1 /*****************************************************************************
2 * plugins.c : Dynamic plugin management functions
3 *****************************************************************************
4 * Copyright (C) 1999, 2000 VideoLAN
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public
19 * License along with this program; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
22 *****************************************************************************/
24 #include <stdlib.h> /* free(), strtol() */
25 #include <stdio.h> /* sprintf() */
26 #include <dlfcn.h> /* dlopen(), dlsym(), dlclose() */
28 #define PLUGIN_PATH_COUNT 5
30 void * RequestPlugin ( char * psz_mask, char * psz_name )
32 int i_count, i_length;
35 char * psz_plugin_path[ PLUGIN_PATH_COUNT ] =
39 /* these ones should disappear */
45 i_length = strlen( psz_mask ) + strlen( psz_name );
47 for ( i_count = 0 ; i_count < PLUGIN_PATH_COUNT ; i_count++ )
49 psz_plugin = malloc( strlen(psz_plugin_path[i_count]) + i_length + 6 );
50 sprintf( psz_plugin, "%s/%s_%s.so", psz_plugin_path[i_count], psz_mask, psz_name );
51 fd = dlopen( psz_plugin, RTLD_NOW | RTLD_GLOBAL );
61 void TrashPlugin ( void * p_plugin )
66 void *GetPluginFunction ( void *p_plugin, char *psz_name )
68 return( dlsym(p_plugin, psz_name) );