blob: bce07a805f86ea4b10a2288e582af581e4faeb1a [file] [log] [blame]
// Copyright (c) 2012 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.
#include "base/files/file_util.h"
#import <Foundation/Foundation.h>
#include <copyfile.h>
#include <stdlib.h>
#include <string.h>
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/mac/foundation_util.h"
#include "base/strings/string_util.h"
#include "base/threading/scoped_blocking_call.h"
namespace base {
bool CopyFile(const FilePath& from_path, const FilePath& to_path) {
ScopedBlockingCall scoped_blocking_call(BlockingType::MAY_BLOCK);
if (from_path.ReferencesParent() || to_path.ReferencesParent())
return false;
return (copyfile(from_path.value().c_str(),
to_path.value().c_str(), NULL, COPYFILE_DATA) == 0);
bool GetTempDir(base::FilePath* path) {
// In order to facilitate hermetic runs on macOS, first check
// $MAC_CHROMIUM_TMPDIR. We check this instead of $TMPDIR because external
// programs currently set $TMPDIR with no effect, but when we respect it
// directly it can cause crashes (like
const char* env_tmpdir = getenv("MAC_CHROMIUM_TMPDIR");
if (env_tmpdir) {
DCHECK_LT(strlen(env_tmpdir), 50u)
<< "too-long TMPDIR causes socket name length issues.";
*path = base::FilePath(env_tmpdir);
return true;
// If we didn't find it, fall back to the native function.
NSString* tmp = NSTemporaryDirectory();
if (tmp == nil)
return false;
*path = base::mac::NSStringToFilePath(tmp);
return true;
FilePath GetHomeDir() {
NSString* tmp = NSHomeDirectory();
if (tmp != nil) {
FilePath mac_home_dir = base::mac::NSStringToFilePath(tmp);
if (!mac_home_dir.empty())
return mac_home_dir;
// Fall back on temp dir if no home directory is defined.
FilePath rv;
if (GetTempDir(&rv))
return rv;
// Last resort.
return FilePath("/tmp");
} // namespace base