Free backup buffer if one is available.
[glibc/history.git] / argp / argp-pvh.c
blobed60aa992d546ee77c962605dc05a299551330cc
1 /* Default definition for ARGP_PROGRAM_VERSION_HOOK.
2 Copyright (C) 1996, 1997 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Written by Miles Bader <miles@gnu.ai.mit.edu>.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public License as
8 published by the Free Software Foundation; either version 2 of the
9 License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
16 You should have received a copy of the GNU Library General Public
17 License along with the GNU C Library; see the file COPYING.LIB. If not,
18 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 #ifdef HAVE_CONFIG_H
22 #include <config.h>
23 #endif
25 #include "argp.h"
27 /* If set by the user program to a non-zero value, then a default option
28 --version is added (unless the ARGP_NO_HELP flag is used), which calls
29 this function with a stream to print the version to and a pointer to the
30 current parsing state, and then exits (unless the ARGP_NO_EXIT flag is
31 used). This variable takes precedent over ARGP_PROGRAM_VERSION. */
32 void (*argp_program_version_hook) (FILE *stream, struct argp_state *state) = 0;