slapd/slapi/slapi_ext.c

44  * Object extensions
46  * We only support two types -- connection and operation extensions.
58 	} extensions[SLAPI_X_EXT_MAX];
63 	void **extensions;
109 	assert( extensionhandle < registered_extensions.extensions[objecttype].count );
111 	assert( registered_extensions.extensions[objecttype].constructors != NULL );
112 	constructor = registered_extensions.extensions[objecttype].constructors[extensionhandle];
114 	assert( eblock->extensions[extensionhandle] == NULL );
117 		eblock->extensions[extensionhandle] = (*constructor)( object, parent );
119 		eblock->extensions[extensionhandle] = NULL;
128 	assert( extensionhandle < registered_extensions.extensions[objecttype].count );
130 	if ( eblock->extensions[extensionhandle] != NULL ) {
131 		assert( registered_extensions.extensions[objecttype].destructors != NULL );
132 		destructor = registered_extensions.extensions[objecttype].destructors[extensionhandle];
134 			(*destructor)( eblock->extensions[extensionhandle], object, parent );
136 		eblock->extensions[extensionhandle] = NULL;
149 	if ( extensionhandle < registered_extensions.extensions[objecttype].count ) {
150 		return eblock->extensions[extensionhandle];
165 	if ( extensionhandle < registered_extensions.extensions[objecttype].count ) {
170 		eblock->extensions[extensionhandle] = extension;
196 	re = &registered_extensions.extensions[*objecttype];
201 		/* can't add new extensions after objects have been created */
255 	if ( registered_extensions.extensions[objecttype].active == 0 ) {
257 		 * once we've created some extensions, no new extensions can
260 		registered_extensions.extensions[objecttype].active = 1;
266 	if ( registered_extensions.extensions[objecttype].count ) {
267 		eblock->extensions = (void **)slapi_ch_calloc( registered_extensions.extensions[objecttype].count, sizeof(void *) );
268 		for ( i = 0; i < registered_extensions.extensions[objecttype].count; i++ ) {
272 		eblock->extensions = NULL;
303 	if ( eblock != NULL && eblock->extensions != NULL ) {
304 		for ( i = registered_extensions.extensions[objecttype].count - 1; i >= 0; --i ) {
308 		slapi_ch_free( (void **)&eblock->extensions );
327 	if ( eblock->extensions == NULL ) {
328 		/* no extensions */
332 	for ( i = registered_extensions.extensions[objecttype].count - 1; i >= 0; --i ) {
336 	for ( i = 0; i < registered_extensions.extensions[objecttype].count; i++ ) {