From c893958bb1a7b6ef08b15914e081ba3df5153693 Mon Sep 17 00:00:00 2001
From: MetaDucky <metaducky AT gmail DOT com>
Date: Sun, 26 May 2013 12:06:35 +0200
Subject: [PATCH] Fix some nullptr exceptions when handling invalid node
inventories
---
src/script/lua_api/l_inventory.cpp | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/src/script/lua_api/l_inventory.cpp b/src/script/lua_api/l_inventory.cpp
index 1404c3c8a..f57a4e8cd 100644
--- a/src/script/lua_api/l_inventory.cpp
+++ b/src/script/lua_api/l_inventory.cpp
@@ -121,6 +121,9 @@ int InvRef::l_set_size(lua_State *L)
const char *listname = luaL_checkstring(L, 2);
int newsize = luaL_checknumber(L, 3);
Inventory *inv = getinv(L, ref);
+ if(inv == NULL){
+ return 0;
+ }
if(newsize == 0){
inv->deleteList(listname);
reportInventoryChange(L, ref);
@@ -144,6 +147,9 @@ int InvRef::l_set_width(lua_State *L)
const char *listname = luaL_checkstring(L, 2);
int newwidth = luaL_checknumber(L, 3);
Inventory *inv = getinv(L, ref);
+ if(inv == NULL){
+ return 0;
+ }
InventoryList *list = inv->getList(listname);
if(list){
list->setWidth(newwidth);
@@ -195,7 +201,11 @@ int InvRef::l_get_list(lua_State *L)
InvRef *ref = checkobject(L, 1);
const char *listname = luaL_checkstring(L, 2);
Inventory *inv = getinv(L, ref);
- push_inventory_list(inv, listname, L);
+ if(inv){
+ push_inventory_list(inv, listname, L);
+ } else {
+ lua_pushnil(L);
+ }
return 1;
}
@@ -206,6 +216,9 @@ int InvRef::l_set_list(lua_State *L)
InvRef *ref = checkobject(L, 1);
const char *listname = luaL_checkstring(L, 2);
Inventory *inv = getinv(L, ref);
+ if(inv == NULL){
+ return 0;
+ }
InventoryList *list = inv->getList(listname);
if(list)
read_inventory_list(inv, listname, L, 3,
--
GitLab