Function dfhack_persistent_save_data_string

library/LuaApi.cpp:309–326

typedef PersistentDataItem (*raw_get_data_fn)(const string &, bool);

static int dfhack_persistent_save_data_string(lua_State *L, raw_get_data_fn get_data) {
    CoreSuspender suspend;

    const char *key = lua_tostring(L, 1);
    if (!key)
        luaL_argerror(L, 1, "no key specified");
    const char *str = lua_tostring(L, 2);
    if (!str)
        luaL_argerror(L, 2, "no data string specified");

    PersistentDataItem data = get_data(key, true);
    if (!data.isValid())
        luaL_error(L, "unable to save data in key '%s'", key);

    data.val() = str;

    return 0;
}

static int delete_site_data(lua_State *L, get_data_fn get_data) {
    CoreSuspender suspend;