NetBSD/gnu/dist/gettext/gettext-runtime/libasprintf/vasprintf.c

44 lines
1.3 KiB
C

/* Formatted output to strings.
Copyright (C) 1999, 2002 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library 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 <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;
*resultp = result;
/* Return the number of resulting bytes, excluding the trailing NUL.
If it wouldn't fit in an 'int', vasnprintf() would have returned NULL
and set errno to EOVERFLOW. */
return length;
}