// 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 "base/base_export.h" #include "base/logging.h" #include "base/memory/scoped_ptr.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 scoped_ptr<FILE, internal::ScopedFILECloser> ScopedFILE; } // namespace base #endif // BASE_FILES_SCOPED_FILE_H_