diff options
Diffstat (limited to 'lib/Checker/Store.cpp')
| -rw-r--r-- | lib/Checker/Store.cpp | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/lib/Checker/Store.cpp b/lib/Checker/Store.cpp index e524cb3..c12065b 100644 --- a/lib/Checker/Store.cpp +++ b/lib/Checker/Store.cpp @@ -38,6 +38,13 @@ static bool IsCompleteType(ASTContext &Ctx, QualType Ty) { return true; } +const ElementRegion *StoreManager::GetElementZeroRegion(const MemRegion *R, + QualType T) { + SVal idx = ValMgr.makeZeroArrayIndex(); + assert(!T.isNull()); + return MRMgr.getElementRegion(T, idx, R, Ctx); +} + const MemRegion *StoreManager::CastRegion(const MemRegion *R, QualType CastToTy) { ASTContext& Ctx = StateMgr.getContext(); @@ -170,13 +177,14 @@ const MemRegion *StoreManager::CastRegion(const MemRegion *R, QualType CastToTy) if (IsCompleteType(Ctx, PointeeTy)) { // Compute the size in **bytes**. CharUnits pointeeTySize = Ctx.getTypeSizeInChars(PointeeTy); - - // Is the offset a multiple of the size? If so, we can layer the - // ElementRegion (with elementType == PointeeTy) directly on top of - // the base region. - if (off % pointeeTySize == 0) { - newIndex = off / pointeeTySize; - newSuperR = baseR; + if (!pointeeTySize.isZero()) { + // Is the offset a multiple of the size? If so, we can layer the + // ElementRegion (with elementType == PointeeTy) directly on top of + // the base region. + if (off % pointeeTySize == 0) { + newIndex = off / pointeeTySize; + newSuperR = baseR; + } } } |
