/**
* librdf_free_uri:
* @uri: #librdf_uri object
*
* Destructor - destroy a #librdf_uri object.
*
**/
void
librdf_free_uri(librdf_uri* uri)
{
#ifdef LIBRDF_USE_RAPTOR_URI
if(!uri)
return;
raptor_free_uri(uri);
#else
librdf_hash_datum key; /* on stack */
#ifdef WITH_THREADS
librdf_world *world;
#endif
if(!uri)
return;
#ifdef WITH_THREADS
world = uri->world;
pthread_mutex_lock(world->mutex);
#endif
uri->usage--;
#if defined(LIBRDF_DEBUG) && LIBRDF_DEBUG > 1
LIBRDF_DEBUG3("URI %s usage count now %d\n", uri->string, uri->usage);
#endif
/* decrement usage, don't free if not 0 yet*/
if(uri->usage) {
#ifdef WITH_THREADS
pthread_mutex_unlock(world->mutex);
#endif
return;
}
#if defined(LIBRDF_DEBUG) && LIBRDF_DEBUG > 1
LIBRDF_DEBUG3("Deleting URI %s from hash, max usage was %d\n", uri->string, uri->max_usage);
#endif
key.data=uri->string;
key.size=uri->string_length;
/* Hash deletion fails only if the key is not found.
This is not a fatal error so do not check for return value. */
librdf_hash_delete_all(uri->world->uris_hash, &key);
if(uri->string)
LIBRDF_FREE(cstring, uri->string);
LIBRDF_FREE(librdf_uri, uri);
#ifdef WITH_THREADS
pthread_mutex_unlock(world->mutex);
#endif
#endif /* !LIBRDF_USE_RAPTOR_URI */
}
static int delete_key_value (librdf_world *world, librdf_hash *h, const char* key, const char* value, librdf_hash_datum *hd_key, librdf_hash_datum *hd_value) {
int ret = -1;
/* Delete key value */
hd_key->data=(char*)key;
hd_key->size=strlen((char*)hd_key->data);
if (value != NULL && hd_value != NULL) {
hd_value->data=(char*)value;
hd_value->size=strlen((char*)hd_value->data);
ret = librdf_hash_delete(h, hd_key, hd_value);
}
else {
/* delete all keys */
ret = librdf_hash_delete_all(h, hd_key);
}
return ret;
}