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-rw-r--r--contrib/llvm/tools/clang/lib/Checker/CastToStructChecker.cpp78
1 files changed, 0 insertions, 78 deletions
diff --git a/contrib/llvm/tools/clang/lib/Checker/CastToStructChecker.cpp b/contrib/llvm/tools/clang/lib/Checker/CastToStructChecker.cpp
deleted file mode 100644
index eeaed97..0000000
--- a/contrib/llvm/tools/clang/lib/Checker/CastToStructChecker.cpp
+++ /dev/null
@@ -1,78 +0,0 @@
-//=== CastToStructChecker.cpp - Fixed address usage checker ----*- C++ -*--===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This files defines CastToStructChecker, a builtin checker that checks for
-// cast from non-struct pointer to struct pointer.
-// This check corresponds to CWE-588.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Checker/BugReporter/BugType.h"
-#include "clang/Checker/PathSensitive/CheckerVisitor.h"
-#include "GRExprEngineInternalChecks.h"
-
-using namespace clang;
-
-namespace {
-class CastToStructChecker
- : public CheckerVisitor<CastToStructChecker> {
- BuiltinBug *BT;
-public:
- CastToStructChecker() : BT(0) {}
- static void *getTag();
- void PreVisitCastExpr(CheckerContext &C, const CastExpr *B);
-};
-}
-
-void *CastToStructChecker::getTag() {
- static int x;
- return &x;
-}
-
-void CastToStructChecker::PreVisitCastExpr(CheckerContext &C,
- const CastExpr *CE) {
- const Expr *E = CE->getSubExpr();
- ASTContext &Ctx = C.getASTContext();
- QualType OrigTy = Ctx.getCanonicalType(E->getType());
- QualType ToTy = Ctx.getCanonicalType(CE->getType());
-
- PointerType *OrigPTy = dyn_cast<PointerType>(OrigTy.getTypePtr());
- PointerType *ToPTy = dyn_cast<PointerType>(ToTy.getTypePtr());
-
- if (!ToPTy || !OrigPTy)
- return;
-
- QualType OrigPointeeTy = OrigPTy->getPointeeType();
- QualType ToPointeeTy = ToPTy->getPointeeType();
-
- if (!ToPointeeTy->isStructureOrClassType())
- return;
-
- // We allow cast from void*.
- if (OrigPointeeTy->isVoidType())
- return;
-
- // Now the cast-to-type is struct pointer, the original type is not void*.
- if (!OrigPointeeTy->isRecordType()) {
- if (ExplodedNode *N = C.GenerateNode()) {
- if (!BT)
- BT = new BuiltinBug("Cast from non-struct type to struct type",
- "Casting a non-structure type to a structure type "
- "and accessing a field can lead to memory access "
- "errors or data corruption.");
- RangedBugReport *R = new RangedBugReport(*BT,BT->getDescription(), N);
- R->addRange(CE->getSourceRange());
- C.EmitReport(R);
- }
- }
-}
-
-void clang::RegisterCastToStructChecker(GRExprEngine &Eng) {
- Eng.registerCheck(new CastToStructChecker());
-}
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