1/*	$OpenBSD: vasprintf.c,v 1.4 1998/06/21 22:13:47 millert Exp $	*/
2
3/*-
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
7 * All rights reserved.
8 *
9 * Copyright (c) 2011 The FreeBSD Foundation
10 * All rights reserved.
11 * Portions of this software were developed by David Chisnall
12 * under sponsorship from the FreeBSD Foundation.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 *    notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 *    notice, this list of conditions and the following disclaimer in the
21 *    documentation and/or other materials provided with the distribution.
22 * 3. The name of the author may not be used to endorse or promote products
23 *    derived from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
26 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
27 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
28 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
31 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
33 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
34 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37#include <sys/cdefs.h>
38__FBSDID("$FreeBSD$");
39
40#include <stdio.h>
41#include <stdlib.h>
42#include <errno.h>
43#include "xlocale_private.h"
44#include "local.h"
45
46int
47vasprintf_l(char **str, locale_t locale, const char *fmt, __va_list ap)
48{
49	FILE f = FAKE_FILE;
50	int ret;
51	FIX_LOCALE(locale);
52
53	f._flags = __SWR | __SSTR | __SALC;
54	f._bf._base = f._p = malloc(128);
55	if (f._bf._base == NULL) {
56		*str = NULL;
57		errno = ENOMEM;
58		return (-1);
59	}
60	f._bf._size = f._w = 127;		/* Leave room for the NUL */
61	ret = __vfprintf(&f, locale, fmt, ap);
62	if (ret < 0) {
63		free(f._bf._base);
64		*str = NULL;
65		errno = ENOMEM;
66		return (-1);
67	}
68	*f._p = '\0';
69	*str = (char *)f._bf._base;
70	return (ret);
71}
72int
73vasprintf(char **str, const char *fmt, __va_list ap)
74{
75	return vasprintf_l(str, __get_locale(), fmt, ap);
76}
77