Fixes crash

mkoppanen · mkoppanen · commit 4ee38195289e · 2016-03-05T18:22:05.000Z
diff --git a/php_memcached.c b/php_memcached.c
@@ -1339,6 +1339,11 @@ static
 void s_clear_keys(php_memc_keys_t *keys)
 {
 	size_t i;
+
+	if (!keys->num_valid_keys) {
+		return;
+	}
+
 	for (i = 0; i < keys->num_valid_keys; i++) {
 		zend_string_release (keys->strings[i]);
 	}

Original file line number	Diff line number	Diff line change
`@@ -1339,6 +1339,11 @@ static`
`1339`	`1339`	`void s_clear_keys(php_memc_keys_t *keys)`
`1340`	`1340`	`{`
`1341`	`1341`	`size_t i;`
	`1342`	`+`
	`1343`	`+ if (!keys->num_valid_keys) {`
	`1344`	`+ return;`
	`1345`	`+ }`
	`1346`	`+`
`1342`	`1347`	`for (i = 0; i < keys->num_valid_keys; i++) {`
`1343`	`1348`	`zend_string_release (keys->strings[i]);`
`1344`	`1349`	`}`