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-rw-r--r--systems/texlive/tlnet/tlpkg/tlperl/lib/Archive/Tar/Constant.pm113
1 files changed, 113 insertions, 0 deletions
diff --git a/systems/texlive/tlnet/tlpkg/tlperl/lib/Archive/Tar/Constant.pm b/systems/texlive/tlnet/tlpkg/tlperl/lib/Archive/Tar/Constant.pm
new file mode 100644
index 0000000000..66fad51a07
--- /dev/null
+++ b/systems/texlive/tlnet/tlpkg/tlperl/lib/Archive/Tar/Constant.pm
@@ -0,0 +1,113 @@
+package Archive::Tar::Constant;
+
+BEGIN {
+ require Exporter;
+
+ $VERSION = '2.30';
+ @ISA = qw[Exporter];
+
+ require Time::Local if $^O eq "MacOS";
+}
+
+@EXPORT = Archive::Tar::Constant->_list_consts( __PACKAGE__ );
+
+use strict;
+use warnings;
+
+use constant FILE => 0;
+use constant HARDLINK => 1;
+use constant SYMLINK => 2;
+use constant CHARDEV => 3;
+use constant BLOCKDEV => 4;
+use constant DIR => 5;
+use constant FIFO => 6;
+use constant SOCKET => 8;
+use constant UNKNOWN => 9;
+use constant LONGLINK => 'L';
+use constant LABEL => 'V';
+
+use constant BUFFER => 4096;
+use constant HEAD => 512;
+use constant BLOCK => 512;
+
+use constant COMPRESS_GZIP => 9;
+use constant COMPRESS_BZIP => 'bzip2';
+
+use constant BLOCK_SIZE => sub { my $n = int($_[0]/BLOCK); $n++ if $_[0] % BLOCK; $n * BLOCK };
+use constant TAR_PAD => sub { my $x = shift || return; return "\0" x (BLOCK - ($x % BLOCK) ) };
+use constant TAR_END => "\0" x BLOCK;
+
+use constant READ_ONLY => sub { shift() ? 'rb' : 'r' };
+use constant WRITE_ONLY => sub { $_[0] ? 'wb' . shift : 'w' };
+use constant MODE_READ => sub { $_[0] =~ /^r/ ? 1 : 0 };
+
+# Pointless assignment to make -w shut up
+my $getpwuid; $getpwuid = 'unknown' unless eval { my $f = getpwuid (0); };
+my $getgrgid; $getgrgid = 'unknown' unless eval { my $f = getgrgid (0); };
+use constant UNAME => sub { $getpwuid || scalar getpwuid( shift() ) || '' };
+use constant GNAME => sub { $getgrgid || scalar getgrgid( shift() ) || '' };
+use constant UID => $>;
+use constant GID => (split ' ', $) )[0];
+
+use constant MODE => do { 0666 & (0777 & ~umask) };
+use constant STRIP_MODE => sub { shift() & 0777 };
+use constant CHECK_SUM => " ";
+
+use constant UNPACK => 'a100 a8 a8 a8 a12 a12 a8 a1 a100 A6 a2 a32 a32 a8 a8 a155 x12'; # cdrake - size must be a12 - not A12 - or else screws up huge file sizes (>8gb)
+use constant PACK => 'a100 a8 a8 a8 a12 a12 A8 a1 a100 a6 a2 a32 a32 a8 a8 a155 x12';
+use constant NAME_LENGTH => 100;
+use constant PREFIX_LENGTH => 155;
+
+use constant TIME_OFFSET => ($^O eq "MacOS") ? Time::Local::timelocal(0,0,0,1,0,70) : 0;
+use constant MAGIC => "ustar";
+use constant TAR_VERSION => "00";
+use constant LONGLINK_NAME => '././@LongLink';
+use constant PAX_HEADER => 'pax_global_header';
+
+ ### allow ZLIB to be turned off using ENV: DEBUG only
+use constant ZLIB => do { !$ENV{'PERL5_AT_NO_ZLIB'} and
+ eval { require IO::Zlib };
+ $ENV{'PERL5_AT_NO_ZLIB'} || $@ ? 0 : 1
+ };
+
+ ### allow BZIP to be turned off using ENV: DEBUG only
+use constant BZIP => do { !$ENV{'PERL5_AT_NO_BZIP'} and
+ eval { require IO::Uncompress::Bunzip2;
+ require IO::Compress::Bzip2; };
+ $ENV{'PERL5_AT_NO_BZIP'} || $@ ? 0 : 1
+ };
+
+use constant GZIP_MAGIC_NUM => qr/^(?:\037\213|\037\235)/;
+use constant BZIP_MAGIC_NUM => qr/^BZh\d/;
+
+use constant CAN_CHOWN => sub { ($> == 0 and $^O ne "MacOS" and $^O ne "MSWin32") };
+use constant CAN_READLINK => ($^O ne 'MSWin32' and $^O !~ /RISC(?:[ _])?OS/i and $^O ne 'VMS');
+use constant ON_UNIX => ($^O ne 'MSWin32' and $^O ne 'MacOS' and $^O ne 'VMS');
+use constant ON_VMS => $^O eq 'VMS';
+
+sub _list_consts {
+ my $class = shift;
+ my $pkg = shift;
+ return unless defined $pkg; # some joker might use '0' as a pkg...
+
+ my @rv;
+ { no strict 'refs';
+ my $stash = $pkg . '::';
+
+ for my $name (sort keys %$stash ) {
+
+ ### is it a subentry?
+ my $sub = $pkg->can( $name );
+ next unless defined $sub;
+
+ next unless defined prototype($sub) and
+ not length prototype($sub);
+
+ push @rv, $name;
+ }
+ }
+
+ return sort @rv;
+}
+
+1;