base/scoped_handle.h


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// 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 BASE_SCOPED_HANDLE_H_
#define BASE_SCOPED_HANDLE_H_
#pragma once

#include <stdio.h>

#include "base/basictypes.h"

class ScopedStdioHandle {
 public:
  ScopedStdioHandle()
      : handle_(NULL) { }

  explicit ScopedStdioHandle(FILE* handle)
      : handle_(handle) { }

  ~ScopedStdioHandle() {
    Close();
  }

  void Close() {
    if (handle_) {
      fclose(handle_);
      handle_ = NULL;
    }
  }

  FILE* get() const { return handle_; }

  FILE* Take() {
    FILE* temp = handle_;
    handle_ = NULL;
    return temp;
  }

  void Set(FILE* newhandle) {
    Close();
    handle_ = newhandle;
  }

 private:
  FILE* handle_;

  DISALLOW_COPY_AND_ASSIGN(ScopedStdioHandle);
};

#endif  // BASE_SCOPED_HANDLE_H_