7a9389330e
gcc/: * gcc.c (default_compilers): Add entry for ".go". * common.opt: Add -static-libgo as a driver option. * doc/install.texi (Configuration): Mention libgo as an option for --enable-shared. Mention go as an option for --enable-languages. * doc/invoke.texi (Overall Options): Mention .go as a file name suffix. Mention go as a -x option. * doc/frontends.texi (G++ and GCC): Mention Go as a supported language. * doc/sourcebuild.texi (Top Level): Mention libgo. * doc/standards.texi (Standards): Add section on Go language. Move references for other languages into their own section. * doc/contrib.texi (Contributors): Mention that I contributed the Go frontend. gcc/testsuite/: * lib/go.exp: New file. * lib/go-dg.exp: New file. * lib/go-torture.exp: New file. * lib/target-supports.exp (check_compile): Match // Go. From-SVN: r167407
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package http
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import (
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"io"
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"os"
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"strconv"
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)
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// NewChunkedWriter returns a new writer that translates writes into HTTP
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// "chunked" format before writing them to w. Closing the returned writer
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// sends the final 0-length chunk that marks the end of the stream.
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func NewChunkedWriter(w io.Writer) io.WriteCloser {
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return &chunkedWriter{w}
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}
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// Writing to ChunkedWriter translates to writing in HTTP chunked Transfer
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// Encoding wire format to the undering Wire writer.
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type chunkedWriter struct {
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Wire io.Writer
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}
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// Write the contents of data as one chunk to Wire.
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// NOTE: Note that the corresponding chunk-writing procedure in Conn.Write has
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// a bug since it does not check for success of io.WriteString
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func (cw *chunkedWriter) Write(data []byte) (n int, err os.Error) {
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// Don't send 0-length data. It looks like EOF for chunked encoding.
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if len(data) == 0 {
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return 0, nil
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}
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head := strconv.Itob(len(data), 16) + "\r\n"
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if _, err = io.WriteString(cw.Wire, head); err != nil {
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return 0, err
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}
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if n, err = cw.Wire.Write(data); err != nil {
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return
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}
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if n != len(data) {
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err = io.ErrShortWrite
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return
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}
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_, err = io.WriteString(cw.Wire, "\r\n")
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return
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}
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func (cw *chunkedWriter) Close() os.Error {
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_, err := io.WriteString(cw.Wire, "0\r\n")
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return err
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}
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