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/* Program name management.
Copyright (C) 2001-2003, 2005 Free Software Foundation, Inc.
Written by Bruno Haible <haible@clisp.cons.org>, 2001.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
/* Specification. */
#include "progname.h"
#include <string.h>
#undef set_program_name
/* String containing name the program is called with.
To be initialized by main(). */
const char *program_name = NULL;
/* Set program_name, based on argv[0]. */
void
set_program_name (const char *argv0)
{
/* libtool creates a temporary executable whose name is sometimes prefixed
with "lt-" (depends on the platform). It also makes argv[0] absolute.
Remove this "<dirname>/.libs/" or "<dirname>/.libs/lt-" prefix here. */
const char *slash;
const char *base;
slash = strrchr (argv0, '/');
base = (slash != NULL ? slash + 1 : argv0);
if (base - argv0 >= 7 && memcmp (base - 7, "/.libs/", 7) == 0)
argv0 = base;
if (strncmp (base, "lt-", 3) == 0)
argv0 = base + 3;
program_name = argv0;
}
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