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GHashTable: Small optimization of remove-all

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Don't enter the loop if we are not going to notify anyway.
Pointed out in bug 646013.
This commit is contained in:
Matthias Clasen 2011-04-27 00:03:59 -04:00
parent fc7403b675
commit d3b80c49ea
1 changed files with 15 additions and 9 deletions
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12
glib/ghash.c
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@ -479,22 +479,28 @@ g_hash_table_remove_all_nodes (GHashTable *hash_table,
{
int i;
if (notify &&
(hash_table->key_destroy_func != NULL ||
hash_table->value_destroy_func != NULL))
{
for (i = 0; i < hash_table->size; i++)
{
GHashNode *node = &hash_table->nodes [i];
if (node->key_hash > 1)
{
if (notify && hash_table->key_destroy_func)
if (hash_table->key_destroy_func != NULL)
hash_table->key_destroy_func (node->key);
if (notify && hash_table->value_destroy_func)
if (hash_table->value_destroy_func != NULL)
hash_table->value_destroy_func (node->value);
}
}
}
/* We need to set node->key_hash = 0 for all nodes - might as well be GC
* friendly and clear everything */
* friendly and clear everything
*/
memset (hash_table->nodes, 0, hash_table->size * sizeof (GHashNode));
hash_table->nnodes = 0;