slapd/slapi/slapi_ext.c

66 static int get_extension_block(int objecttype, void *object, struct slapi_extension_block **eblock, void **parent)
70 		*eblock = ((Connection *)object)->c_extensions;
74 		*eblock = ((Operation *)object)->o_hdr->oh_extensions;
82 	if ( *eblock == NULL ) {
102 static void new_extension(struct slapi_extension_block *eblock,
114 	assert( eblock->extensions[extensionhandle] == NULL );
117 		eblock->extensions[extensionhandle] = (*constructor)( object, parent );
119 		eblock->extensions[extensionhandle] = NULL;
123 static void free_extension(struct slapi_extension_block *eblock, int objecttype, void *object, void *parent, int extensionhandle )
130 	if ( eblock->extensions[extensionhandle] != NULL ) {
134 			(*destructor)( eblock->extensions[extensionhandle], object, parent );
136 		eblock->extensions[extensionhandle] = NULL;
142 	struct slapi_extension_block *eblock;
145 	if ( get_extension_block( objecttype, object, &eblock, &parent ) != 0 ) {
150 		return eblock->extensions[extensionhandle];
158 	struct slapi_extension_block *eblock;
161 	if ( get_extension_block( objecttype, object, &eblock, &parent ) != 0 ) {
167 		free_extension( eblock, objecttype, object, parent, extensionhandle );
170 		eblock->extensions[extensionhandle] = extension;
234 	struct slapi_extension_block *eblock;
264 	eblock = (struct slapi_extension_block *)slapi_ch_calloc( 1, sizeof(*eblock) );
267 		eblock->extensions = (void **)slapi_ch_calloc( registered_extensions.extensions[objecttype].count, sizeof(void *) );
269 			new_extension( eblock, objecttype, object, parent, i );
272 		eblock->extensions = NULL;
275 	*peblock = eblock;
283 	struct slapi_extension_block *eblock;
301 	eblock = (struct slapi_extension_block *)*peblock;
303 	if ( eblock != NULL && eblock->extensions != NULL ) {
305 			free_extension( eblock, objecttype, object, parent, i );
308 		slapi_ch_free( (void **)&eblock->extensions );
320 	struct slapi_extension_block *eblock;
323 	if ( get_extension_block( objecttype, object, &eblock, &parent ) != 0 ) {
327 	if ( eblock->extensions == NULL ) {
333 		free_extension( eblock, objecttype, object, parent, i );
337 		new_extension( eblock, objecttype, object, parent, i );