add safeguard for UpdateIniFromRegistry on NULL arg

diff --git a/win32/registry.c b/win32/registry.c
index d5f84af59546ef3243ea9e702eb80085d77e9c3b..77089ba6a72f237b6a5fb59267ce46eba789e26e 100644 (file)
--- a/win32/registry.c
+++ b/win32/registry.c
@@ -168,6 +168,10 @@ void UpdateIniFromRegistry(char *path TSRMLS_DC)
        int path_len;
        HashTable **pht;
 
+       if(!path) {
+               return;
+       }
+
        if (!PW32G(registry_directories)) {
                PW32G(registry_directories) = (HashTable*)malloc(sizeof(HashTable));
                zend_hash_init(PW32G(registry_directories), 0, NULL, delete_internal_hashtable, 1);