1 #include "stdio_impl.h"
2 #include "locale_impl.h"
6 static wint_t __fgetwc_unlocked_internal(FILE *f)
12 /* Convert character from buffer if possible */
13 if (f->rpos != f->rend) {
14 l = mbtowc(&wc, (void *)f->rpos, f->rend - f->rpos);
16 f->rpos += l + !l; /* l==0 means 1 byte, null */
21 /* Convert character byte-by-byte */
26 b = c = getc_unlocked(f);
34 l = mbrtowc(&wc, (void *)&b, 1, &st);
48 wint_t __fgetwc_unlocked(FILE *f)
50 locale_t *ploc = &CURRENT_LOCALE, loc = *ploc;
51 if (f->mode <= 0) fwide(f, 1);
53 wchar_t wc = __fgetwc_unlocked_internal(f);
58 wint_t fgetwc(FILE *f)
62 c = __fgetwc_unlocked(f);
67 weak_alias(__fgetwc_unlocked, fgetwc_unlocked);
68 weak_alias(__fgetwc_unlocked, getwc_unlocked);