Fixed vlc_meta_Merge.

The extra_tags values were not duplicated.

include/vlc_meta.h

@@ -94,28 +94,28 @@ struct vlc_meta_t
 #define vlc_meta_SetTrackID( meta, b )     vlc_meta_Set( meta, vlc_meta_TrackID, b )
 
 /* Free a dictonary key allocated by strdup() in vlc_meta_AddExtra() */
-static void vlc_meta_FreeExtraKey( void * p_data, void * p_obj )
+static inline void vlc_meta_FreeExtraKey( void *p_data, void *p_obj )
 {
     VLC_UNUSED( p_obj );
     free( p_data );
 }
 
-
-static inline void vlc_meta_Set( vlc_meta_t * p_meta, vlc_meta_type_t meta_type, const char * psz_val )
+static inline void vlc_meta_Set( vlc_meta_t *p_meta, vlc_meta_type_t meta_type, const char *psz_val )
 {
     free( p_meta->ppsz_meta[meta_type] );
     p_meta->ppsz_meta[meta_type] = psz_val ? strdup( psz_val ) : NULL;
 }
 
-static inline const char * vlc_meta_Get( const vlc_meta_t * p_meta, vlc_meta_type_t meta_type )
+static inline const char *vlc_meta_Get( const vlc_meta_t *p_meta, vlc_meta_type_t meta_type )
 {
     return p_meta->ppsz_meta[meta_type];
 }
 
 static inline vlc_meta_t *vlc_meta_New( void )
 {
-    vlc_meta_t *m = (vlc_meta_t*)malloc( sizeof( vlc_meta_t ) );
-    if( !m ) return NULL;
+    vlc_meta_t *m = (vlc_meta_t*)malloc( sizeof(*m) );
+    if( !m )
+        return NULL;
     memset( m->ppsz_meta, 0, sizeof(m->ppsz_meta) );
     m->i_status = 0;
     vlc_dictionary_init( &m->extra_tags, 0 );
@@ -127,28 +127,29 @@ static inline void vlc_meta_Delete( vlc_meta_t *m )
     int i;
     for( i = 0; i < VLC_META_TYPE_COUNT ; i++ )
         free( m->ppsz_meta[i] );
-    vlc_dictionary_clear( &m->extra_tags, &vlc_meta_FreeExtraKey, NULL );
+    vlc_dictionary_clear( &m->extra_tags, vlc_meta_FreeExtraKey, NULL );
     free( m );
 }
 
 static inline void vlc_meta_AddExtra( vlc_meta_t *m, const char *psz_name, const char *psz_value )
 {
-    char * psz_oldvalue = (char *)vlc_dictionary_value_for_key( &m->extra_tags, psz_name );
+    char *psz_oldvalue = (char *)vlc_dictionary_value_for_key( &m->extra_tags, psz_name );
     if( psz_oldvalue != kVLCDictionaryNotFound )
     {
         free( psz_oldvalue );
         vlc_dictionary_remove_value_for_key( &m->extra_tags, psz_name,
-                                             &vlc_meta_FreeExtraKey, NULL );
+                                             vlc_meta_FreeExtraKey, NULL );
     }
     vlc_dictionary_insert( &m->extra_tags, psz_name, strdup(psz_value) );
 }
 
 static inline void vlc_meta_Merge( vlc_meta_t *dst, const vlc_meta_t *src )
 {
-    char ** ppsz_all_keys;
+    char **ppsz_all_keys;
     int i;
 
-    if( !dst || !src ) return;
+    if( !dst || !src )
+        return;
 
     for( i = 0; i < VLC_META_TYPE_COUNT; i++ )
     {
@@ -161,12 +162,13 @@ static inline void vlc_meta_Merge( vlc_meta_t *dst, const vlc_meta_t *src )
 
     /* XXX: If speed up are needed, it is possible */
     ppsz_all_keys = vlc_dictionary_all_keys( &src->extra_tags );
-    for( i = 0; ppsz_all_keys[i]; i++ )
+    for( i = 0; ppsz_all_keys && ppsz_all_keys[i]; i++ )
     {
         /* Always try to remove the previous value */
-        vlc_dictionary_remove_value_for_key( &dst->extra_tags, ppsz_all_keys[i], NULL, NULL );
-        void * p_value = vlc_dictionary_value_for_key( &src->extra_tags, ppsz_all_keys[i] );
-        vlc_dictionary_insert( &dst->extra_tags, ppsz_all_keys[i], p_value );
+        vlc_dictionary_remove_value_for_key( &dst->extra_tags, ppsz_all_keys[i], vlc_meta_FreeExtraKey, NULL );
+
+        void *p_value = vlc_dictionary_value_for_key( &src->extra_tags, ppsz_all_keys[i] );
+        vlc_dictionary_insert( &dst->extra_tags, ppsz_all_keys[i], strdup( (const char*)p_value ) );
         free( ppsz_all_keys[i] );
     }
     free( ppsz_all_keys );