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67 lines
1.9 KiB
Plaintext
67 lines
1.9 KiB
Plaintext
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/files/file_util.h"
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#import <Foundation/Foundation.h>
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#include <copyfile.h>
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#include <stdlib.h>
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#include <string.h>
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#include "base/files/file_path.h"
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#include "base/logging.h"
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#include "base/mac/foundation_util.h"
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#include "base/strings/string_util.h"
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#include "base/threading/thread_restrictions.h"
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namespace base {
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bool CopyFile(const FilePath& from_path, const FilePath& to_path) {
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ThreadRestrictions::AssertIOAllowed();
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if (from_path.ReferencesParent() || to_path.ReferencesParent())
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return false;
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return (copyfile(from_path.value().c_str(),
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to_path.value().c_str(), NULL, COPYFILE_DATA) == 0);
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}
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bool GetTempDir(base::FilePath* path) {
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// In order to facilitate hermetic runs on macOS, first check
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// $MAC_CHROMIUM_TMPDIR. We check this instead of $TMPDIR because external
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// programs currently set $TMPDIR with no effect, but when we respect it
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// directly it can cause crashes (like crbug.com/698759).
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const char* env_tmpdir = getenv("MAC_CHROMIUM_TMPDIR");
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if (env_tmpdir) {
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DCHECK_LT(strlen(env_tmpdir), 50u)
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<< "too-long TMPDIR causes socket name length issues.";
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*path = base::FilePath(env_tmpdir);
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return true;
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}
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// If we didn't find it, fall back to the native function.
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NSString* tmp = NSTemporaryDirectory();
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if (tmp == nil)
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return false;
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*path = base::mac::NSStringToFilePath(tmp);
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return true;
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}
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FilePath GetHomeDir() {
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NSString* tmp = NSHomeDirectory();
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if (tmp != nil) {
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FilePath mac_home_dir = base::mac::NSStringToFilePath(tmp);
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if (!mac_home_dir.empty())
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return mac_home_dir;
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}
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// Fall back on temp dir if no home directory is defined.
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FilePath rv;
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if (GetTempDir(&rv))
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return rv;
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// Last resort.
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return FilePath("/tmp");
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}
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} // namespace base
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