = *destLen; - p->src = src; - p->srcLen = *srcLen; - p->finish = finishMode; /* change it */ - res = SbDec_Decode((CSbDec *)pp); - *destLen -= p->destLen; - *srcLen -= p->srcLen; - *wasFinished = (*destLen == 0 && *srcLen == 0); /* change it */ - return res; -} - -SRes SbState_SetFromMethod(IStateCoder *p, ISzAlloc *alloc) -{ - CSbDec *decoder; - p->p = 0; - decoder = alloc->Alloc(alloc, sizeof(CSbDec)); - if (decoder == 0) - return SZ_ERROR_MEM; - p->p = decoder; - p->Free = SbState_Free; - p->SetProps = SbState_SetProps; - p->Init = SbState_Init; - p->Code = SbState_Code; - SbDec_Construct(decoder); - SbDec_SetAlloc(decoder, alloc); - return SZ_OK; -} -#endif - -/* ---------- Lzma2State ---------- */ - -static void Lzma2State_Free(void *pp, ISzAlloc *alloc) -{ - Lzma2Dec_Free((CLzma2Dec *)pp, alloc); - alloc->Free(alloc, pp); -} - -static SRes Lzma2State_SetProps(void *pp, const Byte *props, size_t propSize, ISzAlloc *alloc) -{ - if (propSize != 1) - return SZ_ERROR_UNSUPPORTED; - return Lzma2Dec_Allocate((CLzma2Dec *)pp, props[0], alloc); -} - -static void Lzma2State_Init(void *pp) -{ - Lzma2Dec_Init((CLzma2Dec *)pp); -} - -static SRes Lzma2State_Code(void *pp, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, - int srcWasFinished, ECoderFinishMode finishMode, int *wasFinished) -{ - ELzmaStatus status; - /* ELzmaFinishMode fm = (finishMode == LZMA_FINISH_ANY) ? LZMA_FINISH_ANY : LZMA_FINISH_END; */ - SRes res = Lzma2Dec_DecodeToBuf((CLzma2Dec *)pp, dest, destLen, src, srcLen, (ELzmaFinishMode)finishMode, &status); - srcWasFinished = srcWasFinished; - *wasFinished = (status == LZMA_STATUS_FINISHED_WITH_MARK); - return res; -} - -static SRes Lzma2State_SetFromMethod(IStateCoder *p, ISzAlloc *alloc) -{ - CLzma2Dec *decoder = (CLzma2Dec *)alloc->Alloc(alloc, sizeof(CLzma2Dec)); - p->p = decoder; - if (decoder == 0) - return SZ_ERROR_MEM; - p->Free = Lzma2State_Free; - p->SetProps = Lzma2State_SetProps; - p->Init = Lzma2State_Init; - p->Code = Lzma2State_Code; - Lzma2Dec_Construct(decoder); - return SZ_OK; -} - - -void MixCoder_Construct(CMixCoder *p, ISzAlloc *alloc) -{ - int i; - p->alloc = alloc; - p->buf = 0; - p->numCoders = 0; - for (i = 0; i < MIXCODER_NUM_FILTERS_MAX; i++) - p->coders[i].p = NULL; -} - -void MixCoder_Free(CMixCoder *p) -{ - int i; - for (i = 0; i < p->numCoders; i++) - { - IStateCoder *sc = &p->coders[i]; - if (p->alloc && sc->p) - sc->Free(sc->p, p->alloc); - } - p->numCoders = 0; - if (p->buf) - { - p->alloc->Free(p->alloc, p->buf); - p->buf = 0; /* 9.31: the BUG was fixed */ - } -} - -void MixCoder_Init(CMixCoder *p) -{ - int i; - for (i = 0; i < p->numCoders - 1; i++) - { - p->size[i] = 0; - p->pos[i] = 0; - p->finished[i] = 0; - } - for (i = 0; i < p->numCoders; i++) - { - IStateCoder *coder = &p->coders[i]; - coder->Init(coder->p); - } -} - -SRes MixCoder_SetFromMethod(CMixCoder *p, int coderIndex, UInt64 methodId) -{ - IStateCoder *sc = &p->coders[coderIndex]; - p->ids[coderIndex] = methodId; - switch(methodId) - { - case XZ_ID_LZMA2: return Lzma2State_SetFromMethod(sc, p->alloc); - #ifdef USE_SUBBLOCK - case XZ_ID_Subblock: return SbState_SetFromMethod(sc, p->alloc); - #endif - } - if (coderIndex == 0) - return SZ_ERROR_UNSUPPORTED; - return BraState_SetFromMethod(sc, methodId, 0, p->alloc); -} - -SRes MixCoder_Code(CMixCoder *p, Byte *dest, SizeT *destLen, - const Byte *src, SizeT *srcLen, int srcWasFinished, - ECoderFinishMode finishMode, ECoderStatus *status) -{ - SizeT destLenOrig = *destLen; - SizeT srcLenOrig = *srcLen; - Bool allFinished = True; - *destLen = 0; - *srcLen = 0; - *status = CODER_STATUS_NOT_FINISHED; - - if (p->buf == 0) - { - p->buf = (Byte *)p->alloc->Alloc(p->alloc, CODER_BUF_SIZE * (MIXCODER_NUM_FILTERS_MAX - 1)); - if (p->buf == 0) - return SZ_ERROR_MEM; - } - - if (p->numCoders != 1) - finishMode = CODER_FINISH_ANY; - - for (;;) - { - Bool processed = False; - int i; - /* - if (p->numCoders == 1 && *destLen == destLenOrig && finishMode == LZMA_FINISH_ANY) - break; - */ - - for (i = 0; i < p->numCoders; i++) - { - SRes res; - IStateCoder *coder = &p->coders[i]; - Byte *destCur; - SizeT destLenCur, srcLenCur; - const Byte *srcCur; - int srcFinishedCur; - int encodingWasFinished; - - if (i == 0) - { - srcCur = src; - srcLenCur = srcLenOrig - *srcLen; - srcFinishedCur = srcWasFinished; - } - else - { - srcCur = p->buf + (CODER_BUF_SIZE * (i - 1)) + p->pos[i - 1]; - srcLenCur = p->size[i - 1] - p->pos[i - 1]; - srcFinishedCur = p->finished[i - 1]; - } - - if (i == p->numCoders - 1) - { - destCur = dest; - destLenCur = destLenOrig - *destLen; - } - else - { - if (p->pos[i] != p->size[i]) - continue; - destCur = p->buf + (CODER_BUF_SIZE * i); - destLenCur = CODER_BUF_SIZE; - } - - res = coder->Code(coder->p, destCur, &destLenCur, srcCur, &srcLenCur, srcFinishedCur, finishMode, &encodingWasFinished); - - if (!encodingWasFinished) - allFinished = False; - - if (i == 0) - { - *srcLen += srcLenCur; - src += srcLenCur; - } - else - { - p->pos[i - 1] += srcLenCur; - } - - if (i == p->numCoders - 1) - { - *destLen += destLenCur; - dest += destLenCur; - } - else - { - p->size[i] = destLenCur; - p->pos[i] = 0; - p->finished[i] = encodingWasFinished; - } - - if (res != SZ_OK) - return res; - - if (destLenCur != 0 || srcLenCur != 0) - processed = True; - } - if (!processed) - break; - } - if (allFinished) - *status = CODER_STATUS_FINISHED_WITH_MARK; - return SZ_OK; -} - -SRes Xz_ParseHeader(CXzStreamFlags *p, const Byte *buf) -{ - *p = (CXzStreamFlags)GetBe16(buf + XZ_SIG_SIZE); - if (CrcCalc(buf + XZ_SIG_SIZE, XZ_STREAM_FLAGS_SIZE) != - GetUi32(buf + XZ_SIG_SIZE + XZ_STREAM_FLAGS_SIZE)) - return SZ_ERROR_NO_ARCHIVE; - return XzFlags_IsSupported(*p) ? SZ_OK : SZ_ERROR_UNSUPPORTED; -} - -static Bool Xz_CheckFooter(CXzStreamFlags flags, UInt64 indexSize, const Byte *buf) -{ - return - indexSize == (((UInt64)GetUi32(buf + 4) + 1) << 2) && - (GetUi32(buf) == CrcCalc(buf + 4, 6) && - flags == GetBe16(buf + 8) && - memcmp(buf + 10, XZ_FOOTER_SIG, XZ_FOOTER_SIG_SIZE) == 0); -} - -#define READ_VARINT_AND_CHECK(buf, pos, size, res) \ - { unsigned s = Xz_ReadVarInt(buf + pos, size - pos, res); \ - if (s == 0) return SZ_ERROR_ARCHIVE; pos += s; } - - -SRes XzBlock_Parse(CXzBlock *p, const Byte *header) -{ - unsigned pos; - int numFilters, i; - UInt32 headerSize = (UInt32)header[0] << 2; - - if (CrcCalc(header, headerSize) != GetUi32(header + headerSize)) - return SZ_ERROR_ARCHIVE; - - pos = 1; - if (pos == headerSize) - return SZ_ERROR_ARCHIVE; - p->flags = header[pos++]; - - if (XzBlock_HasPackSize(p)) - { - READ_VARINT_AND_CHECK(header, pos, headerSize, &p->packSize); - if (p->packSize == 0 || p->packSize + headerSize >= (UInt64)1 << 63) - return SZ_ERROR_ARCHIVE; - } - - if (XzBlock_HasUnpackSize(p)) - READ_VARINT_AND_CHECK(header, pos, headerSize, &p->unpackSize); - - numFilters = XzBlock_GetNumFilters(p); - for (i = 0; i < numFilters; i++) - { - CXzFilter *filter = p->filters + i; - UInt64 size; - READ_VARINT_AND_CHECK(header, pos, headerSize, &filter->id); - READ_VARINT_AND_CHECK(header, pos, headerSize, &size); - if (size > headerSize - pos || size > XZ_FILTER_PROPS_SIZE_MAX) - return SZ_ERROR_ARCHIVE; - filter->propsSize = (UInt32)size; - memcpy(filter->props, header + pos, (size_t)size); - pos += (unsigned)size; - - #ifdef XZ_DUMP - printf("\nf[%d] = %2X: ", i, filter->id); - { - int i; - for (i = 0; i < size; i++) - printf(" %2X", filter->props[i]); - } - #endif - } - - while (pos < headerSize) - if (header[pos++] != 0) - return SZ_ERROR_ARCHIVE; - return SZ_OK; -} - -SRes XzDec_Init(CMixCoder *p, const CXzBlock *block) -{ - int i; - Bool needReInit = True; - int numFilters = XzBlock_GetNumFilters(block); - if (numFilters == p->numCoders) - { - for (i = 0; i < numFilters; i++) - if (p->ids[i] != block->filters[numFilters - 1 - i].id) - break; - needReInit = (i != numFilters); - } - if (needReInit) - { - MixCoder_Free(p); - p->numCoders = numFilters; - for (i = 0; i < numFilters; i++) - { - const CXzFilter *f = &block->filters[numFilters - 1 - i]; - RINOK(MixCoder_SetFromMethod(p, i, f->id)); - } - } - for (i = 0; i < numFilters; i++) - { - const CXzFilter *f = &block->filters[numFilters - 1 - i]; - IStateCoder *sc = &p->coders[i]; - RINOK(sc->SetProps(sc->p, f->props, f->propsSize, p->alloc)); - } - MixCoder_Init(p); - return SZ_OK; -} - -void XzUnpacker_Init(CXzUnpacker *p) -{ - p->state = XZ_STATE_STREAM_HEADER; - p->pos = 0; - p->numStartedStreams = 0; - p->numFinishedStreams = 0; - p->numTotalBlocks = 0; - p->padSize = 0; -} - -void XzUnpacker_Construct(CXzUnpacker *p, ISzAlloc *alloc) -{ - MixCoder_Construct(&p->decoder, alloc); - XzUnpacker_Init(p); -} - -void XzUnpacker_Free(CXzUnpacker *p) -{ - MixCoder_Free(&p->decoder); -} - -SRes XzUnpacker_Code(CXzUnpacker *p, Byte *dest, SizeT *destLen, - const Byte *src, SizeT *srcLen, ECoderFinishMode finishMode, ECoderStatus *status) -{ - SizeT destLenOrig = *destLen; - SizeT srcLenOrig = *srcLen; - *destLen = 0; - *srcLen = 0; - *status = CODER_STATUS_NOT_SPECIFIED; - for (;;) - { - SizeT srcRem = srcLenOrig - *srcLen; - - if (p->state == XZ_STATE_BLOCK) - { - SizeT destLen2 = destLenOrig - *destLen; - SizeT srcLen2 = srcLenOrig - *srcLen; - SRes res; - if (srcLen2 == 0 && destLen2 == 0) - { - *status = CODER_STATUS_NOT_FINISHED; - return SZ_OK; - } - - res = MixCoder_Code(&p->decoder, dest, &destLen2, src, &srcLen2, False, finishMode, status); - XzCheck_Update(&p->check, dest, destLen2); - - (*srcLen) += srcLen2; - src += srcLen2; - p->packSize += srcLen2; - - (*destLen) += destLen2; - dest += destLen2; - p->unpackSize += destLen2; - - RINOK(res); - - if (*status == CODER_STATUS_FINISHED_WITH_MARK) - { - Byte temp[32]; - unsigned num = Xz_WriteVarInt(temp, p->packSize + p->blockHeaderSize + XzFlags_GetCheckSize(p->streamFlags)); - num += Xz_WriteVarInt(temp + num, p->unpackSize); - Sha256_Update(&p->sha, temp, num); - p->indexSize += num; - p->numBlocks++; - - p->state = XZ_STATE_BLOCK_FOOTER; - p->pos = 0; - p->alignPos = 0; - } - else if (srcLen2 == 0 && destLen2 == 0) - return SZ_OK; - - continue; - } - - if (srcRem == 0) - { - *status = CODER_STATUS_NEEDS_MORE_INPUT; - return SZ_OK; - } - - switch (p->state) - { - case XZ_STATE_STREAM_HEADER: - { - if (p->pos < XZ_STREAM_HEADER_SIZE) - { - if (p->pos < XZ_SIG_SIZE && *src != XZ_SIG[p->pos]) - return SZ_ERROR_NO_ARCHIVE; - p->buf[p->pos++] = *src++; - (*srcLen)++; - } - else - { - RINOK(Xz_ParseHeader(&p->streamFlags, p->buf)); - p->numStartedStreams++; - p->state = XZ_STATE_BLOCK_HEADER; - Sha256_Init(&p->sha); - p->indexSize = 0; - p->numBlocks = 0; - p->pos = 0; - } - break; - } - - case XZ_STATE_BLOCK_HEADER: - { - if (p->pos == 0) - { - p->buf[p->pos++] = *src++; - (*srcLen)++; - if (p->buf[0] == 0) - { - p->indexPreSize = 1 + Xz_WriteVarInt(p->buf + 1, p->numBlocks); - p->indexPos = p->indexPreSize; - p->indexSize += p->indexPreSize; - Sha256_Final(&p->sha, p->shaDigest); - Sha256_Init(&p->sha); - p->crc = CrcUpdate(CRC_INIT_VAL, p->buf, p->indexPreSize); - p->state = XZ_STATE_STREAM_INDEX; - } - p->blockHeaderSize = ((UInt32)p->buf[0] << 2) + 4; - } - else if (p->pos != p->blockHeaderSize) - { - UInt32 cur = p->blockHeaderSize - p->pos; - if (cur > srcRem) - cur = (UInt32)srcRem; - memcpy(p->buf + p->pos, src, cur); - p->pos += cur; - (*srcLen) += cur; - src += cur; - } - else - { - RINOK(XzBlock_Parse(&p->block, p->buf)); - p->numTotalBlocks++; - p->state = XZ_STATE_BLOCK; - p->packSize = 0; - p->unpackSize = 0; - XzCheck_Init(&p->check, XzFlags_GetCheckType(p->streamFlags)); - RINOK(XzDec_Init(&p->decoder, &p->block)); - } - break; - } - - case XZ_STATE_BLOCK_FOOTER: - { - if (((p->packSize + p->alignPos) & 3) != 0) - { - (*srcLen)++; - p->alignPos++; - if (*src++ != 0) - return SZ_ERROR_CRC; - } - else - { - UInt32 checkSize = XzFlags_GetCheckSize(p->streamFlags); - UInt32 cur = checkSize - p->pos; - if (cur != 0) - { - if (cur > srcRem) - cur = (UInt32)srcRem; - memcpy(p->buf + p->pos, src, cur); - p->pos += cur; - (*srcLen) += cur; - src += cur; - } - else - { - Byte digest[XZ_CHECK_SIZE_MAX]; - p->state = XZ_STATE_BLOCK_HEADER; - p->pos = 0; - if (XzCheck_Final(&p->check, digest) && memcmp(digest, p->buf, checkSize) != 0) - return SZ_ERROR_CRC; - } - } - break; - } - - case XZ_STATE_STREAM_INDEX: - { - if (p->pos < p->indexPreSize) - { - (*srcLen)++; - if (*src++ != p->buf[p->pos++]) - return SZ_ERROR_CRC; - } - else - { - if (p->indexPos < p->indexSize) - { - UInt64 cur = p->indexSize - p->indexPos; - if (srcRem > cur) - srcRem = (SizeT)cur; - p->crc = CrcUpdate(p->crc, src, srcRem); - Sha256_Update(&p->sha, src, srcRem); - (*srcLen) += srcRem; - src += srcRem; - p->indexPos += srcRem; - } - else if ((p->indexPos & 3) != 0) - { - Byte b = *src++; - p->crc = CRC_UPDATE_BYTE(p->crc, b); - (*srcLen)++; - p->indexPos++; - p->indexSize++; - if (b != 0) - return SZ_ERROR_CRC; - } - else - { - Byte digest[SHA256_DIGEST_SIZE]; - p->state = XZ_STATE_STREAM_INDEX_CRC; - p->indexSize += 4; - p->pos = 0; - Sha256_Final(&p->sha, digest); - if (memcmp(digest, p->shaDigest, SHA256_DIGEST_SIZE) != 0) - return SZ_ERROR_CRC; - } - } - break; - } - - case XZ_STATE_STREAM_INDEX_CRC: - { - if (p->pos < 4) - { - (*srcLen)++; - p->buf[p->pos++] = *src++; - } - else - { - p->state = XZ_STATE_STREAM_FOOTER; - p->pos = 0; - if (CRC_GET_DIGEST(p->crc) != GetUi32(p->buf)) - return SZ_ERROR_CRC; - } - break; - } - - case XZ_STATE_STREAM_FOOTER: - { - UInt32 cur = XZ_STREAM_FOOTER_SIZE - p->pos; - if (cur > srcRem) - cur = (UInt32)srcRem; - memcpy(p->buf + p->pos, src, cur); - p->pos += cur; - (*srcLen) += cur; - src += cur; - if (p->pos == XZ_STREAM_FOOTER_SIZE) - { - p->state = XZ_STATE_STREAM_PADDING; - p->numFinishedStreams++; - p->padSize = 0; - if (!Xz_CheckFooter(p->streamFlags, p->indexSize, p->buf)) - return SZ_ERROR_CRC; - } - break; - } - - case XZ_STATE_STREAM_PADDING: - { - if (*src != 0) - { - if (((UInt32)p->padSize & 3) != 0) - return SZ_ERROR_NO_ARCHIVE; - p->pos = 0; - p->state = XZ_STATE_STREAM_HEADER; - } - else - { - (*srcLen)++; - src++; - p->padSize++; - } - break; - } - - case XZ_STATE_BLOCK: break; /* to disable GCC warning */ - } - } - /* - if (p->state == XZ_STATE_FINISHED) - *status = CODER_STATUS_FINISHED_WITH_MARK; - return SZ_OK; - */ -} - -Bool XzUnpacker_IsStreamWasFinished(CXzUnpacker *p) -{ - return (p->state == XZ_STATE_STREAM_PADDING) && (((UInt32)p->padSize & 3) == 0); -} - -UInt64 XzUnpacker_GetExtraSize(CXzUnpacker *p) -{ - UInt64 num = 0; - if (p->state == XZ_STATE_STREAM_PADDING) - num += p->padSize; - else if (p->state == XZ_STATE_STREAM_HEADER) - num += p->padSize + p->pos; - return num; -} diff --git a/src/libs/7zip/win/C/XzEnc.c b/src/libs/7zip/win/C/XzEnc.c deleted file mode 100644 index 56680fcd8..000000000 --- a/src/libs/7zip/win/C/XzEnc.c +++ /dev/null @@ -1,522 +0,0 @@ -/* XzEnc.c -- Xz Encode -2014-12-30 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include <stdlib.h> -#include <string.h> - -#include "7zCrc.h" -#include "Alloc.h" -#include "Bra.h" -#include "CpuArch.h" -#ifdef USE_SUBBLOCK -#include "Bcj3Enc.c" -#include "SbFind.c" -#include "SbEnc.c" -#endif - -#include "XzEnc.h" - -static void *SzBigAlloc(void *p, size_t size) { p = p; return BigAlloc(size); } -static void SzBigFree(void *p, void *address) { p = p; BigFree(address); } -static ISzAlloc g_BigAlloc = { SzBigAlloc, SzBigFree }; - -static void *SzAlloc(void *p, size_t size) { p = p; return MyAlloc(size); } -static void SzFree(void *p, void *address) { p = p; MyFree(address); } -static ISzAlloc g_Alloc = { SzAlloc, SzFree }; - -#define XzBlock_ClearFlags(p) (p)->flags = 0; -#define XzBlock_SetNumFilters(p, n) (p)->flags |= ((n) - 1); -#define XzBlock_SetHasPackSize(p) (p)->flags |= XZ_BF_PACK_SIZE; -#define XzBlock_SetHasUnpackSize(p) (p)->flags |= XZ_BF_UNPACK_SIZE; - -static SRes WriteBytes(ISeqOutStream *s, const void *buf, UInt32 size) -{ - return (s->Write(s, buf, size) == size) ? SZ_OK : SZ_ERROR_WRITE; -} - -static SRes WriteBytesAndCrc(ISeqOutStream *s, const void *buf, UInt32 size, UInt32 *crc) -{ - *crc = CrcUpdate(*crc, buf, size); - return WriteBytes(s, buf, size); -} - -SRes Xz_WriteHeader(CXzStreamFlags f, ISeqOutStream *s) -{ - UInt32 crc; - Byte header[XZ_STREAM_HEADER_SIZE]; - memcpy(header, XZ_SIG, XZ_SIG_SIZE); - header[XZ_SIG_SIZE] = (Byte)(f >> 8); - header[XZ_SIG_SIZE + 1] = (Byte)(f & 0xFF); - crc = CrcCalc(header + XZ_SIG_SIZE, XZ_STREAM_FLAGS_SIZE); - SetUi32(header + XZ_SIG_SIZE + XZ_STREAM_FLAGS_SIZE, crc); - return WriteBytes(s, header, XZ_STREAM_HEADER_SIZE); -} - -SRes XzBlock_WriteHeader(const CXzBlock *p, ISeqOutStream *s) -{ - Byte header[XZ_BLOCK_HEADER_SIZE_MAX]; - - unsigned pos = 1; - int numFilters, i; - header[pos++] = p->flags; - - if (XzBlock_HasPackSize(p)) pos += Xz_WriteVarInt(header + pos, p->packSize); - if (XzBlock_HasUnpackSize(p)) pos += Xz_WriteVarInt(header + pos, p->unpackSize); - numFilters = XzBlock_GetNumFilters(p); - for (i = 0; i < numFilters; i++) - { - const CXzFilter *f = &p->filters[i]; - pos += Xz_WriteVarInt(header + pos, f->id); - pos += Xz_WriteVarInt(header + pos, f->propsSize); - memcpy(header + pos, f->props, f->propsSize); - pos += f->propsSize; - } - while((pos & 3) != 0) - header[pos++] = 0; - header[0] = (Byte)(pos >> 2); - SetUi32(header + pos, CrcCalc(header, pos)); - return WriteBytes(s, header, pos + 4); -} - -SRes Xz_WriteFooter(CXzStream *p, ISeqOutStream *s) -{ - Byte buf[32]; - UInt64 globalPos; - { - UInt32 crc = CRC_INIT_VAL; - unsigned pos = 1 + Xz_WriteVarInt(buf + 1, p->numBlocks); - size_t i; - - globalPos = pos; - buf[0] = 0; - RINOK(WriteBytesAndCrc(s, buf, pos, &crc)); - for (i = 0; i < p->numBlocks; i++) - { - const CXzBlockSizes *block = &p->blocks[i]; - pos = Xz_WriteVarInt(buf, block->totalSize); - pos += Xz_WriteVarInt(buf + pos, block->unpackSize); - globalPos += pos; - RINOK(WriteBytesAndCrc(s, buf, pos, &crc)); - } - pos = ((unsigned)globalPos & 3); - if (pos != 0) - { - buf[0] = buf[1] = buf[2] = 0; - RINOK(WriteBytesAndCrc(s, buf, 4 - pos, &crc)); - globalPos += 4 - pos; - } - { - SetUi32(buf, CRC_GET_DIGEST(crc)); - RINOK(WriteBytes(s, buf, 4)); - globalPos += 4; - } - } - - { - UInt32 indexSize = (UInt32)((globalPos >> 2) - 1); - SetUi32(buf + 4, indexSize); - buf[8] = (Byte)(p->flags >> 8); - buf[9] = (Byte)(p->flags & 0xFF); - SetUi32(buf, CrcCalc(buf + 4, 6)); - memcpy(buf + 10, XZ_FOOTER_SIG, XZ_FOOTER_SIG_SIZE); - return WriteBytes(s, buf, 12); - } -} - -SRes Xz_AddIndexRecord(CXzStream *p, UInt64 unpackSize, UInt64 totalSize, ISzAlloc *alloc) -{ - if (p->blocks == 0 || p->numBlocksAllocated == p->numBlocks) - { - size_t num = (p->numBlocks + 1) * 2; - size_t newSize = sizeof(CXzBlockSizes) * num; - CXzBlockSizes *blocks; - if (newSize / sizeof(CXzBlockSizes) != num) - return SZ_ERROR_MEM; - blocks = (CXzBlockSizes *)alloc->Alloc(alloc, newSize); - if (blocks == 0) - return SZ_ERROR_MEM; - if (p->numBlocks != 0) - { - memcpy(blocks, p->blocks, p->numBlocks * sizeof(CXzBlockSizes)); - Xz_Free(p, alloc); - } - p->blocks = blocks; - p->numBlocksAllocated = num; - } - { - CXzBlockSizes *block = &p->blocks[p->numBlocks++]; - block->totalSize = totalSize; - block->unpackSize = unpackSize; - } - return SZ_OK; -} - -/* ---------- CSeqCheckInStream ---------- */ - -typedef struct -{ - ISeqInStream p; - ISeqInStream *realStream; - UInt64 processed; - CXzCheck check; -} CSeqCheckInStream; - -void SeqCheckInStream_Init(CSeqCheckInStream *p, int mode) -{ - p->processed = 0; - XzCheck_Init(&p->check, mode); -} - -void SeqCheckInStream_GetDigest(CSeqCheckInStream *p, Byte *digest) -{ - XzCheck_Final(&p->check, digest); -} - -static SRes SeqCheckInStream_Read(void *pp, void *data, size_t *size) -{ - CSeqCheckInStream *p = (CSeqCheckInStream *)pp; - SRes res = p->realStream->Read(p->realStream, data, size); - XzCheck_Update(&p->check, data, *size); - p->processed += *size; - return res; -} - -/* ---------- CSeqSizeOutStream ---------- */ - -typedef struct -{ - ISeqOutStream p; - ISeqOutStream *realStream; - UInt64 processed; -} CSeqSizeOutStream; - -static size_t MyWrite(void *pp, const void *data, size_t size) -{ - CSeqSizeOutStream *p = (CSeqSizeOutStream *)pp; - size = p->realStream->Write(p->realStream, data, size); - p->processed += size; - return size; -} - -/* ---------- CSeqInFilter ---------- */ - -#define FILTER_BUF_SIZE (1 << 20) - -typedef struct -{ - ISeqInStream p; - ISeqInStream *realStream; - IStateCoder StateCoder; - Byte *buf; - size_t curPos; - size_t endPos; - int srcWasFinished; -} CSeqInFilter; - -static SRes SeqInFilter_Read(void *pp, void *data, size_t *size) -{ - CSeqInFilter *p = (CSeqInFilter *)pp; - size_t sizeOriginal = *size; - if (sizeOriginal == 0) - return SZ_OK; - *size = 0; - for (;;) - { - if (!p->srcWasFinished && p->curPos == p->endPos) - { - p->curPos = 0; - p->endPos = FILTER_BUF_SIZE; - RINOK(p->realStream->Read(p->realStream, p->buf, &p->endPos)); - if (p->endPos == 0) - p->srcWasFinished = 1; - } - { - SizeT srcLen = p->endPos - p->curPos; - int wasFinished; - SRes res; - *size = sizeOriginal; - res = p->StateCoder.Code(p->StateCoder.p, data, size, p->buf + p->curPos, &srcLen, - p->srcWasFinished, CODER_FINISH_ANY, &wasFinished); - p->curPos += srcLen; - if (*size != 0 || srcLen == 0 || res != 0) - return res; - } - } -} - -static void SeqInFilter_Construct(CSeqInFilter *p) -{ - p->buf = NULL; - p->p.Read = SeqInFilter_Read; -} - -static void SeqInFilter_Free(CSeqInFilter *p) -{ - if (p->buf) - { - g_Alloc.Free(&g_Alloc, p->buf); - p->buf = NULL; - } -} - -SRes BraState_SetFromMethod(IStateCoder *p, UInt64 id, int encodeMode, ISzAlloc *alloc); - -static SRes SeqInFilter_Init(CSeqInFilter *p, const CXzFilter *props) -{ - if (!p->buf) - { - p->buf = g_Alloc.Alloc(&g_Alloc, FILTER_BUF_SIZE); - if (!p->buf) - return SZ_ERROR_MEM; - } - p->curPos = p->endPos = 0; - p->srcWasFinished = 0; - RINOK(BraState_SetFromMethod(&p->StateCoder, props->id, 1, &g_Alloc)); - RINOK(p->StateCoder.SetProps(p->StateCoder.p, props->props, props->propsSize, &g_Alloc)); - p->StateCoder.Init(p->StateCoder.p); - return SZ_OK; -} - -/* ---------- CSbEncInStream ---------- */ - -#ifdef USE_SUBBLOCK - -typedef struct -{ - ISeqInStream p; - ISeqInStream *inStream; - CSbEnc enc; -} CSbEncInStream; - -static SRes SbEncInStream_Read(void *pp, void *data, size_t *size) -{ - CSbEncInStream *p = (CSbEncInStream *)pp; - size_t sizeOriginal = *size; - if (sizeOriginal == 0) - return S_OK; - for (;;) - { - if (p->enc.needRead && !p->enc.readWasFinished) - { - size_t processed = p->enc.needReadSizeMax; - RINOK(p->inStream->Read(p->inStream, p->enc.buf + p->enc.readPos, &processed)); - p->enc.readPos += processed; - if (processed == 0) - { - p->enc.readWasFinished = True; - p->enc.isFinalFinished = True; - } - p->enc.needRead = False; - } - *size = sizeOriginal; - RINOK(SbEnc_Read(&p->enc, data, size)); - if (*size != 0 || !p->enc.needRead) - return S_OK; - } -} - -void SbEncInStream_Construct(CSbEncInStream *p, ISzAlloc *alloc) -{ - SbEnc_Construct(&p->enc, alloc); - p->p.Read = SbEncInStream_Read; -} - -SRes SbEncInStream_Init(CSbEncInStream *p) -{ - return SbEnc_Init(&p->enc); -} - -void SbEncInStream_Free(CSbEncInStream *p) -{ - SbEnc_Free(&p->enc); -} - -#endif - - -typedef struct -{ - CLzma2EncHandle lzma2; - #ifdef USE_SUBBLOCK - CSbEncInStream sb; - #endif - CSeqInFilter filter; - ISzAlloc *alloc; - ISzAlloc *bigAlloc; -} CLzma2WithFilters; - - -static void Lzma2WithFilters_Construct(CLzma2WithFilters *p, ISzAlloc *alloc, ISzAlloc *bigAlloc) -{ - p->alloc = alloc; - p->bigAlloc = bigAlloc; - p->lzma2 = NULL; - #ifdef USE_SUBBLOCK - SbEncInStream_Construct(&p->sb, alloc); - #endif - SeqInFilter_Construct(&p->filter); -} - -static SRes Lzma2WithFilters_Create(CLzma2WithFilters *p) -{ - p->lzma2 = Lzma2Enc_Create(p->alloc, p->bigAlloc); - if (p->lzma2 == 0) - return SZ_ERROR_MEM; - return SZ_OK; -} - -static void Lzma2WithFilters_Free(CLzma2WithFilters *p) -{ - SeqInFilter_Free(&p->filter); - #ifdef USE_SUBBLOCK - SbEncInStream_Free(&p->sb); - #endif - if (p->lzma2) - { - Lzma2Enc_Destroy(p->lzma2); - p->lzma2 = NULL; - } -} - -void XzProps_Init(CXzProps *p) -{ - p->lzma2Props = 0; - p->filterProps = 0; - p->checkId = XZ_CHECK_CRC32; -} - -void XzFilterProps_Init(CXzFilterProps *p) -{ - p->id = 0; - p->delta = 0; - p->ip= 0; - p->ipDefined = False; -} - -static SRes Xz_Compress(CXzStream *xz, CLzma2WithFilters *lzmaf, - ISeqOutStream *outStream, ISeqInStream *inStream, - const CXzProps *props, ICompressProgress *progress) -{ - xz->flags = (Byte)props->checkId; - - RINOK(Lzma2Enc_SetProps(lzmaf->lzma2, props->lzma2Props)); - RINOK(Xz_WriteHeader(xz->flags, outStream)); - - { - CSeqCheckInStream checkInStream; - CSeqSizeOutStream seqSizeOutStream; - CXzBlock block; - int filterIndex = 0; - CXzFilter *filter = NULL; - const CXzFilterProps *fp = props->filterProps; - - XzBlock_ClearFlags(&block); - XzBlock_SetNumFilters(&block, 1 + (fp ? 1 : 0)); - - if (fp) - { - filter = &block.filters[filterIndex++]; - filter->id = fp->id; - filter->propsSize = 0; - if (fp->id == XZ_ID_Delta) - { - filter->props[0] = (Byte)(fp->delta - 1); - filter->propsSize = 1; - } - else if (fp->ipDefined) - { - SetUi32(filter->props, fp->ip); - filter->propsSize = 4; - } - } - - { - CXzFilter *f = &block.filters[filterIndex++]; - f->id = XZ_ID_LZMA2; - f->propsSize = 1; - f->props[0] = Lzma2Enc_WriteProperties(lzmaf->lzma2); - } - - seqSizeOutStream.p.Write = MyWrite; - seqSizeOutStream.realStream = outStream; - seqSizeOutStream.processed = 0; - - RINOK(XzBlock_WriteHeader(&block, &seqSizeOutStream.p)); - - checkInStream.p.Read = SeqCheckInStream_Read; - checkInStream.realStream = inStream; - SeqCheckInStream_Init(&checkInStream, XzFlags_GetCheckType(xz->flags)); - - if (fp) - { - #ifdef USE_SUBBLOCK - if (fp->id == XZ_ID_Subblock) - { - lzmaf->sb.inStream = &checkInStream.p; - RINOK(SbEncInStream_Init(&lzmaf->sb)); - } - else - #endif - { - lzmaf->filter.realStream = &checkInStream.p; - RINOK(SeqInFilter_Init(&lzmaf->filter, filter)); - } - } - - { - UInt64 packPos = seqSizeOutStream.processed; - SRes res = Lzma2Enc_Encode(lzmaf->lzma2, &seqSizeOutStream.p, - fp ? - #ifdef USE_SUBBLOCK - (fp->id == XZ_ID_Subblock) ? &lzmaf->sb.p: - #endif - &lzmaf->filter.p: - &checkInStream.p, - progress); - RINOK(res); - block.unpackSize = checkInStream.processed; - block.packSize = seqSizeOutStream.processed - packPos; - } - - { - unsigned padSize = 0; - Byte buf[128]; - while((((unsigned)block.packSize + padSize) & 3) != 0) - buf[padSize++] = 0; - SeqCheckInStream_GetDigest(&checkInStream, buf + padSize); - RINOK(WriteBytes(&seqSizeOutStream.p, buf, padSize + XzFlags_GetCheckSize(xz->flags))); - RINOK(Xz_AddIndexRecord(xz, block.unpackSize, seqSizeOutStream.processed - padSize, &g_Alloc)); - } - } - return Xz_WriteFooter(xz, outStream); -} - -SRes Xz_Encode(ISeqOutStream *outStream, ISeqInStream *inStream, - const CXzProps *props, ICompressProgress *progress) -{ - SRes res; - CXzStream xz; - CLzma2WithFilters lzmaf; - Xz_Construct(&xz); - Lzma2WithFilters_Construct(&lzmaf, &g_Alloc, &g_BigAlloc); - res = Lzma2WithFilters_Create(&lzmaf); - if (res == SZ_OK) - res = Xz_Compress(&xz, &lzmaf, outStream, inStream, props, progress); - Lzma2WithFilters_Free(&lzmaf); - Xz_Free(&xz, &g_Alloc); - return res; -} - -SRes Xz_EncodeEmpty(ISeqOutStream *outStream) -{ - SRes res; - CXzStream xz; - Xz_Construct(&xz); - res = Xz_WriteHeader(xz.flags, outStream); - if (res == SZ_OK) - res = Xz_WriteFooter(&xz, outStream); - Xz_Free(&xz, &g_Alloc); - return res; -} diff --git a/src/libs/7zip/win/C/XzEnc.h b/src/libs/7zip/win/C/XzEnc.h deleted file mode 100644 index c3c19eca0..000000000 --- a/src/libs/7zip/win/C/XzEnc.h +++ /dev/null @@ -1,39 +0,0 @@ -/* XzEnc.h -- Xz Encode -2011-02-07 : Igor Pavlov : Public domain */ - -#ifndef __XZ_ENC_H -#define __XZ_ENC_H - -#include "Lzma2Enc.h" - -#include "Xz.h" - -EXTERN_C_BEGIN - -typedef struct -{ - UInt32 id; - UInt32 delta; - UInt32 ip; - int ipDefined; -} CXzFilterProps; - -void XzFilterProps_Init(CXzFilterProps *p); - -typedef struct -{ - const CLzma2EncProps *lzma2Props; - const CXzFilterProps *filterProps; - unsigned checkId; -} CXzProps; - -void XzProps_Init(CXzProps *p); - -SRes Xz_Encode(ISeqOutStream *outStream, ISeqInStream *inStream, - const CXzProps *props, ICompressProgress *progress); - -SRes Xz_EncodeEmpty(ISeqOutStream *outStream); - -EXTERN_C_END - -#endif diff --git a/src/libs/7zip/win/C/XzIn.c b/src/libs/7zip/win/C/XzIn.c deleted file mode 100644 index ed9eac31a..000000000 --- a/src/libs/7zip/win/C/XzIn.c +++ /dev/null @@ -1,307 +0,0 @@ -/* XzIn.c - Xz input -2014-12-30 : Igor Pavlov : Public domain */ - -#include "Precomp.h" - -#include <string.h> - -#include "7zCrc.h" -#include "CpuArch.h" -#include "Xz.h" - -SRes Xz_ReadHeader(CXzStreamFlags *p, ISeqInStream *inStream) -{ - Byte sig[XZ_STREAM_HEADER_SIZE]; - RINOK(SeqInStream_Read2(inStream, sig, XZ_STREAM_HEADER_SIZE, SZ_ERROR_NO_ARCHIVE)); - if (memcmp(sig, XZ_SIG, XZ_SIG_SIZE) != 0) - return SZ_ERROR_NO_ARCHIVE; - return Xz_ParseHeader(p, sig); -} - -#define READ_VARINT_AND_CHECK(buf, pos, size, res) \ - { unsigned s = Xz_ReadVarInt(buf + pos, size - pos, res); \ - if (s == 0) return SZ_ERROR_ARCHIVE; pos += s; } - -SRes XzBlock_ReadHeader(CXzBlock *p, ISeqInStream *inStream, Bool *isIndex, UInt32 *headerSizeRes) -{ - Byte header[XZ_BLOCK_HEADER_SIZE_MAX]; - unsigned headerSize; - *headerSizeRes = 0; - RINOK(SeqInStream_ReadByte(inStream, &header[0])); - headerSize = ((unsigned)header[0] << 2) + 4; - if (headerSize == 0) - { - *headerSizeRes = 1; - *isIndex = True; - return SZ_OK; - } - - *isIndex = False; - *headerSizeRes = headerSize; - RINOK(SeqInStream_Read(inStream, header + 1, headerSize - 1)); - return XzBlock_Parse(p, header); -} - -#define ADD_SIZE_CHECH(size, val) \ - { UInt64 newSize = size + (val); if (newSize < size) return XZ_SIZE_OVERFLOW; size = newSize; } - -UInt64 Xz_GetUnpackSize(const CXzStream *p) -{ - UInt64 size = 0; - size_t i; - for (i = 0; i < p->numBlocks; i++) - ADD_SIZE_CHECH(size, p->blocks[i].unpackSize); - return size; -} - -UInt64 Xz_GetPackSize(const CXzStream *p) -{ - UInt64 size = 0; - size_t i; - for (i = 0; i < p->numBlocks; i++) - ADD_SIZE_CHECH(size, (p->blocks[i].totalSize + 3) & ~(UInt64)3); - return size; -} - -/* -SRes XzBlock_ReadFooter(CXzBlock *p, CXzStreamFlags f, ISeqInStream *inStream) -{ - return SeqInStream_Read(inStream, p->check, XzFlags_GetCheckSize(f)); -} -*/ - -static SRes Xz_ReadIndex2(CXzStream *p, const Byte *buf, size_t size, ISzAlloc *alloc) -{ - size_t i, numBlocks, pos = 1; - UInt32 crc; - - if (size < 5 || buf[0] != 0) - return SZ_ERROR_ARCHIVE; - - size -= 4; - crc = CrcCalc(buf, size); - if (crc != GetUi32(buf + size)) - return SZ_ERROR_ARCHIVE; - - { - UInt64 numBlocks64; - READ_VARINT_AND_CHECK(buf, pos, size, &numBlocks64); - numBlocks = (size_t)numBlocks64; - if (numBlocks != numBlocks64 || numBlocks * 2 > size) - return SZ_ERROR_ARCHIVE; - } - - Xz_Free(p, alloc); - if (numBlocks != 0) - { - p->numBlocks = numBlocks; - p->numBlocksAllocated = numBlocks; - p->blocks = alloc->Alloc(alloc, sizeof(CXzBlockSizes) * numBlocks); - if (p->blocks == 0) - return SZ_ERROR_MEM; - for (i = 0; i < numBlocks; i++) - { - CXzBlockSizes *block = &p->blocks[i]; - READ_VARINT_AND_CHECK(buf, pos, size, &block->totalSize); - READ_VARINT_AND_CHECK(buf, pos, size, &block->unpackSize); - if (block->totalSize == 0) - return SZ_ERROR_ARCHIVE; - } - } - while ((pos & 3) != 0) - if (buf[pos++] != 0) - return SZ_ERROR_ARCHIVE; - return (pos == size) ? SZ_OK : SZ_ERROR_ARCHIVE; -} - -static SRes Xz_ReadIndex(CXzStream *p, ILookInStream *stream, UInt64 indexSize, ISzAlloc *alloc) -{ - SRes res; - size_t size; - Byte *buf; - if (indexSize > ((UInt32)1 << 31)) - return SZ_ERROR_UNSUPPORTED; - size = (size_t)indexSize; - if (size != indexSize) - return SZ_ERROR_UNSUPPORTED; - buf = alloc->Alloc(alloc, size); - if (buf == 0) - return SZ_ERROR_MEM; - res = LookInStream_Read2(stream, buf, size, SZ_ERROR_UNSUPPORTED); - if (res == SZ_OK) - res = Xz_ReadIndex2(p, buf, size, alloc); - alloc->Free(alloc, buf); - return res; -} - -static SRes SeekFromCur(ILookInStream *inStream, Int64 *res) -{ - return inStream->Seek(inStream, res, SZ_SEEK_CUR); -} - -static SRes Xz_ReadBackward(CXzStream *p, ILookInStream *stream, Int64 *startOffset, ISzAlloc *alloc) -{ - UInt64 indexSize; - Byte buf[XZ_STREAM_FOOTER_SIZE]; - - if ((*startOffset & 3) != 0 || *startOffset < XZ_STREAM_FOOTER_SIZE) - return SZ_ERROR_NO_ARCHIVE; - *startOffset = -XZ_STREAM_FOOTER_SIZE; - RINOK(SeekFromCur(stream, startOffset)); - - RINOK(LookInStream_Read2(stream, buf, XZ_STREAM_FOOTER_SIZE, SZ_ERROR_NO_ARCHIVE)); - - if (memcmp(buf + 10, XZ_FOOTER_SIG, XZ_FOOTER_SIG_SIZE) != 0) - { - UInt32 total = 0; - *startOffset += XZ_STREAM_FOOTER_SIZE; - for (;;) - { - size_t i; - #define TEMP_BUF_SIZE (1 << 10) - Byte tempBuf[TEMP_BUF_SIZE]; - if (*startOffset < XZ_STREAM_FOOTER_SIZE || total > (1 << 16)) - return SZ_ERROR_NO_ARCHIVE; - i = (*startOffset > TEMP_BUF_SIZE) ? TEMP_BUF_SIZE : (size_t)*startOffset; - total += (UInt32)i; - *startOffset = -(Int64)i; - RINOK(SeekFromCur(stream, startOffset)); - RINOK(LookInStream_Read2(stream, tempBuf, i, SZ_ERROR_NO_ARCHIVE)); - for (; i != 0; i--) - if (tempBuf[i - 1] != 0) - break; - if (i != 0) - { - if ((i & 3) != 0) - return SZ_ERROR_NO_ARCHIVE; - *startOffset += i; - break; - } - } - if (*startOffset < XZ_STREAM_FOOTER_SIZE) - return SZ_ERROR_NO_ARCHIVE; - *startOffset -= XZ_STREAM_FOOTER_SIZE; - RINOK(stream->Seek(stream, startOffset, SZ_SEEK_SET)); - RINOK(LookInStream_Read2(stream, buf, XZ_STREAM_FOOTER_SIZE, SZ_ERROR_NO_ARCHIVE)); - if (memcmp(buf + 10, XZ_FOOTER_SIG, XZ_FOOTER_SIG_SIZE) != 0) - return SZ_ERROR_NO_ARCHIVE; - } - - p->flags = (CXzStreamFlags)GetBe16(buf + 8); - - if (!XzFlags_IsSupported(p->flags)) - return SZ_ERROR_UNSUPPORTED; - - if (GetUi32(buf) != CrcCalc(buf + 4, 6)) - return SZ_ERROR_ARCHIVE; - - indexSize = ((UInt64)GetUi32(buf + 4) + 1) << 2; - - *startOffset = -(Int64)(indexSize + XZ_STREAM_FOOTER_SIZE); - RINOK(SeekFromCur(stream, startOffset)); - - RINOK(Xz_ReadIndex(p, stream, indexSize, alloc)); - - { - UInt64 totalSize = Xz_GetPackSize(p); - UInt64 sum = XZ_STREAM_HEADER_SIZE + totalSize + indexSize; - if (totalSize == XZ_SIZE_OVERFLOW || - sum >= ((UInt64)1 << 63) || - totalSize >= ((UInt64)1 << 63)) - return SZ_ERROR_ARCHIVE; - *startOffset = -(Int64)sum; - RINOK(SeekFromCur(stream, startOffset)); - } - { - CXzStreamFlags headerFlags; - CSecToRead secToRead; - SecToRead_CreateVTable(&secToRead); - secToRead.realStream = stream; - - RINOK(Xz_ReadHeader(&headerFlags, &secToRead.s)); - return (p->flags == headerFlags) ? SZ_OK : SZ_ERROR_ARCHIVE; - } -} - - -/* ---------- Xz Streams ---------- */ - -void Xzs_Construct(CXzs *p) -{ - p->num = p->numAllocated = 0; - p->streams = 0; -} - -void Xzs_Free(CXzs *p, ISzAlloc *alloc) -{ - size_t i; - for (i = 0; i < p->num; i++) - Xz_Free(&p->streams[i], alloc); - alloc->Free(alloc, p->streams); - p->num = p->numAllocated = 0; - p->streams = 0; -} - -UInt64 Xzs_GetNumBlocks(const CXzs *p) -{ - UInt64 num = 0; - size_t i; - for (i = 0; i < p->num; i++) - num += p->streams[i].numBlocks; - return num; -} - -UInt64 Xzs_GetUnpackSize(const CXzs *p) -{ - UInt64 size = 0; - size_t i; - for (i = 0; i < p->num; i++) - ADD_SIZE_CHECH(size, Xz_GetUnpackSize(&p->streams[i])); - return size; -} - -/* -UInt64 Xzs_GetPackSize(const CXzs *p) -{ - UInt64 size = 0; - size_t i; - for (i = 0; i < p->num; i++) - ADD_SIZE_CHECH(size, Xz_GetTotalSize(&p->streams[i])); - return size; -} -*/ - -SRes Xzs_ReadBackward(CXzs *p, ILookInStream *stream, Int64 *startOffset, ICompressProgress *progress, ISzAlloc *alloc) -{ - Int64 endOffset = 0; - RINOK(stream->Seek(stream, &endOffset, SZ_SEEK_END)); - *startOffset = endOffset; - for (;;) - { - CXzStream st; - SRes res; - Xz_Construct(&st); - res = Xz_ReadBackward(&st, stream, startOffset, alloc); - st.startOffset = *startOffset; - RINOK(res); - if (p->num == p->numAllocated) - { - size_t newNum = p->num + p->num / 4 + 1; - Byte *data = (Byte *)alloc->Alloc(alloc, newNum * sizeof(CXzStream)); - if (data == 0) - return SZ_ERROR_MEM; - p->numAllocated = newNum; - if (p->num != 0) - memcpy(data, p->streams, p->num * sizeof(CXzStream)); - alloc->Free(alloc, p->streams); - p->streams = (CXzStream *)data; - } - p->streams[p->num++] = st; - if (*startOffset == 0) - break; - RINOK(stream->Seek(stream, startOffset, SZ_SEEK_SET)); - if (progress && progress->Progress(progress, endOffset - *startOffset, (UInt64)(Int64)-1) != SZ_OK) - return SZ_ERROR_PROGRESS; - } - return SZ_OK; -} |