diff options
Diffstat (limited to 'clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp')
-rw-r--r-- | clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp index 30a0497..68efdba 100644 --- a/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp @@ -1281,7 +1281,7 @@ SVal MallocChecker::evalMulForBufferSize(CheckerContext &C, const Expr *Blocks, SVal BlockBytesVal = C.getSVal(BlockBytes); ProgramStateRef State = C.getState(); SVal TotalSize = SB.evalBinOp(State, BO_Mul, BlocksVal, BlockBytesVal, - SB.getContext().getSizeType()); + SB.getContext().getCanonicalSizeType()); return TotalSize; } @@ -1311,11 +1311,9 @@ static bool isStandardRealloc(const CallEvent &Call) { const FunctionDecl *FD = dyn_cast<FunctionDecl>(Call.getDecl()); assert(FD); ASTContext &AC = FD->getASTContext(); - - return FD->getDeclaredReturnType().getDesugaredType(AC) == AC.VoidPtrTy && - FD->getParamDecl(0)->getType().getDesugaredType(AC) == AC.VoidPtrTy && - FD->getParamDecl(1)->getType().getDesugaredType(AC) == - AC.getSizeType(); + return AC.hasSameType(FD->getDeclaredReturnType(), AC.VoidPtrTy) && + AC.hasSameType(FD->getParamDecl(0)->getType(), AC.VoidPtrTy) && + AC.hasSameType(FD->getParamDecl(1)->getType(), AC.getSizeType()); } static bool isGRealloc(const CallEvent &Call) { @@ -1323,10 +1321,9 @@ static bool isGRealloc(const CallEvent &Call) { assert(FD); ASTContext &AC = FD->getASTContext(); - return FD->getDeclaredReturnType().getDesugaredType(AC) == AC.VoidPtrTy && - FD->getParamDecl(0)->getType().getDesugaredType(AC) == AC.VoidPtrTy && - FD->getParamDecl(1)->getType().getDesugaredType(AC) == - AC.UnsignedLongTy; + return AC.hasSameType(FD->getDeclaredReturnType(), AC.VoidPtrTy) && + AC.hasSameType(FD->getParamDecl(0)->getType(), AC.VoidPtrTy) && + AC.hasSameType(FD->getParamDecl(1)->getType(), AC.UnsignedLongTy); } void MallocChecker::checkRealloc(ProgramStateRef State, const CallEvent &Call, @@ -2830,10 +2827,10 @@ MallocChecker::ReallocMemAux(CheckerContext &C, const CallEvent &Call, return nullptr; // Compare the size argument to 0. - DefinedOrUnknownSVal SizeZero = - svalBuilder.evalEQ(State, TotalSize.castAs<DefinedOrUnknownSVal>(), - svalBuilder.makeIntValWithWidth( - svalBuilder.getContext().getSizeType(), 0)); + DefinedOrUnknownSVal SizeZero = svalBuilder.evalEQ( + State, TotalSize.castAs<DefinedOrUnknownSVal>(), + svalBuilder.makeIntValWithWidth( + svalBuilder.getContext().getCanonicalSizeType(), 0)); ProgramStateRef StatePtrIsNull, StatePtrNotNull; std::tie(StatePtrIsNull, StatePtrNotNull) = State->assume(PtrEQ); |