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// Copyright 2014 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_FILES_SCOPED_FILE_H_
#define BASE_FILES_SCOPED_FILE_H_
#include <stdio.h>
#include <memory>
#include "base/base_export.h"
#include "base/logging.h"
#include "base/scoped_generic.h"
#include "build/build_config.h"
namespace base {
namespace internal {
#if defined(OS_POSIX)
struct BASE_EXPORT ScopedFDCloseTraits {
static int InvalidValue() {
return -1;
}
static void Free(int fd);
};
#endif
// Functor for |ScopedFILE| (below).
struct ScopedFILECloser {
inline void operator()(FILE* x) const {
if (x)
fclose(x);
}
};
} // namespace internal
// -----------------------------------------------------------------------------
#if defined(OS_POSIX)
// A low-level Posix file descriptor closer class. Use this when writing
// platform-specific code, especially that does non-file-like things with the
// FD (like sockets).
//
// If you're writing low-level Windows code, see base/win/scoped_handle.h
// which provides some additional functionality.
//
// If you're writing cross-platform code that deals with actual files, you
// should generally use base::File instead which can be constructed with a
// handle, and in addition to handling ownership, has convenient cross-platform
// file manipulation functions on it.
typedef ScopedGeneric<int, internal::ScopedFDCloseTraits> ScopedFD;
#endif
// Automatically closes |FILE*|s.
typedef std::unique_ptr<FILE, internal::ScopedFILECloser> ScopedFILE;
} // namespace base
#endif // BASE_FILES_SCOPED_FILE_H_
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