mirror of
https://github.com/reactos/reactos.git
synced 2025-07-24 13:23:51 +00:00
52 lines
1 KiB
C
52 lines
1 KiB
C
#include <windows.h>
|
|
#include <msvcrt/stdlib.h>
|
|
#include <msvcrt/ctype.h>
|
|
|
|
|
|
#if 1
|
|
|
|
int mbtowc(wchar_t *dst, const char *str, size_t n)
|
|
{
|
|
// printf("\t\t\tmbtowc(%p, %p, %d) called.\n", dst, str, n);
|
|
|
|
if (n <= 0 || !str)
|
|
return 0;
|
|
|
|
*dst = *str;
|
|
|
|
if (!*str)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
#else
|
|
|
|
int mbtowc(wchar_t *dst, const char *str, size_t n)
|
|
{
|
|
if (n <= 0 || !str)
|
|
return 0;
|
|
if (!MultiByteToWideChar(CP_ACP, 0, str, n, dst, (dst == NULL) ? 0 : 1)) {
|
|
DWORD err = GetLastError();
|
|
switch (err) {
|
|
case ERROR_INSUFFICIENT_BUFFER:
|
|
break;
|
|
case ERROR_INVALID_FLAGS:
|
|
break;
|
|
case ERROR_INVALID_PARAMETER:
|
|
break;
|
|
case ERROR_NO_UNICODE_TRANSLATION:
|
|
break;
|
|
default:
|
|
return 1;
|
|
}
|
|
return -1;
|
|
}
|
|
/* return the number of bytes from src that have been used */
|
|
if (!*str)
|
|
return 0;
|
|
if (n >= 2 && isleadbyte(*str) && str[1])
|
|
return 2;
|
|
return 1;
|
|
}
|
|
|
|
#endif
|