1/* Program name management.
2   Copyright (C) 2001-2003 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#include <stdbool.h>
23
24/* Programs using this file should do the following in main():
25     set_program_name (argv[0]);
26 */
27
28
29#ifdef __cplusplus
30extern "C" {
31#endif
32
33
34/* String containing name the program is called with.  */
35extern DLL_VARIABLE const char *program_name;
36
37/* Set program_name, based on argv[0].  */
38extern void set_program_name (const char *argv0);
39
40#if ENABLE_RELOCATABLE
41
42/* Set program_name, based on argv[0], and original installation prefix and
43   directory, for relocatability.  */
44extern void set_program_name_and_installdir (const char *argv0,
45					     const char *orig_installprefix,
46					     const char *orig_installdir);
47#define set_program_name(ARG0) \
48  set_program_name_and_installdir (ARG0, INSTALLPREFIX, INSTALLDIR)
49
50/* Return the full pathname of the current executable, based on the earlier
51   call to set_program_name_and_installdir.  Return NULL if unknown.  */
52extern char *get_full_program_name (void);
53
54#endif
55
56
57#ifdef __cplusplus
58}
59#endif
60
61
62#endif /* _PROGNAME_H */
63