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