lib/argp-pvh.c

   1 /* Default definition for ARGP_PROGRAM_VERSION_HOOK.
   2    Copyright (C) 1996-2020 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Written by Miles Bader <miles@gnu.ai.mit.edu>.
   5
   6    This program is free software: you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program 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
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 # include <config.h>
  21 #endif
  22
  23 #include "argp.h"
  24
  25 /* If set by the user program to a non-zero value, then a default option
  26    --version is added (unless the ARGP_NO_HELP flag is used), which calls
  27    this function with a stream to print the version to and a pointer to the
  28    current parsing state, and then exits (unless the ARGP_NO_EXIT flag is
  29    used).  This variable takes precedent over ARGP_PROGRAM_VERSION.  */
  30 void (*argp_program_version_hook) (FILE *stream, struct argp_state *state) = NULL;