1 /*****************************************************************************
2 * linux_specific.c: Linux-specific initialization
3 *****************************************************************************
4 * Copyright © 2008 Rémi Denis-Courmont
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
19 *****************************************************************************/
28 #include <vlc_common.h>
29 #include "../libvlc.h"
36 static void set_libvlc_path (void)
38 static char libvlc_path[PATH_MAX];
40 assert (strlen (LIBDIR) < sizeof (libvlc_path));
41 strcpy (libvlc_path, LIBDIR); /* fail safe */
42 psz_vlcpath = libvlc_path;
44 /* Find the path to libvlc (i.e. ourselves) */
45 FILE *maps = fopen ("/proc/self/maps", "rt");
51 uintptr_t needle = (uintptr_t)set_libvlc_path;
55 ssize_t len = getline (&line, &linelen, maps);
60 if (sscanf (line, "%p-%p", &start, &end) < 2)
62 if (needle < (uintptr_t)start || (uintptr_t)end <= needle)
64 char *dir = strchr (line, '/');
67 char *file = strrchr (line, '/');
71 printf ("libvlc at %s\n", dir);
72 if (strlen (dir) < sizeof (libvlc_path))
73 strcpy (libvlc_path, dir);
82 # include <gnu/libc-version.h>
86 void system_Init (libvlc_int_t *libvlc, int *argc, const char *argv[])
89 const char *glcv = gnu_get_libc_version ();
91 /* gettext in glibc 2.5-2.7 is not thread-safe. LibVLC keeps crashing,
92 * especially in sterror_r(). Even if we have NLS disabled, the calling
93 * process might have called setlocale(). */
94 if (strverscmp (glcv, "2.5") >= 0 && strverscmp (glcv, "2.8") < 0)
96 fputs ("LibVLC has detected an unusable buggy GNU/libc version.\n"
97 "Please update to version 2.8 or newer.\n", stderr);
99 #ifndef DISABLE_BUGGY_GLIBC_CHECK
106 static pthread_once_t once = PTHREAD_ONCE_INIT;
107 pthread_once (&once, set_libvlc_path);
109 (void)libvlc; (void)argc; (void)argv;
112 void system_Configure (libvlc_int_t *libvlc, int *argc, const char *argv[])
114 (void)libvlc; (void)argc; (void)argv;
117 void system_End (libvlc_int_t *libvlc)