Files
RedBear-OS/tests/wchar/ungetwc.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

28 lines
483 B
C

#include <wchar.h>
#include <wctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <locale.h>
int main()
{
setlocale(LC_ALL, "");
FILE *stream;
wint_t wc;
wint_t wc2;
if (NULL == (stream = fopen("wchar/ungetwc.in", "r+")))
return 1;
while (WEOF != (wc = fgetwc(stream)) && iswdigit(wc)) {}
if (WEOF != wc)
ungetwc(wc, stream);
wc2 = fgetwc(stream);
assert(WEOF != wc2);
assert(wc == wc2);
return 0;
}