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// 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/files/file_util.h"
#import <Foundation/Foundation.h>
#include <copyfile.h>
#include <stdlib.h>
#include <string.h>
#include "base/apple/foundation_util.h"
#include "base/check_op.h"
#include "base/files/file_path.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(FROM_HERE, BlockingType::MAY_BLOCK);
if (from_path.ReferencesParent() || to_path.ReferencesParent()) {
return false;
}
return (copyfile(from_path.value().c_str(), to_path.value().c_str(),
/*state=*/nullptr, COPYFILE_DATA) == 0);
}
bool GetTempDir(base::FilePath* path) {
// In order to facilitate hermetic runs on macOS, first check
// MAC_CHROMIUM_TMPDIR. This is used instead of TMPDIR for historical reasons.
// This was originally done for https://crbug.com/698759 (TMPDIR too long for
// process singleton socket path), but is hopefully obsolete as of
// https://crbug.com/1266817 (allows a longer process singleton socket path).
// Continue tracking MAC_CHROMIUM_TMPDIR as that's what build infrastructure
// sets on macOS.
const char* env_tmpdir = getenv("MAC_CHROMIUM_TMPDIR");
if (env_tmpdir) {
*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::apple::NSStringToFilePath(tmp);
return true;
}
FilePath GetHomeDir() {
NSString* tmp = NSHomeDirectory();
if (tmp != nil) {
FilePath mac_home_dir = base::apple::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
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