From 10d1680efb10333f1e8280b1f812dd83ca9b0eee Mon Sep 17 00:00:00 2001
From: Albert Strasheim <fullung@gmail.com>
Date: Thu, 21 Apr 2011 17:02:52 -0400
Subject: [PATCH] cgo: avoid "incompatible pointer type" warning

R=rsc
CC=golang-dev
https://golang.org/cl/4409041
---
 src/cmd/cgo/out.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/cmd/cgo/out.go b/src/cmd/cgo/out.go
index abf8c8bc203..bbc319f103c 100644
--- a/src/cmd/cgo/out.go
+++ b/src/cmd/cgo/out.go
@@ -312,8 +312,11 @@ func (p *Package) writeOutputFunc(fgcc *os.File, n *Name) {
 	}
 	fmt.Fprintf(fgcc, "\t%s *a = v;\n", ctype)
 	fmt.Fprintf(fgcc, "\t")
-	if n.FuncType.Result != nil {
+	if t := n.FuncType.Result; t != nil {
 		fmt.Fprintf(fgcc, "a->r = ")
+		if c := t.C.String(); c[len(c)-1] == '*' {
+			fmt.Fprintf(fgcc, "(const %s) ", t.C)
+		}
 	}
 	fmt.Fprintf(fgcc, "%s(", n.C)
 	for i := range n.FuncType.Params {