Files
RedBear-OS/tests/wchar/wcsrtombs.c
T
Red Bear OS 1b3e94a20d Red Bear OS relibc baseline
From release 0.1.0 pre-patched archive.
This includes all Red Bear modifications previously maintained
as patches in local/patches/relibc/.
2026-06-27 09:19:26 +03:00

23 lines
612 B
C

#include <assert.h>
#include <wchar.h>
#include <string.h>
#include <stdlib.h>
int main() {
const wchar_t *wcs1 = L"";
size_t mb_len1 = wcsrtombs(NULL, &wcs1, 0, NULL);
assert(mb_len1 == 0);
const wchar_t *wcs2 = L"Hello, world!";
size_t mb_len2 = wcsrtombs(NULL, &wcs2, 0, NULL);
assert(mb_len2 == strlen("Hello, world!"));
// wcsrtombs resets wcs2 to zero, so we need to fill it again
wcs2 = L"Hello, world!";
char *mbs2 = malloc(mb_len2 + 1);
wcsrtombs(mbs2, &wcs2, mb_len2 + 1, NULL);
assert(strcmp(mbs2, "Hello, world!") == 0);
free(mbs2);
return 0;
}