misc/block.c \
modules/modules.h \
modules/modules.c \
+ modules/cache.c \
modules/entry.c \
+ modules/os.c \
misc/threads.c \
misc/stats.c \
misc/cpu.c \
--- /dev/null
+/*****************************************************************************
+ * cache.c: Plugins cache
+ *****************************************************************************
+ * Copyright (C) 2001-2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Sam Hocevar <sam@zoy.org>
+ * Ethan C. Baldridge <BaldridgeE@cadmus.com>
+ * Hans-Peter Jansen <hpj@urpla.net>
+ * Gildas Bazin <gbazin@videolan.org>
+ *
+ * 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 of the License, 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.
+ *****************************************************************************/
+
+#include <vlc/vlc.h>
+#include "libvlc.h"
+
+/* Some faulty libcs have a broken struct dirent when _FILE_OFFSET_BITS
+ * is set to 64. Don't try to be cleverer. */
+#ifdef _FILE_OFFSET_BITS
+#undef _FILE_OFFSET_BITS
+#endif
+
+#include <stdlib.h> /* free(), strtol() */
+#include <stdio.h> /* sprintf() */
+#include <string.h> /* strdup() */
+
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+#endif
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#if !defined(HAVE_DYNAMIC_PLUGINS)
+ /* no support for plugins */
+#elif defined(HAVE_DL_DYLD)
+# if defined(HAVE_MACH_O_DYLD_H)
+# include <mach-o/dyld.h>
+# endif
+#elif defined(HAVE_DL_BEOS)
+# if defined(HAVE_IMAGE_H)
+# include <image.h>
+# endif
+#elif defined(HAVE_DL_WINDOWS)
+# include <windows.h>
+#elif defined(HAVE_DL_DLOPEN)
+# if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
+# include <dlfcn.h>
+# endif
+# if defined(HAVE_SYS_DL_H)
+# include <sys/dl.h>
+# endif
+#elif defined(HAVE_DL_SHL_LOAD)
+# if defined(HAVE_DL_H)
+# include <dl.h>
+# endif
+#endif
+
+#include "config/config.h"
+
+#include "vlc_charset.h"
+
+#include "modules/modules.h"
+#include "modules/builtin.h"
+
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+#ifdef HAVE_DYNAMIC_PLUGINS
+static int CacheLoadConfig ( module_t *, FILE * );
+static void CacheSaveConfig ( module_t *, FILE * );
+static char * CacheName ( void );
+
+/* Sub-version number
+ * (only used to avoid breakage in dev version when cache structure changes) */
+#define CACHE_SUBVERSION_NUM 3
+
+/*****************************************************************************
+ * LoadPluginsCache: loads the plugins cache file
+ *****************************************************************************
+ * This function will load the plugin cache if present and valid. This cache
+ * will in turn be queried by AllocateAllPlugins() to see if it needs to
+ * actually load the dynamically loadable module.
+ * This allows us to only fully load plugins when they are actually used.
+ *****************************************************************************/
+void CacheLoad( vlc_object_t *p_this )
+{
+ char *psz_filename, *psz_cachedir;
+ FILE *file;
+ int i, j, i_size, i_read;
+ char p_cachestring[sizeof("cache " COPYRIGHT_MESSAGE)];
+ char p_cachelang[6], p_lang[6];
+ int i_cache;
+ module_cache_t **pp_cache = 0;
+ int32_t i_file_size, i_marker;
+ libvlc_global_data_t *p_libvlc_global = vlc_global();
+
+ psz_cachedir = p_this->p_libvlc->psz_cachedir;
+ if( !psz_cachedir ) /* XXX: this should never happen */
+ {
+ msg_Err( p_this, "Unable to get cache directory" );
+ return;
+ }
+
+ i_size = asprintf( &psz_filename, "%s"DIR_SEP"%s",
+ psz_cachedir, CacheName() );
+ if( i_size <= 0 )
+ {
+ msg_Err( p_this, "out of memory" );
+ return;
+ }
+
+ if( p_libvlc_global->p_module_bank->b_cache_delete )
+ {
+#if !defined( UNDER_CE )
+ unlink( psz_filename );
+#else
+ wchar_t psz_wf[MAX_PATH];
+ MultiByteToWideChar( CP_ACP, 0, psz_filename, -1, psz_wf, MAX_PATH );
+ DeleteFile( psz_wf );
+#endif
+ msg_Dbg( p_this, "removing plugins cache file %s", psz_filename );
+ free( psz_filename );
+ return;
+ }
+
+ msg_Dbg( p_this, "loading plugins cache file %s", psz_filename );
+
+ file = utf8_fopen( psz_filename, "rb" );
+ if( !file )
+ {
+ msg_Warn( p_this, "could not open plugins cache file %s for reading",
+ psz_filename );
+ free( psz_filename );
+ return;
+ }
+ free( psz_filename );
+
+ /* Check the file size */
+ i_read = fread( &i_file_size, 1, sizeof(i_file_size), file );
+ if( i_read != sizeof(i_file_size) )
+ {
+ msg_Warn( p_this, "This doesn't look like a valid plugins cache "
+ "(too short)" );
+ fclose( file );
+ return;
+ }
+
+ fseek( file, 0, SEEK_END );
+ if( ftell( file ) != i_file_size )
+ {
+ msg_Warn( p_this, "This doesn't look like a valid plugins cache "
+ "(corrupted size)" );
+ fclose( file );
+ return;
+ }
+ fseek( file, sizeof(i_file_size), SEEK_SET );
+
+ /* Check the file is a plugins cache */
+ i_size = sizeof("cache " COPYRIGHT_MESSAGE) - 1;
+ i_read = fread( p_cachestring, 1, i_size, file );
+ if( i_read != i_size ||
+ memcmp( p_cachestring, "cache " COPYRIGHT_MESSAGE, i_size ) )
+ {
+ msg_Warn( p_this, "This doesn't look like a valid plugins cache" );
+ fclose( file );
+ return;
+ }
+
+ /* Check Sub-version number */
+ i_read = fread( &i_marker, 1, sizeof(i_marker), file );
+ if( i_read != sizeof(i_marker) || i_marker != CACHE_SUBVERSION_NUM )
+ {
+ msg_Warn( p_this, "This doesn't look like a valid plugins cache "
+ "(corrupted header)" );
+ fclose( file );
+ return;
+ }
+
+ /* Check the language hasn't changed */
+ sprintf( p_lang, "%5.5s", _("C") ); i_size = 5;
+ i_read = fread( p_cachelang, 1, i_size, file );
+ if( i_read != i_size || memcmp( p_cachelang, p_lang, i_size ) )
+ {
+ msg_Warn( p_this, "This doesn't look like a valid plugins cache "
+ "(language changed)" );
+ fclose( file );
+ return;
+ }
+
+ /* Check header marker */
+ i_read = fread( &i_marker, 1, sizeof(i_marker), file );
+ if( i_read != sizeof(i_marker) ||
+ i_marker != ftell( file ) - (int)sizeof(i_marker) )
+ {
+ msg_Warn( p_this, "This doesn't look like a valid plugins cache "
+ "(corrupted header)" );
+ fclose( file );
+ return;
+ }
+
+ p_libvlc_global->p_module_bank->i_loaded_cache = 0;
+ if (fread( &i_cache, 1, sizeof(i_cache), file ) != sizeof(i_cache) )
+ {
+ msg_Warn( p_this, "This doesn't look like a valid plugins cache "
+ "(file too short)" );
+ fclose( file );
+ return;
+ }
+
+ if( i_cache )
+ pp_cache = p_libvlc_global->p_module_bank->pp_loaded_cache =
+ malloc( i_cache * sizeof(void *) );
+
+#define LOAD_IMMEDIATE(a) \
+ if( fread( (void *)&a, sizeof(char), sizeof(a), file ) != sizeof(a) ) goto error
+#define LOAD_STRING(a) \
+{ \
+ a = NULL; \
+ if( ( fread( &i_size, sizeof(i_size), 1, file ) != 1 ) \
+ || ( i_size > 16384 ) ) \
+ goto error; \
+ if( i_size ) { \
+ char *psz = malloc( i_size ); \
+ if( fread( psz, i_size, 1, file ) != 1 ) { \
+ free( psz ); \
+ goto error; \
+ } \
+ if( psz[i_size-1] ) { \
+ free( psz ); \
+ goto error; \
+ } \
+ a = psz; \
+ } \
+}
+
+ for( i = 0; i < i_cache; i++ )
+ {
+ uint16_t i_size;
+ int i_submodules;
+
+ pp_cache[i] = malloc( sizeof(module_cache_t) );
+ p_libvlc_global->p_module_bank->i_loaded_cache++;
+
+ /* Load common info */
+ LOAD_STRING( pp_cache[i]->psz_file );
+ LOAD_IMMEDIATE( pp_cache[i]->i_time );
+ LOAD_IMMEDIATE( pp_cache[i]->i_size );
+ LOAD_IMMEDIATE( pp_cache[i]->b_junk );
+ pp_cache[i]->b_used = VLC_FALSE;
+
+ if( pp_cache[i]->b_junk ) continue;
+
+ pp_cache[i]->p_module = vlc_module_create( p_this );
+
+ /* Load additional infos */
+ LOAD_STRING( pp_cache[i]->p_module->psz_object_name );
+ LOAD_STRING( pp_cache[i]->p_module->psz_shortname );
+ LOAD_STRING( pp_cache[i]->p_module->psz_longname );
+ LOAD_STRING( pp_cache[i]->p_module->psz_help );
+ for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
+ {
+ LOAD_STRING( pp_cache[i]->p_module->pp_shortcuts[j] ); // FIX
+ }
+ LOAD_STRING( pp_cache[i]->p_module->psz_capability );
+ LOAD_IMMEDIATE( pp_cache[i]->p_module->i_score );
+ LOAD_IMMEDIATE( pp_cache[i]->p_module->i_cpu );
+ LOAD_IMMEDIATE( pp_cache[i]->p_module->b_unloadable );
+ LOAD_IMMEDIATE( pp_cache[i]->p_module->b_reentrant );
+ LOAD_IMMEDIATE( pp_cache[i]->p_module->b_submodule );
+
+ /* Config stuff */
+ if( CacheLoadConfig( pp_cache[i]->p_module, file ) != VLC_SUCCESS )
+ goto error;
+
+ LOAD_STRING( pp_cache[i]->p_module->psz_filename );
+
+ LOAD_IMMEDIATE( i_submodules );
+
+ while( i_submodules-- )
+ {
+ module_t *p_module = vlc_submodule_create( pp_cache[i]->p_module );
+ LOAD_STRING( p_module->psz_object_name );
+ LOAD_STRING( p_module->psz_shortname );
+ LOAD_STRING( p_module->psz_longname );
+ LOAD_STRING( p_module->psz_help );
+ for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
+ {
+ LOAD_STRING( p_module->pp_shortcuts[j] ); // FIX
+ }
+ LOAD_STRING( p_module->psz_capability );
+ LOAD_IMMEDIATE( p_module->i_score );
+ LOAD_IMMEDIATE( p_module->i_cpu );
+ LOAD_IMMEDIATE( p_module->b_unloadable );
+ LOAD_IMMEDIATE( p_module->b_reentrant );
+ }
+ }
+
+ fclose( file );
+ return;
+
+ error:
+
+ msg_Warn( p_this, "plugins cache not loaded (corrupted)" );
+
+ /* TODO: cleanup */
+ p_libvlc_global->p_module_bank->i_loaded_cache = 0;
+
+ fclose( file );
+ return;
+}
+
+
+static int CacheLoadConfig( module_t *p_module, FILE *file )
+{
+ uint32_t i_lines;
+ uint16_t i_size;
+
+ /* Calculate the structure length */
+ LOAD_IMMEDIATE( p_module->i_config_items );
+ LOAD_IMMEDIATE( p_module->i_bool_items );
+
+ LOAD_IMMEDIATE( i_lines );
+
+ /* Allocate memory */
+ if (i_lines)
+ {
+ p_module->p_config =
+ (module_config_t *)calloc( i_lines, sizeof(module_config_t) );
+ if( p_module->p_config == NULL )
+ {
+ p_module->confsize = 0;
+ msg_Err( p_module, "config error: can't duplicate p_config" );
+ return VLC_ENOMEM;
+ }
+ }
+ p_module->confsize = i_lines;
+
+ /* Do the duplication job */
+ for (size_t i = 0; i < i_lines; i++ )
+ {
+ LOAD_IMMEDIATE( p_module->p_config[i] );
+
+ LOAD_STRING( p_module->p_config[i].psz_type );
+ LOAD_STRING( p_module->p_config[i].psz_name );
+ LOAD_STRING( p_module->p_config[i].psz_text );
+ LOAD_STRING( p_module->p_config[i].psz_longtext );
+ LOAD_STRING( p_module->p_config[i].psz_current );
+
+ if (IsConfigStringType (p_module->p_config[i].i_type))
+ {
+ LOAD_STRING (p_module->p_config[i].orig.psz);
+ p_module->p_config[i].value.psz =
+ (p_module->p_config[i].orig.psz != NULL)
+ ? strdup (p_module->p_config[i].orig.psz) : NULL;
+ p_module->p_config[i].saved.psz = NULL;
+ }
+ else
+ {
+ memcpy (&p_module->p_config[i].value, &p_module->p_config[i].orig,
+ sizeof (p_module->p_config[i].value));
+ memcpy (&p_module->p_config[i].saved, &p_module->p_config[i].orig,
+ sizeof (p_module->p_config[i].saved));
+ }
+
+ p_module->p_config[i].b_dirty = VLC_FALSE;
+
+ p_module->p_config[i].p_lock = &p_module->object_lock;
+
+ if( p_module->p_config[i].i_list )
+ {
+ if( p_module->p_config[i].ppsz_list )
+ {
+ int j;
+ p_module->p_config[i].ppsz_list =
+ malloc( (p_module->p_config[i].i_list+1) * sizeof(char *));
+ if( p_module->p_config[i].ppsz_list )
+ {
+ for( j = 0; j < p_module->p_config[i].i_list; j++ )
+ LOAD_STRING( p_module->p_config[i].ppsz_list[j] );
+ p_module->p_config[i].ppsz_list[j] = NULL;
+ }
+ }
+ if( p_module->p_config[i].ppsz_list_text )
+ {
+ int j;
+ p_module->p_config[i].ppsz_list_text =
+ malloc( (p_module->p_config[i].i_list+1) * sizeof(char *));
+ if( p_module->p_config[i].ppsz_list_text )
+ {
+ for( j = 0; j < p_module->p_config[i].i_list; j++ )
+ LOAD_STRING( p_module->p_config[i].ppsz_list_text[j] );
+ p_module->p_config[i].ppsz_list_text[j] = NULL;
+ }
+ }
+ if( p_module->p_config[i].pi_list )
+ {
+ p_module->p_config[i].pi_list =
+ malloc( (p_module->p_config[i].i_list + 1) * sizeof(int) );
+ if( p_module->p_config[i].pi_list )
+ {
+ for (int j = 0; j < p_module->p_config[i].i_list; j++)
+ LOAD_IMMEDIATE( p_module->p_config[i].pi_list[j] );
+ }
+ }
+ }
+
+ if( p_module->p_config[i].i_action )
+ {
+ p_module->p_config[i].ppf_action =
+ malloc( p_module->p_config[i].i_action * sizeof(void *) );
+ p_module->p_config[i].ppsz_action_text =
+ malloc( p_module->p_config[i].i_action * sizeof(char *) );
+
+ for (int j = 0; j < p_module->p_config[i].i_action; j++)
+ {
+ p_module->p_config[i].ppf_action[j] = 0;
+ LOAD_STRING( p_module->p_config[i].ppsz_action_text[j] );
+ }
+ }
+
+ LOAD_IMMEDIATE( p_module->p_config[i].pf_callback );
+ }
+
+ return VLC_SUCCESS;
+
+ error:
+
+ return VLC_EGENERIC;
+}
+
+/*****************************************************************************
+ * SavePluginsCache: saves the plugins cache to a file
+ *****************************************************************************/
+void CacheSave( vlc_object_t *p_this )
+{
+ static char const psz_tag[] =
+ "Signature: 8a477f597d28d172789f06886806bc55\r\n"
+ "# This file is a cache directory tag created by VLC.\r\n"
+ "# For information about cache directory tags, see:\r\n"
+ "# http://www.brynosaurus.com/cachedir/\r\n";
+
+ char *psz_cachedir;
+ FILE *file;
+ int i, j, i_cache;
+ module_cache_t **pp_cache;
+ int32_t i_file_size = 0;
+ libvlc_global_data_t *p_libvlc_global = vlc_global();
+
+ psz_cachedir = p_this->p_libvlc->psz_cachedir;
+ if( !psz_cachedir ) /* XXX: this should never happen */
+ {
+ msg_Err( p_this, "Unable to get cache directory" );
+ return;
+ }
+
+ char psz_filename[sizeof(DIR_SEP) + 32 + strlen(psz_cachedir)];
+ config_CreateDir( p_this, psz_cachedir );
+
+ snprintf( psz_filename, sizeof( psz_filename ),
+ "%s"DIR_SEP"CACHEDIR.TAG", psz_cachedir );
+ file = utf8_fopen( psz_filename, "wb" );
+ if( file )
+ {
+ fwrite( psz_tag, 1, strlen(psz_tag), file );
+ fclose( file );
+ }
+
+ snprintf( psz_filename, sizeof( psz_filename ),
+ "%s"DIR_SEP"%s", psz_cachedir, CacheName() );
+ msg_Dbg( p_this, "saving plugins cache file %s", psz_filename );
+
+ file = utf8_fopen( psz_filename, "wb" );
+ if( !file )
+ {
+ msg_Warn( p_this, "could not open plugins cache file %s for writing",
+ psz_filename );
+ return;
+ }
+
+ /* Empty space for file size */
+ fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
+
+ /* Contains version number */
+ fprintf( file, "%s", "cache " COPYRIGHT_MESSAGE );
+
+ /* Sub-version number (to avoid breakage in the dev version when cache
+ * structure changes) */
+ i_file_size = CACHE_SUBVERSION_NUM;
+ fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
+
+ /* Language */
+ fprintf( file, "%5.5s", _("C") );
+
+ /* Header marker */
+ i_file_size = ftell( file );
+ fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
+
+ i_cache = p_libvlc_global->p_module_bank->i_cache;
+ pp_cache = p_libvlc_global->p_module_bank->pp_cache;
+
+ fwrite( &i_cache, sizeof(char), sizeof(i_cache), file );
+
+#define SAVE_IMMEDIATE(a) \
+ fwrite( &a, sizeof(char), sizeof(a), file )
+#define SAVE_STRING(a) \
+ { i_size = a ? strlen( a ) + 1 : 0; \
+ fwrite( &i_size, sizeof(char), sizeof(i_size), file ); \
+ if( a ) fwrite( a, sizeof(char), i_size, file ); \
+ } while(0)
+
+ for( i = 0; i < i_cache; i++ )
+ {
+ uint16_t i_size;
+ uint32_t i_submodule;
+
+ /* Save common info */
+ SAVE_STRING( pp_cache[i]->psz_file );
+ SAVE_IMMEDIATE( pp_cache[i]->i_time );
+ SAVE_IMMEDIATE( pp_cache[i]->i_size );
+ SAVE_IMMEDIATE( pp_cache[i]->b_junk );
+
+ if( pp_cache[i]->b_junk ) continue;
+
+ /* Save additional infos */
+ SAVE_STRING( pp_cache[i]->p_module->psz_object_name );
+ SAVE_STRING( pp_cache[i]->p_module->psz_shortname );
+ SAVE_STRING( pp_cache[i]->p_module->psz_longname );
+ SAVE_STRING( pp_cache[i]->p_module->psz_help );
+ for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
+ {
+ SAVE_STRING( pp_cache[i]->p_module->pp_shortcuts[j] ); // FIX
+ }
+ SAVE_STRING( pp_cache[i]->p_module->psz_capability );
+ SAVE_IMMEDIATE( pp_cache[i]->p_module->i_score );
+ SAVE_IMMEDIATE( pp_cache[i]->p_module->i_cpu );
+ SAVE_IMMEDIATE( pp_cache[i]->p_module->b_unloadable );
+ SAVE_IMMEDIATE( pp_cache[i]->p_module->b_reentrant );
+ SAVE_IMMEDIATE( pp_cache[i]->p_module->b_submodule );
+
+ /* Config stuff */
+ CacheSaveConfig( pp_cache[i]->p_module, file );
+
+ SAVE_STRING( pp_cache[i]->p_module->psz_filename );
+
+ i_submodule = pp_cache[i]->p_module->i_children;
+ SAVE_IMMEDIATE( i_submodule );
+ for( i_submodule = 0;
+ i_submodule < (unsigned)pp_cache[i]->p_module->i_children;
+ i_submodule++ )
+ {
+ module_t *p_module =
+ (module_t *)pp_cache[i]->p_module->pp_children[i_submodule];
+
+ SAVE_STRING( p_module->psz_object_name );
+ SAVE_STRING( p_module->psz_shortname );
+ SAVE_STRING( p_module->psz_longname );
+ SAVE_STRING( p_module->psz_help );
+ for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
+ {
+ SAVE_STRING( p_module->pp_shortcuts[j] ); // FIX
+ }
+ SAVE_STRING( p_module->psz_capability );
+ SAVE_IMMEDIATE( p_module->i_score );
+ SAVE_IMMEDIATE( p_module->i_cpu );
+ SAVE_IMMEDIATE( p_module->b_unloadable );
+ SAVE_IMMEDIATE( p_module->b_reentrant );
+ }
+ }
+
+ /* Fill-up file size */
+ i_file_size = ftell( file );
+ fseek( file, 0, SEEK_SET );
+ fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
+
+ fclose( file );
+}
+
+static void CacheSaveConfig( module_t *p_module, FILE *file )
+{
+ uint32_t i_lines = p_module->confsize;
+ uint16_t i_size;
+
+ SAVE_IMMEDIATE( p_module->i_config_items );
+ SAVE_IMMEDIATE( p_module->i_bool_items );
+ SAVE_IMMEDIATE( i_lines );
+
+ for (size_t i = 0; i < i_lines ; i++)
+ {
+ SAVE_IMMEDIATE( p_module->p_config[i] );
+
+ SAVE_STRING( p_module->p_config[i].psz_type );
+ SAVE_STRING( p_module->p_config[i].psz_name );
+ SAVE_STRING( p_module->p_config[i].psz_text );
+ SAVE_STRING( p_module->p_config[i].psz_longtext );
+ SAVE_STRING( p_module->p_config[i].psz_current );
+ if (IsConfigStringType (p_module->p_config[i].i_type))
+ SAVE_STRING( p_module->p_config[i].orig.psz );
+
+ if( p_module->p_config[i].i_list )
+ {
+ if( p_module->p_config[i].ppsz_list )
+ {
+ for (int j = 0; j < p_module->p_config[i].i_list; j++)
+ SAVE_STRING( p_module->p_config[i].ppsz_list[j] );
+ }
+
+ if( p_module->p_config[i].ppsz_list_text )
+ {
+ for (int j = 0; j < p_module->p_config[i].i_list; j++)
+ SAVE_STRING( p_module->p_config[i].ppsz_list_text[j] );
+ }
+ if( p_module->p_config[i].pi_list )
+ {
+ for (int j = 0; j < p_module->p_config[i].i_list; j++)
+ SAVE_IMMEDIATE( p_module->p_config[i].pi_list[j] );
+ }
+ }
+
+ for (int j = 0; j < p_module->p_config[i].i_action; j++)
+ SAVE_STRING( p_module->p_config[i].ppsz_action_text[j] );
+
+ SAVE_IMMEDIATE( p_module->p_config[i].pf_callback );
+ }
+}
+
+/*****************************************************************************
+ * CacheName: Return the cache file name for this platform.
+ *****************************************************************************/
+static char *CacheName( void )
+{
+ static char psz_cachename[32];
+
+ /* Code int size, pointer size and endianness in the filename */
+ int32_t x = 0xbe00001e;
+ sprintf( psz_cachename, "plugins-%.2x%.2x%.2x.dat", (int)sizeof(int),
+ (int)sizeof(void *), (unsigned int)((unsigned char *)&x)[0] );
+ return psz_cachename;
+}
+
+/*****************************************************************************
+ * CacheMerge: Merge a cache module descriptor with a full module descriptor.
+ *****************************************************************************/
+void CacheMerge( vlc_object_t *p_this, module_t *p_cache, module_t *p_module )
+{
+ int i_submodule;
+ (void)p_this;
+
+ p_cache->pf_activate = p_module->pf_activate;
+ p_cache->pf_deactivate = p_module->pf_deactivate;
+ p_cache->handle = p_module->handle;
+
+ for( i_submodule = 0; i_submodule < p_module->i_children; i_submodule++ )
+ {
+ module_t *p_child = (module_t*)p_module->pp_children[i_submodule];
+ module_t *p_cchild = (module_t*)p_cache->pp_children[i_submodule];
+ p_cchild->pf_activate = p_child->pf_activate;
+ p_cchild->pf_deactivate = p_child->pf_deactivate;
+ }
+
+ p_cache->b_loaded = VLC_TRUE;
+ p_module->b_loaded = VLC_FALSE;
+}
+
+/*****************************************************************************
+ * CacheFind: finds the cache entry corresponding to a file
+ *****************************************************************************/
+module_cache_t *CacheFind( vlc_object_t *p_this, const char *psz_file,
+ int64_t i_time, int64_t i_size )
+{
+ module_cache_t **pp_cache;
+ int i_cache, i;
+ libvlc_global_data_t *p_libvlc_global = vlc_global();
+
+ pp_cache = p_libvlc_global->p_module_bank->pp_loaded_cache;
+ i_cache = p_libvlc_global->p_module_bank->i_loaded_cache;
+
+ for( i = 0; i < i_cache; i++ )
+ {
+ if( !strcmp( pp_cache[i]->psz_file, psz_file ) &&
+ pp_cache[i]->i_time == i_time &&
+ pp_cache[i]->i_size == i_size ) return pp_cache[i];
+ }
+
+ return NULL;
+}
+
+#endif /* HAVE_DYNAMIC_PLUGINS */
*****************************************************************************/
#include <vlc/vlc.h>
-#include "../libvlc.h"
+#include "libvlc.h"
/* Some faulty libcs have a broken struct dirent when _FILE_OFFSET_BITS
* is set to 64. Don't try to be cleverer. */
#endif
#include "config/config.h"
-#include "libvlc.h"
#include "vlc_charset.h"
#include "modules/modules.h"
#include "modules/builtin.h"
-#if defined( WIN32 ) || defined( UNDER_CE )
- /* Avoid name collisions */
-# define LoadModule(a,b,c) LoadVlcModule(a,b,c)
-#endif
-
/*****************************************************************************
* Local prototypes
*****************************************************************************/
#ifdef HAVE_DYNAMIC_PLUGINS
static void DupModule ( module_t * );
static void UndupModule ( module_t * );
-static int CallEntry ( module_t * );
-static int LoadModule ( vlc_object_t *, char *, module_handle_t * );
-static void CloseModule ( module_handle_t );
-static void * GetSymbol ( module_handle_t, const char * );
-static void CacheLoad ( vlc_object_t * );
-static int CacheLoadConfig ( module_t *, FILE * );
-static void CacheSave ( vlc_object_t * );
-static void CacheSaveConfig ( module_t *, FILE * );
-static char * CacheName ( void );
-static void CacheMerge ( vlc_object_t *, module_t *, module_t * );
-static module_cache_t * CacheFind( vlc_object_t *, char *, int64_t, int64_t );
-
-#if defined(HAVE_DL_WINDOWS)
-static char * GetWindowsError ( void );
-#endif
#endif
static void module_LoadMain( vlc_object_t *p_this );
-/* Sub-version number
- * (only used to avoid breakage in dev version when cache structure changes) */
-#define CACHE_SUBVERSION_NUM 3
-
/*****************************************************************************
* module_InitBank: create the module bank.
*****************************************************************************
module_t * p_module = NULL;
module_handle_t handle;
- if( LoadModule( p_this, psz_file, &handle ) )
+ if( module_Load( p_this, psz_file, &handle ) )
return NULL;
/* Now that we have successfully loaded the module, we can
if( p_module == NULL )
{
msg_Err( p_this, "out of memory" );
- CloseModule( handle );
+ module_Unload( handle );
return NULL;
}
- /* We need to fill these since they may be needed by CallEntry() */
+ /* We need to fill these since they may be needed by module_Call() */
p_module->psz_filename = psz_file;
p_module->handle = handle;
p_module->b_loaded = VLC_TRUE;
/* Initialize the module: fill p_module, default config */
- if( CallEntry( p_module ) != 0 )
+ if( module_Call( p_module ) != 0 )
{
/* We couldn't call module_init() */
vlc_object_destroy( p_module );
- CloseModule( handle );
+ module_Unload( handle );
return NULL;
}
{
if( p_module->b_loaded && p_module->b_unloadable )
{
- CloseModule( p_module->handle );
+ module_Unload( p_module->handle );
}
UndupModule( p_module );
free( p_module->psz_filename );
p_module = NULL;
return 0;
}
-
-#ifdef HAVE_DYNAMIC_PLUGINS
-/*****************************************************************************
- * CallEntry: call an entry point.
- *****************************************************************************
- * This function calls a symbol given its name and a module structure. The
- * symbol MUST refer to a function returning int and taking a module_t* as
- * an argument.
- *****************************************************************************/
-static int CallEntry( module_t * p_module )
-{
- static const char psz_name[] = "vlc_entry" MODULE_SUFFIX;
- int (* pf_symbol) ( module_t * p_module );
-
- /* Try to resolve the symbol */
- pf_symbol = (int (*)(module_t *)) GetSymbol( p_module->handle, psz_name );
-
- if( pf_symbol == NULL )
- {
-#if defined(HAVE_DL_DYLD) || defined(HAVE_DL_BEOS)
- msg_Warn( p_module, "cannot find symbol \"%s\" in file `%s'",
- psz_name, p_module->psz_filename );
-#elif defined(HAVE_DL_WINDOWS)
- char *psz_error = GetWindowsError();
- msg_Warn( p_module, "cannot find symbol \"%s\" in file `%s' (%s)",
- psz_name, p_module->psz_filename, psz_error );
- free( psz_error );
-#elif defined(HAVE_DL_DLOPEN)
- msg_Warn( p_module, "cannot find symbol \"%s\" in file `%s' (%s)",
- psz_name, p_module->psz_filename, dlerror() );
-#elif defined(HAVE_DL_SHL_LOAD)
- msg_Warn( p_module, "cannot find symbol \"%s\" in file `%s' (%m)",
- psz_name, p_module->psz_filename );
-#else
-# error "Something is wrong in modules.c"
-#endif
- return -1;
- }
-
- /* We can now try to call the symbol */
- if( pf_symbol( p_module ) != 0 )
- {
- /* With a well-written module we shouldn't have to print an
- * additional error message here, but just make sure. */
- msg_Err( p_module, "Failed to call symbol \"%s\" in file `%s'",
- psz_name, p_module->psz_filename );
- return -1;
- }
-
- /* Everything worked fine, we can return */
- return 0;
-}
-
-/*****************************************************************************
- * LoadModule: loads a dynamic library
- *****************************************************************************
- * This function loads a dynamically linked library using a system dependant
- * method. Will return 0 on success as well as the module handle.
- *****************************************************************************/
-static int LoadModule( vlc_object_t *p_this, char *psz_file,
- module_handle_t *p_handle )
-{
- module_handle_t handle;
-
-#if defined(HAVE_DL_DYLD)
- NSObjectFileImage image;
- NSObjectFileImageReturnCode ret;
-
- ret = NSCreateObjectFileImageFromFile( psz_file, &image );
-
- if( ret != NSObjectFileImageSuccess )
- {
- msg_Warn( p_this, "cannot create image from `%s'", psz_file );
- return -1;
- }
-
- /* Open the dynamic module */
- handle = NSLinkModule( image, psz_file,
- NSLINKMODULE_OPTION_RETURN_ON_ERROR );
-
- if( !handle )
- {
- NSLinkEditErrors errors;
- const char *psz_file, *psz_err;
- int i_errnum;
- NSLinkEditError( &errors, &i_errnum, &psz_file, &psz_err );
- msg_Warn( p_this, "cannot link module `%s' (%s)", psz_file, psz_err );
- NSDestroyObjectFileImage( image );
- return -1;
- }
-
- /* Destroy our image, we won't need it */
- NSDestroyObjectFileImage( image );
-
-#elif defined(HAVE_DL_BEOS)
- handle = load_add_on( psz_file );
- if( handle < 0 )
- {
- msg_Warn( p_this, "cannot load module `%s'", psz_file );
- return -1;
- }
-
-#elif defined(HAVE_DL_WINDOWS)
-#ifdef UNDER_CE
- {
- wchar_t psz_wfile[MAX_PATH];
- MultiByteToWideChar( CP_ACP, 0, psz_file, -1, psz_wfile, MAX_PATH );
- handle = LoadLibrary( psz_wfile );
- }
-#else
- handle = LoadLibrary( psz_file );
-#endif
- if( handle == NULL )
- {
- char *psz_err = GetWindowsError();
- msg_Warn( p_this, "cannot load module `%s' (%s)", psz_file, psz_err );
- free( psz_err );
- return -1;
- }
-
-#elif defined(HAVE_DL_DLOPEN) && defined(RTLD_NOW)
- /* static is OK, we are called atomically */
- handle = dlopen( psz_file, RTLD_NOW );
- if( handle == NULL )
- {
- msg_Warn( p_this, "cannot load module `%s' (%s)",
- psz_file, dlerror() );
- return -1;
- }
-
-#elif defined(HAVE_DL_DLOPEN)
-# if defined(DL_LAZY)
- handle = dlopen( psz_file, DL_LAZY );
-# else
- handle = dlopen( psz_file, 0 );
-# endif
- if( handle == NULL )
- {
- msg_Warn( p_this, "cannot load module `%s' (%s)",
- psz_file, dlerror() );
- return -1;
- }
-
-#elif defined(HAVE_DL_SHL_LOAD)
- handle = shl_load( psz_file, BIND_IMMEDIATE | BIND_NONFATAL, NULL );
- if( handle == NULL )
- {
- msg_Warn( p_this, "cannot load module `%s' (%m)", psz_file );
- return -1;
- }
-
-#else
-# error "Something is wrong in modules.c"
-
-#endif
-
- *p_handle = handle;
- return 0;
-}
-
-/*****************************************************************************
- * CloseModule: unload a dynamic library
- *****************************************************************************
- * This function unloads a previously opened dynamically linked library
- * using a system dependant method. No return value is taken in consideration,
- * since some libraries sometimes refuse to close properly.
- *****************************************************************************/
-static void CloseModule( module_handle_t handle )
-{
-#if defined(HAVE_DL_DYLD)
- NSUnLinkModule( handle, FALSE );
-
-#elif defined(HAVE_DL_BEOS)
- unload_add_on( handle );
-
-#elif defined(HAVE_DL_WINDOWS)
- FreeLibrary( handle );
-
-#elif defined(HAVE_DL_DLOPEN)
-# ifdef NDEBUG
- dlclose( handle );
-# endif
-
-#elif defined(HAVE_DL_SHL_LOAD)
- shl_unload( handle );
-
-#endif
- return;
-}
-
-/*****************************************************************************
- * GetSymbol: get a symbol from a dynamic library
- *****************************************************************************
- * This function queries a loaded library for a symbol specified in a
- * string, and returns a pointer to it. We don't check for dlerror() or
- * similar functions, since we want a non-NULL symbol anyway.
- *****************************************************************************/
-static void * _module_getsymbol( module_handle_t, const char * );
-
-static void * GetSymbol( module_handle_t handle, const char * psz_function )
-{
- void * p_symbol = _module_getsymbol( handle, psz_function );
-
- /* MacOS X dl library expects symbols to begin with "_". So do
- * some other operating systems. That's really lame, but hey, what
- * can we do ? */
- if( p_symbol == NULL )
- {
- char psz_call[strlen( psz_function ) + 2];
-
- psz_call[ 0 ] = '_';
- memcpy( psz_call + 1, psz_function, sizeof (psz_call) - 1 );
- p_symbol = _module_getsymbol( handle, psz_call );
- }
-
- return p_symbol;
-}
-
-static void * _module_getsymbol( module_handle_t handle,
- const char * psz_function )
-{
-#if defined(HAVE_DL_DYLD)
- NSSymbol sym = NSLookupSymbolInModule( handle, psz_function );
- return NSAddressOfSymbol( sym );
-
-#elif defined(HAVE_DL_BEOS)
- void * p_symbol;
- if( B_OK == get_image_symbol( handle, psz_function,
- B_SYMBOL_TYPE_TEXT, &p_symbol ) )
- {
- return p_symbol;
- }
- else
- {
- return NULL;
- }
-
-#elif defined(HAVE_DL_WINDOWS) && defined(UNDER_CE)
- wchar_t psz_real[256];
- MultiByteToWideChar( CP_ACP, 0, psz_function, -1, psz_real, 256 );
-
- return (void *)GetProcAddress( handle, psz_real );
-
-#elif defined(HAVE_DL_WINDOWS) && defined(WIN32)
- return (void *)GetProcAddress( handle, (char *)psz_function );
-
-#elif defined(HAVE_DL_DLOPEN)
- return dlsym( handle, psz_function );
-
-#elif defined(HAVE_DL_SHL_LOAD)
- void *p_sym;
- shl_findsym( &handle, psz_function, TYPE_UNDEFINED, &p_sym );
- return p_sym;
-
-#endif
-}
-
-#if defined(HAVE_DL_WINDOWS)
-static char * GetWindowsError( void )
-{
-#if defined(UNDER_CE)
- wchar_t psz_tmp[MAX_PATH];
- char * psz_buffer = malloc( MAX_PATH );
-#else
- char * psz_tmp = malloc( MAX_PATH );
-#endif
- int i = 0, i_error = GetLastError();
-
- FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
- NULL, i_error, MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
- (LPTSTR)psz_tmp, MAX_PATH, NULL );
-
- /* Go to the end of the string */
- while( psz_tmp[i] && psz_tmp[i] != _T('\r') && psz_tmp[i] != _T('\n') )
- {
- i++;
- }
-
- if( psz_tmp[i] )
- {
-#if defined(UNDER_CE)
- swprintf( psz_tmp + i, L" (error %i)", i_error );
- psz_tmp[ 255 ] = L'\0';
-#else
- snprintf( psz_tmp + i, 256 - i, " (error %i)", i_error );
- psz_tmp[ 255 ] = '\0';
-#endif
- }
-
-#if defined(UNDER_CE)
- wcstombs( psz_buffer, psz_tmp, MAX_PATH );
- return psz_buffer;
-#else
- return psz_tmp;
-#endif
-}
-#endif /* HAVE_DL_WINDOWS */
-
-/*****************************************************************************
- * LoadPluginsCache: loads the plugins cache file
- *****************************************************************************
- * This function will load the plugin cache if present and valid. This cache
- * will in turn be queried by AllocateAllPlugins() to see if it needs to
- * actually load the dynamically loadable module.
- * This allows us to only fully load plugins when they are actually used.
- *****************************************************************************/
-static void CacheLoad( vlc_object_t *p_this )
-{
- char *psz_filename, *psz_cachedir;
- FILE *file;
- int i, j, i_size, i_read;
- char p_cachestring[sizeof("cache " COPYRIGHT_MESSAGE)];
- char p_cachelang[6], p_lang[6];
- int i_cache;
- module_cache_t **pp_cache = 0;
- int32_t i_file_size, i_marker;
- libvlc_global_data_t *p_libvlc_global = vlc_global();
-
- psz_cachedir = p_this->p_libvlc->psz_cachedir;
- if( !psz_cachedir ) /* XXX: this should never happen */
- {
- msg_Err( p_this, "Unable to get cache directory" );
- return;
- }
-
- i_size = asprintf( &psz_filename, "%s"DIR_SEP"%s",
- psz_cachedir, CacheName() );
- if( i_size <= 0 )
- {
- msg_Err( p_this, "out of memory" );
- return;
- }
-
- if( p_libvlc_global->p_module_bank->b_cache_delete )
- {
-#if !defined( UNDER_CE )
- unlink( psz_filename );
-#else
- wchar_t psz_wf[MAX_PATH];
- MultiByteToWideChar( CP_ACP, 0, psz_filename, -1, psz_wf, MAX_PATH );
- DeleteFile( psz_wf );
-#endif
- msg_Dbg( p_this, "removing plugins cache file %s", psz_filename );
- free( psz_filename );
- return;
- }
-
- msg_Dbg( p_this, "loading plugins cache file %s", psz_filename );
-
- file = utf8_fopen( psz_filename, "rb" );
- if( !file )
- {
- msg_Warn( p_this, "could not open plugins cache file %s for reading",
- psz_filename );
- free( psz_filename );
- return;
- }
- free( psz_filename );
-
- /* Check the file size */
- i_read = fread( &i_file_size, 1, sizeof(i_file_size), file );
- if( i_read != sizeof(i_file_size) )
- {
- msg_Warn( p_this, "This doesn't look like a valid plugins cache "
- "(too short)" );
- fclose( file );
- return;
- }
-
- fseek( file, 0, SEEK_END );
- if( ftell( file ) != i_file_size )
- {
- msg_Warn( p_this, "This doesn't look like a valid plugins cache "
- "(corrupted size)" );
- fclose( file );
- return;
- }
- fseek( file, sizeof(i_file_size), SEEK_SET );
-
- /* Check the file is a plugins cache */
- i_size = sizeof("cache " COPYRIGHT_MESSAGE) - 1;
- i_read = fread( p_cachestring, 1, i_size, file );
- if( i_read != i_size ||
- memcmp( p_cachestring, "cache " COPYRIGHT_MESSAGE, i_size ) )
- {
- msg_Warn( p_this, "This doesn't look like a valid plugins cache" );
- fclose( file );
- return;
- }
-
- /* Check Sub-version number */
- i_read = fread( &i_marker, 1, sizeof(i_marker), file );
- if( i_read != sizeof(i_marker) || i_marker != CACHE_SUBVERSION_NUM )
- {
- msg_Warn( p_this, "This doesn't look like a valid plugins cache "
- "(corrupted header)" );
- fclose( file );
- return;
- }
-
- /* Check the language hasn't changed */
- sprintf( p_lang, "%5.5s", _("C") ); i_size = 5;
- i_read = fread( p_cachelang, 1, i_size, file );
- if( i_read != i_size || memcmp( p_cachelang, p_lang, i_size ) )
- {
- msg_Warn( p_this, "This doesn't look like a valid plugins cache "
- "(language changed)" );
- fclose( file );
- return;
- }
-
- /* Check header marker */
- i_read = fread( &i_marker, 1, sizeof(i_marker), file );
- if( i_read != sizeof(i_marker) ||
- i_marker != ftell( file ) - (int)sizeof(i_marker) )
- {
- msg_Warn( p_this, "This doesn't look like a valid plugins cache "
- "(corrupted header)" );
- fclose( file );
- return;
- }
-
- p_libvlc_global->p_module_bank->i_loaded_cache = 0;
- if (fread( &i_cache, 1, sizeof(i_cache), file ) != sizeof(i_cache) )
- {
- msg_Warn( p_this, "This doesn't look like a valid plugins cache "
- "(file too short)" );
- fclose( file );
- return;
- }
-
- if( i_cache )
- pp_cache = p_libvlc_global->p_module_bank->pp_loaded_cache =
- malloc( i_cache * sizeof(void *) );
-
-#define LOAD_IMMEDIATE(a) \
- if( fread( (void *)&a, sizeof(char), sizeof(a), file ) != sizeof(a) ) goto error
-#define LOAD_STRING(a) \
-{ \
- a = NULL; \
- if( ( fread( &i_size, sizeof(i_size), 1, file ) != 1 ) \
- || ( i_size > 16384 ) ) \
- goto error; \
- if( i_size ) { \
- char *psz = malloc( i_size ); \
- if( fread( psz, i_size, 1, file ) != 1 ) { \
- free( psz ); \
- goto error; \
- } \
- if( psz[i_size-1] ) { \
- free( psz ); \
- goto error; \
- } \
- a = psz; \
- } \
-}
-
- for( i = 0; i < i_cache; i++ )
- {
- uint16_t i_size;
- int i_submodules;
-
- pp_cache[i] = malloc( sizeof(module_cache_t) );
- p_libvlc_global->p_module_bank->i_loaded_cache++;
-
- /* Load common info */
- LOAD_STRING( pp_cache[i]->psz_file );
- LOAD_IMMEDIATE( pp_cache[i]->i_time );
- LOAD_IMMEDIATE( pp_cache[i]->i_size );
- LOAD_IMMEDIATE( pp_cache[i]->b_junk );
- pp_cache[i]->b_used = VLC_FALSE;
-
- if( pp_cache[i]->b_junk ) continue;
-
- pp_cache[i]->p_module = vlc_module_create( p_this );
-
- /* Load additional infos */
- LOAD_STRING( pp_cache[i]->p_module->psz_object_name );
- LOAD_STRING( pp_cache[i]->p_module->psz_shortname );
- LOAD_STRING( pp_cache[i]->p_module->psz_longname );
- LOAD_STRING( pp_cache[i]->p_module->psz_help );
- for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
- {
- LOAD_STRING( pp_cache[i]->p_module->pp_shortcuts[j] ); // FIX
- }
- LOAD_STRING( pp_cache[i]->p_module->psz_capability );
- LOAD_IMMEDIATE( pp_cache[i]->p_module->i_score );
- LOAD_IMMEDIATE( pp_cache[i]->p_module->i_cpu );
- LOAD_IMMEDIATE( pp_cache[i]->p_module->b_unloadable );
- LOAD_IMMEDIATE( pp_cache[i]->p_module->b_reentrant );
- LOAD_IMMEDIATE( pp_cache[i]->p_module->b_submodule );
-
- /* Config stuff */
- if( CacheLoadConfig( pp_cache[i]->p_module, file ) != VLC_SUCCESS )
- goto error;
-
- LOAD_STRING( pp_cache[i]->p_module->psz_filename );
-
- LOAD_IMMEDIATE( i_submodules );
-
- while( i_submodules-- )
- {
- module_t *p_module = vlc_submodule_create( pp_cache[i]->p_module );
- LOAD_STRING( p_module->psz_object_name );
- LOAD_STRING( p_module->psz_shortname );
- LOAD_STRING( p_module->psz_longname );
- LOAD_STRING( p_module->psz_help );
- for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
- {
- LOAD_STRING( p_module->pp_shortcuts[j] ); // FIX
- }
- LOAD_STRING( p_module->psz_capability );
- LOAD_IMMEDIATE( p_module->i_score );
- LOAD_IMMEDIATE( p_module->i_cpu );
- LOAD_IMMEDIATE( p_module->b_unloadable );
- LOAD_IMMEDIATE( p_module->b_reentrant );
- }
- }
-
- fclose( file );
- return;
-
- error:
-
- msg_Warn( p_this, "plugins cache not loaded (corrupted)" );
-
- /* TODO: cleanup */
- p_libvlc_global->p_module_bank->i_loaded_cache = 0;
-
- fclose( file );
- return;
-}
-
-
-int CacheLoadConfig( module_t *p_module, FILE *file )
-{
- uint32_t i_lines;
- uint16_t i_size;
-
- /* Calculate the structure length */
- LOAD_IMMEDIATE( p_module->i_config_items );
- LOAD_IMMEDIATE( p_module->i_bool_items );
-
- LOAD_IMMEDIATE( i_lines );
-
- /* Allocate memory */
- if (i_lines)
- {
- p_module->p_config =
- (module_config_t *)calloc( i_lines, sizeof(module_config_t) );
- if( p_module->p_config == NULL )
- {
- p_module->confsize = 0;
- msg_Err( p_module, "config error: can't duplicate p_config" );
- return VLC_ENOMEM;
- }
- }
- p_module->confsize = i_lines;
-
- /* Do the duplication job */
- for (size_t i = 0; i < i_lines; i++ )
- {
- LOAD_IMMEDIATE( p_module->p_config[i] );
-
- LOAD_STRING( p_module->p_config[i].psz_type );
- LOAD_STRING( p_module->p_config[i].psz_name );
- LOAD_STRING( p_module->p_config[i].psz_text );
- LOAD_STRING( p_module->p_config[i].psz_longtext );
- LOAD_STRING( p_module->p_config[i].psz_current );
-
- if (IsConfigStringType (p_module->p_config[i].i_type))
- {
- LOAD_STRING (p_module->p_config[i].orig.psz);
- p_module->p_config[i].value.psz =
- (p_module->p_config[i].orig.psz != NULL)
- ? strdup (p_module->p_config[i].orig.psz) : NULL;
- p_module->p_config[i].saved.psz = NULL;
- }
- else
- {
- memcpy (&p_module->p_config[i].value, &p_module->p_config[i].orig,
- sizeof (p_module->p_config[i].value));
- memcpy (&p_module->p_config[i].saved, &p_module->p_config[i].orig,
- sizeof (p_module->p_config[i].saved));
- }
-
- p_module->p_config[i].b_dirty = VLC_FALSE;
-
- p_module->p_config[i].p_lock = &p_module->object_lock;
-
- if( p_module->p_config[i].i_list )
- {
- if( p_module->p_config[i].ppsz_list )
- {
- int j;
- p_module->p_config[i].ppsz_list =
- malloc( (p_module->p_config[i].i_list+1) * sizeof(char *));
- if( p_module->p_config[i].ppsz_list )
- {
- for( j = 0; j < p_module->p_config[i].i_list; j++ )
- LOAD_STRING( p_module->p_config[i].ppsz_list[j] );
- p_module->p_config[i].ppsz_list[j] = NULL;
- }
- }
- if( p_module->p_config[i].ppsz_list_text )
- {
- int j;
- p_module->p_config[i].ppsz_list_text =
- malloc( (p_module->p_config[i].i_list+1) * sizeof(char *));
- if( p_module->p_config[i].ppsz_list_text )
- {
- for( j = 0; j < p_module->p_config[i].i_list; j++ )
- LOAD_STRING( p_module->p_config[i].ppsz_list_text[j] );
- p_module->p_config[i].ppsz_list_text[j] = NULL;
- }
- }
- if( p_module->p_config[i].pi_list )
- {
- p_module->p_config[i].pi_list =
- malloc( (p_module->p_config[i].i_list + 1) * sizeof(int) );
- if( p_module->p_config[i].pi_list )
- {
- for (int j = 0; j < p_module->p_config[i].i_list; j++)
- LOAD_IMMEDIATE( p_module->p_config[i].pi_list[j] );
- }
- }
- }
-
- if( p_module->p_config[i].i_action )
- {
- p_module->p_config[i].ppf_action =
- malloc( p_module->p_config[i].i_action * sizeof(void *) );
- p_module->p_config[i].ppsz_action_text =
- malloc( p_module->p_config[i].i_action * sizeof(char *) );
-
- for (int j = 0; j < p_module->p_config[i].i_action; j++)
- {
- p_module->p_config[i].ppf_action[j] = 0;
- LOAD_STRING( p_module->p_config[i].ppsz_action_text[j] );
- }
- }
-
- LOAD_IMMEDIATE( p_module->p_config[i].pf_callback );
- }
-
- return VLC_SUCCESS;
-
- error:
-
- return VLC_EGENERIC;
-}
-
-/*****************************************************************************
- * SavePluginsCache: saves the plugins cache to a file
- *****************************************************************************/
-static void CacheSave( vlc_object_t *p_this )
-{
- static char const psz_tag[] =
- "Signature: 8a477f597d28d172789f06886806bc55\r\n"
- "# This file is a cache directory tag created by VLC.\r\n"
- "# For information about cache directory tags, see:\r\n"
- "# http://www.brynosaurus.com/cachedir/\r\n";
-
- char *psz_cachedir;
- size_t i_len = 0;
- FILE *file;
- int i, j, i_cache;
- module_cache_t **pp_cache;
- int32_t i_file_size = 0;
- libvlc_global_data_t *p_libvlc_global = vlc_global();
-
- psz_cachedir = p_this->p_libvlc->psz_cachedir;
- if( !psz_cachedir ) /* XXX: this should never happen */
- {
- msg_Err( p_this, "Unable to get cache directory" );
- return;
- }
-
- char psz_filename[sizeof(DIR_SEP) + 32 + strlen(psz_cachedir)];
- config_CreateDir( p_this, psz_cachedir );
-
- snprintf( psz_filename, sizeof( psz_filename ),
- "%s"DIR_SEP"CACHEDIR.TAG", psz_cachedir );
- file = utf8_fopen( psz_filename, "wb" );
- if( file )
- {
- fwrite( psz_tag, 1, strlen(psz_tag), file );
- fclose( file );
- }
-
- snprintf( psz_filename, sizeof( psz_filename ),
- "%s"DIR_SEP"%s", psz_cachedir, CacheName() );
- msg_Dbg( p_this, "saving plugins cache file %s", psz_filename );
-
- file = utf8_fopen( psz_filename, "wb" );
- if( !file )
- {
- msg_Warn( p_this, "could not open plugins cache file %s for writing",
- psz_filename );
- return;
- }
-
- /* Empty space for file size */
- fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
-
- /* Contains version number */
- fprintf( file, "%s", "cache " COPYRIGHT_MESSAGE );
-
- /* Sub-version number (to avoid breakage in the dev version when cache
- * structure changes) */
- i_file_size = CACHE_SUBVERSION_NUM;
- fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
-
- /* Language */
- fprintf( file, "%5.5s", _("C") );
-
- /* Header marker */
- i_file_size = ftell( file );
- fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
-
- i_cache = p_libvlc_global->p_module_bank->i_cache;
- pp_cache = p_libvlc_global->p_module_bank->pp_cache;
-
- fwrite( &i_cache, sizeof(char), sizeof(i_cache), file );
-
-#define SAVE_IMMEDIATE(a) \
- fwrite( &a, sizeof(char), sizeof(a), file )
-#define SAVE_STRING(a) \
- { i_size = a ? strlen( a ) + 1 : 0; \
- fwrite( &i_size, sizeof(char), sizeof(i_size), file ); \
- if( a ) fwrite( a, sizeof(char), i_size, file ); \
- } while(0)
-
- for( i = 0; i < i_cache; i++ )
- {
- uint16_t i_size;
- uint32_t i_submodule;
-
- /* Save common info */
- SAVE_STRING( pp_cache[i]->psz_file );
- SAVE_IMMEDIATE( pp_cache[i]->i_time );
- SAVE_IMMEDIATE( pp_cache[i]->i_size );
- SAVE_IMMEDIATE( pp_cache[i]->b_junk );
-
- if( pp_cache[i]->b_junk ) continue;
-
- /* Save additional infos */
- SAVE_STRING( pp_cache[i]->p_module->psz_object_name );
- SAVE_STRING( pp_cache[i]->p_module->psz_shortname );
- SAVE_STRING( pp_cache[i]->p_module->psz_longname );
- SAVE_STRING( pp_cache[i]->p_module->psz_help );
- for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
- {
- SAVE_STRING( pp_cache[i]->p_module->pp_shortcuts[j] ); // FIX
- }
- SAVE_STRING( pp_cache[i]->p_module->psz_capability );
- SAVE_IMMEDIATE( pp_cache[i]->p_module->i_score );
- SAVE_IMMEDIATE( pp_cache[i]->p_module->i_cpu );
- SAVE_IMMEDIATE( pp_cache[i]->p_module->b_unloadable );
- SAVE_IMMEDIATE( pp_cache[i]->p_module->b_reentrant );
- SAVE_IMMEDIATE( pp_cache[i]->p_module->b_submodule );
-
- /* Config stuff */
- CacheSaveConfig( pp_cache[i]->p_module, file );
-
- SAVE_STRING( pp_cache[i]->p_module->psz_filename );
-
- i_submodule = pp_cache[i]->p_module->i_children;
- SAVE_IMMEDIATE( i_submodule );
- for( i_submodule = 0;
- i_submodule < (unsigned)pp_cache[i]->p_module->i_children;
- i_submodule++ )
- {
- module_t *p_module =
- (module_t *)pp_cache[i]->p_module->pp_children[i_submodule];
-
- SAVE_STRING( p_module->psz_object_name );
- SAVE_STRING( p_module->psz_shortname );
- SAVE_STRING( p_module->psz_longname );
- SAVE_STRING( p_module->psz_help );
- for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
- {
- SAVE_STRING( p_module->pp_shortcuts[j] ); // FIX
- }
- SAVE_STRING( p_module->psz_capability );
- SAVE_IMMEDIATE( p_module->i_score );
- SAVE_IMMEDIATE( p_module->i_cpu );
- SAVE_IMMEDIATE( p_module->b_unloadable );
- SAVE_IMMEDIATE( p_module->b_reentrant );
- }
- }
-
- /* Fill-up file size */
- i_file_size = ftell( file );
- fseek( file, 0, SEEK_SET );
- fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
-
- fclose( file );
-}
-
-void CacheSaveConfig( module_t *p_module, FILE *file )
-{
- uint32_t i_lines = p_module->confsize;
- uint16_t i_size;
-
- SAVE_IMMEDIATE( p_module->i_config_items );
- SAVE_IMMEDIATE( p_module->i_bool_items );
- SAVE_IMMEDIATE( i_lines );
-
- for (size_t i = 0; i < i_lines ; i++)
- {
- SAVE_IMMEDIATE( p_module->p_config[i] );
-
- SAVE_STRING( p_module->p_config[i].psz_type );
- SAVE_STRING( p_module->p_config[i].psz_name );
- SAVE_STRING( p_module->p_config[i].psz_text );
- SAVE_STRING( p_module->p_config[i].psz_longtext );
- SAVE_STRING( p_module->p_config[i].psz_current );
- if (IsConfigStringType (p_module->p_config[i].i_type))
- SAVE_STRING( p_module->p_config[i].orig.psz );
-
- if( p_module->p_config[i].i_list )
- {
- if( p_module->p_config[i].ppsz_list )
- {
- for (int j = 0; j < p_module->p_config[i].i_list; j++)
- SAVE_STRING( p_module->p_config[i].ppsz_list[j] );
- }
-
- if( p_module->p_config[i].ppsz_list_text )
- {
- for (int j = 0; j < p_module->p_config[i].i_list; j++)
- SAVE_STRING( p_module->p_config[i].ppsz_list_text[j] );
- }
- if( p_module->p_config[i].pi_list )
- {
- for (int j = 0; j < p_module->p_config[i].i_list; j++)
- SAVE_IMMEDIATE( p_module->p_config[i].pi_list[j] );
- }
- }
-
- for (int j = 0; j < p_module->p_config[i].i_action; j++)
- SAVE_STRING( p_module->p_config[i].ppsz_action_text[j] );
-
- SAVE_IMMEDIATE( p_module->p_config[i].pf_callback );
- }
-}
-
-/*****************************************************************************
- * CacheName: Return the cache file name for this platform.
- *****************************************************************************/
-static char *CacheName( void )
-{
- static char psz_cachename[32];
-
- /* Code int size, pointer size and endianness in the filename */
- int32_t x = 0xbe00001e;
- sprintf( psz_cachename, "plugins-%.2x%.2x%.2x.dat", (int)sizeof(int),
- (int)sizeof(void *), (unsigned int)((unsigned char *)&x)[0] );
- return psz_cachename;
-}
-
-/*****************************************************************************
- * CacheMerge: Merge a cache module descriptor with a full module descriptor.
- *****************************************************************************/
-static void CacheMerge( vlc_object_t *p_this, module_t *p_cache,
- module_t *p_module )
-{
- int i_submodule;
- (void)p_this;
-
- p_cache->pf_activate = p_module->pf_activate;
- p_cache->pf_deactivate = p_module->pf_deactivate;
- p_cache->handle = p_module->handle;
-
- for( i_submodule = 0; i_submodule < p_module->i_children; i_submodule++ )
- {
- module_t *p_child = (module_t*)p_module->pp_children[i_submodule];
- module_t *p_cchild = (module_t*)p_cache->pp_children[i_submodule];
- p_cchild->pf_activate = p_child->pf_activate;
- p_cchild->pf_deactivate = p_child->pf_deactivate;
- }
-
- p_cache->b_loaded = VLC_TRUE;
- p_module->b_loaded = VLC_FALSE;
-}
-
-/*****************************************************************************
- * CacheFind: finds the cache entry corresponding to a file
- *****************************************************************************/
-static module_cache_t *CacheFind( vlc_object_t *p_this, char *psz_file,
- int64_t i_time, int64_t i_size )
-{
- module_cache_t **pp_cache;
- int i_cache, i;
- libvlc_global_data_t *p_libvlc_global = vlc_global();
-
- pp_cache = p_libvlc_global->p_module_bank->pp_loaded_cache;
- i_cache = p_libvlc_global->p_module_bank->i_loaded_cache;
-
- for( i = 0; i < i_cache; i++ )
- {
- if( !strcmp( pp_cache[i]->psz_file, psz_file ) &&
- pp_cache[i]->i_time == i_time &&
- pp_cache[i]->i_size == i_size ) return pp_cache[i];
- }
-
- return NULL;
-}
-
-#endif /* HAVE_DYNAMIC_PLUGINS */
#define module_ResetBank(a) __module_ResetBank(VLC_OBJECT(a))
void __module_ResetBank ( vlc_object_t * );
+/* Low-level OS-dependant handler */
+int module_Call (module_t *);
+int module_Load (vlc_object_t *, const char *, module_handle_t *);
+void module_Unload (module_handle_t);
+
+/* Plugins cache */
+void CacheMerge (vlc_object_t *, module_t *, module_t *);
+void CacheLoad (vlc_object_t * );
+void CacheSave (vlc_object_t * );
+module_cache_t * CacheFind (vlc_object_t *, const char *, int64_t, int64_t);
+
#endif /* !__LIBVLC_MODULES_H */
--- /dev/null
+/*****************************************************************************
+ * os.c : Low-level dynamic library handling
+ *****************************************************************************
+ * Copyright (C) 2001-2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Sam Hocevar <sam@zoy.org>
+ * Ethan C. Baldridge <BaldridgeE@cadmus.com>
+ * Hans-Peter Jansen <hpj@urpla.net>
+ * Gildas Bazin <gbazin@videolan.org>
+ *
+ * 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 of the License, 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.
+ *****************************************************************************/
+
+#include <vlc/vlc.h>
+#include "libvlc.h"
+#include "modules.h"
+
+#include <stdlib.h> /* free(), strtol() */
+#include <stdio.h> /* sprintf() */
+#include <string.h> /* strdup() */
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#if !defined(HAVE_DYNAMIC_PLUGINS)
+ /* no support for plugins */
+#elif defined(HAVE_DL_DYLD)
+# if defined(HAVE_MACH_O_DYLD_H)
+# include <mach-o/dyld.h>
+# endif
+#elif defined(HAVE_DL_BEOS)
+# if defined(HAVE_IMAGE_H)
+# include <image.h>
+# endif
+#elif defined(HAVE_DL_WINDOWS)
+# include <windows.h>
+#elif defined(HAVE_DL_DLOPEN)
+# if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
+# include <dlfcn.h>
+# endif
+# if defined(HAVE_SYS_DL_H)
+# include <sys/dl.h>
+# endif
+#elif defined(HAVE_DL_SHL_LOAD)
+# if defined(HAVE_DL_H)
+# include <dl.h>
+# endif
+#endif
+
+//#include "config/config.h"
+
+//#include "vlc_charset.h"
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+#ifdef HAVE_DYNAMIC_PLUGINS
+static void * GetSymbol ( module_handle_t, const char * );
+
+#if defined(HAVE_DL_WINDOWS)
+static char * GetWindowsError ( void );
+#endif
+
+/*****************************************************************************
+ * module_Call: call an entry point.
+ *****************************************************************************
+ * This function calls a symbol given its name and a module structure. The
+ * symbol MUST refer to a function returning int and taking a module_t* as
+ * an argument.
+ *****************************************************************************/
+int module_Call( module_t * p_module )
+{
+ static const char psz_name[] = "vlc_entry" MODULE_SUFFIX;
+ int (* pf_symbol) ( module_t * p_module );
+
+ /* Try to resolve the symbol */
+ pf_symbol = (int (*)(module_t *)) GetSymbol( p_module->handle, psz_name );
+
+ if( pf_symbol == NULL )
+ {
+#if defined(HAVE_DL_DYLD) || defined(HAVE_DL_BEOS)
+ msg_Warn( p_module, "cannot find symbol \"%s\" in file `%s'",
+ psz_name, p_module->psz_filename );
+#elif defined(HAVE_DL_WINDOWS)
+ char *psz_error = GetWindowsError();
+ msg_Warn( p_module, "cannot find symbol \"%s\" in file `%s' (%s)",
+ psz_name, p_module->psz_filename, psz_error );
+ free( psz_error );
+#elif defined(HAVE_DL_DLOPEN)
+ msg_Warn( p_module, "cannot find symbol \"%s\" in file `%s' (%s)",
+ psz_name, p_module->psz_filename, dlerror() );
+#elif defined(HAVE_DL_SHL_LOAD)
+ msg_Warn( p_module, "cannot find symbol \"%s\" in file `%s' (%m)",
+ psz_name, p_module->psz_filename );
+#else
+# error "Something is wrong in modules.c"
+#endif
+ return -1;
+ }
+
+ /* We can now try to call the symbol */
+ if( pf_symbol( p_module ) != 0 )
+ {
+ /* With a well-written module we shouldn't have to print an
+ * additional error message here, but just make sure. */
+ msg_Err( p_module, "Failed to call symbol \"%s\" in file `%s'",
+ psz_name, p_module->psz_filename );
+ return -1;
+ }
+
+ /* Everything worked fine, we can return */
+ return 0;
+}
+
+/*****************************************************************************
+ * module_Load: loads a dynamic library
+ *****************************************************************************
+ * This function loads a dynamically linked library using a system dependant
+ * method. Will return 0 on success as well as the module handle.
+ *****************************************************************************/
+int module_Load( vlc_object_t *p_this, const char *psz_file,
+ module_handle_t *p_handle )
+{
+ module_handle_t handle;
+
+#if defined(HAVE_DL_DYLD)
+ NSObjectFileImage image;
+ NSObjectFileImageReturnCode ret;
+
+ ret = NSCreateObjectFileImageFromFile( psz_file, &image );
+
+ if( ret != NSObjectFileImageSuccess )
+ {
+ msg_Warn( p_this, "cannot create image from `%s'", psz_file );
+ return -1;
+ }
+
+ /* Open the dynamic module */
+ handle = NSLinkModule( image, psz_file,
+ NSLINKMODULE_OPTION_RETURN_ON_ERROR );
+
+ if( !handle )
+ {
+ NSLinkEditErrors errors;
+ const char *psz_file, *psz_err;
+ int i_errnum;
+ NSLinkEditError( &errors, &i_errnum, &psz_file, &psz_err );
+ msg_Warn( p_this, "cannot link module `%s' (%s)", psz_file, psz_err );
+ NSDestroyObjectFileImage( image );
+ return -1;
+ }
+
+ /* Destroy our image, we won't need it */
+ NSDestroyObjectFileImage( image );
+
+#elif defined(HAVE_DL_BEOS)
+ handle = load_add_on( psz_file );
+ if( handle < 0 )
+ {
+ msg_Warn( p_this, "cannot load module `%s'", psz_file );
+ return -1;
+ }
+
+#elif defined(HAVE_DL_WINDOWS)
+#ifdef UNDER_CE
+ {
+ wchar_t psz_wfile[MAX_PATH];
+ MultiByteToWideChar( CP_ACP, 0, psz_file, -1, psz_wfile, MAX_PATH );
+ handle = LoadLibrary( psz_wfile );
+ }
+#else
+ handle = LoadLibrary( psz_file );
+#endif
+ if( handle == NULL )
+ {
+ char *psz_err = GetWindowsError();
+ msg_Warn( p_this, "cannot load module `%s' (%s)", psz_file, psz_err );
+ free( psz_err );
+ return -1;
+ }
+
+#elif defined(HAVE_DL_DLOPEN) && defined(RTLD_NOW)
+ /* static is OK, we are called atomically */
+ handle = dlopen( psz_file, RTLD_NOW );
+ if( handle == NULL )
+ {
+ msg_Warn( p_this, "cannot load module `%s' (%s)",
+ psz_file, dlerror() );
+ return -1;
+ }
+
+#elif defined(HAVE_DL_DLOPEN)
+# if defined(DL_LAZY)
+ handle = dlopen( psz_file, DL_LAZY );
+# else
+ handle = dlopen( psz_file, 0 );
+# endif
+ if( handle == NULL )
+ {
+ msg_Warn( p_this, "cannot load module `%s' (%s)",
+ psz_file, dlerror() );
+ return -1;
+ }
+
+#elif defined(HAVE_DL_SHL_LOAD)
+ handle = shl_load( psz_file, BIND_IMMEDIATE | BIND_NONFATAL, NULL );
+ if( handle == NULL )
+ {
+ msg_Warn( p_this, "cannot load module `%s' (%m)", psz_file );
+ return -1;
+ }
+
+#else
+# error "Something is wrong in modules.c"
+
+#endif
+
+ *p_handle = handle;
+ return 0;
+}
+
+/*****************************************************************************
+ * CloseModule: unload a dynamic library
+ *****************************************************************************
+ * This function unloads a previously opened dynamically linked library
+ * using a system dependant method. No return value is taken in consideration,
+ * since some libraries sometimes refuse to close properly.
+ *****************************************************************************/
+void module_Unload( module_handle_t handle )
+{
+#if defined(HAVE_DL_DYLD)
+ NSUnLinkModule( handle, FALSE );
+
+#elif defined(HAVE_DL_BEOS)
+ unload_add_on( handle );
+
+#elif defined(HAVE_DL_WINDOWS)
+ FreeLibrary( handle );
+
+#elif defined(HAVE_DL_DLOPEN)
+# ifdef NDEBUG
+ dlclose( handle );
+# endif
+
+#elif defined(HAVE_DL_SHL_LOAD)
+ shl_unload( handle );
+
+#endif
+ return;
+}
+
+/*****************************************************************************
+ * GetSymbol: get a symbol from a dynamic library
+ *****************************************************************************
+ * This function queries a loaded library for a symbol specified in a
+ * string, and returns a pointer to it. We don't check for dlerror() or
+ * similar functions, since we want a non-NULL symbol anyway.
+ *****************************************************************************/
+static void * _module_getsymbol( module_handle_t, const char * );
+
+static void * GetSymbol( module_handle_t handle, const char * psz_function )
+{
+ void * p_symbol = _module_getsymbol( handle, psz_function );
+
+ /* MacOS X dl library expects symbols to begin with "_". So do
+ * some other operating systems. That's really lame, but hey, what
+ * can we do ? */
+ if( p_symbol == NULL )
+ {
+ char psz_call[strlen( psz_function ) + 2];
+
+ psz_call[ 0 ] = '_';
+ memcpy( psz_call + 1, psz_function, sizeof (psz_call) - 1 );
+ p_symbol = _module_getsymbol( handle, psz_call );
+ }
+
+ return p_symbol;
+}
+
+static void * _module_getsymbol( module_handle_t handle,
+ const char * psz_function )
+{
+#if defined(HAVE_DL_DYLD)
+ NSSymbol sym = NSLookupSymbolInModule( handle, psz_function );
+ return NSAddressOfSymbol( sym );
+
+#elif defined(HAVE_DL_BEOS)
+ void * p_symbol;
+ if( B_OK == get_image_symbol( handle, psz_function,
+ B_SYMBOL_TYPE_TEXT, &p_symbol ) )
+ {
+ return p_symbol;
+ }
+ else
+ {
+ return NULL;
+ }
+
+#elif defined(HAVE_DL_WINDOWS) && defined(UNDER_CE)
+ wchar_t psz_real[256];
+ MultiByteToWideChar( CP_ACP, 0, psz_function, -1, psz_real, 256 );
+
+ return (void *)GetProcAddress( handle, psz_real );
+
+#elif defined(HAVE_DL_WINDOWS) && defined(WIN32)
+ return (void *)GetProcAddress( handle, (char *)psz_function );
+
+#elif defined(HAVE_DL_DLOPEN)
+ return dlsym( handle, psz_function );
+
+#elif defined(HAVE_DL_SHL_LOAD)
+ void *p_sym;
+ shl_findsym( &handle, psz_function, TYPE_UNDEFINED, &p_sym );
+ return p_sym;
+
+#endif
+}
+
+#if defined(HAVE_DL_WINDOWS)
+static char * GetWindowsError( void )
+{
+#if defined(UNDER_CE)
+ wchar_t psz_tmp[MAX_PATH];
+ char * psz_buffer = malloc( MAX_PATH );
+#else
+ char * psz_tmp = malloc( MAX_PATH );
+#endif
+ int i = 0, i_error = GetLastError();
+
+ FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL, i_error, MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
+ (LPTSTR)psz_tmp, MAX_PATH, NULL );
+
+ /* Go to the end of the string */
+ while( psz_tmp[i] && psz_tmp[i] != _T('\r') && psz_tmp[i] != _T('\n') )
+ {
+ i++;
+ }
+
+ if( psz_tmp[i] )
+ {
+#if defined(UNDER_CE)
+ swprintf( psz_tmp + i, L" (error %i)", i_error );
+ psz_tmp[ 255 ] = L'\0';
+#else
+ snprintf( psz_tmp + i, 256 - i, " (error %i)", i_error );
+ psz_tmp[ 255 ] = '\0';
+#endif
+ }
+
+#if defined(UNDER_CE)
+ wcstombs( psz_buffer, psz_tmp, MAX_PATH );
+ return psz_buffer;
+#else
+ return psz_tmp;
+#endif
+}
+#endif /* HAVE_DL_WINDOWS */
+#endif /* HAVE_DYNAMIC_PLUGINS */
projects / vlc / commitdiff