1 #include "stdio_impl.h"
5 wint_t __fgetwc_unlocked(FILE *);
7 wchar_t *fgetws(wchar_t *restrict s, int n, FILE *restrict f)
15 /* Setup a dummy errno so we can detect EILSEQ. This is
16 * the only way to catch encoding errors in the form of a
17 * partial character just before EOF. */
20 wint_t c = __fgetwc_unlocked(f);
26 if (ferror(f) || errno==EILSEQ) p = s;
30 return (p == s) ? NULL : s;
33 weak_alias(fgetws, fgetws_unlocked);