backport the line from trunk and fix uninitialized variables

diff --git a/ext/mbstring/oniguruma/regparse.c b/ext/mbstring/oniguruma/regparse.c
index af5c8593e6ea08be6c22e35991da7606723d144a..abf2cc1cb5a8d80e5f66e922b2983afb1b13854a 100644 (file)
--- a/ext/mbstring/oniguruma/regparse.c
+++ b/ext/mbstring/oniguruma/regparse.c
@@ -4980,6 +4980,7 @@ parse_exp(Node** np, OnigToken* tok, int term,
 
             CCLASS_SET_SHARE(&(NCCLASS(*np)));
             new_key = (type_cclass_key* )xmalloc(sizeof(type_cclass_key));
+            xmemcpy(new_key, &key, sizeof(type_cclass_key));
             onig_st_add_direct(OnigTypeCClassTable, (st_data_t )new_key,
                                (st_data_t )*np);