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authorDimitry Andric <dim@FreeBSD.org>2013-06-10 20:45:12 +0000
committerDimitry Andric <dim@FreeBSD.org>2013-06-10 20:45:12 +0000
commit6a0372513edbc473b538d2f724efac50405d6fef (patch)
tree8f7776b7310bebaf415ac5b69e46e9f928c37144 /lib/StaticAnalyzer/Checkers/CStringSyntaxChecker.cpp
parent809500fc2c13c8173a16b052304d983864e4a1e1 (diff)
Notes
Diffstat (limited to 'lib/StaticAnalyzer/Checkers/CStringSyntaxChecker.cpp')
-rw-r--r--lib/StaticAnalyzer/Checkers/CStringSyntaxChecker.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/StaticAnalyzer/Checkers/CStringSyntaxChecker.cpp b/lib/StaticAnalyzer/Checkers/CStringSyntaxChecker.cpp
index 3a57a56aea6e..92c0eef3e880 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);