ungetwc.c (87275e436a0fb31fea2757532860a3ec993d2cd6) ungetwc.c (f9ceea9bf17bc8d7b0020c409743f162c3c5eebd)
1/*-
2 * Copyright (c) 2002-2004 Tim J. Robbins.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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30#include "namespace.h"
31#include <errno.h>
32#include <stdio.h>
33#include <stdlib.h>
34#include <wchar.h>
35#include "un-namespace.h"
36#include "libc_private.h"
37#include "local.h"
1/*-
2 * Copyright (c) 2002-2004 Tim J. Robbins.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 21 unchanged lines hidden (view full) ---

30#include "namespace.h"
31#include <errno.h>
32#include <stdio.h>
33#include <stdlib.h>
34#include <wchar.h>
35#include "un-namespace.h"
36#include "libc_private.h"
37#include "local.h"
38#include "mblocal.h"
38
39/*
40 * Non-MT-safe version.
41 */
42wint_t
43__ungetwc(wint_t wc, FILE *fp)
44{
45 char buf[MB_LEN_MAX];
46 size_t len;
47
48 if (wc == WEOF)
49 return (WEOF);
39
40/*
41 * Non-MT-safe version.
42 */
43wint_t
44__ungetwc(wint_t wc, FILE *fp)
45{
46 char buf[MB_LEN_MAX];
47 size_t len;
48
49 if (wc == WEOF)
50 return (WEOF);
50 if ((len = wcrtomb(buf, wc, &fp->_extra->mbstate)) == (size_t)-1) {
51 if ((len = __wcrtomb(buf, wc, &fp->_extra->mbstate)) == (size_t)-1) {
51 fp->_flags |= __SERR;
52 return (WEOF);
53 }
54 while (len-- != 0)
55 if (__ungetc((unsigned char)buf[len], fp) == EOF)
56 return (WEOF);
57
58 return (wc);

--- 17 unchanged lines hidden --- 		52 fp->_flags |= __SERR;
53 return (WEOF);
54 }
55 while (len-- != 0)
56 if (__ungetc((unsigned char)buf[len], fp) == EOF)
57 return (WEOF);
58
59 return (wc);

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