mirror of
https://github.com/chromium/crashpad.git
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102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
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// Copyright 2015 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "util/test/paths.h"
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#include <stdlib.h>
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#include <sys/stat.h>
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#include "base/logging.h"
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#include "build/build_config.h"
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namespace crashpad {
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namespace test {
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namespace {
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bool IsTestDataRoot(const base::FilePath& candidate) {
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const base::FilePath marker_path =
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candidate.Append(FILE_PATH_LITERAL("util"))
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.Append(FILE_PATH_LITERAL("test"))
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.Append(FILE_PATH_LITERAL("paths_test_data_root.txt"));
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#if !defined(OS_WIN)
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struct stat stat_buf;
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int rv = stat(marker_path.value().c_str(), &stat_buf);
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#else
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struct _stat stat_buf;
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int rv = _wstat(marker_path.value().c_str(), &stat_buf);
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#endif
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return rv == 0;
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}
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base::FilePath TestDataRootInternal() {
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#if !defined(OS_WIN)
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const char* environment_value = getenv("CRASHPAD_TEST_DATA_ROOT");
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#else // defined(OS_WIN)
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const wchar_t* environment_value = _wgetenv(L"CRASHPAD_TEST_DATA_ROOT");
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#endif
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if (environment_value) {
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// It was specified explicitly, so use it even if it seems incorrect.
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if (!IsTestDataRoot(base::FilePath(environment_value))) {
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LOG(WARNING) << "CRASHPAD_TEST_DATA_ROOT seems invalid, honoring anyway";
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}
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return base::FilePath(environment_value);
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}
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// In a standalone build, the test executable is usually at
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// out/{Debug,Release} relative to the Crashpad root.
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const base::FilePath executable = Paths::Executable();
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base::FilePath candidate =
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base::FilePath(executable.DirName()
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.Append(base::FilePath::kParentDirectory)
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.Append(base::FilePath::kParentDirectory));
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if (IsTestDataRoot(candidate)) {
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return candidate;
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}
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// In an in-Chromium build, the test executable is usually at
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// out/{Debug,Release} relative to the Chromium root, and the Crashpad root is
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// at third_party/crashpad/crashpad relative to the Chromium root.
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candidate = candidate.Append(FILE_PATH_LITERAL("third_party"))
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.Append(FILE_PATH_LITERAL("crashpad"))
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.Append(FILE_PATH_LITERAL("crashpad"));
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if (IsTestDataRoot(candidate)) {
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return candidate;
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}
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// If nothing else worked, use the current directory, issuing a warning if it
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// doesn’t seem right.
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if (!IsTestDataRoot(base::FilePath(base::FilePath::kCurrentDirectory))) {
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LOG(WARNING) << "could not locate a valid test data root";
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}
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return base::FilePath(base::FilePath::kCurrentDirectory);
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}
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} // namespace
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// static
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base::FilePath Paths::TestDataRoot() {
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static base::FilePath* test_data_root =
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new base::FilePath(TestDataRootInternal());
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return *test_data_root;
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}
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} // namespace test
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} // namespace crashpad
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