chromium/base/test/test_file_util_posix.cc

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/test/test_file_util.h"

#include <errno.h>
#include <fcntl.h>
#include <stddef.h>
#include <sys/types.h>
#include <unistd.h>

#include <string>

#include "base/check_op.h"
#include "base/files/file.h"
#include "base/files/file_util.h"
#include "base/notimplemented.h"
#include "base/notreached.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"

namespace base {

namespace {

// Deny |permission| on the file |path|.
bool DenyFilePermission(const FilePath& path, mode_t permission) { … }

// Gets a blob indicating the permission information for |path|.
// |length| is the length of the blob.  Zero on failure.
// Returns the blob pointer, or NULL on failure.
void* GetPermissionInfo(const FilePath& path, size_t* length) { … }

// Restores the permission information for |path|, given the blob retrieved
// using |GetPermissionInfo()|.
// |info| is the pointer to the blob.
// |length| is the length of the blob.
// Either |info| or |length| may be NULL/0, in which case nothing happens.
bool RestorePermissionInfo(const FilePath& path, void* info, size_t length) { … }

}  // namespace

bool DieFileDie(const FilePath& file, bool recurse) { … }

void SyncPageCacheToDisk() { … }

#if !BUILDFLAG(IS_LINUX) && !BUILDFLAG(IS_CHROMEOS) && !BUILDFLAG(IS_APPLE) && \
    !BUILDFLAG(IS_ANDROID)
bool EvictFileFromSystemCache(const FilePath& file) {
  // There doesn't seem to be a POSIX way to cool the disk cache.
  NOTIMPLEMENTED();
  return false;
}
#endif

bool MakeFileUnreadable(const FilePath& path) { … }

bool MakeFileUnwritable(const FilePath& path) { … }

FilePermissionRestorer::FilePermissionRestorer(const FilePath& path)
    : … { … }

FilePermissionRestorer::~FilePermissionRestorer() { … }

}  // namespace base