1*4887Schin /***********************************************************************
2*4887Schin *                                                                      *
3*4887Schin *               This software is part of the ast package               *
4*4887Schin *           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
5*4887Schin *                      and is licensed under the                       *
6*4887Schin *                  Common Public License, Version 1.0                  *
7*4887Schin *                      by AT&T Knowledge Ventures                      *
8*4887Schin *                                                                      *
9*4887Schin *                A copy of the License is available at                 *
10*4887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
11*4887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12*4887Schin *                                                                      *
13*4887Schin *              Information and Software Systems Research               *
14*4887Schin *                            AT&T Research                             *
15*4887Schin *                           Florham Park NJ                            *
16*4887Schin *                                                                      *
17*4887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
18*4887Schin *                  David Korn <dgk@research.att.com>                   *
19*4887Schin *                   Phong Vo <kpv@research.att.com>                    *
20*4887Schin *                                                                      *
21*4887Schin ***********************************************************************/
22*4887Schin #pragma prototyped
23*4887Schin 
24*4887Schin #include "stdhdr.h"
25*4887Schin 
26*4887Schin int
27*4887Schin vasprintf(char** s, const char* fmt, va_list args)
28*4887Schin {
29*4887Schin 	Sfio_t*	f;
30*4887Schin 	int	v;
31*4887Schin 
32*4887Schin 	if (f = sfstropen())
33*4887Schin 	{
34*4887Schin 		v = sfvprintf(f, fmt, args);
35*4887Schin 		if (!(*s = strdup(sfstruse(f))))
36*4887Schin 			v = -1;
37*4887Schin 		sfstrclose(f);
38*4887Schin 	}
39*4887Schin 	else
40*4887Schin 	{
41*4887Schin 		*s = 0;
42*4887Schin 		v = -1;
43*4887Schin 	}
44*4887Schin 	return v;
45*4887Schin }
46