/* Formatted output to strings.
   Copyright (C) 1999, 2002-2003 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License along
   with this program; if not, write to the Free Software Foundation,
   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

/* Specification.  */
#include "vasprintf.h"

#include <limits.h>
#include <stdlib.h>

#include "vasnprintf.h"

int
vasprintf (char **resultp, const char *format, va_list args)
{
  size_t length;
  char *result = vasnprintf (NULL, &length, format, args);
  if (result == NULL)
    return -1;
  if (length > INT_MAX)
    {
      /* We could produce such a big string, but can't return its length
	 as an 'int'.  */
      free (result);
      return -1;
    }

  *resultp = result;
  /* Return the number of resulting bytes, excluding the trailing NUL.  */
  return length;
}