From b7c73110b10a28cf33c45ae7117fa4f6e52871a7 Mon Sep 17 00:00:00 2001 From: Rob Pike Date: Thu, 9 Dec 2010 11:01:32 -0500 Subject: [PATCH] gob: fix bug sending zero-length top-level slices and maps Fixes #1278. R=rsc CC=golang-dev https://golang.org/cl/3434046 --- src/pkg/gob/encode.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/pkg/gob/encode.go b/src/pkg/gob/encode.go index 7393866802..db1f136f10 100644 --- a/src/pkg/gob/encode.go +++ b/src/pkg/gob/encode.go @@ -473,7 +473,7 @@ func (enc *Encoder) encOpFor(rt reflect.Type) (encOp, int) { elemOp, indir := enc.encOpFor(t.Elem()) op = func(i *encInstr, state *encoderState, p unsafe.Pointer) { slice := (*reflect.SliceHeader)(p) - if slice.Len == 0 { + if !state.sendZero && slice.Len == 0 { return } state.update(i) @@ -495,7 +495,7 @@ func (enc *Encoder) encOpFor(rt reflect.Type) (encOp, int) { // the iteration. v := reflect.NewValue(unsafe.Unreflect(t, unsafe.Pointer((p)))) mv := reflect.Indirect(v).(*reflect.MapValue) - if mv.Len() == 0 { + if !state.sendZero && mv.Len() == 0 { return } state.update(i) -- 2.50.0