Update to current version of Go library.

From-SVN: r173931

7 files changed, 27 insertions, 11 deletions

diff --git a/libgo/go/hash/adler32/adler32.go b/libgo/go/hash/adler32/adler32.go
index cd0c259..84943d9 100644
--- a/libgo/go/hash/adler32/adler32.go
+++ b/libgo/go/hash/adler32/adler32.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// This package implements the Adler-32 checksum.
+// Package adler32 implements the Adler-32 checksum.
 // Defined in RFC 1950:
 //	Adler-32 is composed of two sums accumulated per byte: s1 is
 //	the sum of all bytes, s2 is the sum of all s1 values. Both sums
@@ -43,8 +43,8 @@ func (d *digest) Size() int { return Size }
 
 // Add p to the running checksum a, b.
 func update(a, b uint32, p []byte) (aa, bb uint32) {
-	for i := 0; i < len(p); i++ {
-		a += uint32(p[i])
+	for _, pi := range p {
+		a += uint32(pi)
 		b += a
 		// invariant: a <= b
 		if b > (0xffffffff-255)/2 {
diff --git a/libgo/go/hash/adler32/adler32_test.go b/libgo/go/hash/adler32/adler32_test.go
index ffa5569..01f931c 100644
--- a/libgo/go/hash/adler32/adler32_test.go
+++ b/libgo/go/hash/adler32/adler32_test.go
@@ -5,6 +5,7 @@
 package adler32
 
 import (
+	"bytes"
 	"io"
 	"testing"
 )
@@ -61,3 +62,16 @@ func TestGolden(t *testing.T) {
 		}
 	}
 }
+
+func BenchmarkGolden(b *testing.B) {
+	b.StopTimer()
+	c := New()
+	var buf bytes.Buffer
+	for _, g := range golden {
+		buf.Write([]byte(g.in))
+	}
+	b.StartTimer()
+	for i := 0; i < b.N; i++ {
+		c.Write(buf.Bytes())
+	}
+}
diff --git a/libgo/go/hash/crc32/crc32.go b/libgo/go/hash/crc32/crc32.go
index 2ab0c54..88a4499 100644
--- a/libgo/go/hash/crc32/crc32.go
+++ b/libgo/go/hash/crc32/crc32.go
@@ -2,8 +2,9 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// This package implements the 32-bit cyclic redundancy check, or CRC-32, checksum.
-// See http://en.wikipedia.org/wiki/Cyclic_redundancy_check for information.
+// Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32,
+// checksum. See http://en.wikipedia.org/wiki/Cyclic_redundancy_check for
+// information.
 package crc32
 
 import (
diff --git a/libgo/go/hash/crc64/crc64.go b/libgo/go/hash/crc64/crc64.go
index 8443865..ae37e78 100644
--- a/libgo/go/hash/crc64/crc64.go
+++ b/libgo/go/hash/crc64/crc64.go
@@ -2,8 +2,9 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// This package implements the 64-bit cyclic redundancy check, or CRC-64, checksum.
-// See http://en.wikipedia.org/wiki/Cyclic_redundancy_check for information.
+// Package crc64 implements the 64-bit cyclic redundancy check, or CRC-64,
+// checksum. See http://en.wikipedia.org/wiki/Cyclic_redundancy_check for
+// information.
 package crc64
 
 import (
diff --git a/libgo/go/hash/fnv/fnv.go b/libgo/go/hash/fnv/fnv.go
index 66ab5a6..9a1c6a0 100644
--- a/libgo/go/hash/fnv/fnv.go
+++ b/libgo/go/hash/fnv/fnv.go
@@ -2,9 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// The fnv package implements FNV-1 and FNV-1a,
-// non-cryptographic hash functions created by
-// Glenn Fowler, Landon Curt Noll, and Phong Vo.
+// Package fnv implements FNV-1 and FNV-1a, non-cryptographic hash functions
+// created by Glenn Fowler, Landon Curt Noll, and Phong Vo.
 // See http://isthe.com/chongo/tech/comp/fnv/.
 package fnv
 
diff --git a/libgo/go/hash/fnv/fnv_test.go b/libgo/go/hash/fnv/fnv_test.go
index 3ea3fe6..429230c 100644
--- a/libgo/go/hash/fnv/fnv_test.go
+++ b/libgo/go/hash/fnv/fnv_test.go
@@ -154,7 +154,7 @@ func benchmark(b *testing.B, h hash.Hash) {
 	b.ResetTimer()
 	b.SetBytes(testDataSize)
 	data := make([]byte, testDataSize)
-	for i, _ := range data {
+	for i := range data {
 		data[i] = byte(i + 'a')
 	}
 
diff --git a/libgo/go/hash/hash.go b/libgo/go/hash/hash.go
index 56ac259..3536c0b 100644
--- a/libgo/go/hash/hash.go
+++ b/libgo/go/hash/hash.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// Package hash provides interfaces for hash functions.
 package hash
 
 import "io"