diff options
author | Adam Langley <agl@golang.org> | 2010-11-30 16:59:43 -0500 |
---|---|---|
committer | Adam Langley <agl@golang.org> | 2010-11-30 16:59:43 -0500 |
commit | 3cb4bdb9ce7135a107ab35e64b39dab9f22acfa1 (patch) | |
tree | 5d19a4214d838ad9ee4570e387bed51bc8abc25c | |
parent | 287045085dedfb241a4af111b690bc424b74b166 (diff) | |
download | go-3cb4bdb9ce7135a107ab35e64b39dab9f22acfa1.tar.gz go-3cb4bdb9ce7135a107ab35e64b39dab9f22acfa1.zip |
utf8: make EncodeRune's destination the first argument.
R=r
CC=golang-dev
https://golang.org/cl/3364041
-rw-r--r-- | src/pkg/bufio/bufio.go | 2 | ||||
-rw-r--r-- | src/pkg/bufio/bufio_test.go | 4 | ||||
-rw-r--r-- | src/pkg/bytes/buffer.go | 2 | ||||
-rw-r--r-- | src/pkg/bytes/buffer_test.go | 4 | ||||
-rw-r--r-- | src/pkg/bytes/bytes.go | 2 | ||||
-rw-r--r-- | src/pkg/crypto/block/cbc_aes_test.go | 102 | ||||
-rw-r--r-- | src/pkg/crypto/block/ctr_aes_test.go | 110 | ||||
-rw-r--r-- | src/pkg/fmt/print.go | 4 | ||||
-rw-r--r-- | src/pkg/html/escape.go | 2 | ||||
-rw-r--r-- | src/pkg/json/decode.go | 6 | ||||
-rw-r--r-- | src/pkg/regexp/regexp.go | 2 | ||||
-rw-r--r-- | src/pkg/strings/strings.go | 2 | ||||
-rw-r--r-- | src/pkg/utf8/utf8.go | 2 | ||||
-rw-r--r-- | src/pkg/utf8/utf8_test.go | 10 |
14 files changed, 21 insertions, 233 deletions
diff --git a/src/pkg/bufio/bufio.go b/src/pkg/bufio/bufio.go index 7d59fb883c..4e9f1cf3e4 100644 --- a/src/pkg/bufio/bufio.go +++ b/src/pkg/bufio/bufio.go @@ -482,7 +482,7 @@ func (b *Writer) WriteRune(rune int) (size int, err os.Error) { return b.WriteString(string(rune)) } } - size = utf8.EncodeRune(rune, b.buf[b.n:]) + size = utf8.EncodeRune(b.buf[b.n:], rune) b.n += size return size, nil } diff --git a/src/pkg/bufio/bufio_test.go b/src/pkg/bufio/bufio_test.go index ef91d94cae..d84d18768e 100644 --- a/src/pkg/bufio/bufio_test.go +++ b/src/pkg/bufio/bufio_test.go @@ -337,7 +337,7 @@ func TestReadWriteRune(t *testing.T) { // Write the runes out using WriteRune buf := make([]byte, utf8.UTFMax) for rune := 0; rune < NRune; rune++ { - size := utf8.EncodeRune(rune, buf) + size := utf8.EncodeRune(buf, rune) nbytes, err := w.WriteRune(rune) if err != nil { t.Fatalf("WriteRune(0x%x) error: %s", rune, err) @@ -351,7 +351,7 @@ func TestReadWriteRune(t *testing.T) { r := NewReader(byteBuf) // Read them back with ReadRune for rune := 0; rune < NRune; rune++ { - size := utf8.EncodeRune(rune, buf) + size := utf8.EncodeRune(buf, rune) nr, nbytes, err := r.ReadRune() if nr != rune || nbytes != size || err != nil { t.Fatalf("ReadRune(0x%x) got 0x%x,%d not 0x%x,%d (err=%s)", r, nr, nbytes, r, size, err) diff --git a/src/pkg/bytes/buffer.go b/src/pkg/bytes/buffer.go index 6f93869584..b4ad95fc54 100644 --- a/src/pkg/bytes/buffer.go +++ b/src/pkg/bytes/buffer.go @@ -172,7 +172,7 @@ func (b *Buffer) WriteRune(r int) (n int, err os.Error) { b.WriteByte(byte(r)) return 1, nil } - n = utf8.EncodeRune(r, b.runeBytes[0:]) + n = utf8.EncodeRune(b.runeBytes[0:], r) b.Write(b.runeBytes[0:n]) return n, nil } diff --git a/src/pkg/bytes/buffer_test.go b/src/pkg/bytes/buffer_test.go index 1ba77493d6..a95068a320 100644 --- a/src/pkg/bytes/buffer_test.go +++ b/src/pkg/bytes/buffer_test.go @@ -272,7 +272,7 @@ func TestRuneIO(t *testing.T) { var buf Buffer n := 0 for r := 0; r < NRune; r++ { - size := utf8.EncodeRune(r, b[n:]) + size := utf8.EncodeRune(b[n:], r) nbytes, err := buf.WriteRune(r) if err != nil { t.Fatalf("WriteRune(0x%x) error: %s", r, err) @@ -291,7 +291,7 @@ func TestRuneIO(t *testing.T) { // Read it back with ReadRune for r := 0; r < NRune; r++ { - size := utf8.EncodeRune(r, b) + size := utf8.EncodeRune(b, r) nr, nbytes, err := buf.ReadRune() if nr != r || nbytes != size || err != nil { t.Fatalf("ReadRune(0x%x) got 0x%x,%d not 0x%x,%d (err=%s)", r, nr, nbytes, r, size, err) diff --git a/src/pkg/bytes/bytes.go b/src/pkg/bytes/bytes.go index e26b29fb55..d0749870eb 100644 --- a/src/pkg/bytes/bytes.go +++ b/src/pkg/bytes/bytes.go @@ -347,7 +347,7 @@ func Map(mapping func(rune int) int, s []byte) []byte { copy(nb, b[0:nbytes]) b = nb } - nbytes += utf8.EncodeRune(rune, b[nbytes:maxbytes]) + nbytes += utf8.EncodeRune(b[nbytes:maxbytes], rune) } i += wid } diff --git a/src/pkg/crypto/block/cbc_aes_test.go b/src/pkg/crypto/block/cbc_aes_test.go deleted file mode 100644 index 5e8cb35a2d..0000000000 --- a/src/pkg/crypto/block/cbc_aes_test.go +++ /dev/null @@ -1,102 +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. - -// CBC AES test vectors. - -// See U.S. National Institute of Standards and Technology (NIST) -// Special Publication 800-38A, ``Recommendation for Block Cipher -// Modes of Operation,'' 2001 Edition, pp. 24-29. - -package block - -import ( - "bytes" - "crypto/aes" - "io" - "testing" -) - -type cbcTest struct { - name string - key []byte - iv []byte - in []byte - out []byte -} - -var cbcAESTests = []cbcTest{ - // NIST SP 800-38A pp 27-29 - { - "CBC-AES128", - commonKey128, - commonIV, - commonInput, - []byte{ - 0x76, 0x49, 0xab, 0xac, 0x81, 0x19, 0xb2, 0x46, 0xce, 0xe9, 0x8e, 0x9b, 0x12, 0xe9, 0x19, 0x7d, - 0x50, 0x86, 0xcb, 0x9b, 0x50, 0x72, 0x19, 0xee, 0x95, 0xdb, 0x11, 0x3a, 0x91, 0x76, 0x78, 0xb2, - 0x73, 0xbe, 0xd6, 0xb8, 0xe3, 0xc1, 0x74, 0x3b, 0x71, 0x16, 0xe6, 0x9e, 0x22, 0x22, 0x95, 0x16, - 0x3f, 0xf1, 0xca, 0xa1, 0x68, 0x1f, 0xac, 0x09, 0x12, 0x0e, 0xca, 0x30, 0x75, 0x86, 0xe1, 0xa7, - }, - }, - { - "CBC-AES192", - commonKey192, - commonIV, - commonInput, - []byte{ - 0x4f, 0x02, 0x1d, 0xb2, 0x43, 0xbc, 0x63, 0x3d, 0x71, 0x78, 0x18, 0x3a, 0x9f, 0xa0, 0x71, 0xe8, - 0xb4, 0xd9, 0xad, 0xa9, 0xad, 0x7d, 0xed, 0xf4, 0xe5, 0xe7, 0x38, 0x76, 0x3f, 0x69, 0x14, 0x5a, - 0x57, 0x1b, 0x24, 0x20, 0x12, 0xfb, 0x7a, 0xe0, 0x7f, 0xa9, 0xba, 0xac, 0x3d, 0xf1, 0x02, 0xe0, - 0x08, 0xb0, 0xe2, 0x79, 0x88, 0x59, 0x88, 0x81, 0xd9, 0x20, 0xa9, 0xe6, 0x4f, 0x56, 0x15, 0xcd, - }, - }, - { - "CBC-AES256", - commonKey256, - commonIV, - commonInput, - []byte{ - 0xf5, 0x8c, 0x4c, 0x04, 0xd6, 0xe5, 0xf1, 0xba, 0x77, 0x9e, 0xab, 0xfb, 0x5f, 0x7b, 0xfb, 0xd6, - 0x9c, 0xfc, 0x4e, 0x96, 0x7e, 0xdb, 0x80, 0x8d, 0x67, 0x9f, 0x77, 0x7b, 0xc6, 0x70, 0x2c, 0x7d, - 0x39, 0xf2, 0x33, 0x69, 0xa9, 0xd9, 0xba, 0xcf, 0xa5, 0x30, 0xe2, 0x63, 0x04, 0x23, 0x14, 0x61, - 0xb2, 0xeb, 0x05, 0xe2, 0xc3, 0x9b, 0xe9, 0xfc, 0xda, 0x6c, 0x19, 0x07, 0x8c, 0x6a, 0x9d, 0x1b, - }, - }, -} - -func TestCBC_AES(t *testing.T) { - for _, tt := range cbcAESTests { - test := tt.name - - c, err := aes.NewCipher(tt.key) - if err != nil { - t.Errorf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err) - continue - } - - var crypt bytes.Buffer - w := NewCBCEncrypter(c, tt.iv, &crypt) - var r io.Reader = bytes.NewBuffer(tt.in) - n, err := io.Copy(w, r) - if n != int64(len(tt.in)) || err != nil { - t.Errorf("%s: CBCEncrypter io.Copy = %d, %v want %d, nil", test, n, err, len(tt.in)) - } else if d := crypt.Bytes(); !same(tt.out, d) { - t.Errorf("%s: CBCEncrypter\nhave %x\nwant %x", test, d, tt.out) - } - - var plain bytes.Buffer - r = NewCBCDecrypter(c, tt.iv, bytes.NewBuffer(tt.out)) - w = &plain - n, err = io.Copy(w, r) - if n != int64(len(tt.out)) || err != nil { - t.Errorf("%s: CBCDecrypter io.Copy = %d, %v want %d, nil", test, n, err, len(tt.out)) - } else if d := plain.Bytes(); !same(tt.in, d) { - t.Errorf("%s: CBCDecrypter\nhave %x\nwant %x", test, d, tt.in) - } - - if t.Failed() { - break - } - } -} diff --git a/src/pkg/crypto/block/ctr_aes_test.go b/src/pkg/crypto/block/ctr_aes_test.go deleted file mode 100644 index ce5fdd59d1..0000000000 --- a/src/pkg/crypto/block/ctr_aes_test.go +++ /dev/null @@ -1,110 +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. - -// CTR AES test vectors. - -// See U.S. National Institute of Standards and Technology (NIST) -// Special Publication 800-38A, ``Recommendation for Block Cipher -// Modes of Operation,'' 2001 Edition, pp. 55-58. - -package block - -import ( - "bytes" - "crypto/aes" - "io" - "testing" -) - -type ctrTest struct { - name string - key []byte - iv []byte - in []byte - out []byte -} - -var commonCounter = []byte{0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff} - -var ctrAESTests = []ctrTest{ - // NIST SP 800-38A pp 55-58 - { - "CTR-AES128", - commonKey128, - commonCounter, - commonInput, - []byte{ - 0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26, 0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce, - 0x98, 0x06, 0xf6, 0x6b, 0x79, 0x70, 0xfd, 0xff, 0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff, - 0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e, 0x5b, 0x4f, 0x09, 0x02, 0x0d, 0xb0, 0x3e, 0xab, - 0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1, 0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee, - }, - }, - { - "CTR-AES192", - commonKey192, - commonCounter, - commonInput, - []byte{ - 0x1a, 0xbc, 0x93, 0x24, 0x17, 0x52, 0x1c, 0xa2, 0x4f, 0x2b, 0x04, 0x59, 0xfe, 0x7e, 0x6e, 0x0b, - 0x09, 0x03, 0x39, 0xec, 0x0a, 0xa6, 0xfa, 0xef, 0xd5, 0xcc, 0xc2, 0xc6, 0xf4, 0xce, 0x8e, 0x94, - 0x1e, 0x36, 0xb2, 0x6b, 0xd1, 0xeb, 0xc6, 0x70, 0xd1, 0xbd, 0x1d, 0x66, 0x56, 0x20, 0xab, 0xf7, - 0x4f, 0x78, 0xa7, 0xf6, 0xd2, 0x98, 0x09, 0x58, 0x5a, 0x97, 0xda, 0xec, 0x58, 0xc6, 0xb0, 0x50, - }, - }, - { - "CTR-AES256", - commonKey256, - commonCounter, - commonInput, - []byte{ - 0x60, 0x1e, 0xc3, 0x13, 0x77, 0x57, 0x89, 0xa5, 0xb7, 0xa7, 0xf5, 0x04, 0xbb, 0xf3, 0xd2, 0x28, - 0xf4, 0x43, 0xe3, 0xca, 0x4d, 0x62, 0xb5, 0x9a, 0xca, 0x84, 0xe9, 0x90, 0xca, 0xca, 0xf5, 0xc5, - 0x2b, 0x09, 0x30, 0xda, 0xa2, 0x3d, 0xe9, 0x4c, 0xe8, 0x70, 0x17, 0xba, 0x2d, 0x84, 0x98, 0x8d, - 0xdf, 0xc9, 0xc5, 0x8d, 0xb6, 0x7a, 0xad, 0xa6, 0x13, 0xc2, 0xdd, 0x08, 0x45, 0x79, 0x41, 0xa6, - }, - }, -} - -func TestCTR_AES(t *testing.T) { - for _, tt := range ctrAESTests { - test := tt.name - - c, err := aes.NewCipher(tt.key) - if err != nil { - t.Errorf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err) - continue - } - - for j := 0; j <= 5; j += 5 { - var crypt bytes.Buffer - in := tt.in[0 : len(tt.in)-j] - w := NewCTRWriter(c, tt.iv, &crypt) - var r io.Reader = bytes.NewBuffer(in) - n, err := io.Copy(w, r) - if n != int64(len(in)) || err != nil { - t.Errorf("%s/%d: CTRWriter io.Copy = %d, %v want %d, nil", test, len(in), n, err, len(in)) - } else if d, out := crypt.Bytes(), tt.out[0:len(in)]; !same(out, d) { - t.Errorf("%s/%d: CTRWriter\ninpt %x\nhave %x\nwant %x", test, len(in), in, d, out) - } - } - - for j := 0; j <= 7; j += 7 { - var plain bytes.Buffer - out := tt.out[0 : len(tt.out)-j] - r := NewCTRReader(c, tt.iv, bytes.NewBuffer(out)) - w := &plain - n, err := io.Copy(w, r) - if n != int64(len(out)) || err != nil { - t.Errorf("%s/%d: CTRReader io.Copy = %d, %v want %d, nil", test, len(out), n, err, len(out)) - } else if d, in := plain.Bytes(), tt.in[0:len(out)]; !same(in, d) { - t.Errorf("%s/%d: CTRReader\nhave %x\nwant %x", test, len(out), d, in) - } - } - - if t.Failed() { - break - } - } -} diff --git a/src/pkg/fmt/print.go b/src/pkg/fmt/print.go index 24b1eb32e0..3bb14eeb14 100644 --- a/src/pkg/fmt/print.go +++ b/src/pkg/fmt/print.go @@ -120,7 +120,7 @@ func (p *pp) add(c int) { if c < utf8.RuneSelf { p.buf.WriteByte(byte(c)) } else { - w := utf8.EncodeRune(c, p.runeBuf[0:]) + w := utf8.EncodeRune(p.runeBuf[0:], c) p.buf.Write(p.runeBuf[0:w]) } } @@ -300,7 +300,7 @@ func (p *pp) fmtC(c int64) { if int64(rune) != c { rune = utf8.RuneError } - w := utf8.EncodeRune(rune, p.runeBuf[0:utf8.UTFMax]) + w := utf8.EncodeRune(p.runeBuf[0:utf8.UTFMax], rune) p.fmt.pad(p.runeBuf[0:w]) } diff --git a/src/pkg/html/escape.go b/src/pkg/html/escape.go index f30086f367..69acdda698 100644 --- a/src/pkg/html/escape.go +++ b/src/pkg/html/escape.go @@ -32,7 +32,7 @@ func unescapeEntity(b []byte, dst, src int) (dst1, src1 int) { } x := entity[string(s[1:i])] if x != 0 { - return dst + utf8.EncodeRune(x, b[dst:]), src + i + return dst + utf8.EncodeRune(b[dst:], x), src + i } break } diff --git a/src/pkg/json/decode.go b/src/pkg/json/decode.go index b6c575cc84..85d56bbe16 100644 --- a/src/pkg/json/decode.go +++ b/src/pkg/json/decode.go @@ -831,13 +831,13 @@ func unquote(s []byte) (t string, ok bool) { if dec := utf16.DecodeRune(rune, rune1); dec != unicode.ReplacementChar { // A valid pair; consume. r += 6 - w += utf8.EncodeRune(dec, b[w:]) + w += utf8.EncodeRune(b[w:], dec) break } // Invalid surrogate; fall back to replacement rune. rune = unicode.ReplacementChar } - w += utf8.EncodeRune(rune, b[w:]) + w += utf8.EncodeRune(b[w:], rune) } // Quote, control characters are invalid. @@ -854,7 +854,7 @@ func unquote(s []byte) (t string, ok bool) { default: rune, size := utf8.DecodeRune(s[r:]) r += size - w += utf8.EncodeRune(rune, b[w:]) + w += utf8.EncodeRune(b[w:], rune) } } return string(b[0:w]), true diff --git a/src/pkg/regexp/regexp.go b/src/pkg/regexp/regexp.go index d3f03ad790..80bcb46a9f 100644 --- a/src/pkg/regexp/regexp.go +++ b/src/pkg/regexp/regexp.go @@ -674,7 +674,7 @@ Loop: case _BOT, _EOT, _ALT: break Loop } - n := utf8.EncodeRune(inst.(*_Char).char, utf) + n := utf8.EncodeRune(utf, inst.(*_Char).char) b = bytes.Add(b, utf[0:n]) i = inst.next().index() } diff --git a/src/pkg/strings/strings.go b/src/pkg/strings/strings.go index 8bf86dadd0..d8c695226d 100644 --- a/src/pkg/strings/strings.go +++ b/src/pkg/strings/strings.go @@ -317,7 +317,7 @@ func Map(mapping func(rune int) int, s string) string { copy(nb, b[0:nbytes]) b = nb } - nbytes += utf8.EncodeRune(rune, b[nbytes:maxbytes]) + nbytes += utf8.EncodeRune(b[nbytes:maxbytes], rune) } } return string(b[0:nbytes]) diff --git a/src/pkg/utf8/utf8.go b/src/pkg/utf8/utf8.go index dfcdef9613..455499e4d9 100644 --- a/src/pkg/utf8/utf8.go +++ b/src/pkg/utf8/utf8.go @@ -293,7 +293,7 @@ func RuneLen(rune int) int { // EncodeRune writes into p (which must be large enough) the UTF-8 encoding of the rune. // It returns the number of bytes written. -func EncodeRune(rune int, p []byte) int { +func EncodeRune(p []byte, rune int) int { // Negative values are erroneous. Making it unsigned addresses the problem. r := uint(rune) diff --git a/src/pkg/utf8/utf8_test.go b/src/pkg/utf8/utf8_test.go index dc130f606f..ecaf2d872a 100644 --- a/src/pkg/utf8/utf8_test.go +++ b/src/pkg/utf8/utf8_test.go @@ -80,7 +80,7 @@ func TestEncodeRune(t *testing.T) { m := utf8map[i] b := []byte(m.str) var buf [10]byte - n := EncodeRune(m.rune, buf[0:]) + n := EncodeRune(buf[0:], m.rune) b1 := buf[0:n] if !bytes.Equal(b, b1) { t.Errorf("EncodeRune(%#04x) = %q want %q", m.rune, b1, b) @@ -242,9 +242,9 @@ func testSequence(t *testing.T, s string) { // Check that negative runes encode as U+FFFD. func TestNegativeRune(t *testing.T) { errorbuf := make([]byte, UTFMax) - errorbuf = errorbuf[0:EncodeRune(RuneError, errorbuf)] + errorbuf = errorbuf[0:EncodeRune(errorbuf, RuneError)] buf := make([]byte, UTFMax) - buf = buf[0:EncodeRune(-1, buf)] + buf = buf[0:EncodeRune(buf, -1)] if !bytes.Equal(buf, errorbuf) { t.Errorf("incorrect encoding [% x] for -1; expected [% x]", buf, errorbuf) } @@ -289,14 +289,14 @@ func BenchmarkRuneCountTenJapaneseChars(b *testing.B) { func BenchmarkEncodeASCIIRune(b *testing.B) { buf := make([]byte, UTFMax) for i := 0; i < b.N; i++ { - EncodeRune('a', buf) + EncodeRune(buf, 'a') } } func BenchmarkEncodeJapaneseRune(b *testing.B) { buf := make([]byte, UTFMax) for i := 0; i < b.N; i++ { - EncodeRune('本', buf) + EncodeRune(buf, '本') } } |