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
--- 11 unchanged lines hidden (view full) ---
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/lib/libc/stdio/fgetwln.c 132242 2004-07-16 06:06:09Z tjr $");
29
30#include "namespace.h"
31#include <stdio.h>
32#include <wchar.h>
33#include "un-namespace.h"
34#include "libc_private.h"
35#include "local.h"
36
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41 size_t len;
42
43 FLOCKFILE(fp);
44 ORIENT(fp, 1);
45
46 len = 0;
47 while ((wc = __fgetwc(fp)) != WEOF) {
48#define GROW 512
49 len++;
50 if (len * sizeof(wchar_t) >= fp->_lb._size &&
51 __slbexpand(fp, (len + GROW) * sizeof(wchar_t)))
52 goto error;
53 *((wchar_t *)fp->_lb._base + len) = wc;
54 if (wc == L'\n')
55 break;
56 }
57 if (len == 0)
58 goto error;
59
60 FUNLOCKFILE(fp);
61 *lenp = len;
62 return ((wchar_t *)fp->_lb._base);
63
64error:
65 FUNLOCKFILE(fp);
66 *lenp = 0;
67 return (NULL);
68}
2 * Copyright (c) 2002-2004 Tim J. Robbins.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
--- 11 unchanged lines hidden (view full) ---
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/lib/libc/stdio/fgetwln.c 132242 2004-07-16 06:06:09Z tjr $");
29
30#include "namespace.h"
31#include <stdio.h>
32#include <wchar.h>
33#include "un-namespace.h"
34#include "libc_private.h"
35#include "local.h"
36
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41 size_t len;
42
43 FLOCKFILE(fp);
44 ORIENT(fp, 1);
45
46 len = 0;
47 while ((wc = __fgetwc(fp)) != WEOF) {
48#define GROW 512
49 len++;
50 if (len * sizeof(wchar_t) >= fp->_lb._size &&
51 __slbexpand(fp, (len + GROW) * sizeof(wchar_t)))
52 goto error;
53 *((wchar_t *)fp->_lb._base + len) = wc;
54 if (wc == L'\n')
55 break;
56 }
57 if (len == 0)
58 goto error;
59
60 FUNLOCKFILE(fp);
61 *lenp = len;
62 return ((wchar_t *)fp->_lb._base);
63
64error:
65 FUNLOCKFILE(fp);
66 *lenp = 0;
67 return (NULL);
68}