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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/hash.go
parentdf1304ee03f41aed179545d1e8b4684cfd22bbdf (diff)
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libgo: Update to weekly.2012-01-20.
From-SVN: r183540
Diffstat (limited to 'libgo/go/hash/hash.go')
-rw-r--r--libgo/go/hash/hash.go6
1 files changed, 6 insertions, 0 deletions
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.