mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-11-06 05:11:14 +00:00
532759a593
* bootstrap, Makefile.am, gnulib/*: Import more gnulib modules for use by MinGW Windows port.
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/* Formatted output to strings.
|
|
Copyright (C) 1999, 2002, 2006-2007 Free Software Foundation, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1, 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 Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser 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"
|
|
|
|
/* Some systems, like OSF/1 4.0 and Woe32, don't have EOVERFLOW. */
|
|
#ifndef EOVERFLOW
|
|
# define EOVERFLOW E2BIG
|
|
#endif
|
|
|
|
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;
|
|
}
|