1 /* Program name management.
2 Copyright (C) 2001-2003, 2005-2009 Free Software Foundation, Inc.
3 Written by Bruno Haible <haible@clisp.cons.org>, 2001.
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.
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.
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/>. */
22 #undef ENABLE_RELOCATABLE /* avoid defining set_program_name as a macro */
28 /* String containing name the program is called with.
29 To be initialized by main(). */
30 const char *program_name = NULL;
32 /* Set program_name, based on argv[0]. */
34 set_program_name (const char *argv0)
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 But the name of the temporary executable is a detail that should not be
39 visible to the end user and to the test suite.
40 Remove this "<dirname>/.libs/" or "<dirname>/.libs/lt-" prefix here. */
44 slash = strrchr (argv0, '/');
45 base = (slash != NULL ? slash + 1 : argv0);
46 if (base - argv0 >= 7 && strncmp (base - 7, "/.libs/", 7) == 0)
49 if (strncmp (base, "lt-", 3) == 0)
53 /* But don't strip off a leading <dirname>/ in general, because when the user
55 /some/hidden/place/bin/cp foo foo
56 he should get the error message
57 /some/hidden/place/bin/cp: `foo' and `foo' are the same file
59 cp: `foo' and `foo' are the same file