Upgrade to IO-Zlib-1.05. There are updates to the core that have

not yet been included in the CPAN distribution, so the core 
module has a version bump.

p4raw-id: //depot/perl@30489

3 files changed, 51 insertions, 42 deletions

diff --git a/lib/IO/Zlib.pm b/lib/IO/Zlib.pm
index d1b54c3460..f4a15ceddf 100644
--- a/lib/IO/Zlib.pm
+++ b/lib/IO/Zlib.pm
@@ -6,7 +6,7 @@
 
 package IO::Zlib;
 
-$VERSION = "1.04_02";
+$VERSION = "1.05_01";
 
 =head1 NAME
 
@@ -256,10 +256,6 @@ No filename, no open.
 
 We must know how much to read.
 
-=item IO::Zlib::READ: OFFSET is not supported
-
-Offsets of gzipped streams are not supported.
-
 =item IO::Zlib::WRITE: too long LENGTH
 
 The LENGTH must be less than or equal to the buffer size.
@@ -389,6 +385,7 @@ sub _alias {
         *IO::Handle::gzread     = \&gzread_external;
         *IO::Handle::gzwrite    = \&gzwrite_external;
         *IO::Handle::gzreadline = \&gzreadline_external;
+        *IO::Handle::gzeof      = \&gzeof_external;
         *IO::Handle::gzclose    = \&gzclose_external;
 	$gzip_used = 1;
     } else {
@@ -398,6 +395,7 @@ sub _alias {
         *gzread     = \&Compress::Zlib::gzread;
         *gzwrite    = \&Compress::Zlib::gzwrite;
         *gzreadline = \&Compress::Zlib::gzreadline;
+        *gzeof      = \&Compress::Zlib::gzeof;
     }
     $aliased = 1;
 }
@@ -438,7 +436,6 @@ sub OPEN
     croak "IO::Zlib::open: needs a filename" unless defined($filename);
 
     $self->{'file'} = gzopen($filename,$mode);
-    $self->{'eof'} = 0;
 
     return defined($self->{'file'}) ? $self : undef;
 }
@@ -452,7 +449,6 @@ sub CLOSE
     my $status = $self->{'file'}->gzclose();
 
     delete $self->{'file'};
-    delete $self->{'eof'};
 
     return ($status == 0) ? 1 : undef;
 }
@@ -462,19 +458,16 @@ sub READ
     my $self = shift;
     my $bufref = \$_[0];
     my $nbytes = $_[1];
-    my $offset = $_[2];
+    my $offset = $_[2] || 0;
 
     croak "IO::Zlib::READ: NBYTES must be specified" unless defined($nbytes);
-    croak "IO::Zlib::READ: OFFSET is not supported" if defined($offset) && $offset != 0;
 
-    return 0 if $self->{'eof'};
+    $$bufref = "" unless defined($$bufref);
 
-    my $bytesread = $self->{'file'}->gzread($$bufref,$nbytes);
+    my $bytesread = $self->{'file'}->gzread(substr($$bufref,$offset),$nbytes);
 
     return undef if $bytesread < 0;
 
-    $self->{'eof'} = 1 if $bytesread < $nbytes;
-
     return $bytesread;
 }
 
@@ -505,17 +498,21 @@ sub WRITE
     my $length = shift;
     my $offset = shift;
 
-    croak "IO::Zlib::WRITE: too long LENGTH" unless $length <= length($buf);
-    croak "IO::Zlib::WRITE: OFFSET not supported" if defined($offset) && $offset != 0;
+    croak "IO::Zlib::WRITE: too long LENGTH" unless $offset + $length <= length($buf);
 
-    return $self->{'file'}->gzwrite(substr($buf,0,$length));
+    return $self->{'file'}->gzwrite(substr($buf,$offset,$length));
 }
 
 sub EOF
 {
     my $self = shift;
 
-    return $self->{'eof'};
+    return $self->{'file'}->gzeof();
+}
+
+sub FILENO
+{
+    return undef;
 }
 
 sub new
@@ -643,6 +640,10 @@ sub gzreadline_external {
     return defined $_[1] ? length($_[1]) : -1;
 }
 
+sub gzeof_external {
+    return eof($_[0]);
+}
+
 sub gzclose_external {
     close($_[0]);
     # I am not entirely certain why this is needed but it seems
diff --git a/lib/IO/Zlib/t/basic.t b/lib/IO/Zlib/t/basic.t
index 2df2b8c096..fc8da72797 100644
--- a/lib/IO/Zlib/t/basic.t
+++ b/lib/IO/Zlib/t/basic.t
@@ -20,7 +20,7 @@ sub ok
 
 $name="test.gz";
 
-print "1..15\n";
+print "1..17\n";
 
 $hello = <<EOM ;
 hello world
@@ -37,13 +37,17 @@ ok(6, $file = IO::Zlib->new());
 ok(7, $file->open($name, "rb"));
 ok(8, !$file->eof());
 ok(9, $file->read($uncomp, 1024) == length($hello));
-ok(10, $file->eof());
-ok(11, $file->opened());
-ok(12, $file->close());
-ok(13, !$file->opened());
+ok(10, $uncomp eq $hello);
+ok(11, $file->eof());
+ok(12, $file->opened());
+ok(13, $file->close());
+ok(14, !$file->opened());
 
-unlink($name);
+$file = IO::Zlib->new($name, "rb");
+ok(15, $file->read($uncomp, 1024, length($uncomp)) == length($hello));
+ok(16, $uncomp eq $hello . $hello);
+$file->close();
 
-ok(14, $hello eq $uncomp);
+unlink($name);
 
-ok(15, !defined(IO::Zlib->new($name, "rb")));
+ok(17, !defined(IO::Zlib->new($name, "rb")));
diff --git a/lib/IO/Zlib/t/getline.t b/lib/IO/Zlib/t/getline.t
index 4e0d14543d..237160bc9f 100644
--- a/lib/IO/Zlib/t/getline.t
+++ b/lib/IO/Zlib/t/getline.t
@@ -20,7 +20,7 @@ sub ok
 
 $name="test.gz";
 
-print "1..19\n";
+print "1..23\n";
 
 @text = (<<EOM, <<EOM, <<EOM, <<EOM) ;
 this is line 1
@@ -39,22 +39,26 @@ ok(2, $file->print($text));
 ok(3, $file->close());
 
 ok(4, $file = IO::Zlib->new($name, "rb"));
-ok(5, $file->getline() eq $text[0]);
-ok(6, $file->getline() eq $text[1]);
-ok(7, $file->getline() eq $text[2]);
-ok(8, $file->getline() eq $text[3]);
-ok(9, !defined($file->getline()));
-ok(10, $file->close());
-
-ok(11, $file = IO::Zlib->new($name, "rb"));
+ok(5, !$file->eof());
+ok(6, $file->getline() eq $text[0]);
+ok(7, $file->getline() eq $text[1]);
+ok(8, $file->getline() eq $text[2]);
+ok(9, $file->getline() eq $text[3]);
+ok(10, !defined($file->getline()));
+ok(11, $file->eof());
+ok(12, $file->close());
+
+ok(13, $file = IO::Zlib->new($name, "rb"));
+ok(14, !$file->eof());
 eval '$file->getlines';
-ok(12, $@ =~ /^IO::Zlib::getlines: must be called in list context /);
-ok(13, @lines = $file->getlines());
-ok(14, @lines == @text);
-ok(15, $lines[0] eq $text[0]);
-ok(16, $lines[1] eq $text[1]);
-ok(17, $lines[2] eq $text[2]);
-ok(18, $lines[3] eq $text[3]);
-ok(19, $file->close());
+ok(15, $@ =~ /^IO::Zlib::getlines: must be called in list context /);
+ok(16, @lines = $file->getlines());
+ok(17, @lines == @text);
+ok(18, $lines[0] eq $text[0]);
+ok(19, $lines[1] eq $text[1]);
+ok(20, $lines[2] eq $text[2]);
+ok(21, $lines[3] eq $text[3]);
+ok(22, $file->eof());
+ok(23, $file->close());
 
 unlink($name);