source: asp3_tinet_ecnl_arm/trunk/musl-1.1.18/src/stdio/fgetws.c@ 352

#include "stdio_impl.h"
#include <wchar.h>

wint_t __fgetwc_unlocked(FILE *);

wchar_t *fgetws(wchar_t *restrict s, int n, FILE *restrict f)
{
        wchar_t *p = s;

        if (!n--) return s;

        FLOCK(f);

        for (; n; n--) {
                wint_t c = __fgetwc_unlocked(f);
                if (c == WEOF) break;
                *p++ = c;
                if (c == '\n') break;
        }
        *p = 0;
        if (ferror(f)) p = s;

        FUNLOCK(f);

        return (p == s) ? NULL : s;
}

weak_alias(fgetws, fgetws_unlocked);