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#include <wchar.h>
#include "stdio.h"
#include "../stdio/_stdio.h"
#include "limits.h"
#if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 199506L
#include "../unistd/read.c"
static int getc_unlocked(FILE *);
#include "../stdio/getc_unlocked.c"
#endif
wint_t fgetwc(FILE * stream)
{
if (fwide(stream, 1) <= 0) {
return WEOF;
}
flockfile(stream);
stream->orientation = -1;
char mbr[MB_LEN_MAX+1] = {0};
int n = 0;
mbstate_t ps = 0;
wint_t wc = 0;
/* FIXME: check for (size_t)-2 and (size_t)-1 from mbrtowc */
do {
mbr[n++] = getc_unlocked(stream);
ps = 0;
} while (mbrtowc(&wc, mbr, n, &ps) != 0);
stream->orientation = 1;
funlockfile(stream);
return wc;
}
/*
STDC(199409)
*/
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