Sweden-Number/dlls/crtdll/wcstring.c

409 lines
9.3 KiB
C

/*
* CRTDLL wide-char functions
*
* Copyright 1999 Alexandre Julliard
*
* TODO:
* These functions are really necessary only if sizeof(WCHAR) != sizeof(wchar_t),
* otherwise we could use the libc functions directly.
*/
#include "config.h"
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_WCTYPE_H
#include <wctype.h>
#endif
#include "windef.h"
#include "crtdll.h"
/*********************************************************************
* CRTDLL__wcsdup (CRTDLL.320)
*/
LPWSTR __cdecl CRTDLL__wcsdup( LPCWSTR str )
{
LPWSTR ret = NULL;
if (str)
{
int size = (CRTDLL_wcslen(str) + 1) * sizeof(WCHAR);
ret = CRTDLL_malloc( size );
if (ret) memcpy( ret, str, size );
}
return ret;
}
/*********************************************************************
* CRTDLL__wcsicmp (CRTDLL.321)
*/
INT __cdecl CRTDLL__wcsicmp( LPCWSTR str1, LPCWSTR str2 )
{
while (*str1 && (CRTDLL_towupper(*str1) == CRTDLL_towupper(*str2)))
{
str1++;
str2++;
}
return CRTDLL_towupper(*str1) - CRTDLL_towupper(*str2);
}
/*********************************************************************
* CRTDLL__wcsicoll (CRTDLL.322)
*/
INT __cdecl CRTDLL__wcsicoll( LPCWSTR str1, LPCWSTR str2 )
{
/* FIXME: handle collates */
return CRTDLL__wcsicmp( str1, str2 );
}
/*********************************************************************
* CRTDLL__wcslwr (CRTDLL.323)
*/
LPWSTR __cdecl CRTDLL__wcslwr( LPWSTR str )
{
LPWSTR ret = str;
for ( ; *str; str++) *str = CRTDLL_towlower(*str);
return ret;
}
/*********************************************************************
* CRTDLL__wcsnicmp (CRTDLL.324)
*/
INT __cdecl CRTDLL__wcsnicmp( LPCWSTR str1, LPCWSTR str2, INT n )
{
if (!n) return 0;
while ((--n > 0) && *str1 && (CRTDLL_towupper(*str1) == CRTDLL_towupper(*str2)))
{
str1++;
str2++;
}
return CRTDLL_towupper(*str1) - CRTDLL_towupper(*str2);
}
/*********************************************************************
* CRTDLL__wcsnset (CRTDLL.325)
*/
LPWSTR __cdecl CRTDLL__wcsnset( LPWSTR str, WCHAR c, INT n )
{
LPWSTR ret = str;
while ((n-- > 0) && *str) *str++ = c;
return ret;
}
/*********************************************************************
* CRTDLL__wcsrev (CRTDLL.326)
*/
LPWSTR __cdecl CRTDLL__wcsrev( LPWSTR str )
{
LPWSTR ret = str;
LPWSTR end = str + CRTDLL_wcslen(str) - 1;
while (end > str)
{
WCHAR t = *end;
*end-- = *str;
*str++ = t;
}
return ret;
}
/*********************************************************************
* CRTDLL__wcsset (CRTDLL.327)
*/
LPWSTR __cdecl CRTDLL__wcsset( LPWSTR str, WCHAR c )
{
LPWSTR ret = str;
while (*str) *str++ = c;
return ret;
}
/*********************************************************************
* CRTDLL__wcsupr (CRTDLL.328)
*/
LPWSTR __cdecl CRTDLL__wcsupr( LPWSTR str )
{
LPWSTR ret = str;
for ( ; *str; str++) *str = CRTDLL_towupper(*str);
return ret;
}
/*********************************************************************
* CRTDLL_towlower (CRTDLL.493)
*/
WCHAR __cdecl CRTDLL_towlower( WCHAR ch )
{
#ifdef HAVE_WCTYPE_H
ch = (WCHAR)towlower( (wchar_t)ch );
#else
if (!HIBYTE(ch)) ch = (WCHAR)tolower( LOBYTE(ch) ); /* FIXME */
#endif
return ch;
}
/*********************************************************************
* CRTDLL_towupper (CRTDLL.494)
*/
WCHAR __cdecl CRTDLL_towupper( WCHAR ch )
{
#ifdef HAVE_WCTYPE_H
ch = (WCHAR)towupper( (wchar_t)ch );
#else
if (!HIBYTE(ch)) ch = (WCHAR)toupper( LOBYTE(ch) ); /* FIXME */
#endif
return ch;
}
/***********************************************************************
* CRTDLL_wcscat (CRTDLL.503)
*/
LPWSTR __cdecl CRTDLL_wcscat( LPWSTR dst, LPCWSTR src )
{
LPWSTR p = dst;
while (*p) p++;
while ((*p++ = *src++));
return dst;
}
/*********************************************************************
* CRTDLL_wcschr (CRTDLL.504)
*/
LPWSTR __cdecl CRTDLL_wcschr( LPCWSTR str, WCHAR ch )
{
while (*str)
{
if (*str == ch) return (LPWSTR)str;
str++;
}
return NULL;
}
/*********************************************************************
* CRTDLL_wcscmp (CRTDLL.505)
*/
INT __cdecl CRTDLL_wcscmp( LPCWSTR str1, LPCWSTR str2 )
{
while (*str1 && (*str1 == *str2)) { str1++; str2++; }
return (INT)(*str1 - *str2);
}
/*********************************************************************
* CRTDLL_wcscoll (CRTDLL.506)
*/
DWORD __cdecl CRTDLL_wcscoll( LPCWSTR str1, LPCWSTR str2 )
{
/* FIXME: handle collates */
return CRTDLL_wcscmp( str1, str2 );
}
/***********************************************************************
* CRTDLL_wcscpy (CRTDLL.507)
*/
LPWSTR __cdecl CRTDLL_wcscpy( LPWSTR dst, LPCWSTR src )
{
LPWSTR p = dst;
while ((*p++ = *src++));
return dst;
}
/*********************************************************************
* CRTDLL_wcscspn (CRTDLL.508)
*/
INT __cdecl CRTDLL_wcscspn( LPCWSTR str, LPCWSTR reject )
{
LPCWSTR start = str;
while (*str)
{
LPCWSTR p = reject;
while (*p && (*p != *str)) p++;
if (*p) break;
str++;
}
return str - start;
}
/***********************************************************************
* CRTDLL_wcslen (CRTDLL.510)
*/
INT __cdecl CRTDLL_wcslen( LPCWSTR str )
{
LPCWSTR s = str;
while (*s) s++;
return s - str;
}
/*********************************************************************
* CRTDLL_wcsncat (CRTDLL.511)
*/
LPWSTR __cdecl CRTDLL_wcsncat( LPWSTR s1, LPCWSTR s2, INT n )
{
LPWSTR ret = s1;
while (*s1) s1++;
while (n-- > 0) if (!(*s1++ = *s2++)) return ret;
*s1 = 0;
return ret;
}
/*********************************************************************
* CRTDLL_wcsncmp (CRTDLL.512)
*/
INT __cdecl CRTDLL_wcsncmp( LPCWSTR str1, LPCWSTR str2, INT n )
{
if (!n) return 0;
while ((--n > 0) && *str1 && (*str1 == *str2)) { str1++; str2++; }
return (INT)(*str1 - *str2);
}
/*********************************************************************
* CRTDLL_wcsncpy (CRTDLL.513)
*/
LPWSTR __cdecl CRTDLL_wcsncpy( LPWSTR s1, LPCWSTR s2, INT n )
{
LPWSTR ret = s1;
while (n-- > 0) if (!(*s1++ = *s2++)) break;
while (n-- > 0) *s1++ = 0;
return ret;
}
/*********************************************************************
* CRTDLL_wcspbrk (CRTDLL.514)
*/
LPWSTR __cdecl CRTDLL_wcspbrk( LPCWSTR str, LPCWSTR accept )
{
LPCWSTR p;
while (*str)
{
for (p = accept; *p; p++) if (*p == *str) return (LPWSTR)str;
str++;
}
return NULL;
}
/*********************************************************************
* CRTDLL_wcsrchr (CRTDLL.515)
*/
LPWSTR __cdecl CRTDLL_wcsrchr( LPWSTR str, WCHAR ch )
{
LPWSTR last = NULL;
while (*str)
{
if (*str == ch) last = str;
str++;
}
return last;
}
/*********************************************************************
* CRTDLL_wcsspn (CRTDLL.516)
*/
INT __cdecl CRTDLL_wcsspn( LPCWSTR str, LPCWSTR accept )
{
LPCWSTR start = str;
while (*str)
{
LPCWSTR p = accept;
while (*p && (*p != *str)) p++;
if (!*p) break;
str++;
}
return str - start;
}
/*********************************************************************
* CRTDLL_wcsstr (CRTDLL.517)
*/
LPWSTR __cdecl CRTDLL_wcsstr( LPCWSTR str, LPCWSTR sub )
{
while (*str)
{
LPCWSTR p1 = str, p2 = sub;
while (*p1 && *p2 && *p1 == *p2) { p1++; p2++; }
if (!*p2) return (LPWSTR)str;
str++;
}
return NULL;
}
/*********************************************************************
* CRTDLL_wcstok (CRTDLL.519)
*/
LPWSTR __cdecl CRTDLL_wcstok( LPWSTR str, LPCWSTR delim )
{
static LPWSTR next = NULL;
LPWSTR ret;
if (!str)
if (!(str = next)) return NULL;
while (*str && CRTDLL_wcschr( delim, *str )) str++;
if (!*str) return NULL;
ret = str++;
while (*str && !CRTDLL_wcschr( delim, *str )) str++;
if (*str) *str++ = 0;
next = str;
return ret;
}
/*********************************************************************
* CRTDLL_wcstombs (CRTDLL.521)
*
* FIXME: the reason I do not use wcstombs is that it seems to fail
* for any latin-1 valid character. Not good.
*/
INT __cdecl CRTDLL_wcstombs( LPSTR dst, LPCWSTR src, INT n )
{
int copied=0;
while ((n>0) && *src) {
int ret;
/* FIXME: could potentially overflow if we ever have MB of 2 bytes*/
ret = wctomb(dst,(wchar_t)*src);
if (ret<0) {
/* FIXME: sadly, some versions of glibc do not like latin characters
* as UNICODE chars for some reason (like german umlauts). Just
* copy those anyway. MM 991106
*/
*dst=*src;
ret = 1;
}
dst += ret;
n -= ret;
copied += ret;
src++;
}
return copied;
}
/*********************************************************************
* CRTDLL_wctomb (CRTDLL.524)
*/
INT __cdecl CRTDLL_wctomb( LPSTR dst, WCHAR ch )
{
return wctomb( dst, (wchar_t)ch );
}