1 files changed, 0 insertions, 353 deletions
diff --git a/gcc-4.8.1/libgo/go/encoding/base64/base64.go b/gcc-4.8.1/libgo/go/encoding/base64/base64.go
deleted file mode 100644
index e66672a1c..000000000
--- a/gcc-4.8.1/libgo/go/encoding/base64/base64.go
+++ /dev/null
@@ -1,353 +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.
-
-// Package base64 implements base64 encoding as specified by RFC 4648.
-package base64
-
-import (
-	"io"
-	"strconv"
-)
-
-/*
- * Encodings
- */
-
-// An Encoding is a radix 64 encoding/decoding scheme, defined by a
-// 64-character alphabet.  The most common encoding is the "base64"
-// encoding defined in RFC 4648 and used in MIME (RFC 2045) and PEM
-// (RFC 1421).  RFC 4648 also defines an alternate encoding, which is
-// the standard encoding with - and _ substituted for + and /.
-type Encoding struct {
-	encode    string
-	decodeMap [256]byte
-}
-
-const encodeStd = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
-const encodeURL = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"
-
-// NewEncoding returns a new Encoding defined by the given alphabet,
-// which must be a 64-byte string.
-func NewEncoding(encoder string) *Encoding {
-	e := new(Encoding)
-	e.encode = encoder
-	for i := 0; i < len(e.decodeMap); i++ {
-		e.decodeMap[i] = 0xFF
-	}
-	for i := 0; i < len(encoder); i++ {
-		e.decodeMap[encoder[i]] = byte(i)
-	}
-	return e
-}
-
-// StdEncoding is the standard base64 encoding, as defined in
-// RFC 4648.
-var StdEncoding = NewEncoding(encodeStd)
-
-// URLEncoding is the alternate base64 encoding defined in RFC 4648.
-// It is typically used in URLs and file names.
-var URLEncoding = NewEncoding(encodeURL)
-
-/*
- * Encoder
- */
-
-// Encode encodes src using the encoding enc, writing
-// EncodedLen(len(src)) bytes to dst.
-//
-// The encoding pads the output to a multiple of 4 bytes,
-// so Encode is not appropriate for use on individual blocks
-// of a large data stream.  Use NewEncoder() instead.
-func (enc *Encoding) Encode(dst, src []byte) {
-	if len(src) == 0 {
-		return
-	}
-
-	for len(src) > 0 {
-		dst[0] = 0
-		dst[1] = 0
-		dst[2] = 0
-		dst[3] = 0
-
-		// Unpack 4x 6-bit source blocks into a 4 byte
-		// destination quantum
-		switch len(src) {
-		default:
-			dst[3] |= src[2] & 0x3F
-			dst[2] |= src[2] >> 6
-			fallthrough
-		case 2:
-			dst[2] |= (src[1] << 2) & 0x3F
-			dst[1] |= src[1] >> 4
-			fallthrough
-		case 1:
-			dst[1] |= (src[0] << 4) & 0x3F
-			dst[0] |= src[0] >> 2
-		}
-
-		// Encode 6-bit blocks using the base64 alphabet
-		for j := 0; j < 4; j++ {
-			dst[j] = enc.encode[dst[j]]
-		}
-
-		// Pad the final quantum
-		if len(src) < 3 {
-			dst[3] = '='
-			if len(src) < 2 {
-				dst[2] = '='
-			}
-			break
-		}
-
-		src = src[3:]
-		dst = dst[4:]
-	}
-}
-
-// EncodeToString returns the base64 encoding of src.
-func (enc *Encoding) EncodeToString(src []byte) string {
-	buf := make([]byte, enc.EncodedLen(len(src)))
-	enc.Encode(buf, src)
-	return string(buf)
-}
-
-type encoder struct {
-	err  error
-	enc  *Encoding
-	w    io.Writer
-	buf  [3]byte    // buffered data waiting to be encoded
-	nbuf int        // number of bytes in buf
-	out  [1024]byte // output buffer
-}
-
-func (e *encoder) Write(p []byte) (n int, err error) {
-	if e.err != nil {
-		return 0, e.err
-	}
-
-	// Leading fringe.
-	if e.nbuf > 0 {
-		var i int
-		for i = 0; i < len(p) && e.nbuf < 3; i++ {
-			e.buf[e.nbuf] = p[i]
-			e.nbuf++
-		}
-		n += i
-		p = p[i:]
-		if e.nbuf < 3 {
-			return
-		}
-		e.enc.Encode(e.out[0:], e.buf[0:])
-		if _, e.err = e.w.Write(e.out[0:4]); e.err != nil {
-			return n, e.err
-		}
-		e.nbuf = 0
-	}
-
-	// Large interior chunks.
-	for len(p) >= 3 {
-		nn := len(e.out) / 4 * 3
-		if nn > len(p) {
-			nn = len(p)
-		}
-		nn -= nn % 3
-		if nn > 0 {
-			e.enc.Encode(e.out[0:], p[0:nn])
-			if _, e.err = e.w.Write(e.out[0 : nn/3*4]); e.err != nil {
-				return n, e.err
-			}
-		}
-		n += nn
-		p = p[nn:]
-	}
-
-	// Trailing fringe.
-	for i := 0; i < len(p); i++ {
-		e.buf[i] = p[i]
-	}
-	e.nbuf = len(p)
-	n += len(p)
-	return
-}
-
-// Close flushes any pending output from the encoder.
-// It is an error to call Write after calling Close.
-func (e *encoder) Close() error {
-	// If there's anything left in the buffer, flush it out
-	if e.err == nil && e.nbuf > 0 {
-		e.enc.Encode(e.out[0:], e.buf[0:e.nbuf])
-		e.nbuf = 0
-		_, e.err = e.w.Write(e.out[0:4])
-	}
-	return e.err
-}
-
-// NewEncoder returns a new base64 stream encoder.  Data written to
-// the returned writer will be encoded using enc and then written to w.
-// Base64 encodings operate in 4-byte blocks; when finished
-// writing, the caller must Close the returned encoder to flush any
-// partially written blocks.
-func NewEncoder(enc *Encoding, w io.Writer) io.WriteCloser {
-	return &encoder{enc: enc, w: w}
-}
-
-// EncodedLen returns the length in bytes of the base64 encoding
-// of an input buffer of length n.
-func (enc *Encoding) EncodedLen(n int) int { return (n + 2) / 3 * 4 }
-
-/*
- * Decoder
- */
-
-type CorruptInputError int64
-
-func (e CorruptInputError) Error() string {
-	return "illegal base64 data at input byte " + strconv.FormatInt(int64(e), 10)
-}
-
-// decode is like Decode but returns an additional 'end' value, which
-// indicates if end-of-message padding was encountered and thus any
-// additional data is an error.
-func (enc *Encoding) decode(dst, src []byte) (n int, end bool, err error) {
-	osrc := src
-	for len(src) > 0 && !end {
-		// Decode quantum using the base64 alphabet
-		var dbuf [4]byte
-		dlen := 4
-
-		for j := 0; j < 4; {
-			if len(src) == 0 {
-				return n, false, CorruptInputError(len(osrc) - len(src) - j)
-			}
-			in := src[0]
-			src = src[1:]
-			if in == '\r' || in == '\n' {
-				// Ignore this character.
-				continue
-			}
-			if in == '=' && j >= 2 && len(src) < 4 {
-				// We've reached the end and there's
-				// padding
-				if len(src) == 0 && j == 2 {
-					// not enough padding
-					return n, false, CorruptInputError(len(osrc))
-				}
-				if len(src) > 0 && src[0] != '=' {
-					// incorrect padding
-					return n, false, CorruptInputError(len(osrc) - len(src) - 1)
-				}
-				dlen = j
-				end = true
-				break
-			}
-			dbuf[j] = enc.decodeMap[in]
-			if dbuf[j] == 0xFF {
-				return n, false, CorruptInputError(len(osrc) - len(src) - 1)
-			}
-			j++
-		}
-
-		// Pack 4x 6-bit source blocks into 3 byte destination
-		// quantum
-		switch dlen {
-		case 4:
-			dst[2] = dbuf[2]<<6 | dbuf[3]
-			fallthrough
-		case 3:
-			dst[1] = dbuf[1]<<4 | dbuf[2]>>2
-			fallthrough
-		case 2:
-			dst[0] = dbuf[0]<<2 | dbuf[1]>>4
-		}
-		dst = dst[3:]
-		n += dlen - 1
-	}
-
-	return n, end, nil
-}
-
-// Decode decodes src using the encoding enc.  It writes at most
-// DecodedLen(len(src)) bytes to dst and returns the number of bytes
-// written.  If src contains invalid base64 data, it will return the
-// number of bytes successfully written and CorruptInputError.
-// New line characters (\r and \n) are ignored.
-func (enc *Encoding) Decode(dst, src []byte) (n int, err error) {
-	n, _, err = enc.decode(dst, src)
-	return
-}
-
-// DecodeString returns the bytes represented by the base64 string s.
-func (enc *Encoding) DecodeString(s string) ([]byte, error) {
-	dbuf := make([]byte, enc.DecodedLen(len(s)))
-	n, err := enc.Decode(dbuf, []byte(s))
-	return dbuf[:n], err
-}
-
-type decoder struct {
-	err    error
-	enc    *Encoding
-	r      io.Reader
-	end    bool       // saw end of message
-	buf    [1024]byte // leftover input
-	nbuf   int
-	out    []byte // leftover decoded output
-	outbuf [1024 / 4 * 3]byte
-}
-
-func (d *decoder) Read(p []byte) (n int, err error) {
-	if d.err != nil {
-		return 0, d.err
-	}
-
-	// Use leftover decoded output from last read.
-	if len(d.out) > 0 {
-		n = copy(p, d.out)
-		d.out = d.out[n:]
-		return n, nil
-	}
-
-	// Read a chunk.
-	nn := len(p) / 3 * 4
-	if nn < 4 {
-		nn = 4
-	}
-	if nn > len(d.buf) {
-		nn = len(d.buf)
-	}
-	nn, d.err = io.ReadAtLeast(d.r, d.buf[d.nbuf:nn], 4-d.nbuf)
-	d.nbuf += nn
-	if d.err != nil || d.nbuf < 4 {
-		return 0, d.err
-	}
-
-	// Decode chunk into p, or d.out and then p if p is too small.
-	nr := d.nbuf / 4 * 4
-	nw := d.nbuf / 4 * 3
-	if nw > len(p) {
-		nw, d.end, d.err = d.enc.decode(d.outbuf[0:], d.buf[0:nr])
-		d.out = d.outbuf[0:nw]
-		n = copy(p, d.out)
-		d.out = d.out[n:]
-	} else {
-		n, d.end, d.err = d.enc.decode(p, d.buf[0:nr])
-	}
-	d.nbuf -= nr
-	for i := 0; i < d.nbuf; i++ {
-		d.buf[i] = d.buf[i+nr]
-	}
-
-	if d.err == nil {
-		d.err = err
-	}
-	return n, d.err
-}
-
-// NewDecoder constructs a new base64 stream decoder.
-func NewDecoder(enc *Encoding, r io.Reader) io.Reader {
-	return &decoder{enc: enc, r: r}
-}
-
-// DecodedLen returns the maximum length in bytes of the decoded data
-// corresponding to n bytes of base64-encoded data.
-func (enc *Encoding) DecodedLen(n int) int { return n / 4 * 3 }