fix signed/unsigned error

2023-03-02 05:29:33 -08:00 · 2023-03-02 05:29:33 -08:00 · 982d6a995a
parent 28599eb2bb
commit 982d6a995a
1 changed files with 1 additions and 1 deletions
--- a/plugins/buildingplan/buildingplan.cpp
+++ b/plugins/buildingplan/buildingplan.cpp
@ -765,7 +765,7 @@ static int getQualityFilter(lua_State *L) {
            type, subtype, custom, index);
    BuildingTypeKey key(type, subtype, custom);
    auto &filters = get_item_filters(*out, key).getItemFilters();
-    if (filters.size() <= index)
+    if (index < 0 || filters.size() <= (size_t)index)
        return 0;
    auto &filter = filters[index];
    map<string, int> ret;