qt: playlist: use item title if available
[vlc.git] / src / posix / plugin.c
blob2b803018169127f2883c59b3292c093b76dff21a
1 /*****************************************************************************
2 * plugin.c : Low-level dynamic library handling
3 *****************************************************************************
4 * Copyright (C) 2001-2007 VLC authors and VideoLAN
6 * Authors: Sam Hocevar <sam@zoy.org>
7 * Ethan C. Baldridge <BaldridgeE@cadmus.com>
8 * Hans-Peter Jansen <hpj@urpla.net>
9 * Gildas Bazin <gbazin@videolan.org>
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU Lesser General Public License as published by
13 * the Free Software Foundation; either version 2.1 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public License
22 * along with this program; if not, write to the Free Software Foundation,
23 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
26 #ifdef HAVE_CONFIG_H
27 # include "config.h"
28 #endif
30 #include <assert.h>
31 #include <vlc_common.h>
32 #include "modules/modules.h"
34 #include <sys/types.h>
35 #include <dlfcn.h>
37 #ifdef HAVE_VALGRIND_VALGRIND_H
38 # include <valgrind/valgrind.h>
39 #endif
41 void *vlc_dlopen(const char *path, bool lazy)
43 #if defined (RTLD_NOW)
44 const int flags = lazy ? RTLD_LAZY : RTLD_NOW;
45 #elif defined (DL_LAZY)
46 const int flags = DL_LAZY;
47 VLC_UNUSED(lazy);
48 #else
49 const int flags = 0;
50 VLC_UNUSED(lazy);
51 #endif
52 return dlopen (path, flags);
55 int vlc_dlclose(void *handle)
57 #if !defined(__SANITIZE_ADDRESS__)
58 #ifdef HAVE_VALGRIND_VALGRIND_H
59 if( RUNNING_ON_VALGRIND > 0 )
60 return 0; /* do not dlclose() so that we get proper stack traces */
61 #endif
62 int err = dlclose( handle );
63 assert(err == 0);
64 return err;
65 #else
66 (void) handle;
67 return 0;
68 #endif
71 void *vlc_dlsym(void *handle, const char *name)
73 return dlsym(handle, name);
76 char *vlc_dlerror(void)
78 const char *errmsg = dlerror();
79 /* XXX: This is not thread-safe at all. POSIX is helpless here. */
80 return (errmsg != NULL) ? strdup(errmsg) : NULL;