1 | /* Program name management. |
2 | Copyright (C) 2001-2004, 2006, 2009-2019 Free Software Foundation, Inc. |
3 | Written by Bruno Haible <bruno@clisp.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 3 of the License, or |
8 | (at your option) 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, see <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #ifndef _PROGNAME_H |
19 | #define _PROGNAME_H |
20 | |
21 | /* Programs using this file should do the following in main(): |
22 | set_program_name (argv[0]); |
23 | */ |
24 | |
25 | |
26 | #ifdef __cplusplus |
27 | extern "C" { |
28 | #endif |
29 | |
30 | |
31 | /* String containing name the program is called with. */ |
32 | extern const char *program_name; |
33 | |
34 | /* Set program_name, based on argv[0]. |
35 | argv0 must be a string allocated with indefinite extent, and must not be |
36 | modified after this call. */ |
37 | extern void set_program_name (const char *argv0); |
38 | |
39 | #if ENABLE_RELOCATABLE |
40 | |
41 | /* Set program_name, based on argv[0], and original installation prefix and |
42 | directory, for relocatability. */ |
43 | extern void set_program_name_and_installdir (const char *argv0, |
44 | const char *orig_installprefix, |
45 | const char *orig_installdir); |
46 | #undef set_program_name |
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. */ |
52 | extern char *get_full_program_name (void); |
53 | |
54 | #endif |
55 | |
56 | |
57 | #ifdef __cplusplus |
58 | } |
59 | #endif |
60 | |
61 | |
62 | #endif /* _PROGNAME_H */ |
63 | |