Jeff King <peff@xxxxxxxx> writes:
> On Mon, Feb 24, 2014 at 11:50:00AM -0800, Junio C Hamano wrote:
>
>> > We also recognize overflow in the timezone field, which
>> > could produce nonsensical results. In this case we show the
>> > parsed date, but in UTC.
>>
>> Both are good measures to fallback to sanity, but why is that
>> if/else? In other words...
>>
>> > + if (date_overflows(date))
>> > + date = 0;
>> > + else {
>> > + if (ident->tz_begin && ident->tz_end)
>> > + tz = strtol(ident->tz_begin, NULL, 10);
>> > + if (tz == LONG_MAX || tz == LONG_MIN)
>> > + tz = 0;
>> > + }
>>
>> ... don't we want to fix an input having a bogus timestamp and also
>> a bogus tz recorded in it?
>
> If there is a bogus timestamp, then we do not want to look at tz at all.
> We leave it at "0", so that we get a true sentinel:
Ah, OK, I missed the initialization to 0 at the beginning.
It might have been more clear if "int tz" declaration were left
uninitialized, and the variable were explicitly cleared to 0 in the
"date-overflows" error codepath, but it is not a big deal.
Thanks for clarification.
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