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1 /* Default definition for ARGP_PROGRAM_VERSION_HOOK.
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2 Copyright (C) 1996, 1997, 1999, 2004, 2009, 2010 Free Software Foundation,
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3 Inc.
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4 This file is part of the GNU C Library.
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5 Written by Miles Bader <miles@gnu.ai.mit.edu>.
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6
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7 This program is free software: you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3 of the License, or
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10 (at your option) any later version.
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11
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12 This program is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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19
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20 #ifdef HAVE_CONFIG_H
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21 # include <config.h>
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22 #endif
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23
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24 #include "argp.h"
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25
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26 /* If set by the user program to a non-zero value, then a default option
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27 --version is added (unless the ARGP_NO_HELP flag is used), which calls
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28 this function with a stream to print the version to and a pointer to the
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29 current parsing state, and then exits (unless the ARGP_NO_EXIT flag is
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30 used). This variable takes precedent over ARGP_PROGRAM_VERSION. */
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31 void (*argp_program_version_hook) (FILE *stream, struct argp_state *state) = NULL;
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