aaron.ballman added inline comments.
================ Comment at: clang/lib/AST/Decl.cpp:2994 +/// +/// \param ConsiderWrapperFunctions If we should consider wrapper functions as +/// their wrapped builtins. This shouldn't be done in general, but its useful in ---------------- If we should -> If true, we should ================ Comment at: clang/lib/AST/Decl.cpp:2995 +/// \param ConsiderWrapperFunctions If we should consider wrapper functions as +/// their wrapped builtins. This shouldn't be done in general, but its useful in +/// Sema to diagnose calls to wrappers based on their semantics. ---------------- its -> it's ================ Comment at: clang/lib/Sema/SemaChecking.cpp:319 + // If the parameter has a pass_object_size attribute, then we should use + // it's (potentially) more strict checking mode. Otherwise, conservatively + // assume type 0. ---------------- it's -> its ================ Comment at: clang/lib/Sema/SemaChecking.cpp:367 + DiagID = diag::warn_memcpy_chk_overflow; + if (!evaluateObjectSize(TheCall->getNumArgs()-1) || + !evaluateSizeArg(TheCall->getNumArgs()-2)) ---------------- george.burgess.iv wrote: > nit: All of these cases (and the two lambdas above) look super similar. Might > it be clearer to just set `SizeIndex` and `ObjectIndex` variables from here, > and actually `evaluate` them before `UsedSize.ule(ComputedSize)`? > > If not, I'm OK with this as-is. Formatting looks off here -- run the patch through clang-format? ================ Comment at: clang/lib/Sema/SemaChecking.cpp:388 + return; + // Whether these functions overflow depend on the runtime strlen of the + // string, not just the buffer size, so emitting the "always overflow" ---------------- depend -> depends ================ Comment at: clang/lib/Sema/SemaChecking.cpp:423 + StringRef FunctionName = getASTContext().BuiltinInfo.getName(BuiltinID); + if (DiagID == diag::warn_memcpy_chk_overflow) { + // __builtin___memcpy_chk -> memcpy ---------------- Why don't we want to do this for the new fortify diagnostics? Repository: rC Clang CHANGES SINCE LAST ACTION https://reviews.llvm.org/D58797/new/ https://reviews.llvm.org/D58797 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits