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Re: [PATCH] git-svn: avoid warning on undef readline()

From
Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date
Apr 6, 2018, 21:05 UTC
Message-ID
<87sh88yrjn.fsf@evledraar.gmail.com>
In-Reply-To
<20180406204906.GA27677@whir>
On Fri, Apr 06 2018, Eric Wong wrote:
Show 29 quoted lines
> Ævar Arnfjörð Bjarmason <avarab@gmail.com> wrote:
>> On Fri, Apr 06 2018, Eric Wong wrote:
>> > Ævar Arnfjörð Bjarmason <avarab@gmail.com> wrote:
>> >
>> >> --- a/perl/Git.pm
>> >> +++ b/perl/Git.pm
>> >> @@ -554,7 +554,7 @@ sub get_record {
>> >>  	my ($fh, $rs) = @_;
>> >>  	local $/ = $rs;
>> >>  	my $rec = <$fh>;
>> >> -	chomp $rec if defined $rs;
>> >> +	chomp $rec if defined $rs and defined $rec;
>> >
>> > I'm struggling to understand the reason for the "defined $rs"
>> > check.  I think it was a braino on my part and meant to use:
>> >
>> > 	chomp $rec if defined $rec;
>>
>> Whether this makes any sense is another question, but you seem to have
>> explicitly meant this at the time. The full function definition with
>> documentation:
>>
>>     =item get_record ( FILEHANDLE, INPUT_RECORD_SEPARATOR )
>>
>>     Read one record from FILEHANDLE delimited by INPUT_RECORD_SEPARATOR,
>>     removing any trailing INPUT_RECORD_SEPARATOR.
>
> I've always known chomp to respect the value of $/; so chomp($rec)
> whould only cut out whatever $rs is, and be a no-op if $rs is undef.
Yup, you're right. I missed that.
Previous: Eric WongNext: Junio C Hamano
Message 9 of 11 in “git 2.17.0: uninitialized value $rec in scalar chomp at ...Git.pm line 557”
  1. Joseph MingroneApr 6, 2018
  2. Johannes SchindelinApr 6, 2018
  3. Joseph MingroneApr 6, 2018
  4. git-svn: avoid warning on undef readline()Ævar Arnfjörð Bjarmason, Apr 6, 2018
  5. Johannes SchindelinApr 6, 2018
  6. Eric WongApr 6, 2018
  7. Ævar Arnfjörð BjarmasonApr 6, 2018
  8. Eric WongApr 6, 2018
  9. Ævar Arnfjörð BjarmasonApr 6, 2018
  10. Junio C HamanoApr 9, 2018
  11. brian m. carlsonApr 7, 2018

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