1 files changed, 0 insertions, 187 deletions
diff --git a/src/pkg/compress/gzip/gzip.go b/src/pkg/compress/gzip/gzip.go
deleted file mode 100644
index 8860d10af..000000000
--- a/src/pkg/compress/gzip/gzip.go
+++ /dev/null
@@ -1,187 +0,0 @@
-// Copyright 2010 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 gzip
-
-import (
-	"compress/flate"
-	"hash"
-	"hash/crc32"
-	"io"
-	"os"
-)
-
-// These constants are copied from the flate package, so that code that imports
-// "compress/gzip" does not also have to import "compress/flate".
-const (
-	NoCompression      = flate.NoCompression
-	BestSpeed          = flate.BestSpeed
-	BestCompression    = flate.BestCompression
-	DefaultCompression = flate.DefaultCompression
-)
-
-// A Compressor is an io.WriteCloser that satisfies writes by compressing data written
-// to its wrapped io.Writer.
-type Compressor struct {
-	Header
-	w          io.Writer
-	level      int
-	compressor io.WriteCloser
-	digest     hash.Hash32
-	size       uint32
-	closed     bool
-	buf        [10]byte
-	err        os.Error
-}
-
-// NewWriter calls NewWriterLevel with the default compression level.
-func NewWriter(w io.Writer) (*Compressor, os.Error) {
-	return NewWriterLevel(w, DefaultCompression)
-}
-
-// NewWriterLevel creates a new Compressor writing to the given writer.
-// Writes may be buffered and not flushed until Close.
-// Callers that wish to set the fields in Compressor.Header must
-// do so before the first call to Write or Close.
-// It is the caller's responsibility to call Close on the WriteCloser when done.
-// level is the compression level, which can be DefaultCompression, NoCompression,
-// or any integer value between BestSpeed and BestCompression (inclusive).
-func NewWriterLevel(w io.Writer, level int) (*Compressor, os.Error) {
-	z := new(Compressor)
-	z.OS = 255 // unknown
-	z.w = w
-	z.level = level
-	z.digest = crc32.NewIEEE()
-	return z, nil
-}
-
-// GZIP (RFC 1952) is little-endian, unlike ZLIB (RFC 1950).
-func put2(p []byte, v uint16) {
-	p[0] = uint8(v >> 0)
-	p[1] = uint8(v >> 8)
-}
-
-func put4(p []byte, v uint32) {
-	p[0] = uint8(v >> 0)
-	p[1] = uint8(v >> 8)
-	p[2] = uint8(v >> 16)
-	p[3] = uint8(v >> 24)
-}
-
-// writeBytes writes a length-prefixed byte slice to z.w.
-func (z *Compressor) writeBytes(b []byte) os.Error {
-	if len(b) > 0xffff {
-		return os.NewError("gzip.Write: Extra data is too large")
-	}
-	put2(z.buf[0:2], uint16(len(b)))
-	_, err := z.w.Write(z.buf[0:2])
-	if err != nil {
-		return err
-	}
-	_, err = z.w.Write(b)
-	return err
-}
-
-// writeString writes a string (in ISO 8859-1 (Latin-1) format) to z.w.
-func (z *Compressor) writeString(s string) os.Error {
-	// GZIP (RFC 1952) specifies that strings are NUL-terminated ISO 8859-1 (Latin-1).
-	// TODO(nigeltao): Convert from UTF-8 to ISO 8859-1 (Latin-1).
-	for _, v := range s {
-		if v == 0 || v > 0x7f {
-			return os.NewError("gzip.Write: non-ASCII header string")
-		}
-	}
-	_, err := io.WriteString(z.w, s)
-	if err != nil {
-		return err
-	}
-	// GZIP strings are NUL-terminated.
-	z.buf[0] = 0
-	_, err = z.w.Write(z.buf[0:1])
-	return err
-}
-
-func (z *Compressor) Write(p []byte) (int, os.Error) {
-	if z.err != nil {
-		return 0, z.err
-	}
-	var n int
-	// Write the GZIP header lazily.
-	if z.compressor == nil {
-		z.buf[0] = gzipID1
-		z.buf[1] = gzipID2
-		z.buf[2] = gzipDeflate
-		z.buf[3] = 0
-		if z.Extra != nil {
-			z.buf[3] |= 0x04
-		}
-		if z.Name != "" {
-			z.buf[3] |= 0x08
-		}
-		if z.Comment != "" {
-			z.buf[3] |= 0x10
-		}
-		put4(z.buf[4:8], z.Mtime)
-		if z.level == BestCompression {
-			z.buf[8] = 2
-		} else if z.level == BestSpeed {
-			z.buf[8] = 4
-		} else {
-			z.buf[8] = 0
-		}
-		z.buf[9] = z.OS
-		n, z.err = z.w.Write(z.buf[0:10])
-		if z.err != nil {
-			return n, z.err
-		}
-		if z.Extra != nil {
-			z.err = z.writeBytes(z.Extra)
-			if z.err != nil {
-				return n, z.err
-			}
-		}
-		if z.Name != "" {
-			z.err = z.writeString(z.Name)
-			if z.err != nil {
-				return n, z.err
-			}
-		}
-		if z.Comment != "" {
-			z.err = z.writeString(z.Comment)
-			if z.err != nil {
-				return n, z.err
-			}
-		}
-		z.compressor = flate.NewWriter(z.w, z.level)
-	}
-	z.size += uint32(len(p))
-	z.digest.Write(p)
-	n, z.err = z.compressor.Write(p)
-	return n, z.err
-}
-
-// Calling Close does not close the wrapped io.Writer originally passed to NewWriter.
-func (z *Compressor) Close() os.Error {
-	if z.err != nil {
-		return z.err
-	}
-	if z.closed {
-		return nil
-	}
-	z.closed = true
-	if z.compressor == nil {
-		z.Write(nil)
-		if z.err != nil {
-			return z.err
-		}
-	}
-	z.err = z.compressor.Close()
-	if z.err != nil {
-		return z.err
-	}
-	put4(z.buf[0:4], z.digest.Sum32())
-	put4(z.buf[4:8], z.size)
-	_, z.err = z.w.Write(z.buf[0:8])
-	return z.err
-}