libgo: Update to weekly.2011-12-02.

[pf3gnuchains/gcc-fork.git] / libgo / go / crypto / md4 / md4.go

diff --git a/libgo/go/crypto/md4/md4.go b/libgo/go/crypto/md4/md4.go
index f21cc51..e51e8be 100644 (file)
--- a/libgo/go/crypto/md4/md4.go
+++ b/libgo/go/crypto/md4/md4.go
@@ -77,7 +77,7 @@ func (d *digest) Write(p []byte) (nn int, err error) {
        return
 }
 
-func (d0 *digest) Sum() []byte {
+func (d0 *digest) Sum(in []byte) []byte {
        // Make a copy of d0, so that caller can keep writing and summing.
        d := new(digest)
        *d = *d0
@@ -103,14 +103,11 @@ func (d0 *digest) Sum() []byte {
                panic("d.nx != 0")
        }
 
-       p := make([]byte, 16)
-       j := 0
        for _, s := range d.s {
-               p[j+0] = byte(s >> 0)
-               p[j+1] = byte(s >> 8)
-               p[j+2] = byte(s >> 16)
-               p[j+3] = byte(s >> 24)
-               j += 4
+               in = append(in, byte(s>>0))
+               in = append(in, byte(s>>8))
+               in = append(in, byte(s>>16))
+               in = append(in, byte(s>>24))
        }
-       return p
+       return in
 }