#include <precomp.h>
-
-/*
- * @implemented
+/*********************************************************************
+ * _mbstowcs_l
*/
-size_t mbstowcs (wchar_t *widechar, const char *multibyte, size_t number)
+size_t CDECL _mbstowcs_l(wchar_t *wcstr, const char *mbstr,
+ size_t count, _locale_t locale)
{
- int bytes;
- size_t n = 0;
+ MSVCRT_pthreadlocinfo locinfo;
+ size_t i, size;
- while (n < number) {
+ if(!locale)
+ locinfo = get_locinfo();
+ else
+ locinfo = ((MSVCRT__locale_t)locale)->locinfo;
- if ((bytes = mbtowc (widechar, multibyte, MB_LEN_MAX)) < 0)
- return (size_t) -1;
+ /* Ignore count parameter */
+ if(!wcstr)
+ return MultiByteToWideChar(locinfo->lc_codepage, 0, mbstr, -1, NULL, 0)-1;
- if (bytes == 0) {
- *widechar = (wchar_t) '\0';
- return n;
- }
+ for(i=0, size=0; i<count; i++) {
+ if(mbstr[size] == '\0')
+ break;
- widechar++;
- multibyte += bytes;
- n++;
+ size += (_isleadbyte_l((unsigned char)mbstr[size], locale) ? 2 : 1);
}
- return n;
+ size = MultiByteToWideChar(locinfo->lc_codepage, 0,
+ mbstr, size, wcstr, count);
+
+ if(size<count && wcstr)
+ wcstr[size] = '\0';
+
+ return size;
+}
+
+/*
+ * @implemented
+ */
+size_t mbstowcs (wchar_t *widechar, const char *multibyte, size_t number)
+{
+ return _mbstowcs_l(widechar, multibyte, number, NULL);
}