/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
*          Copyright (c) 2020-2022 Contributors to ksh 93u+m           *
*                      and is licensed under the                       *
*                 Eclipse Public License, Version 2.0                  *
*                                                                      *
*                A copy of the License is available at                 *
*      https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html      *
*         (with md5 checksum 84283fa8859daf213bdda5a9f8d1be1d)         *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                  Martijn Dekker <martijn@inlv.org>                   *
*                                                                      *
***********************************************************************/

#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;
}
