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
28 extern "C" {
29 #endif
30 
31 
32 /* String containing name the program is called with.  */
33 extern const char *program_name;
34 
35 /* Set program_name, based on argv[0].  */
36 extern 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.  */
42 extern 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.  */
50 extern char *get_full_program_name (void);
51 
52 #endif
53 
54 
55 #ifdef __cplusplus
56 }
57 #endif
58 
59 
60 #endif /* _PROGNAME_H */
61