| /* |
| * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "fileutils.h" |
| |
| #ifdef WIN32 |
| #include <direct.h> |
| #define GET_CURRENT_DIR _getcwd |
| #define PATH_DELIMITER "\\" |
| #else |
| #include <unistd.h> |
| #define GET_CURRENT_DIR getcwd |
| #define PATH_DELIMITER "/" |
| #endif |
| |
| #include <cstdio> |
| |
| namespace webrtc { |
| namespace test { |
| |
| // The file we're looking for to identify the project root dir. |
| static const char* kProjectRootFileName = "DEPS"; |
| const char* kCannotFindProjectRootDir = "ERROR_CANNOT_FIND_PROJECT_ROOT_DIR"; |
| |
| std::string GetProjectRootPath() { |
| char path_buffer[FILENAME_MAX]; |
| if (!GET_CURRENT_DIR(path_buffer, sizeof(path_buffer))) { |
| fprintf(stderr, "Cannot get current directory!\n"); |
| return kCannotFindProjectRootDir; |
| } |
| |
| // Check for our file that verifies the root dir. |
| std::string current_path(path_buffer); |
| FILE* file = NULL; |
| int path_delimiter_index = current_path.find_last_of(PATH_DELIMITER); |
| while (path_delimiter_index > -1) { |
| std::string root_filename = current_path + PATH_DELIMITER + |
| kProjectRootFileName; |
| file = fopen(root_filename.c_str(), "r"); |
| if (file != NULL) { |
| return current_path + PATH_DELIMITER; |
| } |
| |
| // Move up one directory in the directory tree. |
| current_path = current_path.substr(0, path_delimiter_index); |
| path_delimiter_index = current_path.find_last_of(PATH_DELIMITER); |
| } |
| |
| // Reached the root directory. |
| fprintf(stderr, "Cannot find project root directory!\n"); |
| return kCannotFindProjectRootDir; |
| } |
| |
| } // namespace webrtc |
| } // namespace test |