Minor changes

Add copyright
Return proto.Marshal(fd)
Comments

reflection/serverreflection.go

@@ -185,11 +185,7 @@ func (s *serverReflectionServer) fileDescEncodingByFilename(name string) ([]byte
 	if err != nil {
 		return nil, err
 	}
-	b, err := proto.Marshal(fd)
-	if err != nil {
-		return nil, err
-	}
-	return b, nil
+	return proto.Marshal(fd)
 }
 
 // fileDescEncodingContainingSymbol finds the file descriptor containing the given symbol,
@@ -210,8 +206,7 @@ func (s *serverReflectionServer) fileDescEncodingContainingSymbol(name string) (
 		meta := s.s.ServiceMetadata(name, "")
 		// Check if it's a method name.
 		if meta == nil {
-			pos := strings.LastIndex(name, ".")
-			if pos != -1 {
+			if pos := strings.LastIndex(name, "."); pos != -1 {
 				meta = s.s.ServiceMetadata(name[:pos], name[pos+1:])
 			}
 		}
@@ -225,16 +220,11 @@ func (s *serverReflectionServer) fileDescEncodingContainingSymbol(name string) (
 		}
 	}
 
-	// Marshal to wire format.
-	if fd != nil {
-		b, err := proto.Marshal(fd)
-		if err != nil {
-			return nil, err
-		}
-		return b, nil
-	}
+	if fd == nil {
 		return nil, fmt.Errorf("unknown symbol: %v", name)
 	}
+	return proto.Marshal(fd)
+}
 
 // fileDescEncodingContainingExtension finds the file descriptor containing given extension,
 // does marshalling on it and returns the marshalled result.
@@ -247,11 +237,7 @@ func (s *serverReflectionServer) fileDescEncodingContainingExtension(typeName st
 	if err != nil {
 		return nil, err
 	}
-	b, err := proto.Marshal(fd)
-	if err != nil {
-		return nil, err
-	}
-	return b, nil
+	return proto.Marshal(fd)
 }
 
 // allExtensionNumbersForTypeName returns all extension numbers for the given type.
@@ -268,7 +254,6 @@ func (s *serverReflectionServer) allExtensionNumbersForTypeName(name string) ([]
 }
 
 // ServerReflectionInfo is the reflection service handler.
-// It calls help function for the received request, and sends response back.
 func (s *serverReflectionServer) ServerReflectionInfo(stream rpb.ServerReflection_ServerReflectionInfoServer) error {
 	for {
 		in, err := stream.Recv()

reflection/serverreflection_test.go

@@ -1,3 +1,36 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
 package reflection
 
 import (
@@ -21,7 +54,7 @@ var (
 	fdTest      *dpb.FileDescriptorProto
 	fdProto2    *dpb.FileDescriptorProto
 	fdProto2Ext *dpb.FileDescriptorProto
-	// fileDescriptor marshelled.
+	// fileDescriptor marshalled.
 	fdTestByte      []byte
 	fdProto2Byte    []byte
 	fdProto2ExtByte []byte