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annotate lib/progname.h @ 4739:04758f7475fd

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Merge changes from glibc.
author Paul Eggert <eggert@cs.ucla.edu>
date Fri, 26 Sep 2003 07:35:01 +0000
parents c9a4a6444f3a
children d088e155d8f6
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1 /* Program name management.
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2 Copyright (C) 2001-2003 Free Software Foundation, Inc.
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3 Written by Bruno Haible <haible@clisp.cons.org>, 2001.
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4
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5 This program is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 2, or (at your option)
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8 any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program; if not, write to the Free Software Foundation,
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17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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18
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19 #ifndef _PROGNAME_H
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20 #define _PROGNAME_H
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21
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22 #include <stdbool.h>
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23
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24 /* Programs using this file should do the following in main():
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25 set_program_name (argv[0]);
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26 */
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27
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28 /* String containing name the program is called with. */
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29 extern const char *program_name;
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30
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31 /* Set program_name, based on argv[0]. */
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32 extern void set_program_name (const char *argv0);
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33
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34 #if ENABLE_RELOCATABLE
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35
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36 /* Set program_name, based on argv[0], and original installation prefix and
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37 directory, for relocatability. */
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38 extern void set_program_name_and_installdir (const char *argv0,
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39 const char *orig_installprefix,
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40 const char *orig_installdir);
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41 #define set_program_name(ARG0) \
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42 set_program_name_and_installdir (ARG0, INSTALLPREFIX, INSTALLDIR)
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43
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44 /* Return the full pathname of the current executable, based on the earlier
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45 call to set_program_name_and_installdir. Return NULL if unknown. */
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46 extern char *get_full_program_name (void);
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47
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48 #endif
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49
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50 #endif /* _PROGNAME_H */