xref: /onnv-gate/usr/src/lib/libast/common/stdio/vasprintf.c (revision 12068:08a39a083754)

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 1985-2010 AT&T Intellectual Property          *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                    by AT&T Intellectual Property                     *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                                                                      *
***********************************************************************/
#pragma prototyped

#include "stdhdr.h"

int
vasprintf(char** s, const char* fmt, va_list args)
{
	Sfio_t*	f;
	int	v;

	if (f = sfstropen())
	{
		v = sfvprintf(f, fmt, args);
		if (!(*s = strdup(sfstruse(f))))
			v = -1;
		sfstrclose(f);
	}
	else
	{
		*s = 0;
		v = -1;
	}
	return v;
}