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| 1 /* Program name management. |
| 2 Copyright (C) 2001-2003, 2005-2008 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 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 |
| 19 #include <config.h> |
| 20 |
| 21 /* Specification. */ |
| 22 #undef ENABLE_RELOCATABLE /* avoid defining set_program_name as a macro */ |
| 23 #include "progname.h" |
| 24 |
| 25 #include <string.h> |
| 26 |
| 27 |
| 28 /* String containing name the program is called with. |
| 29 To be initialized by main(). */ |
| 30 const char *program_name = NULL; |
| 31 |
| 32 /* Set program_name, based on argv[0]. */ |
| 33 void |
| 34 set_program_name (const char *argv0) |
| 35 { |
| 36 /* libtool creates a temporary executable whose name is sometimes prefixed |
| 37 with "lt-" (depends on the platform). It also makes argv[0] absolute. |
| 38 Remove this "<dirname>/.libs/" or "<dirname>/.libs/lt-" prefix here. */ |
| 39 const char *slash; |
| 40 const char *base; |
| 41 |
| 42 slash = strrchr (argv0, '/'); |
| 43 base = (slash != NULL ? slash + 1 : argv0); |
| 44 if (base - argv0 >= 7 && strncmp (base - 7, "/.libs/", 7) == 0) |
| 45 { |
| 46 argv0 = base; |
| 47 if (strncmp (base, "lt-", 3) == 0) |
| 48 argv0 = base + 3; |
| 49 } |
| 50 program_name = argv0; |
| 51 } |
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