->zflush must return a string to its caller, not undef.
Additionally, {http_out} may be deleted on ->write if ->close
recurses.
This should fix the following errors:
Use of uninitialized value $_[1] in string eq at PublicInbox/HTTP.pm line 211.
E: Can't call method "close" on an undefined value at GzipFilter.pm line 167.
Fixes: a6d50dc1098c01a1 (www: gzip_filter: gracefully handle socket ->write failures, 2022-08-03)
$err = $gz->deflate($_[1], $zbuf);
die "gzip->deflate: $err" if $err != Z_OK;
}
- $gz // return; # not a bug, recursing on DS->write failure
+ $gz // return ''; # not a bug, recursing on DS->write failure
$err = $gz->flush($zbuf);
die "gzip->flush: $err" if $err != Z_OK;
$zbuf;
my ($self) = @_;
my $http_out = http_out($self) // return;
$http_out->write(zflush($self));
- delete($self->{http_out})->close;
+ (delete($self->{http_out}) // return)->close;
}
sub bail {