[PATCH v2 2/6] Add functions to ease using Lua iterators from C

[Alexander Turenko]

Updated a bit:

diff --git a/src/lua/utils.c b/src/lua/utils.c
index 173d59a59..c8cfa70b3 100644
--- a/src/lua/utils.c
+++ b/src/lua/utils.c
@@ -981,6 +981,11 @@ struct luaL_iterator *
 luaL_iterator_new(lua_State *L, int idx)
 {
 	struct luaL_iterator *it = malloc(sizeof(struct luaL_iterator));
+	if (it == NULL) {
+		diag_set(OutOfMemory, sizeof(struct luaL_iterator),
+			 "malloc", "luaL_iterator");
+		return NULL;
+	}
 
 	if (idx == 0) {
 		/* gen, param, state are on top of a Lua stack. */