libgo: Update to weekly.2011-11-02.

From-SVN: r181964

4 files changed, 29 insertions, 33 deletions

diff --git a/libgo/go/net/textproto/reader.go b/libgo/go/net/textproto/reader.go
index 98b3927..658b5c2 100644
--- a/libgo/go/net/textproto/reader.go
+++ b/libgo/go/net/textproto/reader.go
@@ -9,7 +9,6 @@ import (
 	"bytes"
 	"io"
 	"io/ioutil"
-	"os"
 	"strconv"
 	"strings"
 )
@@ -32,13 +31,13 @@ func NewReader(r *bufio.Reader) *Reader {
 
 // ReadLine reads a single line from r,
 // eliding the final \n or \r\n from the returned string.
-func (r *Reader) ReadLine() (string, os.Error) {
+func (r *Reader) ReadLine() (string, error) {
 	line, err := r.readLineSlice()
 	return string(line), err
 }
 
 // ReadLineBytes is like ReadLine but returns a []byte instead of a string.
-func (r *Reader) ReadLineBytes() ([]byte, os.Error) {
+func (r *Reader) ReadLineBytes() ([]byte, error) {
 	line, err := r.readLineSlice()
 	if line != nil {
 		buf := make([]byte, len(line))
@@ -48,7 +47,7 @@ func (r *Reader) ReadLineBytes() ([]byte, os.Error) {
 	return line, err
 }
 
-func (r *Reader) readLineSlice() ([]byte, os.Error) {
+func (r *Reader) readLineSlice() ([]byte, error) {
 	r.closeDot()
 	var line []byte
 	for {
@@ -87,7 +86,7 @@ func (r *Reader) readLineSlice() ([]byte, os.Error) {
 //
 // A line consisting of only white space is never continued.
 //
-func (r *Reader) ReadContinuedLine() (string, os.Error) {
+func (r *Reader) ReadContinuedLine() (string, error) {
 	line, err := r.readContinuedLineSlice()
 	return string(line), err
 }
@@ -108,7 +107,7 @@ func trim(s []byte) []byte {
 
 // ReadContinuedLineBytes is like ReadContinuedLine but
 // returns a []byte instead of a string.
-func (r *Reader) ReadContinuedLineBytes() ([]byte, os.Error) {
+func (r *Reader) ReadContinuedLineBytes() ([]byte, error) {
 	line, err := r.readContinuedLineSlice()
 	if line != nil {
 		buf := make([]byte, len(line))
@@ -118,7 +117,7 @@ func (r *Reader) ReadContinuedLineBytes() ([]byte, os.Error) {
 	return line, err
 }
 
-func (r *Reader) readContinuedLineSlice() ([]byte, os.Error) {
+func (r *Reader) readContinuedLineSlice() ([]byte, error) {
 	// Read the first line.
 	line, err := r.readLineSlice()
 	if err != nil {
@@ -192,7 +191,7 @@ func (r *Reader) readContinuedLineSlice() ([]byte, os.Error) {
 	return line, err
 }
 
-func (r *Reader) readCodeLine(expectCode int) (code int, continued bool, message string, err os.Error) {
+func (r *Reader) readCodeLine(expectCode int) (code int, continued bool, message string, err error) {
 	line, err := r.ReadLine()
 	if err != nil {
 		return
@@ -200,7 +199,7 @@ func (r *Reader) readCodeLine(expectCode int) (code int, continued bool, message
 	return parseCodeLine(line, expectCode)
 }
 
-func parseCodeLine(line string, expectCode int) (code int, continued bool, message string, err os.Error) {
+func parseCodeLine(line string, expectCode int) (code int, continued bool, message string, err error) {
 	if len(line) < 4 || line[3] != ' ' && line[3] != '-' {
 		err = ProtocolError("short response: " + line)
 		return
@@ -235,7 +234,7 @@ func parseCodeLine(line string, expectCode int) (code int, continued bool, messa
 //
 // An expectCode <= 0 disables the check of the status code.
 //
-func (r *Reader) ReadCodeLine(expectCode int) (code int, message string, err os.Error) {
+func (r *Reader) ReadCodeLine(expectCode int) (code int, message string, err error) {
 	code, continued, message, err := r.readCodeLine(expectCode)
 	if err == nil && continued {
 		err = ProtocolError("unexpected multi-line response: " + message)
@@ -265,7 +264,7 @@ func (r *Reader) ReadCodeLine(expectCode int) (code int, message string, err os.
 //
 // An expectCode <= 0 disables the check of the status code.
 //
-func (r *Reader) ReadResponse(expectCode int) (code int, message string, err os.Error) {
+func (r *Reader) ReadResponse(expectCode int) (code int, message string, err error) {
 	code, continued, message, err := r.readCodeLine(expectCode)
 	for err == nil && continued {
 		line, err := r.ReadLine()
@@ -314,7 +313,7 @@ type dotReader struct {
 }
 
 // Read satisfies reads by decoding dot-encoded data read from d.r.
-func (d *dotReader) Read(b []byte) (n int, err os.Error) {
+func (d *dotReader) Read(b []byte) (n int, err error) {
 	// Run data through a simple state machine to
 	// elide leading dots, rewrite trailing \r\n into \n,
 	// and detect ending .\r\n line.
@@ -331,7 +330,7 @@ func (d *dotReader) Read(b []byte) (n int, err os.Error) {
 		var c byte
 		c, err = br.ReadByte()
 		if err != nil {
-			if err == os.EOF {
+			if err == io.EOF {
 				err = io.ErrUnexpectedEOF
 			}
 			break
@@ -393,7 +392,7 @@ func (d *dotReader) Read(b []byte) (n int, err os.Error) {
 		n++
 	}
 	if err == nil && d.state == stateEOF {
-		err = os.EOF
+		err = io.EOF
 	}
 	if err != nil && d.r.dot == d {
 		d.r.dot = nil
@@ -418,7 +417,7 @@ func (r *Reader) closeDot() {
 // ReadDotBytes reads a dot-encoding and returns the decoded data.
 //
 // See the documentation for the DotReader method for details about dot-encoding.
-func (r *Reader) ReadDotBytes() ([]byte, os.Error) {
+func (r *Reader) ReadDotBytes() ([]byte, error) {
 	return ioutil.ReadAll(r.DotReader())
 }
 
@@ -426,17 +425,17 @@ func (r *Reader) ReadDotBytes() ([]byte, os.Error) {
 // containing the decoded lines, with the final \r\n or \n elided from each.
 //
 // See the documentation for the DotReader method for details about dot-encoding.
-func (r *Reader) ReadDotLines() ([]string, os.Error) {
+func (r *Reader) ReadDotLines() ([]string, error) {
 	// We could use ReadDotBytes and then Split it,
 	// but reading a line at a time avoids needing a
 	// large contiguous block of memory and is simpler.
 	var v []string
-	var err os.Error
+	var err error
 	for {
 		var line string
 		line, err = r.ReadLine()
 		if err != nil {
-			if err == os.EOF {
+			if err == io.EOF {
 				err = io.ErrUnexpectedEOF
 			}
 			break
@@ -474,7 +473,7 @@ func (r *Reader) ReadDotLines() ([]string, os.Error) {
 //		"Long-Key": {"Even Longer Value"},
 //	}
 //
-func (r *Reader) ReadMIMEHeader() (MIMEHeader, os.Error) {
+func (r *Reader) ReadMIMEHeader() (MIMEHeader, error) {
 	m := make(MIMEHeader)
 	for {
 		kv, err := r.readContinuedLineSlice()
diff --git a/libgo/go/net/textproto/reader_test.go b/libgo/go/net/textproto/reader_test.go
index a087e29..5aefe39 100644
--- a/libgo/go/net/textproto/reader_test.go
+++ b/libgo/go/net/textproto/reader_test.go
@@ -7,7 +7,6 @@ package textproto
 import (
 	"bufio"
 	"io"
-	"os"
 	"reflect"
 	"strings"
 	"testing"
@@ -49,7 +48,7 @@ func TestReadLine(t *testing.T) {
 		t.Fatalf("Line 2: %s, %v", s, err)
 	}
 	s, err = r.ReadLine()
-	if s != "" || err != os.EOF {
+	if s != "" || err != io.EOF {
 		t.Fatalf("EOF: %s, %v", s, err)
 	}
 }
@@ -69,7 +68,7 @@ func TestReadContinuedLine(t *testing.T) {
 		t.Fatalf("Line 3: %s, %v", s, err)
 	}
 	s, err = r.ReadContinuedLine()
-	if s != "" || err != os.EOF {
+	if s != "" || err != io.EOF {
 		t.Fatalf("EOF: %s, %v", s, err)
 	}
 }
@@ -92,7 +91,7 @@ func TestReadCodeLine(t *testing.T) {
 		t.Fatalf("Line 3: wrong error %v\n", err)
 	}
 	code, msg, err = r.ReadCodeLine(1)
-	if code != 0 || msg != "" || err != os.EOF {
+	if code != 0 || msg != "" || err != io.EOF {
 		t.Fatalf("EOF: %d, %s, %v", code, msg, err)
 	}
 }
diff --git a/libgo/go/net/textproto/textproto.go b/libgo/go/net/textproto/textproto.go
index 9f19b54..317ec72 100644
--- a/libgo/go/net/textproto/textproto.go
+++ b/libgo/go/net/textproto/textproto.go
@@ -27,7 +27,6 @@ import (
 	"fmt"
 	"io"
 	"net"
-	"os"
 )
 
 // An Error represents a numeric error response from a server.
@@ -36,7 +35,7 @@ type Error struct {
 	Msg  string
 }
 
-func (e *Error) String() string {
+func (e *Error) Error() string {
 	return fmt.Sprintf("%03d %s", e.Code, e.Msg)
 }
 
@@ -44,7 +43,7 @@ func (e *Error) String() string {
 // as an invalid response or a hung-up connection.
 type ProtocolError string
 
-func (p ProtocolError) String() string {
+func (p ProtocolError) Error() string {
 	return string(p)
 }
 
@@ -70,13 +69,13 @@ func NewConn(conn io.ReadWriteCloser) *Conn {
 }
 
 // Close closes the connection.
-func (c *Conn) Close() os.Error {
+func (c *Conn) Close() error {
 	return c.conn.Close()
 }
 
 // Dial connects to the given address on the given network using net.Dial
 // and then returns a new Conn for the connection.
-func Dial(network, addr string) (*Conn, os.Error) {
+func Dial(network, addr string) (*Conn, error) {
 	c, err := net.Dial(network, addr)
 	if err != nil {
 		return nil, err
@@ -109,7 +108,7 @@ func Dial(network, addr string) (*Conn, os.Error) {
 //	}
 //	return c.ReadCodeLine(250)
 //
-func (c *Conn) Cmd(format string, args ...interface{}) (id uint, err os.Error) {
+func (c *Conn) Cmd(format string, args ...interface{}) (id uint, err error) {
 	id = c.Next()
 	c.StartRequest(id)
 	err = c.PrintfLine(format, args...)
diff --git a/libgo/go/net/textproto/writer.go b/libgo/go/net/textproto/writer.go
index 4e705f6..03e2fd6 100644
--- a/libgo/go/net/textproto/writer.go
+++ b/libgo/go/net/textproto/writer.go
@@ -8,7 +8,6 @@ import (
 	"bufio"
 	"fmt"
 	"io"
-	"os"
 )
 
 // A Writer implements convenience methods for writing
@@ -27,7 +26,7 @@ var crnl = []byte{'\r', '\n'}
 var dotcrnl = []byte{'.', '\r', '\n'}
 
 // PrintfLine writes the formatted output followed by \r\n.
-func (w *Writer) PrintfLine(format string, args ...interface{}) os.Error {
+func (w *Writer) PrintfLine(format string, args ...interface{}) error {
 	w.closeDot()
 	fmt.Fprintf(w.W, format, args...)
 	w.W.Write(crnl)
@@ -64,7 +63,7 @@ const (
 	wstateData             // writing data in middle of line
 )
 
-func (d *dotWriter) Write(b []byte) (n int, err os.Error) {
+func (d *dotWriter) Write(b []byte) (n int, err error) {
 	bw := d.w.W
 	for n < len(b) {
 		c := b[n]
@@ -100,7 +99,7 @@ func (d *dotWriter) Write(b []byte) (n int, err os.Error) {
 	return
 }
 
-func (d *dotWriter) Close() os.Error {
+func (d *dotWriter) Close() error {
 	if d.w.dot == d {
 		d.w.dot = nil
 	}