1 /* $OpenBSD: vasprintf.c,v 1.4 1998/06/21 22:13:47 millert Exp $ */
4 * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
7 * Copyright (c) 2011 The FreeBSD Foundation
9 * Portions of this software were developed by David Chisnall
10 * under sponsorship from the FreeBSD Foundation.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
24 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
25 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
26 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
27 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
29 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
31 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
32 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 #include <sys/cdefs.h>
37 __FBSDID("FreeBSD: src/lib/libc/stdio/vasprintf.c,v 1.16 2002/08/21 16:19:57 mike Exp ");
39 __FBSDID("$FreeBSD$");
47 #include "xlocale_private.h"
50 vswprintf_l(wchar_t * __restrict s, size_t n, locale_t locale,
51 const wchar_t * __restrict fmt, __va_list ap)
53 static const mbstate_t initial;
65 if (n - 1 > INT_MAX) {
71 f._flags = __SWR | __SSTR | __SALC;
72 f._bf._base = f._p = (unsigned char *)malloc(128);
73 if (f._bf._base == NULL) {
78 f._bf._size = f._w = 127; /* Leave room for the NUL */
79 ret = __vfwprintf(&f, locale, fmt, ap);
90 * XXX Undo the conversion from wide characters to multibyte that
91 * fputwc() did in __vfwprintf().
94 nwc = mbsrtowcs_l(s, (const char **)&mbp, n, &mbs, locale);
96 if (nwc == (size_t)-1) {
110 vswprintf(wchar_t * __restrict s, size_t n, const wchar_t * __restrict fmt,
113 return vswprintf_l(s, n, __get_locale(), fmt, ap);