From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- libgo/go/http/chunked.go | 56 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 libgo/go/http/chunked.go (limited to 'libgo/go/http/chunked.go') diff --git a/libgo/go/http/chunked.go b/libgo/go/http/chunked.go new file mode 100644 index 000000000..66195f06b --- /dev/null +++ b/libgo/go/http/chunked.go @@ -0,0 +1,56 @@ +// 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 http + +import ( + "io" + "os" + "strconv" +) + +// NewChunkedWriter returns a new writer that translates writes into HTTP +// "chunked" format before writing them to w. Closing the returned writer +// sends the final 0-length chunk that marks the end of the stream. +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 undering Wire writer. +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 os.Error) { + + // Don't send 0-length data. It looks like EOF for chunked encoding. + if len(data) == 0 { + return 0, nil + } + + head := strconv.Itob(len(data), 16) + "\r\n" + + if _, err = io.WriteString(cw.Wire, head); 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() os.Error { + _, err := io.WriteString(cw.Wire, "0\r\n") + return err +} -- cgit v1.2.3