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/* This file contains a fixed implementation of fgetwc since glibc's one is a little segfaulty when used on fmemopen'ed files. */
#include <stdlib.h>
#include <wchar.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "fgetwc_fix.h"
/* code blatantly ripped from newlib. If you are from newlib: newlib rocks, keep going! */
wint_t _fgetwc_fixed(FILE *fp) {
wchar_t wc;
size_t res;
size_t nconv = 0;
char buf[MB_CUR_MAX];
mbstate_t mbstate;
memset(&mbstate, 0, sizeof(mbstate));
while((buf[nconv++] = fgetc(fp)) != EOF){
res = mbrtowc(&wc, buf, nconv, &mbstate);
if (res == (size_t)-1) /* invalid sequence */
break;
else if (res == (size_t)-2) /* incomplete sequence */
continue;
else if (res == 0)
return L'\0';
else
return wc;
}
errno = EILSEQ;
return WEOF;
}
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