/**
* This is for internal use
*
* @see tfree
*/
static void __tfree ( void** mem ) {
if ( !mem ) return;
__tfree( mem[0] );
__tfree( mem[1] );
free( mem );
}
/**
* Deallocate all the descendants of parent(mem) recursively.
*
* @param mem pointer to previously talloc'ed memory chunk.
*/
static void __tfree(void *mem) {
if (!mem)
return;
/* Fail if the tree hierarchy has cycles. */
assert(prev(mem));
prev(mem) = NULL;
__tfree(child(mem));
__tfree(next(mem));
free(usr2raw(mem));
}
/**
* Deallocate a talloc'ed memory chunk and all the chunks depending on it.
*
* @param mem pointer to previously talloc'ed memory chunk.
*
* @return always NULL, can be safely ignored.
*/
void *tfree(void *mem) {
if (!mem)
return NULL;
talloc_set_parent(mem, NULL);
__tfree(child(mem));
free(usr2raw(mem));
return NULL;
}
/**
* Free memory
*
* @param mem pointer to previously talloc'ed memory
*/
void tfree ( void* mem ) {
if ( !mem ) return;
if (mutex == NULL) {
init_mutex();
}
pthread_mutex_lock(mutex);
talloc_set_parent( mem, NULL );
__tfree( ((void**)mem)[-3] );
free( (void**)mem - 3 );
pthread_mutex_unlock(mutex);
}