1/* $OpenBSD: vasprintf.c,v 1.4 1998/06/21 22:13:47 millert Exp $ */
2
3/*
4 * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
19 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
24 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
27 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31#if 0
32__FBSDID("FreeBSD: src/lib/libc/stdio/vasprintf.c,v 1.16 2002/08/21 16:19:57 mike Exp ");
33#endif
| 1/* $OpenBSD: vasprintf.c,v 1.4 1998/06/21 22:13:47 millert Exp $ */
2
3/*
4 * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
19 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
24 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
27 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31#if 0
32__FBSDID("FreeBSD: src/lib/libc/stdio/vasprintf.c,v 1.16 2002/08/21 16:19:57 mike Exp ");
33#endif
|
34__FBSDID("$FreeBSD: head/lib/libc/stdio/vswprintf.c 178287 2008-04-17 22:17:54Z jhb $");
| 34__FBSDID("$FreeBSD: head/lib/libc/stdio/vswprintf.c 205021 2010-03-11 17:03:32Z jhb $");
|
35
36#include <errno.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <wchar.h>
40#include "local.h"
41
42int
43vswprintf(wchar_t * __restrict s, size_t n, const wchar_t * __restrict fmt,
44 __va_list ap)
45{
46 static const mbstate_t initial;
47 mbstate_t mbs;
| 35
36#include <errno.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <wchar.h>
40#include "local.h"
41
42int
43vswprintf(wchar_t * __restrict s, size_t n, const wchar_t * __restrict fmt,
44 __va_list ap)
45{
46 static const mbstate_t initial;
47 mbstate_t mbs;
|
48 FILE f;
| 48 FILE f = FAKE_FILE;
|
49 char *mbp;
50 int ret, sverrno;
51 size_t nwc;
52
53 if (n == 0) {
54 errno = EINVAL;
55 return (-1);
56 }
57
| 49 char *mbp;
50 int ret, sverrno;
51 size_t nwc;
52
53 if (n == 0) {
54 errno = EINVAL;
55 return (-1);
56 }
57
|
58 f._file = -1;
| |
59 f._flags = __SWR | __SSTR | __SALC;
60 f._bf._base = f._p = (unsigned char *)malloc(128);
61 if (f._bf._base == NULL) {
62 errno = ENOMEM;
63 return (-1);
64 }
65 f._bf._size = f._w = 127; /* Leave room for the NUL */
| 58 f._flags = __SWR | __SSTR | __SALC;
59 f._bf._base = f._p = (unsigned char *)malloc(128);
60 if (f._bf._base == NULL) {
61 errno = ENOMEM;
62 return (-1);
63 }
64 f._bf._size = f._w = 127; /* Leave room for the NUL */
|
66 f._orientation = 0;
67 memset(&f._mbstate, 0, sizeof(mbstate_t));
| |
68 ret = __vfwprintf(&f, fmt, ap);
69 if (ret < 0) {
70 sverrno = errno;
71 free(f._bf._base);
72 errno = sverrno;
73 return (-1);
74 }
75 *f._p = '\0';
76 mbp = f._bf._base;
77 /*
78 * XXX Undo the conversion from wide characters to multibyte that
79 * fputwc() did in __vfwprintf().
80 */
81 mbs = initial;
82 nwc = mbsrtowcs(s, (const char **)&mbp, n, &mbs);
83 free(f._bf._base);
84 if (nwc == (size_t)-1) {
85 errno = EILSEQ;
86 return (-1);
87 }
88 if (nwc == n) {
89 s[n - 1] = L'\0';
90 errno = EOVERFLOW;
91 return (-1);
92 }
93
94 return (ret);
95}
| 65 ret = __vfwprintf(&f, fmt, ap);
66 if (ret < 0) {
67 sverrno = errno;
68 free(f._bf._base);
69 errno = sverrno;
70 return (-1);
71 }
72 *f._p = '\0';
73 mbp = f._bf._base;
74 /*
75 * XXX Undo the conversion from wide characters to multibyte that
76 * fputwc() did in __vfwprintf().
77 */
78 mbs = initial;
79 nwc = mbsrtowcs(s, (const char **)&mbp, n, &mbs);
80 free(f._bf._base);
81 if (nwc == (size_t)-1) {
82 errno = EILSEQ;
83 return (-1);
84 }
85 if (nwc == n) {
86 s[n - 1] = L'\0';
87 errno = EOVERFLOW;
88 return (-1);
89 }
90
91 return (ret);
92}
|