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| | #include "stdio_impl.h"
#include "locale_impl.h"
#include <wchar.h>
#include <limits.h>
#include <ctype.h>
wint_t __fputwc_unlocked(wchar_t c, FILE *f)
{
char mbc[MB_LEN_MAX];
int l;
locale_t *ploc = &CURRENT_LOCALE, loc = *ploc;
if (f->mode <= 0) fwide(f, 1);
*ploc = f->locale;
if (isascii(c)) {
c = putc_unlocked(c, f);
} else if (f->wpos + MB_LEN_MAX < f->wend) {
l = wctomb((void *)f->wpos, c);
if (l < 0) c = WEOF;
else f->wpos += l;
} else {
l = wctomb(mbc, c);
if (l < 0 || __fwritex((void *)mbc, l, f) < l)
c = WEOF;
}
if (c==WEOF) f->flags |= F_ERR;
*ploc = loc;
return c;
}
wint_t fputwc(wchar_t c, FILE *f)
{
FLOCK(f);
c = __fputwc_unlocked(c, f);
FUNLOCK(f);
return c;
}
weak_alias(__fputwc_unlocked, fputwc_unlocked);
weak_alias(__fputwc_unlocked, putwc_unlocked);
|