gob: slightly simpler code for encodeUint

R=r CC=golang-dev https://golang.org/cl/5077047

gob: slightly simpler code for encodeUint
R=r CC=golang-dev https://golang.org/cl/5077047
91a48115 · Robert Griesemer · d16ceca5 · 91a48115
Commit 91a48115 authored Sep 21, 2011 by Robert Griesemer
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Showing with 6 additions and 7 deletions

encode.go src/pkg/gob/encode.go +6 -7

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--- a/src/pkg/gob/encode.go
+++ b/src/pkg/gob/encode.go
@@ -59,15 +59,14 @@ func (state *encoderState) encodeUint(x uint64) {
 		}
 		return
 	}
-	var n, m int
+	i := uint64Size
-	m = uint64Size
+	for x > 0 {
-	for n = 1; x > 0; n++ {
+		state.buf[i] = uint8(x)
-		state.buf[m] = uint8(x)
 		x >>= 8
-		m--
+		i--
 	}
-	state.buf[m] = uint8(-(n - 1))
+	state.buf[i] = uint8(i - uint64Size) // = loop count, negated
-	n, err := state.b.Write(state.buf[m : uint64Size+1])
+	_, err := state.b.Write(state.buf[i : uint64Size+1])
 	if err != nil {
 		error(err)
 	}