1 /* quvi
2 * Copyright (C) 2009-2010 Toni Gundogdu <legatvs@gmail.com>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17 * 02110-1301 USA
18 */
19
20 #include <stdio.h>
21 #include <stdarg.h>
22 #include <stdlib.h>
23
vasprintf(char ** dst,const char * fmt,va_list ap)24 int vasprintf(char **dst, const char *fmt, va_list ap)
25 {
26 va_list apc;
27 int len;
28 char *p;
29
30 va_copy(apc, ap);
31 len = vsnprintf(0, 0, fmt, apc) + 1;
32 va_end(apc);
33
34 *dst = p = malloc(len);
35 if (!p)
36 return (-1);
37
38 return (vsnprintf(p, len, fmt, ap));
39 }
40
41 /* vim: set ts=2 sw=2 tw=72 expandtab: */
42