diff options
| author | kh1 <karsten.heimrich@digia.com> | 2013-05-02 15:28:22 +0200 |
|---|---|---|
| committer | Karsten Heimrich <karsten.heimrich@digia.com> | 2013-05-08 13:01:55 +0200 |
| commit | d89674f944c419c9473da688993ee69671f2c295 (patch) | |
| tree | 8422461a5b45d97b6d32dfa8e060e69d600210c9 /src/libs/7zip/win/DOC | |
| parent | 5ed380ebcf8ef1157f651cbdef8393ccac897ee2 (diff) | |
Reset to only use the basic LZMA SDK (Windows).
Change-Id: I8088cc4775f6c5397991f00512354836d614ea4e
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
Diffstat (limited to 'src/libs/7zip/win/DOC')
| -rw-r--r-- | src/libs/7zip/win/DOC/7zC.txt | 194 | ||||
| -rw-r--r-- | src/libs/7zip/win/DOC/7zFormat.txt | 469 | ||||
| -rw-r--r-- | src/libs/7zip/win/DOC/License.txt | 52 | ||||
| -rw-r--r-- | src/libs/7zip/win/DOC/Methods.txt | 152 | ||||
| -rw-r--r-- | src/libs/7zip/win/DOC/copying.txt | 504 | ||||
| -rw-r--r-- | src/libs/7zip/win/DOC/history.txt | 456 | ||||
| -rw-r--r-- | src/libs/7zip/win/DOC/lzma.txt | 598 | ||||
| -rw-r--r-- | src/libs/7zip/win/DOC/readme.txt | 181 | ||||
| -rw-r--r-- | src/libs/7zip/win/DOC/unRarLicense.txt | 41 |
9 files changed, 0 insertions, 2647 deletions
diff --git a/src/libs/7zip/win/DOC/7zC.txt b/src/libs/7zip/win/DOC/7zC.txt deleted file mode 100644 index 5d5d06d7b..000000000 --- a/src/libs/7zip/win/DOC/7zC.txt +++ /dev/null @@ -1,194 +0,0 @@ -7z ANSI-C Decoder 4.62 ----------------------- - -7z ANSI-C provides 7z/LZMA decoding. -7z ANSI-C version is simplified version ported from C++ code. - -LZMA is default and general compression method of 7z format -in 7-Zip compression program (www.7-zip.org). LZMA provides high -compression ratio and very fast decompression. - - -LICENSE -------- - -7z ANSI-C Decoder is part of the LZMA SDK. -LZMA SDK is written and placed in the public domain by Igor Pavlov. - -Files ---------------------- - -7zDecode.* - Low level 7z decoding -7zExtract.* - High level 7z decoding -7zHeader.* - .7z format constants -7zIn.* - .7z archive opening -7zItem.* - .7z structures -7zMain.c - Test application - - -How To Use ----------- - -You must download 7-Zip program from www.7-zip.org. - -You can create .7z archive with 7z.exe or 7za.exe: - - 7za.exe a archive.7z *.htm -r -mx -m0fb=255 - -If you have big number of files in archive, and you need fast extracting, -you can use partly-solid archives: - - 7za.exe a archive.7z *.htm -ms=512K -r -mx -m0fb=255 -m0d=512K - -In that example 7-Zip will use 512KB solid blocks. So it needs to decompress only -512KB for extracting one file from such archive. - - -Limitations of current version of 7z ANSI-C Decoder ---------------------------------------------------- - - - It reads only "FileName", "Size", "LastWriteTime" and "CRC" information for each file in archive. - - It supports only LZMA and Copy (no compression) methods with BCJ or BCJ2 filters. - - It converts original UTF-16 Unicode file names to UTF-8 Unicode file names. - -These limitations will be fixed in future versions. - - -Using 7z ANSI-C Decoder Test application: ------------------------------------------ - -Usage: 7zDec <command> <archive_name> - -<Command>: - e: Extract files from archive - l: List contents of archive - t: Test integrity of archive - -Example: - - 7zDec l archive.7z - -lists contents of archive.7z - - 7zDec e archive.7z - -extracts files from archive.7z to current folder. - - -How to use .7z Decoder ----------------------- - -Memory allocation -~~~~~~~~~~~~~~~~~ - -7z Decoder uses two memory pools: -1) Temporary pool -2) Main pool -Such scheme can allow you to avoid fragmentation of allocated blocks. - - -Steps for using 7z decoder --------------------------- - -Use code at 7zMain.c as example. - -1) Declare variables: - inStream /* implements ILookInStream interface */ - CSzArEx db; /* 7z archive database structure */ - ISzAlloc allocImp; /* memory functions for main pool */ - ISzAlloc allocTempImp; /* memory functions for temporary pool */ - -2) call CrcGenerateTable(); function to initialize CRC structures. - -3) call SzArEx_Init(&db); function to initialize db structures. - -4) call SzArEx_Open(&db, inStream, &allocMain, &allocTemp) to open archive - -This function opens archive "inStream" and reads headers to "db". -All items in "db" will be allocated with "allocMain" functions. -SzArEx_Open function allocates and frees temporary structures by "allocTemp" functions. - -5) List items or Extract items - - Listing code: - ~~~~~~~~~~~~~ - { - UInt32 i; - for (i = 0; i < db.db.NumFiles; i++) - { - CFileItem *f = db.db.Files + i; - printf("%10d %s\n", (int)f->Size, f->Name); - } - } - - Extracting code: - ~~~~~~~~~~~~~~~~ - - SZ_RESULT SzAr_Extract( - CArchiveDatabaseEx *db, - ILookInStream *inStream, - UInt32 fileIndex, /* index of file */ - UInt32 *blockIndex, /* index of solid block */ - Byte **outBuffer, /* pointer to pointer to output buffer (allocated with allocMain) */ - size_t *outBufferSize, /* buffer size for output buffer */ - size_t *offset, /* offset of stream for required file in *outBuffer */ - size_t *outSizeProcessed, /* size of file in *outBuffer */ - ISzAlloc *allocMain, - ISzAlloc *allocTemp); - - If you need to decompress more than one file, you can send these values from previous call: - blockIndex, - outBuffer, - outBufferSize, - You can consider "outBuffer" as cache of solid block. If your archive is solid, - it will increase decompression speed. - - After decompressing you must free "outBuffer": - allocImp.Free(outBuffer); - -6) call SzArEx_Free(&db, allocImp.Free) to free allocated items in "db". - - - - -Memory requirements for .7z decoding ------------------------------------- - -Memory usage for Archive opening: - - Temporary pool: - - Memory for uncompressed .7z headers - - some other temporary blocks - - Main pool: - - Memory for database: - Estimated size of one file structures in solid archive: - - Size (4 or 8 Bytes) - - CRC32 (4 bytes) - - LastWriteTime (8 bytes) - - Some file information (4 bytes) - - File Name (variable length) + pointer + allocation structures - -Memory usage for archive Decompressing: - - Temporary pool: - - Memory for LZMA decompressing structures - - Main pool: - - Memory for decompressed solid block - - Memory for temprorary buffers, if BCJ2 fileter is used. Usually these - temprorary buffers can be about 15% of solid block size. - - -7z Decoder doesn't allocate memory for compressed blocks. -Instead of this, you must allocate buffer with desired -size before calling 7z Decoder. Use 7zMain.c as example. - - -Defines -------- - -_SZ_ALLOC_DEBUG - define it if you want to debug alloc/free operations to stderr. - - ---- - -http://www.7-zip.org -http://www.7-zip.org/sdk.html -http://www.7-zip.org/support.html diff --git a/src/libs/7zip/win/DOC/7zFormat.txt b/src/libs/7zip/win/DOC/7zFormat.txt deleted file mode 100644 index 55b52b1b9..000000000 --- a/src/libs/7zip/win/DOC/7zFormat.txt +++ /dev/null @@ -1,469 +0,0 @@ -7z Format description (4.59) ----------------------------- - -This file contains description of 7z archive format. -7z archive can contain files compressed with any method. -See "Methods.txt" for description for defined compressing methods. - - -Format structure Overview -------------------------- - -Some fields can be optional. - -Archive structure -~~~~~~~~~~~~~~~~~ -SignatureHeader -[PackedStreams] -[PackedStreamsForHeaders] -[ - Header - or - { - Packed Header - HeaderInfo - } -] - - - -Header structure -~~~~~~~~~~~~~~~~ -{ - ArchiveProperties - AdditionalStreams - { - PackInfo - { - PackPos - NumPackStreams - Sizes[NumPackStreams] - CRCs[NumPackStreams] - } - CodersInfo - { - NumFolders - Folders[NumFolders] - { - NumCoders - CodersInfo[NumCoders] - { - ID - NumInStreams; - NumOutStreams; - PropertiesSize - Properties[PropertiesSize] - } - NumBindPairs - BindPairsInfo[NumBindPairs] - { - InIndex; - OutIndex; - } - PackedIndices - } - UnPackSize[Folders][Folders.NumOutstreams] - CRCs[NumFolders] - } - SubStreamsInfo - { - NumUnPackStreamsInFolders[NumFolders]; - UnPackSizes[] - CRCs[] - } - } - MainStreamsInfo - { - (Same as in AdditionalStreams) - } - FilesInfo - { - NumFiles - Properties[] - { - ID - Size - Data - } - } -} - -HeaderInfo structure -~~~~~~~~~~~~~~~~~~~~ -{ - (Same as in AdditionalStreams) -} - - - -Notes about Notation and encoding ---------------------------------- - -7z uses little endian encoding. - -7z archive format has optional headers that are marked as -[] -Header -[] - -REAL_UINT64 means real UINT64. - -UINT64 means real UINT64 encoded with the following scheme: - - Size of encoding sequence depends from first byte: - First_Byte Extra_Bytes Value - (binary) - 0xxxxxxx : ( xxxxxxx ) - 10xxxxxx BYTE y[1] : ( xxxxxx << (8 * 1)) + y - 110xxxxx BYTE y[2] : ( xxxxx << (8 * 2)) + y - ... - 1111110x BYTE y[6] : ( x << (8 * 6)) + y - 11111110 BYTE y[7] : y - 11111111 BYTE y[8] : y - - - -Property IDs ------------- - -0x00 = kEnd - -0x01 = kHeader - -0x02 = kArchiveProperties - -0x03 = kAdditionalStreamsInfo -0x04 = kMainStreamsInfo -0x05 = kFilesInfo - -0x06 = kPackInfo -0x07 = kUnPackInfo -0x08 = kSubStreamsInfo - -0x09 = kSize -0x0A = kCRC - -0x0B = kFolder - -0x0C = kCodersUnPackSize -0x0D = kNumUnPackStream - -0x0E = kEmptyStream -0x0F = kEmptyFile -0x10 = kAnti - -0x11 = kName -0x12 = kCTime -0x13 = kATime -0x14 = kMTime -0x15 = kWinAttributes -0x16 = kComment - -0x17 = kEncodedHeader - -0x18 = kStartPos -0x19 = kDummy - - -7z format headers ------------------ - -SignatureHeader -~~~~~~~~~~~~~~~ - BYTE kSignature[6] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C}; - - ArchiveVersion - { - BYTE Major; // now = 0 - BYTE Minor; // now = 2 - }; - - UINT32 StartHeaderCRC; - - StartHeader - { - REAL_UINT64 NextHeaderOffset - REAL_UINT64 NextHeaderSize - UINT32 NextHeaderCRC - } - - -........................... - - -ArchiveProperties -~~~~~~~~~~~~~~~~~ -BYTE NID::kArchiveProperties (0x02) -for (;;) -{ - BYTE PropertyType; - if (aType == 0) - break; - UINT64 PropertySize; - BYTE PropertyData[PropertySize]; -} - - -Digests (NumStreams) -~~~~~~~~~~~~~~~~~~~~~ - BYTE AllAreDefined - if (AllAreDefined == 0) - { - for(NumStreams) - BIT Defined - } - UINT32 CRCs[NumDefined] - - -PackInfo -~~~~~~~~~~~~ - BYTE NID::kPackInfo (0x06) - UINT64 PackPos - UINT64 NumPackStreams - - [] - BYTE NID::kSize (0x09) - UINT64 PackSizes[NumPackStreams] - [] - - [] - BYTE NID::kCRC (0x0A) - PackStreamDigests[NumPackStreams] - [] - - BYTE NID::kEnd - - -Folder -~~~~~~ - UINT64 NumCoders; - for (NumCoders) - { - BYTE - { - 0:3 CodecIdSize - 4: Is Complex Coder - 5: There Are Attributes - 6: Reserved - 7: There are more alternative methods. (Not used anymore, must be 0). - } - BYTE CodecId[CodecIdSize] - if (Is Complex Coder) - { - UINT64 NumInStreams; - UINT64 NumOutStreams; - } - if (There Are Attributes) - { - UINT64 PropertiesSize - BYTE Properties[PropertiesSize] - } - } - - NumBindPairs = NumOutStreamsTotal - 1; - - for (NumBindPairs) - { - UINT64 InIndex; - UINT64 OutIndex; - } - - NumPackedStreams = NumInStreamsTotal - NumBindPairs; - if (NumPackedStreams > 1) - for(NumPackedStreams) - { - UINT64 Index; - }; - - - - -Coders Info -~~~~~~~~~~~ - - BYTE NID::kUnPackInfo (0x07) - - - BYTE NID::kFolder (0x0B) - UINT64 NumFolders - BYTE External - switch(External) - { - case 0: - Folders[NumFolders] - case 1: - UINT64 DataStreamIndex - } - - - BYTE ID::kCodersUnPackSize (0x0C) - for(Folders) - for(Folder.NumOutStreams) - UINT64 UnPackSize; - - - [] - BYTE NID::kCRC (0x0A) - UnPackDigests[NumFolders] - [] - - - - BYTE NID::kEnd - - - -SubStreams Info -~~~~~~~~~~~~~~ - BYTE NID::kSubStreamsInfo; (0x08) - - [] - BYTE NID::kNumUnPackStream; (0x0D) - UINT64 NumUnPackStreamsInFolders[NumFolders]; - [] - - - [] - BYTE NID::kSize (0x09) - UINT64 UnPackSizes[] - [] - - - [] - BYTE NID::kCRC (0x0A) - Digests[Number of streams with unknown CRC] - [] - - - BYTE NID::kEnd - - -Streams Info -~~~~~~~~~~~~ - - [] - PackInfo - [] - - - [] - CodersInfo - [] - - - [] - SubStreamsInfo - [] - - BYTE NID::kEnd - - -FilesInfo -~~~~~~~~~ - BYTE NID::kFilesInfo; (0x05) - UINT64 NumFiles - - for (;;) - { - BYTE PropertyType; - if (aType == 0) - break; - - UINT64 Size; - - switch(PropertyType) - { - kEmptyStream: (0x0E) - for(NumFiles) - BIT IsEmptyStream - - kEmptyFile: (0x0F) - for(EmptyStreams) - BIT IsEmptyFile - - kAnti: (0x10) - for(EmptyStreams) - BIT IsAntiFile - - case kCTime: (0x12) - case kATime: (0x13) - case kMTime: (0x14) - BYTE AllAreDefined - if (AllAreDefined == 0) - { - for(NumFiles) - BIT TimeDefined - } - BYTE External; - if(External != 0) - UINT64 DataIndex - [] - for(Definded Items) - UINT64 Time - [] - - kNames: (0x11) - BYTE External; - if(External != 0) - UINT64 DataIndex - [] - for(Files) - { - wchar_t Names[NameSize]; - wchar_t 0; - } - [] - - kAttributes: (0x15) - BYTE AllAreDefined - if (AllAreDefined == 0) - { - for(NumFiles) - BIT AttributesAreDefined - } - BYTE External; - if(External != 0) - UINT64 DataIndex - [] - for(Definded Attributes) - UINT32 Attributes - [] - } - } - - -Header -~~~~~~ - BYTE NID::kHeader (0x01) - - [] - ArchiveProperties - [] - - [] - BYTE NID::kAdditionalStreamsInfo; (0x03) - StreamsInfo - [] - - [] - BYTE NID::kMainStreamsInfo; (0x04) - StreamsInfo - [] - - [] - FilesInfo - [] - - BYTE NID::kEnd - - -HeaderInfo -~~~~~~~~~~ - [] - BYTE NID::kEncodedHeader; (0x17) - StreamsInfo for Encoded Header - [] - - ---- -End of document diff --git a/src/libs/7zip/win/DOC/License.txt b/src/libs/7zip/win/DOC/License.txt deleted file mode 100644 index a6a721853..000000000 --- a/src/libs/7zip/win/DOC/License.txt +++ /dev/null @@ -1,52 +0,0 @@ - 7-Zip source code - ~~~~~~~~~~~~~~~~~ - License for use and distribution - ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - - 7-Zip Copyright (C) 1999-2010 Igor Pavlov. - - Licenses for files are: - - 1) CPP/7zip/Compress/Rar* files: GNU LGPL + unRAR restriction - 2) All other files: GNU LGPL - - The GNU LGPL + unRAR restriction means that you must follow both - GNU LGPL rules and unRAR restriction rules. - - - GNU LGPL information - -------------------- - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - - unRAR restriction - ----------------- - - The decompression engine for RAR archives was developed using source - code of unRAR program. - All copyrights to original unRAR code are owned by Alexander Roshal. - - The license for original unRAR code has the following restriction: - - The unRAR sources cannot be used to re-create the RAR compression algorithm, - which is proprietary. Distribution of modified unRAR sources in separate form - or as a part of other software is permitted, provided that it is clearly - stated in the documentation and source comments that the code may - not be used to develop a RAR (WinRAR) compatible archiver. - - - -- - Igor Pavlov diff --git a/src/libs/7zip/win/DOC/Methods.txt b/src/libs/7zip/win/DOC/Methods.txt deleted file mode 100644 index f52e7c315..000000000 --- a/src/libs/7zip/win/DOC/Methods.txt +++ /dev/null @@ -1,152 +0,0 @@ -7-Zip method IDs (9.18) ------------------------ - -Each compression or crypto method in 7z has unique binary value (ID). -The length of ID in bytes is arbitrary but it can not exceed 63 bits (8 bytes). - -If you want to add some new ID, you have two ways: -1) Write request for allocating IDs to 7-zip developers. -2) Generate 8-bytes ID: - - 3F ZZ ZZ ZZ ZZ ZZ MM MM - - 3F - Prefix for random IDs (1 byte) - ZZ ZZ ZZ ZZ ZZ - Developer ID (5 bytes). Use real random bytes. - - MM MM - Method ID (2 bytes) - - You can notify 7-Zip developers about your Developer ID / Method ID. - - Note: Use new ID only if old codec can not decode data encoded with new version. - - -List of defined IDs -------------------- - -00 - Copy - -03 - Delta -04 - x86 (BCJ) -05 - PPC (Big Endian) -06 - IA64 -07 - ARM (little endian) -08 - ARM Thumb (little endian) -09 - SPARC -21 - LZMA2 - -02.. - Common - 03 Swap - - 2 Swap2 - - 4 Swap4 - -03.. - 7z - 01 - LZMA - 01 - Version - - 03 - Branch - 01 - x86 - 03 - BCJ - 1B - BCJ2 - 02 - PPC - 05 - PPC (Big Endian) - 03 - Alpha - 01 - Alpha - 04 - IA64 - 01 - IA64 - 05 - ARM - 01 - ARM - 06 - M68 - 05 - M68 (Big Endian) - 07 - ARM Thumb - 01 - ARMT - 08 - SPARC - 05 - SPARC - - 04 - PPMD - 01 - Version - - 7F - - 01 - experimental methods. - - -04.. - Misc - 00 - Reserved - 01 - Zip - 00 - Copy (not used). Use {00} instead - 01 - Shrink - 06 - Implode - 08 - Deflate - 09 - Deflate64 - 10 - Imploding - 12 - BZip2 (not used). Use {04 02 02} instead - 14 - LZMA - 60 - Jpeg - 61 - WavPack - 62 - PPMd - 63 - wzAES - 02 - BZip - 02 - BZip2 - 03 - Rar - 01 - Rar15 - 02 - Rar20 - 03 - Rar29 - 04 - Arj - 01 - Arj (1,2,3) - 02 - Arj 4 - 05 - Z - 06 - Lzh - 07 - Reserved for 7z - 08 - Cab - 09 - NSIS - 01 - DeflateNSIS - 02 - BZip2NSIS - - -06.. - Crypto - 00 - - 01 - AES - 0x - AES-128 - 4x - AES-192 - 8x - AES-256 - Cx - AES - - x0 - ECB - x1 - CBC - x2 - CFB - x3 - OFB - - 07 - Reserved - 0F - Reserved - - F0 - Misc Ciphers (Real Ciphers without hashing algo) - - F1 - Misc Ciphers (Combine) - 01 - Zip - 01 - Main Zip crypto algo - 03 - RAR - 02 - - 03 - Rar29 AES-128 + (modified SHA-1) - 07 - 7z - 01 - AES-256 + SHA-256 - -07.. - Hash (subject to change) - 00 - - 01 - CRC - 02 - SHA-1 - 03 - SHA-256 - 04 - SHA-384 - 05 - SHA-512 - - F0 - Misc Hash - - F1 - Misc - 03 - RAR - 03 - Rar29 Password Hashing (modified SHA1) - 07 - 7z - 01 - SHA-256 Password Hashing - - - - ---- -End of document diff --git a/src/libs/7zip/win/DOC/copying.txt b/src/libs/7zip/win/DOC/copying.txt deleted file mode 100644 index 4c3890127..000000000 --- a/src/libs/7zip/win/DOC/copying.txt +++ /dev/null @@ -1,504 +0,0 @@ - GNU LESSER GENERAL PUBLIC LICENSE - Version 2.1, February 1999 - - Copyright (C) 1991, 1999 Free Software Foundation, Inc. - 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - -[This is the first released version of the Lesser GPL. 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Now there are 3 modes: - 1) Default mode: 7-Zip uses UTF-8, if the local code page doesn't contain required symbols. - 2) -mcu switch: 7-Zip uses UTF-8, if there are non-ASCII symbols. - 3) -mcl switch: 7-Zip uses local code page. -- Now it's possible to use -mSW- and -mSW+ switches instead of -mSW=off and -mSW=on - - -4.58 alpha 7 2008-04-08 -------------------------- -- BUG was fixed: BZip2Encoder and BZip2Decoder used CEvent objects without - creating, when BZip2 code was called with one thread (with -mmt1 switch or with - default switches on single thread CPU). -- .lzma support. -- RPM and NSIS support was improved. -- LZMA now stores only (2 << n) or (3 << n) dictionary size value to LZMA properties. - - -4.58 alpha 6 2008-03-27 -------------------------- -- NTFS time extra in ZIP. -- New item property - kpidTimeType - VT_UI4 (0 - NTFS, 1 - Unix, 2 - DOS). -- Static CRC table is not required now for Lzma Encoder (in Lz MatchFinder). - - -4.58 alpha 5 2008-03-19 -------------------------- -- Creation time (-mtc switch) for .7z archives -- LZMA encoder was converted to ANSI-C - - -4.58 alpha 3 2008-02-25 -------------------------- -- Speed optimizations for LZMA decoding. Now it uses C code instead of C++. -- 7-Zip now has 128 MB dictionary limit for 32-bit version: - It's for speed optimization: kNumLogBits = 9 + sizeof(size_t) / 2; -- TAR: 'D' link flag support. -- 7-Zip now can unpack multivolume RAR archives created with - "old style volume names" scheme (-vn switch) and names *.001, *.002, ... -- Fixed bugs: - - 7-Zip FM could not copy / move files to root network folders like \\COMPNAME\FOLDERNAME\ - In case of move it removed original files. - - SFX-WIN: if there are errors, it still could return 0. - - ZIP (.XPS file) isZip64 && thisDiskNumber16 == 0xFFFF. - - ZIP name updating: - If zip file contains extra field and you try to change properties of files, - 7-zip tries to delete all extra fileds (except for WzAES). - And that code could hang. - - 7-Zip GUI didn't suggest BZip2 dictionary size used in previous run. - - If creation time stamp was included in .RAR archive, 7-zip used creation time stamp - as modification time stamp. - -4.58 alpha 2 2007-12-31 -------------------------- -- Small changes in Deflate and LZMA compression. -- Some speed optimizations. - - -4.57 ----- -- Bug was fixed: - Anti item is created for wrong file: - http://sourceforge.net/forum/forum.php?thread_id=1880366&forum_id=45798 - - -4.52 beta 2007-07-32 -------------------------- -- 7-Zip could not decompress some cab files -- "." dir creating at FAT was fixed / long names - - -4.50 beta 2007-07-24 -------------------------- -- 7-Zip now replaces unsupported filenames (like "nul", "com1") during extracting. -- New switch for command line version: - -ssc[-] enables/disables case-sensitive mode. -- 7z.exe l shows archive comment for zip archives -- Some bugs were fixed: long paths names shorter than 4. -- Speed optimizations for AES encryption. - - - -4.56 beta 2007-09-13 -------------------------- -- some fixes in LZ encoder (LZMA and Deflate) code. - size_t was replaces to ptrdiff_t. - size_t version worked incorrectly with some compilers. - - -4.46 beta 2007-05-25 -------------------------- -- CPP Synchronization objects now return HRes (error code) instead of bool. - - -4.45 beta 2007-04-16 -------------------------- -- 7-Zip now uses C version of CRC, so you must call CrcGenerateTable at - stratup code, or you must add CPP/Common/CRC.cpp to your project. -- Method ID in .7z now is 63-bit integer (UInt64). -- Open error messages -- unRar 1.5 fixed -- unShrink fixed -- BUG of 4.43 beta and 4.44 beta was fixed. - 7-Zip compressing to .zip in multi-threading mode didn't work in some cases. - - -4.44 beta 2007-01-20 -------------------------- - -- Bug was fixed: LZMAEncoder.cpp::CEncoder::GetOptimumFast - it was: - data++ - fixed version: - data = _matchFinder.GetPointerToCurrentPos(_matchFinderObj) - 1; - It could lead to very small cpmpression ratio decreasing when block needs move. - - -4.30 beta 2005-11-18 -------------------------- -- Security.h::AddLockMemoryPrivilege - installs "Large pages" feature -- MemoryLock.h::EnableLockMemoryPrivilege - enables "Large pages" feature -- Alloc.h::SetLargePageSize - sets optimal LargePageSize size - - -4.27 2005-09-21 -------------------------- -- Some GUIDs/interfaces were changed. - IStream.h: - ISequentialInStream::Read now works as old ReadPart - ISequentialOutStream::Write now works as old WritePart - - -4.26 beta 2005-08-05 -------------------------- -- MyAlloc(0)/BigAlloc(0) now return 0 - - -4.25 beta 2005-07-31 -------------------------- -- More 64-bit compatibilty - - -4.24 beta 2005-07-06 -------------------------- -- Common\NewHandler.h: using throw() for code size optimization. - - -4.23 2005-06-29 -------------------------- -- Bug was fixed: memory leak in Cab decoder. - - -4.19 beta 2005-05-21 -------------------------- -- BZip2 code was rewritten. Now 7-Zip doesn't use original BZip2 code. - Old (original) version was moved to folder 7zip/Compress/BZip2Original/ - - -4.14 beta 2005-01-11 -------------------------- -- STL using was reduced -- 7za now supports Split(001) archves - - -4.10 beta 2004-10-21 -------------------------- -- Codecs now use new interface: ICompressSetDecoderProperties2 - - -4.07 beta 2004-10-03 -------------------------- -- some interfaces were changed slightly to support - -stdin -stdout mode. -- FilterCoder for simple filters -- Wildcard censor class was changed. -- Bug was fixed: when encrypted stream was multiple 16, - it used additional 16 empty bytes. - - -3.11 2003-10-06 -------------------------- - File functions support unicode strings even - on Windows 95/98/ME. - - -3.08.02 2003-09-20 -------------------------- - More compatible with GCC. - - -3.08.02 beta 2003-08-20 -------------------------- - Extracting bug in 7zExtract.cpp was fixed. - - -3.08 beta 2003-08-19 -------------------------- - Big source code reconstruction. - - -2.30 Beta 32 2003-05-15 -------------------------- - Small changes in Deflate decoder. - - -2.30 Beta 31 2003-04-29 -------------------------- - Common/NewHandler.cpp - HeapAlloc in (included to beta 30) was changed to malloc. - HeapAlloc worked slower in Win95/98/Me. - - -2.30 Beta 30 2003-04-21 -------------------------- - new file: Common/String.cpp - Common/NewHandler.* were changed - - -2.30 Beta 29 2003-04-07 -------------------------- - Small changes in LZMA code. - - -2.30 Beta 28 2003-02-16 -------------------------- - Processing anti-files was corrected. - - -2.30 Beta 27 2003-01-24 -------------------------- - Project/Archiver/Format/Common/ArchiveInterface.h: - new IArchiveOpenVolumeCallback interface. - - -2.30 Beta 26 2003-01-12 -------------------------- - SDK/Interface/PropID.h: - kpidComment now is kpidCommented - - -2.30 Beta 25 2003-01-02 -------------------------- - Main archive interfaces were changed. - - -2.30 Beta 24 2002-11-01 -------------------------- - SDK/Windows/Synchronization.h - SDK/Windows/Synchronization.cpp - - some changes. - - -2.30 Beta 23 2002-09-07 -------------------------- - Project/FileManager folder was added. - Notation of some source files was changed. - - -2.30 Beta 22 2002-08-28 -------------------------- - Project/FileManager folder was added. - Notation of some source files was changed. - - - -2.30 Beta 21 2002-07-08 -------------------------- - Project/Compress/LZ/MatchFinder/BinTree/BinTree.h - Project/Compress/LZ/MatchFinder/BinTree/BinTreeMain.h - Project/Compress/LZ/MatchFinder/BinTree/HC.h - Project/Compress/LZ/MatchFinder/BinTree/HCMain.h - - RAM requirements for LZMA (7z) compression were reduced. - - -2.30 Beta 20 2002-07-01 -------------------------- -- SDK/Stream/WindowOut.h - now it uses only required memory (dictionary size). -- Project/Archiver/Resource - contains common resurces - - -2.30 Beta 19 2002-04-11 -------------------------- -- SDK/Archive/Rar/Handler.cpp - supporting RAR29 - -2.30 Beta 18 2002-03-25 -------------------------- -- SDK/Archive/Cab/MSZipDecoder.cpp - SDK/Archive/Cab/LZXDecoder.cpp: - bug with corrupted archives was fixed -- Project/Compress/LZ/MatchFinder/BinTree/BinTree.h -- Project/Compress/LZ/MatchFinder/BinTree/BinTreeMain.h - some speed optimization (using prefetching) - - -2.30 Beta 17 2002-03-03 -------------------------- -- ARJ suppport. - - -2.30 Beta 16 2002-02-24 -------------------------- -- Project/Compress/LZ/LZMA/Decoder.cpp: - Bug was fixed: LZMA could not extract more than 4 GB. -- RPM and CPIO formats. -- Project/Compress/LZ/LZMA/Encoder.* - Project/Archiver/Format/7z/OutHandler.cpp - New fast compression mode for LZMA: -m0a=0. -- New match finders for LZMA: bt4b, hc3, hc4. - - -2.30 Beta 15 2002-02-17 -------------------------- -- Compression ratio in LZMA was slightly improved: - Project/Compress/LZ/LZMA/Encoder.* - Project/Archiver/Format/7z/OutHandler.cpp - - -2.30 Beta 14 2002-02-10 -------------------------- -- Supporting multithreading for LZMA: - Project/Compress/LZ/MatchFinder/MT -- Common/String.h: - CStringBase::Replace function was fixed. - - -2.30 Beta 13 2002-01-27 -------------------------- -- Compress/LZ/MatchFinder/BinTree3.h: - method -- Compress/LZ/MatchFinder/BinTreemain.h: - - one VirtualAlloc array was splitted to - the for 3 arrays. - - Hash-functions were changed. - - - -2.30 Beta 12 2002-01-16 -------------------------- -- Compress/LZ/MatchFinder/BinTreemain.h: - Compress/LZ/MatchFinder/Patricia.h: - Compress/PPM/PPMd/SubAlloc.h: - Beta 11 bugs were fixed: - - VirtualFree was used incorrectly - - checking WIN32 instead _WINDOWS. - Compress/LZ/MatchFinder/Patricia.h: - Beta 11 bug with deleting m_Hash2Descendants was fixed. - - -2.30 Beta 11 2002-01-15 -------------------------- -- Compress/LZ/MatchFinder/BinTreemain.h: - Compress/LZ/MatchFinder/Patricia.h: - Compress/PPM/PPMd/SubAlloc.h: - using VirtualAlloc for memory allocating -- Exlorer/ContextMenu.cpp: - Testing supporting. - CreateProcess instead WinExec -- Format/Common/IArchiveHandler.h: - Exlorer/ProxyHandler.cpp: - FAR/Plugin.cpp: - New properties names: Method, HostOS. -- Exlorer/OverwriteDialog.cpp: - FAR/OverwriteDialog.cpp: - Windows/PropVariantConversions.h - Using National time format was eliminated. - - - -2.30 Beta 10 2002-01-11 -------------------------- -- Exlorer/ContextMenu.cpp: bug with context menu on - Windows NT4 in Unicode version was fixed. -- Format/7z/UpdateArchiveEngine.cpp: bug was fixed - - Updating in Beta 8 and 9 didn't work. -- Exlorer/CCompressDialog.cpp: history growing bug was fixed. - - -2.30 Beta 9 2002-01-08 -------------------------- -- SDK/Common/Vector.h: sopporting sorted object vectors . -- Lang features. -- Two new match finders: pat3h and pat4h. -- SDK/Archive/Zip/InEngine.cpp: bug was fixed. -- SDK/Windows/FileDir.cpp: function CreateComplexDirectory - was changed. - diff --git a/src/libs/7zip/win/DOC/lzma.txt b/src/libs/7zip/win/DOC/lzma.txt deleted file mode 100644 index 659323237..000000000 --- a/src/libs/7zip/win/DOC/lzma.txt +++ /dev/null @@ -1,598 +0,0 @@ -LZMA SDK 9.20 -------------- - -LZMA SDK provides the documentation, samples, header files, libraries, -and tools you need to develop applications that use LZMA compression. - -LZMA is default and general compression method of 7z format -in 7-Zip compression program (www.7-zip.org). LZMA provides high -compression ratio and very fast decompression. - -LZMA is an improved version of famous LZ77 compression algorithm. -It was improved in way of maximum increasing of compression ratio, -keeping high decompression speed and low memory requirements for -decompressing. - - - -LICENSE -------- - -LZMA SDK is written and placed in the public domain by Igor Pavlov. - -Some code in LZMA SDK is based on public domain code from another developers: - 1) PPMd var.H (2001): Dmitry Shkarin - 2) SHA-256: Wei Dai (Crypto++ library) - - -LZMA SDK Contents ------------------ - -LZMA SDK includes: - - - ANSI-C/C++/C#/Java source code for LZMA compressing and decompressing - - Compiled file->file LZMA compressing/decompressing program for Windows system - - -UNIX/Linux version ------------------- -To compile C++ version of file->file LZMA encoding, go to directory -CPP/7zip/Bundles/LzmaCon -and call make to recompile it: - make -f makefile.gcc clean all - -In some UNIX/Linux versions you must compile LZMA with static libraries. -To compile with static libraries, you can use -LIB = -lm -static - - -Files ---------------------- -lzma.txt - LZMA SDK description (this file) -7zFormat.txt - 7z Format description -7zC.txt - 7z ANSI-C Decoder description -methods.txt - Compression method IDs for .7z -lzma.exe - Compiled file->file LZMA encoder/decoder for Windows -7zr.exe - 7-Zip with 7z/lzma/xz support. -history.txt - history of the LZMA SDK - - -Source code structure ---------------------- - -C/ - C files - 7zCrc*.* - CRC code - Alloc.* - Memory allocation functions - Bra*.* - Filters for x86, IA-64, ARM, ARM-Thumb, PowerPC and SPARC code - LzFind.* - Match finder for LZ (LZMA) encoders - LzFindMt.* - Match finder for LZ (LZMA) encoders for multithreading encoding - LzHash.h - Additional file for LZ match finder - LzmaDec.* - LZMA decoding - LzmaEnc.* - LZMA encoding - LzmaLib.* - LZMA Library for DLL calling - Types.h - Basic types for another .c files - Threads.* - The code for multithreading. - - LzmaLib - LZMA Library (.DLL for Windows) - - LzmaUtil - LZMA Utility (file->file LZMA encoder/decoder). - - Archive - files related to archiving - 7z - 7z ANSI-C Decoder - -CPP/ -- CPP files - - Common - common files for C++ projects - Windows - common files for Windows related code - - 7zip - files related to 7-Zip Project - - Common - common files for 7-Zip - - Compress - files related to compression/decompression - - Archive - files related to archiving - - Common - common files for archive handling - 7z - 7z C++ Encoder/Decoder - - Bundles - Modules that are bundles of other modules - - Alone7z - 7zr.exe: Standalone version of 7z.exe that supports only 7z/LZMA/BCJ/BCJ2 - LzmaCon - lzma.exe: LZMA compression/decompression - Format7zR - 7zr.dll: Reduced version of 7za.dll: extracting/compressing to 7z/LZMA/BCJ/BCJ2 - Format7zExtractR - 7zxr.dll: Reduced version of 7zxa.dll: extracting from 7z/LZMA/BCJ/BCJ2. - - UI - User Interface files - - Client7z - Test application for 7za.dll, 7zr.dll, 7zxr.dll - Common - Common UI files - Console - Code for console archiver - - - -CS/ - C# files - 7zip - Common - some common files for 7-Zip - Compress - files related to compression/decompression - LZ - files related to LZ (Lempel-Ziv) compression algorithm - LZMA - LZMA compression/decompression - LzmaAlone - file->file LZMA compression/decompression - RangeCoder - Range Coder (special code of compression/decompression) - -Java/ - Java files - SevenZip - Compression - files related to compression/decompression - LZ - files related to LZ (Lempel-Ziv) compression algorithm - LZMA - LZMA compression/decompression - RangeCoder - Range Coder (special code of compression/decompression) - - -C/C++ source code of LZMA SDK is part of 7-Zip project. -7-Zip source code can be downloaded from 7-Zip's SourceForge page: - - http://sourceforge.net/projects/sevenzip/ - - - -LZMA features -------------- - - Variable dictionary size (up to 1 GB) - - Estimated compressing speed: about 2 MB/s on 2 GHz CPU - - Estimated decompressing speed: - - 20-30 MB/s on 2 GHz Core 2 or AMD Athlon 64 - - 1-2 MB/s on 200 MHz ARM, MIPS, PowerPC or other simple RISC - - Small memory requirements for decompressing (16 KB + DictionarySize) - - Small code size for decompressing: 5-8 KB - -LZMA decoder uses only integer operations and can be -implemented in any modern 32-bit CPU (or on 16-bit CPU with some conditions). - -Some critical operations that affect the speed of LZMA decompression: - 1) 32*16 bit integer multiply - 2) Misspredicted branches (penalty mostly depends from pipeline length) - 3) 32-bit shift and arithmetic operations - -The speed of LZMA decompressing mostly depends from CPU speed. -Memory speed has no big meaning. But if your CPU has small data cache, -overall weight of memory speed will slightly increase. - - -How To Use ----------- - -Using LZMA encoder/decoder executable --------------------------------------- - -Usage: LZMA <e|d> inputFile outputFile [<switches>...] - - e: encode file - - d: decode file - - b: Benchmark. There are two tests: compressing and decompressing - with LZMA method. Benchmark shows rating in MIPS (million - instructions per second). Rating value is calculated from - measured speed and it is normalized with Intel's Core 2 results. - Also Benchmark checks possible hardware errors (RAM - errors in most cases). Benchmark uses these settings: - (-a1, -d21, -fb32, -mfbt4). You can change only -d parameter. - Also you can change the number of iterations. Example for 30 iterations: - LZMA b 30 - Default number of iterations is 10. - -<Switches> - - - -a{N}: set compression mode 0 = fast, 1 = normal - default: 1 (normal) - - d{N}: Sets Dictionary size - [0, 30], default: 23 (8MB) - The maximum value for dictionary size is 1 GB = 2^30 bytes. - Dictionary size is calculated as DictionarySize = 2^N bytes. - For decompressing file compressed by LZMA method with dictionary - size D = 2^N you need about D bytes of memory (RAM). - - -fb{N}: set number of fast bytes - [5, 273], default: 128 - Usually big number gives a little bit better compression ratio - and slower compression process. - - -lc{N}: set number of literal context bits - [0, 8], default: 3 - Sometimes lc=4 gives gain for big files. - - -lp{N}: set number of literal pos bits - [0, 4], default: 0 - lp switch is intended for periodical data when period is - equal 2^N. For example, for 32-bit (4 bytes) - periodical data you can use lp=2. Often it's better to set lc0, - if you change lp switch. - - -pb{N}: set number of pos bits - [0, 4], default: 2 - pb switch is intended for periodical data - when period is equal 2^N. - - -mf{MF_ID}: set Match Finder. Default: bt4. - Algorithms from hc* group doesn't provide good compression - ratio, but they often works pretty fast in combination with - fast mode (-a0). - - Memory requirements depend from dictionary size - (parameter "d" in table below). - - MF_ID Memory Description - - bt2 d * 9.5 + 4MB Binary Tree with 2 bytes hashing. - bt3 d * 11.5 + 4MB Binary Tree with 3 bytes hashing. - bt4 d * 11.5 + 4MB Binary Tree with 4 bytes hashing. - hc4 d * 7.5 + 4MB Hash Chain with 4 bytes hashing. - - -eos: write End Of Stream marker. By default LZMA doesn't write - eos marker, since LZMA decoder knows uncompressed size - stored in .lzma file header. - - -si: Read data from stdin (it will write End Of Stream marker). - -so: Write data to stdout - - -Examples: - -1) LZMA e file.bin file.lzma -d16 -lc0 - -compresses file.bin to file.lzma with 64 KB dictionary (2^16=64K) -and 0 literal context bits. -lc0 allows to reduce memory requirements -for decompression. - - -2) LZMA e file.bin file.lzma -lc0 -lp2 - -compresses file.bin to file.lzma with settings suitable -for 32-bit periodical data (for example, ARM or MIPS code). - -3) LZMA d file.lzma file.bin - -decompresses file.lzma to file.bin. - - -Compression ratio hints ------------------------ - -Recommendations ---------------- - -To increase the compression ratio for LZMA compressing it's desirable -to have aligned data (if it's possible) and also it's desirable to locate -data in such order, where code is grouped in one place and data is -grouped in other place (it's better than such mixing: code, data, code, -data, ...). - - -Filters -------- -You can increase the compression ratio for some data types, using -special filters before compressing. For example, it's possible to -increase the compression ratio on 5-10% for code for those CPU ISAs: -x86, IA-64, ARM, ARM-Thumb, PowerPC, SPARC. - -You can find C source code of such filters in C/Bra*.* files - -You can check the compression ratio gain of these filters with such -7-Zip commands (example for ARM code): -No filter: - 7z a a1.7z a.bin -m0=lzma - -With filter for little-endian ARM code: - 7z a a2.7z a.bin -m0=arm -m1=lzma - -It works in such manner: -Compressing = Filter_encoding + LZMA_encoding -Decompressing = LZMA_decoding + Filter_decoding - -Compressing and decompressing speed of such filters is very high, -so it will not increase decompressing time too much. -Moreover, it reduces decompression time for LZMA_decoding, -since compression ratio with filtering is higher. - -These filters convert CALL (calling procedure) instructions -from relative offsets to absolute addresses, so such data becomes more -compressible. - -For some ISAs (for example, for MIPS) it's impossible to get gain from such filter. - - -LZMA compressed file format ---------------------------- -Offset Size Description - 0 1 Special LZMA properties (lc,lp, pb in encoded form) - 1 4 Dictionary size (little endian) - 5 8 Uncompressed size (little endian). -1 means unknown size - 13 Compressed data - - -ANSI-C LZMA Decoder -~~~~~~~~~~~~~~~~~~~ - -Please note that interfaces for ANSI-C code were changed in LZMA SDK 4.58. -If you want to use old interfaces you can download previous version of LZMA SDK -from sourceforge.net site. - -To use ANSI-C LZMA Decoder you need the following files: -1) LzmaDec.h + LzmaDec.c + Types.h -LzmaUtil/LzmaUtil.c is example application that uses these files. - - -Memory requirements for LZMA decoding -------------------------------------- - -Stack usage of LZMA decoding function for local variables is not -larger than 200-400 bytes. - -LZMA Decoder uses dictionary buffer and internal state structure. -Internal state structure consumes - state_size = (4 + (1.5 << (lc + lp))) KB -by default (lc=3, lp=0), state_size = 16 KB. - - -How To decompress data ----------------------- - -LZMA Decoder (ANSI-C version) now supports 2 interfaces: -1) Single-call Decompressing -2) Multi-call State Decompressing (zlib-like interface) - -You must use external allocator: -Example: -void *SzAlloc(void *p, size_t size) { p = p; return malloc(size); } -void SzFree(void *p, void *address) { p = p; free(address); } -ISzAlloc alloc = { SzAlloc, SzFree }; - -You can use p = p; operator to disable compiler warnings. - - -Single-call Decompressing -------------------------- -When to use: RAM->RAM decompressing -Compile files: LzmaDec.h + LzmaDec.c + Types.h -Compile defines: no defines -Memory Requirements: - - Input buffer: compressed size - - Output buffer: uncompressed size - - LZMA Internal Structures: state_size (16 KB for default settings) - -Interface: - int LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, - const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode, - ELzmaStatus *status, ISzAlloc *alloc); - In: - dest - output data - destLen - output data size - src - input data - srcLen - input data size - propData - LZMA properties (5 bytes) - propSize - size of propData buffer (5 bytes) - 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). - You can use LZMA_FINISH_END, when you know that - current output buffer covers last bytes of stream. - alloc - Memory allocator. - - Out: - destLen - processed output size - srcLen - processed input size - - Output: - 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). - - If LZMA decoder sees end_marker before reaching output limit, it returns OK result, - and output value of destLen will be less than output buffer size limit. - - 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. */ - - -Multi-call State Decompressing (zlib-like interface) ----------------------------------------------------- - -When to use: file->file decompressing -Compile files: LzmaDec.h + LzmaDec.c + Types.h - -Memory Requirements: - - Buffer for input stream: any size (for example, 16 KB) - - Buffer for output stream: any size (for example, 16 KB) - - LZMA Internal Structures: state_size (16 KB for default settings) - - LZMA dictionary (dictionary size is encoded in LZMA properties header) - -1) read LZMA properties (5 bytes) and uncompressed size (8 bytes, little-endian) to header: - unsigned char header[LZMA_PROPS_SIZE + 8]; - ReadFile(inFile, header, sizeof(header) - -2) Allocate CLzmaDec structures (state + dictionary) using LZMA properties - - CLzmaDec state; - LzmaDec_Constr(&state); - res = LzmaDec_Allocate(&state, header, LZMA_PROPS_SIZE, &g_Alloc); - if (res != SZ_OK) - return res; - -3) Init LzmaDec structure before any new LZMA stream. And call LzmaDec_DecodeToBuf in loop - - LzmaDec_Init(&state); - for (;;) - { - ... - int res = LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, - const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode); - ... - } - - -4) Free all allocated structures - LzmaDec_Free(&state, &g_Alloc); - -For full code example, look at C/LzmaUtil/LzmaUtil.c code. - - -How To compress data --------------------- - -Compile files: LzmaEnc.h + LzmaEnc.c + Types.h + -LzFind.c + LzFind.h + LzFindMt.c + LzFindMt.h + LzHash.h - -Memory Requirements: - - (dictSize * 11.5 + 6 MB) + state_size - -Lzma Encoder can use two memory allocators: -1) alloc - for small arrays. -2) allocBig - for big arrays. - -For example, you can use Large RAM Pages (2 MB) in allocBig allocator for -better compression speed. Note that Windows has bad implementation for -Large RAM Pages. -It's OK to use same allocator for alloc and allocBig. - - -Single-call Compression with callbacks --------------------------------------- - -Check C/LzmaUtil/LzmaUtil.c as example, - -When to use: file->file decompressing - -1) you must implement callback structures for interfaces: -ISeqInStream -ISeqOutStream -ICompressProgress -ISzAlloc - -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 }; - - CFileSeqInStream inStream; - CFileSeqOutStream outStream; - - inStream.funcTable.Read = MyRead; - inStream.file = inFile; - outStream.funcTable.Write = MyWrite; - outStream.file = outFile; - - -2) Create CLzmaEncHandle object; - - CLzmaEncHandle enc; - - enc = LzmaEnc_Create(&g_Alloc); - if (enc == 0) - return SZ_ERROR_MEM; - - -3) initialize CLzmaEncProps properties; - - LzmaEncProps_Init(&props); - - Then you can change some properties in that structure. - -4) Send LZMA properties to LZMA Encoder - - res = LzmaEnc_SetProps(enc, &props); - -5) Write encoded properties to header - - Byte header[LZMA_PROPS_SIZE + 8]; - size_t headerSize = LZMA_PROPS_SIZE; - UInt64 fileSize; - int i; - - res = LzmaEnc_WriteProperties(enc, header, &headerSize); - fileSize = MyGetFileLength(inFile); - for (i = 0; i < 8; i++) - header[headerSize++] = (Byte)(fileSize >> (8 * i)); - MyWriteFileAndCheck(outFile, header, headerSize) - -6) Call encoding function: - res = LzmaEnc_Encode(enc, &outStream.funcTable, &inStream.funcTable, - NULL, &g_Alloc, &g_Alloc); - -7) Destroy LZMA Encoder Object - LzmaEnc_Destroy(enc, &g_Alloc, &g_Alloc); - - -If callback function return some error code, LzmaEnc_Encode also returns that code -or it can return the code like SZ_ERROR_READ, SZ_ERROR_WRITE or SZ_ERROR_PROGRESS. - - -Single-call RAM->RAM Compression --------------------------------- - -Single-call RAM->RAM Compression is similar to Compression with callbacks, -but you provide pointers to buffers instead of pointers to stream callbacks: - -HRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, - CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark, - ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); - -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) - - - -Defines -------- - -_LZMA_SIZE_OPT - Enable some optimizations in LZMA Decoder to get smaller executable code. - -_LZMA_PROB32 - It can increase the speed on some 32-bit CPUs, but memory usage for - some structures will be doubled in that case. - -_LZMA_UINT32_IS_ULONG - Define it if int is 16-bit on your compiler and long is 32-bit. - -_LZMA_NO_SYSTEM_SIZE_T - Define it if you don't want to use size_t type. - - -_7ZIP_PPMD_SUPPPORT - Define it if you don't want to support PPMD method in AMSI-C .7z decoder. - - -C++ LZMA Encoder/Decoder -~~~~~~~~~~~~~~~~~~~~~~~~ -C++ LZMA code use COM-like interfaces. So if you want to use it, -you can study basics of COM/OLE. -C++ LZMA code is just wrapper over ANSI-C code. - - -C++ Notes -~~~~~~~~~~~~~~~~~~~~~~~~ -If you use some C++ code folders in 7-Zip (for example, C++ code for .7z handling), -you must check that you correctly work with "new" operator. -7-Zip can be compiled with MSVC 6.0 that doesn't throw "exception" from "new" operator. -So 7-Zip uses "CPP\Common\NewHandler.cpp" that redefines "new" operator: -operator new(size_t size) -{ - void *p = ::malloc(size); - if (p == 0) - throw CNewException(); - return p; -} -If you use MSCV that throws exception for "new" operator, you can compile without -"NewHandler.cpp". So standard exception will be used. Actually some code of -7-Zip catches any exception in internal code and converts it to HRESULT code. -So you don't need to catch CNewException, if you call COM interfaces of 7-Zip. - ---- - -http://www.7-zip.org -http://www.7-zip.org/sdk.html -http://www.7-zip.org/support.html diff --git a/src/libs/7zip/win/DOC/readme.txt b/src/libs/7zip/win/DOC/readme.txt deleted file mode 100644 index aad462642..000000000 --- a/src/libs/7zip/win/DOC/readme.txt +++ /dev/null @@ -1,181 +0,0 @@ -7-Zip 9.20 Sources ------------------- - -7-Zip is a file archiver for Windows. - -7-Zip Copyright (C) 1999-2010 Igor Pavlov. - - -License Info ------------- - -7-Zip is free software distributed under the GNU LGPL -(except for unRar code). -read License.txt for more infomation about license. - -Notes about unRAR license: - -Please check main restriction from unRar license: - - 2. The unRAR sources may be used in any software to handle RAR - archives without limitations free of charge, but cannot be used - to re-create the RAR compression algorithm, which is proprietary. - Distribution of modified unRAR sources in separate form or as a - part of other software is permitted, provided that it is clearly - stated in the documentation and source comments that the code may - not be used to develop a RAR (WinRAR) compatible archiver. - -In brief it means: -1) You can compile and use compiled files under GNU LGPL rules, since - unRAR license almost has no restrictions for compiled files. - You can link these compiled files to LGPL programs. -2) You can fix bugs in source code and use compiled fixed version. -3) You can not use unRAR sources to re-create the RAR compression algorithm. - - -LZMA SDK --------- - -Also this package contains files from LZMA SDK -you can download LZMA SDK from this page: -http://www.7-zip.org/sdk.html -read about addtional licenses for LZMA SDK in file -DOC/lzma.txt - - -How to compile --------------- -To compile sources you need Visual C++ 6.0. -For compiling some files you also need -new Platform SDK from Microsoft' Site: -http://www.microsoft.com/msdownload/platformsdk/sdkupdate/psdk-full.htm -or -http://www.microsoft.com/msdownload/platformsdk/sdkupdate/XPSP2FULLInstall.htm -or -http://www.microsoft.com/msdownload/platformsdk/sdkupdate/ - -If you use MSVC6, specify SDK directories at top of directories lists: -Tools / Options / Directories - - Include files - - Library files - - -To compile 7-Zip for AMD64 and IA64 you need: - Windows Server 2003 SP1 Platform SDK from microsoft.com - -Also you need Microsoft Macro Assembler: - - ml.exe for x86 - - ml64.exe for AMD64 -You can use ml.exe from Windows SDK for Windows Vista or some other version. - - -Compiling under Unix/Linux --------------------------- -Check this site for Posix/Linux version: -http://sourceforge.net/projects/p7zip/ - - -Notes: ------- -7-Zip consists of COM modules (DLL files). -But 7-Zip doesn't use standard COM interfaces for creating objects. -Look at -7zip\UI\Client7z folder for example of using DLL files of 7-Zip. -Some DLL files can use other DLL files from 7-Zip. -If you don't like it, you must use standalone version of DLL. -To compile standalone version of DLL you must include all used parts -to project and define some defs. -For example, 7zip\Bundles\Format7z is a standalone version of 7z.dll -that works with 7z format. So you can use such DLL in your project -without additional DLL files. - - -Description of 7-Zip sources package -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -DOC Documentation ---- - 7zFormat.txt - 7z format description - copying.txt - GNU LGPL license - unRarLicense.txt - License for unRAR part of source code - history.txt - Sources history - Methods.txt - Compression method IDs - readme.txt - Readme file - lzma.txt - LZMA SDK description - 7zip.nsi - installer script for NSIS - - -C - Source code in C -CPP - Source code in CPP - -Common Common modules -Windows Win32 wrappers - -7zip -------- - Common Common modules for 7-zip - - Archive 7-Zip Archive Format Plugins - -------- - Common - 7z - Arj - BZip2 - Cab - Cpio - GZip - Rar - Rpm - Split - Tar - Zip - - Bundle Modules that are bundles of other modules - ------ - Alone 7za.exe: Standalone version of 7z - Alone7z 7zr.exe: Standalone version of 7z that supports only 7z/LZMA/BCJ/BCJ2 - SFXCon 7zCon.sfx: Console 7z SFX module - SFXWin 7z.sfx: Windows 7z SFX module - SFXSetup 7zS.sfx: Windows 7z SFX module for Installers - Format7z 7za.dll: .7z support - Format7zExtract 7zxa.dll: .7z support, extracting only - Format7zR 7zr.dll: .7z support, LZMA/BCJ* only - Format7zExtractR 7zxr.dll: .7z support, LZMA/BCJ* only, extracting only - Format7zF 7z.dll: all formats - - UI - -- - Agent Intermediary modules for FAR plugin and Explorer plugin - Console 7z.exe Console version - Explorer Explorer plugin - Resource Resources - Far FAR plugin - Client7z Test application for 7za.dll - - Compress - -------- - BZip2 BZip2 compressor - Branch Branch converter - ByteSwap Byte Swap converter - Copy Copy coder - Deflate - Implode - Arj - LZMA - PPMd Dmitry Shkarin's PPMdH with small changes. - LZ Lempel - Ziv - - Crypto Crypto modules - ------ - 7zAES Cipher for 7z - AES AES Cipher - Rar20 Cipher for Rar 2.0 - RarAES Cipher for Rar 3.0 - Zip Cipher for Zip - - FileManager File Manager - - ---- -Igor Pavlov -http://www.7-zip.org diff --git a/src/libs/7zip/win/DOC/unRarLicense.txt b/src/libs/7zip/win/DOC/unRarLicense.txt deleted file mode 100644 index 5f78b728d..000000000 --- a/src/libs/7zip/win/DOC/unRarLicense.txt +++ /dev/null @@ -1,41 +0,0 @@ - ****** ***** ****** unRAR - free utility for RAR archives - ** ** ** ** ** ** ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - ****** ******* ****** License for use and distribution of - ** ** ** ** ** ** ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - ** ** ** ** ** ** FREE portable version - ~~~~~~~~~~~~~~~~~~~~~ - - The source code of unRAR utility is freeware. This means: - - 1. All copyrights to RAR and the utility unRAR are exclusively - owned by the author - Alexander Roshal. - - 2. The unRAR sources may be used in any software to handle RAR - archives without limitations free of charge, but cannot be used - to re-create the RAR compression algorithm, which is proprietary. - Distribution of modified unRAR sources in separate form or as a - part of other software is permitted, provided that it is clearly - stated in the documentation and source comments that the code may - not be used to develop a RAR (WinRAR) compatible archiver. - - 3. The unRAR utility may be freely distributed. No person or company - may charge a fee for the distribution of unRAR without written - permission from the copyright holder. - - 4. THE RAR ARCHIVER AND THE UNRAR UTILITY ARE DISTRIBUTED "AS IS". - NO WARRANTY OF ANY KIND IS EXPRESSED OR IMPLIED. YOU USE AT - YOUR OWN RISK. THE AUTHOR WILL NOT BE LIABLE FOR DATA LOSS, - DAMAGES, LOSS OF PROFITS OR ANY OTHER KIND OF LOSS WHILE USING - OR MISUSING THIS SOFTWARE. - - 5. Installing and using the unRAR utility signifies acceptance of - these terms and conditions of the license. - - 6. If you don't agree with terms of the license you must remove - unRAR files from your storage devices and cease to use the - utility. - - Thank you for your interest in RAR and unRAR. - - - Alexander L. Roshal
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