| 1 | /* Program name management. | 
|---|
| 2 | Copyright (C) 2001-2004, 2006, 2009-2022 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 */ | 
|---|