From c0bedb5036c4b18e49fd55caff0515d3e276c814 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Marjam=C3=A4ki?= <danielm77@spray.se>
Date: Sun, 19 Dec 2010 21:27:28 +0100
Subject: [PATCH] Fixed #2331 (Token::Match is called with varid 0)

---
 lib/checknullpointer.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/checknullpointer.cpp b/lib/checknullpointer.cpp
index 88a6d8a29..6b2d0be39 100644
--- a/lib/checknullpointer.cpp
+++ b/lib/checknullpointer.cpp
@@ -318,6 +318,8 @@ void CheckNullPointer::nullPointerStructByDeRefAndChec()
             // Is the function return value taken by the pointer?
             bool assignment = false;
             const unsigned int varid1(tok1->varId());
+            if (varid1 == 0)
+                continue;
             const Token *tok2 = tok1->previous();
             while (tok2 && !Token::Match(tok2, "[;{}]"))
             {