ifdef OS_NAME -> if defined(OS_NAME)

courgette/memory_allocator.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COURGETTE_MEMORY_ALLOCATOR_H_
 #define COURGETTE_MEMORY_ALLOCATOR_H_
 
 #include <memory>
 
 #include "base/basictypes.h"
@@ skipping 37 matching lines @@
   T value_;
   mutable bool checked_;
 };
 typedef CheckReturnValue<bool> CheckBool;
 #else
 typedef bool CheckBool;
 #endif
 
 namespace courgette {
 
-#ifdef OS_WIN
+#if defined(OS_WIN)
 
 // Manages a temporary file.  The file is created in the %TEMP% folder and
 // is deleted when the file handle is closed.
 // NOTE: Since the file will be used as backing for a memory allocation,
 // it will never be so big that size_t cannot represent its size.
 class TempFile {
  public:
   TempFile();
   ~TempFile();
 
@@ skipping 412 matching lines @@
  protected:
   T* buffer_;
   size_t size_;  // how much of the buffer we're using.
   size_t alloc_size_;  // how much space we have allocated.
   Allocator alloc_;
 };
 
 }  // namespace courgette
 
 #endif  // COURGETTE_MEMORY_ALLOCATOR_H_