From d9406b0e5940d2e18c72ed10a45658caf5c508cd Mon Sep 17 00:00:00 2001
From: kaelima <kaelima@live.se>
Date: Mon, 31 Oct 2011 00:02:32 +0100
Subject: Core/Commands: Add stupid-check for trying to add negative itemID to
 vendor. Fixes crash #3238

---
 src/server/scripts/Commands/cs_npc.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/server/scripts/Commands/cs_npc.cpp b/src/server/scripts/Commands/cs_npc.cpp
index 0fecfa83221..3e799e70511 100644
--- a/src/server/scripts/Commands/cs_npc.cpp
+++ b/src/server/scripts/Commands/cs_npc.cpp
@@ -168,7 +168,11 @@ public:
             return false;
         }
 
-        uint32 itemId = atol(pitem);
+        int32 item_int = atol(pitem);
+        if (item_int <= 0)
+            return true;
+
+        uint32 itemId = item_int;
 
         char* fmaxcount = strtok(NULL, " ");                    //add maxcount, default: 0
         uint32 maxcount = 0;
-- 
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