1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                 Eclipse Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *          http://www.eclipse.org/org/documents/epl-v10.html           *
11 *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #pragma prototyped
23 
24 #include "stdhdr.h"
25 
26 int
vasprintf(char ** s,const char * fmt,va_list args)27 vasprintf(char** s, const char* fmt, va_list args)
28 {
29 	Sfio_t*	f;
30 	int	v;
31 
32 	if (f = sfstropen())
33 	{
34 		v = sfvprintf(f, fmt, args);
35 		if (!(*s = strdup(sfstruse(f))))
36 			v = -1;
37 		sfstrclose(f);
38 	}
39 	else
40 	{
41 		*s = 0;
42 		v = -1;
43 	}
44 	return v;
45 }
46