diff options
Diffstat (limited to 'clang/lib/Sema/SemaChecking.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaChecking.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp index fd90121bfe3..f76ab083586 100644 --- a/clang/lib/Sema/SemaChecking.cpp +++ b/clang/lib/Sema/SemaChecking.cpp @@ -6179,13 +6179,15 @@ void Sema::CheckMemaccessArguments(const CallExpr *Call, // It is possible to have a non-standard definition of memset. Validate // we have enough arguments, and if not, abort further checking. - unsigned ExpectedNumArgs = (BId == Builtin::BIstrndup ? 2 : 3); + unsigned ExpectedNumArgs = + (BId == Builtin::BIstrndup || BId == Builtin::BIbzero ? 2 : 3); if (Call->getNumArgs() < ExpectedNumArgs) return; - unsigned LastArg = (BId == Builtin::BImemset || + unsigned LastArg = (BId == Builtin::BImemset || BId == Builtin::BIbzero || BId == Builtin::BIstrndup ? 1 : 2); - unsigned LenArg = (BId == Builtin::BIstrndup ? 1 : 2); + unsigned LenArg = + (BId == Builtin::BIbzero || BId == Builtin::BIstrndup ? 1 : 2); const Expr *LenExpr = Call->getArg(LenArg)->IgnoreParenImpCasts(); if (CheckMemorySizeofForComparison(*this, LenExpr, FnName, |
