1 /* Program name management. 2 Copyright (C) 2001-2004, 2006, 2009-2012 Free Software Foundation, Inc. 3 Written by Bruno Haible <bruno (at) 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 <http://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
