reactos/sdk/lib/crt/string/strxfrm.c

55 lines
1.3 KiB
C

#include <precomp.h>
#include <locale.h>
#include <internal/wine/msvcrt.h>
size_t CDECL _strxfrm_l( char *dest, const char *src,
size_t len, _locale_t locale )
{
MSVCRT_pthreadlocinfo locinfo;
int ret;
if(!MSVCRT_CHECK_PMT(src)) return INT_MAX;
if(!MSVCRT_CHECK_PMT(dest || !len)) return INT_MAX;
if(len > INT_MAX) {
FIXME("len > INT_MAX not supported\n");
len = INT_MAX;
}
if(!locale)
locinfo = get_locinfo();
else
locinfo = ((MSVCRT__locale_t)locale)->locinfo;
if(!locinfo->lc_handle[MSVCRT_LC_COLLATE]) {
strncpy(dest, src, len);
return strlen(src);
}
ret = LCMapStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE],
LCMAP_SORTKEY, src, -1, NULL, 0);
if(!ret) {
if(len) dest[0] = 0;
*_errno() = EILSEQ;
return INT_MAX;
}
if(!len) return ret-1;
if(ret > len) {
dest[0] = 0;
*_errno() = ERANGE;
return ret-1;
}
return LCMapStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE],
LCMAP_SORTKEY, src, -1, dest, len) - 1;
}
/*********************************************************************
* strxfrm (MSVCRT.@)
*/
size_t CDECL strxfrm( char *dest, const char *src, size_t len )
{
return _strxfrm_l(dest, src, len, NULL);
}