Correctly handle 0-length byte arrays in IO.

1 files changed, 10 insertions, 6 deletions

diff --git a/proto/io.go b/proto/io.go
index 3c0c5be..1f46503 100644
--- a/proto/io.go
+++ b/proto/io.go
@@ -48,9 +48,11 @@ func Write(fd io.Writer, data interface{}) {
 	case nslcdObject:
 		data.nslcdWrite(fd)
 	case []byte:
-		_, err := fd.Write(data)
-		if err != nil {
-			panic(err)
+		if len(data) > 0 {
+			_, err := fd.Write(data)
+			if err != nil {
+				panic(err)
+			}
 		}
 	case int32:
 		err := binary.Write(fd, binary.BigEndian, data)
@@ -109,9 +111,11 @@ func Read(fd io.Reader, data interface{}) {
 	case nslcdObjectPtr:
 		data.nslcdRead(fd)
 	case *[]byte:
-		_, err := fd.Read(*data)
-		if err != nil {
-			panic(err)
+		if len(*data) > 0 {
+			_, err := fd.Read(*data)
+			if err != nil {
+				panic(err)
+			}
 		}
 	case *int32:
 		err := binary.Read(fd, binary.BigEndian, data)