From ea266cad53e3d49771fa38103913d3ec7a166694 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Mon, 10 Jun 2013 20:45:12 +0000
Subject: Vendor import of clang tags/RELEASE_33/final r183502 (effectively,
 3.3 release):
 http://llvm.org/svn/llvm-project/cfe/tags/RELEASE_33/final@183502

---
 lib/StaticAnalyzer/Checkers/CStringSyntaxChecker.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'lib/StaticAnalyzer/Checkers/CStringSyntaxChecker.cpp')

diff --git a/lib/StaticAnalyzer/Checkers/CStringSyntaxChecker.cpp b/lib/StaticAnalyzer/Checkers/CStringSyntaxChecker.cpp
index 3a57a56..92c0eef 100644
--- a/lib/StaticAnalyzer/Checkers/CStringSyntaxChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/CStringSyntaxChecker.cpp
@@ -101,6 +101,8 @@ public:
 //   - strncat(dst, src, sizeof(dst) - 1);
 //   - strncat(dst, src, sizeof(dst));
 bool WalkAST::containsBadStrncatPattern(const CallExpr *CE) {
+  if (CE->getNumArgs() != 3)
+    return false;
   const Expr *DstArg = CE->getArg(0);
   const Expr *SrcArg = CE->getArg(1);
   const Expr *LenArg = CE->getArg(2);
-- 
cgit v1.1