| // 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 crbug.com/698759). |
| 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 |