================
@@ -1721,11 +1721,13 @@ void Preprocessor::ExpandBuiltinMacro(Token &Tok) {
Diag(Tok.getLocation(), diag::warn_pp_date_time);
// MSVC, ICC, GCC, VisualAge C++ extension. The generated string should be
// of the form "Ddd Mmm dd hh::mm::ss yyyy", which is returned by asctime.
- const char *Result;
+ const char *Result = "??? ??? ?? ??:??:?? ????";
+ char TimeString[64];
if (getPreprocessorOpts().SourceDateEpoch) {
time_t TT = *getPreprocessorOpts().SourceDateEpoch;
std::tm *TM = std::gmtime(&TT);
- Result = asctime(TM);
+ if (strftime(TimeString, sizeof TimeString, "%a %b %e %T %Y", TM) != 0)
----------------
yichi170 wrote:
@AaronBallman I adapted your advice and here I use `%e` instead of `%d` since
`asctime` returns the space-padded Day of the month.
https://github.com/llvm/llvm-project/pull/99075
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