ladish/gui/binary_location.h

42 lines
1.2 KiB
C

/* Find the location of the program in the filesytem.
* Copyright (C) 2008 Dave Robillard <http://drobilla.net>
*
* This 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 of the License, or (at your option) any later
* version.
*
* This 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 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 St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
/** Return the absolute path of the binary.
* Returned value must be freed by caller.
*/
static char*
binary_location()
{
Dl_info dli;
dladdr((void*)&binary_location, &dli);
char* bin_loc = (char*)calloc(PATH_MAX, sizeof(char));
realpath(dli.dli_fname, bin_loc);
return bin_loc;
}