From 33d2b495c5656b060d835bd395a5c736bd7f1e6a Mon Sep 17 00:00:00 2001
From: Shenghou Ma <minux.ma@gmail.com>
Date: Sat, 30 Jun 2012 12:40:07 +0800
Subject: [PATCH] cmd/cgo: generate definitions for GoSlice         Fixes
 #3741.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6308076
---
 misc/cgo/test/issue3741.go | 22 ++++++++++++++++++++++
 src/cmd/cgo/out.go         |  1 +
 2 files changed, 23 insertions(+)
 create mode 100644 misc/cgo/test/issue3741.go

diff --git a/misc/cgo/test/issue3741.go b/misc/cgo/test/issue3741.go
new file mode 100644
index 0000000000..3d3bbf951e
--- /dev/null
+++ b/misc/cgo/test/issue3741.go
@@ -0,0 +1,22 @@
+// Copyright 2012 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cgotest
+
+import "C"
+
+//export exportSliceIn
+func exportSliceIn(s []byte) bool {
+	return len(s) == cap(s)
+}
+
+//export exportSliceOut
+func exportSliceOut() []byte {
+	return []byte{1}
+}
+
+//export exportSliceInOut
+func exportSliceInOut(s []byte) []byte {
+	return s
+}
diff --git a/src/cmd/cgo/out.go b/src/cmd/cgo/out.go
index 44f9f30680..2ab974c979 100644
--- a/src/cmd/cgo/out.go
+++ b/src/cmd/cgo/out.go
@@ -958,4 +958,5 @@ typedef struct { char *p; int n; } GoString;
 typedef void *GoMap;
 typedef void *GoChan;
 typedef struct { void *t; void *v; } GoInterface;
+typedef struct { void *data; int len; int cap; } GoSlice;
 `
-- 
2.48.1