Imported Upstream version 60

1 files changed, 0 insertions, 75 deletions

diff --git a/src/pkg/archive/tar/common.go b/src/pkg/archive/tar/common.go
deleted file mode 100644
index 528858765..000000000
--- a/src/pkg/archive/tar/common.go
+++ /dev/null
@@ -1,75 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package tar implements access to tar archives.
-// It aims to cover most of the variations, including those produced
-// by GNU and BSD tars.
-//
-// References:
-//   http://www.freebsd.org/cgi/man.cgi?query=tar&sektion=5
-//   http://www.gnu.org/software/tar/manual/html_node/Standard.html
-package tar
-
-const (
-	blockSize = 512
-
-	// Types
-	TypeReg           = '0'
-	TypeRegA          = '\x00'
-	TypeLink          = '1'
-	TypeSymlink       = '2'
-	TypeChar          = '3'
-	TypeBlock         = '4'
-	TypeDir           = '5'
-	TypeFifo          = '6'
-	TypeCont          = '7'
-	TypeXHeader       = 'x'
-	TypeXGlobalHeader = 'g'
-)
-
-// A Header represents a single header in a tar archive.
-// Some fields may not be populated.
-type Header struct {
-	Name     string
-	Mode     int64
-	Uid      int
-	Gid      int
-	Size     int64
-	Mtime    int64
-	Typeflag byte
-	Linkname string
-	Uname    string
-	Gname    string
-	Devmajor int64
-	Devminor int64
-	Atime    int64
-	Ctime    int64
-}
-
-var zeroBlock = make([]byte, blockSize)
-
-// POSIX specifies a sum of the unsigned byte values, but the Sun tar uses signed byte values.
-// We compute and return both.
-func checksum(header []byte) (unsigned int64, signed int64) {
-	for i := 0; i < len(header); i++ {
-		if i == 148 {
-			// The chksum field (header[148:156]) is special: it should be treated as space bytes.
-			unsigned += ' ' * 8
-			signed += ' ' * 8
-			i += 7
-			continue
-		}
-		unsigned += int64(header[i])
-		signed += int64(int8(header[i]))
-	}
-	return
-}
-
-type slicer []byte
-
-func (sp *slicer) next(n int) (b []byte) {
-	s := *sp
-	b, *sp = s[0:n], s[n:]
-	return
-}