+
−/* Formatted output to strings.
+
−   Copyright (C) 1999, 2002, 2006-2008 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
−
+
−#include <config.h>
+
−
+
−/* Specification.  */
+
−#ifdef IN_LIBASPRINTF
+
−# include "vasprintf.h"
+
−#else
+
−# include <stdio.h>
+
−#endif
+
−
+
−#include <errno.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)
+
−    {
+
−      free (result);
+
−      errno = EOVERFLOW;
+
−      return -1;
+
−    }
+
−
+
−  *resultp = result;
+
−  /* Return the number of resulting bytes, excluding the trailing NUL.  */
+
−  return length;
+
−}