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// Common/String.cpp
#include "StdAfx.h"
#include <ctype.h>
#ifdef ENV_HAVE_WCTYPE_H
#include <wctype.h>
#endif
#include "StringConvert.h" // FIXED
#include "MyString.h" // FIXED to avoid confusion with <string.h> on some filesystems
#include <stdio.h>
#include <stdlib.h>
#ifdef ENV_HAVE_WCHAR__H
#include <wchar.h>
#endif
#include <limits.h>
#ifndef MB_LEN_MAX
#define MB_LEN_MAX 1024
#endif
#include "myPrivate.h"
LPSTR WINAPI CharPrevA( LPCSTR start, LPCSTR ptr ) { // OK for MBS
while (*start && (start < ptr)) {
LPCSTR next = CharNextA( start );
if (next >= ptr)
break;
start = next;
}
return (LPSTR)start;
}
LPSTR WINAPI CharNextA( LPCSTR ptr ) {
if (!*ptr)
return (LPSTR)ptr;
// #ifdef ENV_HAVE_MBRTOWC
// if (global_use_utf16_conversion)
// {
// wchar_t wc;
// size_t len = mbrtowc(&wc,ptr,MB_LEN_MAX,0); // mbrtowc stales on some configurations.
// if (len >= 1) return (LPSTR)(ptr + len);
// printf("INTERNAL ERROR - CharNextA\n");
// exit(EXIT_FAILURE);
// } else {
// return (LPSTR)(ptr + 1);
// }
//#else
return (LPSTR)(ptr + 1); // p7zip search only for ASCII characters like '/' so no need to worry about current locale
//#endif
}
char MyCharLower(char c)
{
int r = c & 0xFF;
return tolower(r);
}
wchar_t MyCharLower(wchar_t c)
{
#ifdef ENV_HAVE_TOWUPPER
return towlower(c);
#else
int ret = c;
if ((ret >= 1) && (ret <256)) ret = tolower(ret);
return (wchar_t)ret;
#endif
}
char * MyStringLower(char *s)
{
if (s == 0)
return 0;
char *ret = s;
while (*s)
{
*s = MyCharLower(*s);
s++;
}
return ret;
}
wchar_t * MyStringLower(wchar_t *s)
{
if (s == 0)
return 0;
wchar_t *ret = s;
while (*s)
{
*s = MyCharLower(*s);
s++;
}
return ret;
}
wchar_t MyCharUpper(wchar_t c)
{
#ifdef ENV_HAVE_TOWUPPER
return towupper(c);
#else
int ret = c;
if ((ret >= 1) && (ret <256)) ret = toupper(ret);
return (wchar_t)ret;
#endif
}
wchar_t * MyStringUpper(wchar_t *s)
{
if (s == 0)
return 0;
wchar_t *ret = s;
while (*s)
{
*s = MyCharUpper(*s);
s++;
}
return ret;
}
int MyStringCompare(const char *s1, const char *s2)
{
while (true)
{
unsigned char c1 = (unsigned char)*s1++;
unsigned char c2 = (unsigned char)*s2++;
if (c1 < c2) return -1;
if (c1 > c2) return 1;
if (c1 == 0) return 0;
}
}
int MyStringCompare(const wchar_t *s1, const wchar_t *s2)
{
while (true)
{
wchar_t c1 = *s1++;
wchar_t c2 = *s2++;
if (c1 < c2) return -1;
if (c1 > c2) return 1;
if (c1 == 0) return 0;
}
}
int MyStringCompareNoCase(const wchar_t *s1, const wchar_t *s2)
{
while (true)
{
wchar_t c1 = *s1++;
wchar_t c2 = *s2++;
if (c1 != c2)
{
wchar_t u1 = MyCharUpper(c1);
wchar_t u2 = MyCharUpper(c2);
if (u1 < u2) return -1;
if (u1 > u2) return 1;
}
if (c1 == 0) return 0;
}
}
int MyStringCompareNoCase(const char *s1, const char *s2)
{
return MyStringCompareNoCase(MultiByteToUnicodeString(s1), MultiByteToUnicodeString(s2));
}
#ifndef ENV_HAVE_WCHAR__H
EXTERN_C_BEGIN
size_t wcslen(const wchar_t *s)
{
register const wchar_t *p;
for (p=s ; *p ; p++) {}
return p - s;
}
wchar_t *wcscpy(wchar_t * s1, const wchar_t * s2)
{
register wchar_t *s = s1;
while ( (*s++ = *s2++) != 0 ) {}
return s1;
}
wchar_t *wcscat(wchar_t * s1, const wchar_t * s2)
{
register wchar_t *s = s1;
while (*s++) {}
--s;
while ((*s++ = *s2++) != 0) {}
return s1;
}
EXTERN_C_END
#endif
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