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authorIan Lance Taylor <ian@gcc.gnu.org>2012-01-25 21:54:22 +0000
committerIan Lance Taylor <ian@gcc.gnu.org>2012-01-25 21:54:22 +0000
commitaf92e385667da3fc91ac7f9f0867a56c111110b8 (patch)
treec8e8990a2197e33f6fe50a28a16714aafe982102 /libgo/go/hash
parentdf1304ee03f41aed179545d1e8b4684cfd22bbdf (diff)
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libgo: Update to weekly.2012-01-20.
From-SVN: r183540
Diffstat (limited to 'libgo/go/hash')
-rw-r--r--libgo/go/hash/adler32/adler32.go2
-rw-r--r--libgo/go/hash/crc32/crc32.go2
-rw-r--r--libgo/go/hash/crc64/crc64.go2
-rw-r--r--libgo/go/hash/fnv/fnv.go5
-rw-r--r--libgo/go/hash/hash.go6
5 files changed, 17 insertions, 0 deletions
diff --git a/libgo/go/hash/adler32/adler32.go b/libgo/go/hash/adler32/adler32.go
index 8103a89..64fe68c 100644
--- a/libgo/go/hash/adler32/adler32.go
+++ b/libgo/go/hash/adler32/adler32.go
@@ -38,6 +38,8 @@ func New() hash.Hash32 {
func (d *digest) Size() int { return Size }
+func (d *digest) BlockSize() int { return 1 }
+
// Add p to the running checksum a, b.
func update(a, b uint32, p []byte) (aa, bb uint32) {
for _, pi := range p {
diff --git a/libgo/go/hash/crc32/crc32.go b/libgo/go/hash/crc32/crc32.go
index 557fab8..236d778 100644
--- a/libgo/go/hash/crc32/crc32.go
+++ b/libgo/go/hash/crc32/crc32.go
@@ -94,6 +94,8 @@ func NewIEEE() hash.Hash32 { return New(IEEETable) }
func (d *digest) Size() int { return Size }
+func (d *digest) BlockSize() int { return 1 }
+
func (d *digest) Reset() { d.crc = 0 }
func update(crc uint32, tab *Table, p []byte) uint32 {
diff --git a/libgo/go/hash/crc64/crc64.go b/libgo/go/hash/crc64/crc64.go
index e5c1db4..5b64390 100644
--- a/libgo/go/hash/crc64/crc64.go
+++ b/libgo/go/hash/crc64/crc64.go
@@ -53,6 +53,8 @@ func New(tab *Table) hash.Hash64 { return &digest{0, tab} }
func (d *digest) Size() int { return Size }
+func (d *digest) BlockSize() int { return 1 }
+
func (d *digest) Reset() { d.crc = 0 }
func update(crc uint64, tab *Table, p []byte) uint64 {
diff --git a/libgo/go/hash/fnv/fnv.go b/libgo/go/hash/fnv/fnv.go
index 2c8a251..ea50198 100644
--- a/libgo/go/hash/fnv/fnv.go
+++ b/libgo/go/hash/fnv/fnv.go
@@ -104,6 +104,11 @@ func (s *sum32a) Size() int { return 4 }
func (s *sum64) Size() int { return 8 }
func (s *sum64a) Size() int { return 8 }
+func (s *sum32) BlockSize() int { return 1 }
+func (s *sum32a) BlockSize() int { return 1 }
+func (s *sum64) BlockSize() int { return 1 }
+func (s *sum64a) BlockSize() int { return 1 }
+
func (s *sum32) Sum(in []byte) []byte {
v := uint32(*s)
in = append(in, byte(v>>24))
diff --git a/libgo/go/hash/hash.go b/libgo/go/hash/hash.go
index 8598f4e..aa895cf 100644
--- a/libgo/go/hash/hash.go
+++ b/libgo/go/hash/hash.go
@@ -22,6 +22,12 @@ type Hash interface {
// Size returns the number of bytes Sum will return.
Size() int
+
+ // BlockSize returns the hash's underlying block size.
+ // The Write method must be able to accept any amount
+ // of data, but it may operate more efficiently if all writes
+ // are a multiple of the block size.
+ BlockSize() int
}
// Hash32 is the common interface implemented by all 32-bit hash functions.