Fixed bug #50240 (pdo_mysql.default_socket in php.ini shouldn't used if it is empty).

diff --git a/ext/pdo_mysql/pdo_mysql.c b/ext/pdo_mysql/pdo_mysql.c
index a6b0cc5bbcdb8e34ec330a9d7c866dc722d11a5d..f2bc295747817e4f3100018e03ef8e5972ac6aca 100755 (executable)
--- a/ext/pdo_mysql/pdo_mysql.c
+++ b/ext/pdo_mysql/pdo_mysql.c
@@ -52,7 +52,7 @@ ZEND_DECLARE_MODULE_GLOBALS(pdo_mysql);
 */
 PHP_INI_BEGIN()
 #ifndef PHP_WIN32
-       STD_PHP_INI_ENTRY("pdo_mysql.default_socket", PDO_MYSQL_UNIX_ADDR, PHP_INI_SYSTEM, OnUpdateString, default_socket, zend_pdo_mysql_globals, pdo_mysql_globals)
+       STD_PHP_INI_ENTRY("pdo_mysql.default_socket", PDO_MYSQL_UNIX_ADDR, PHP_INI_SYSTEM, OnUpdateStringUnempty, default_socket, zend_pdo_mysql_globals, pdo_mysql_globals)
 #endif
 #if PDO_DBG_ENABLED
        STD_PHP_INI_ENTRY("pdo_mysql.debug",    NULL, PHP_INI_SYSTEM, OnUpdateString, debug, zend_pdo_mysql_globals, pdo_mysql_globals)