1 files changed, 0 insertions, 203 deletions
diff --git a/src/pkg/net/http/httputil/chunked.go b/src/pkg/net/http/httputil/chunked.go
deleted file mode 100644
index 9632bfd19..000000000
--- a/src/pkg/net/http/httputil/chunked.go
+++ /dev/null
@@ -1,203 +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.
-
-// The wire protocol for HTTP's "chunked" Transfer-Encoding.
-
-// This code is duplicated in net/http and net/http/httputil.
-// Please make any changes in both files.
-
-package httputil
-
-import (
-	"bufio"
-	"bytes"
-	"errors"
-	"fmt"
-	"io"
-)
-
-const maxLineLength = 4096 // assumed <= bufio.defaultBufSize
-
-var ErrLineTooLong = errors.New("header line too long")
-
-// newChunkedReader returns a new chunkedReader that translates the data read from r
-// out of HTTP "chunked" format before returning it.
-// The chunkedReader returns io.EOF when the final 0-length chunk is read.
-//
-// newChunkedReader is not needed by normal applications. The http package
-// automatically decodes chunking when reading response bodies.
-func newChunkedReader(r io.Reader) io.Reader {
-	br, ok := r.(*bufio.Reader)
-	if !ok {
-		br = bufio.NewReader(r)
-	}
-	return &chunkedReader{r: br}
-}
-
-type chunkedReader struct {
-	r   *bufio.Reader
-	n   uint64 // unread bytes in chunk
-	err error
-	buf [2]byte
-}
-
-func (cr *chunkedReader) beginChunk() {
-	// chunk-size CRLF
-	var line []byte
-	line, cr.err = readLine(cr.r)
-	if cr.err != nil {
-		return
-	}
-	cr.n, cr.err = parseHexUint(line)
-	if cr.err != nil {
-		return
-	}
-	if cr.n == 0 {
-		cr.err = io.EOF
-	}
-}
-
-func (cr *chunkedReader) chunkHeaderAvailable() bool {
-	n := cr.r.Buffered()
-	if n > 0 {
-		peek, _ := cr.r.Peek(n)
-		return bytes.IndexByte(peek, '\n') >= 0
-	}
-	return false
-}
-
-func (cr *chunkedReader) Read(b []uint8) (n int, err error) {
-	for cr.err == nil {
-		if cr.n == 0 {
-			if n > 0 && !cr.chunkHeaderAvailable() {
-				// We've read enough. Don't potentially block
-				// reading a new chunk header.
-				break
-			}
-			cr.beginChunk()
-			continue
-		}
-		if len(b) == 0 {
-			break
-		}
-		rbuf := b
-		if uint64(len(rbuf)) > cr.n {
-			rbuf = rbuf[:cr.n]
-		}
-		var n0 int
-		n0, cr.err = cr.r.Read(rbuf)
-		n += n0
-		b = b[n0:]
-		cr.n -= uint64(n0)
-		// If we're at the end of a chunk, read the next two
-		// bytes to verify they are "\r\n".
-		if cr.n == 0 && cr.err == nil {
-			if _, cr.err = io.ReadFull(cr.r, cr.buf[:2]); cr.err == nil {
-				if cr.buf[0] != '\r' || cr.buf[1] != '\n' {
-					cr.err = errors.New("malformed chunked encoding")
-				}
-			}
-		}
-	}
-	return n, cr.err
-}
-
-// Read a line of bytes (up to \n) from b.
-// Give up if the line exceeds maxLineLength.
-// The returned bytes are a pointer into storage in
-// the bufio, so they are only valid until the next bufio read.
-func readLine(b *bufio.Reader) (p []byte, err error) {
-	if p, err = b.ReadSlice('\n'); err != nil {
-		// We always know when EOF is coming.
-		// If the caller asked for a line, there should be a line.
-		if err == io.EOF {
-			err = io.ErrUnexpectedEOF
-		} else if err == bufio.ErrBufferFull {
-			err = ErrLineTooLong
-		}
-		return nil, err
-	}
-	if len(p) >= maxLineLength {
-		return nil, ErrLineTooLong
-	}
-	return trimTrailingWhitespace(p), nil
-}
-
-func trimTrailingWhitespace(b []byte) []byte {
-	for len(b) > 0 && isASCIISpace(b[len(b)-1]) {
-		b = b[:len(b)-1]
-	}
-	return b
-}
-
-func isASCIISpace(b byte) bool {
-	return b == ' ' || b == '\t' || b == '\n' || b == '\r'
-}
-
-// newChunkedWriter returns a new chunkedWriter that translates writes into HTTP
-// "chunked" format before writing them to w. Closing the returned chunkedWriter
-// sends the final 0-length chunk that marks the end of the stream.
-//
-// newChunkedWriter is not needed by normal applications. The http
-// package adds chunking automatically if handlers don't set a
-// Content-Length header. Using newChunkedWriter inside a handler
-// would result in double chunking or chunking with a Content-Length
-// length, both of which are wrong.
-func newChunkedWriter(w io.Writer) io.WriteCloser {
-	return &chunkedWriter{w}
-}
-
-// Writing to chunkedWriter translates to writing in HTTP chunked Transfer
-// Encoding wire format to the underlying Wire chunkedWriter.
-type chunkedWriter struct {
-	Wire io.Writer
-}
-
-// Write the contents of data as one chunk to Wire.
-// NOTE: Note that the corresponding chunk-writing procedure in Conn.Write has
-// a bug since it does not check for success of io.WriteString
-func (cw *chunkedWriter) Write(data []byte) (n int, err error) {
-
-	// Don't send 0-length data. It looks like EOF for chunked encoding.
-	if len(data) == 0 {
-		return 0, nil
-	}
-
-	if _, err = fmt.Fprintf(cw.Wire, "%x\r\n", len(data)); err != nil {
-		return 0, err
-	}
-	if n, err = cw.Wire.Write(data); err != nil {
-		return
-	}
-	if n != len(data) {
-		err = io.ErrShortWrite
-		return
-	}
-	_, err = io.WriteString(cw.Wire, "\r\n")
-
-	return
-}
-
-func (cw *chunkedWriter) Close() error {
-	_, err := io.WriteString(cw.Wire, "0\r\n")
-	return err
-}
-
-func parseHexUint(v []byte) (n uint64, err error) {
-	for _, b := range v {
-		n <<= 4
-		switch {
-		case '0' <= b && b <= '9':
-			b = b - '0'
-		case 'a' <= b && b <= 'f':
-			b = b - 'a' + 10
-		case 'A' <= b && b <= 'F':
-			b = b - 'A' + 10
-		default:
-			return 0, errors.New("invalid byte in chunk length")
-		}
-		n |= uint64(b)
-	}
-	return
-}