Charusso added a comment.
In D69731#1730784 <https://reviews.llvm.org/D69731#1730784>, @NoQ wrote:
> I'm not sure though - because we somehow survived without this for like 10
> years. Eg. `BugReporterVisitors.cpp`: [...]
> I'd love to see some actual use before committing.
"Teaser":
const Preprocessor &PP = C.getPreprocessor();
Optional<bool> WantSafeFunctions;
if (PP.isMacroDefined("__STDC_LIB_EXT1__")) {
MacroDefinition MD = PP.getMacroDefinition("__STDC_WANT_LIB_EXT1__");
if (const MacroInfo *MI = MD.getMacroInfo()) {
const Token &T = MI->tokens().back();
StringRef ValueStr = StringRef(T.getLiteralData(), T.getLength());
llvm::APInt IntValue;
ValueStr.getAsInteger(10, IntValue);
WantSafeFunctions = IntValue.getZExtValue();
}
}
Repository:
rC Clang
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D69731/new/
https://reviews.llvm.org/D69731
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