1/* Program name management.
2   Copyright (C) 2001-2004 Free Software Foundation, Inc.
3   Written by Bruno Haible <haible@clisp.cons.org>, 2001.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 2, or (at your option)
8   any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program; if not, write to the Free Software Foundation,
17   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
18
19#ifndef _PROGNAME_H
20#define _PROGNAME_H
21
22/* Programs using this file should do the following in main():
23     set_program_name (argv[0]);
24 */
25
26
27#ifdef __cplusplus
28extern "C" {
29#endif
30
31
32/* String containing name the program is called with.  */
33extern DLL_VARIABLE const char *program_name;
34
35/* Set program_name, based on argv[0].  */
36extern void set_program_name (const char *argv0);
37
38#if ENABLE_RELOCATABLE
39
40/* Set program_name, based on argv[0], and original installation prefix and
41   directory, for relocatability.  */
42extern void set_program_name_and_installdir (const char *argv0,
43					     const char *orig_installprefix,
44					     const char *orig_installdir);
45#define set_program_name(ARG0) \
46  set_program_name_and_installdir (ARG0, INSTALLPREFIX, INSTALLDIR)
47
48/* Return the full pathname of the current executable, based on the earlier
49   call to set_program_name_and_installdir.  Return NULL if unknown.  */
50extern char *get_full_program_name (void);
51
52#endif
53
54
55#ifdef __cplusplus
56}
57#endif
58
59
60#endif /* _PROGNAME_H */
61