a3344cfda4
R=fbarchard@google.com, harryjin@google.com, henrike@webrtc.org Review URL: https://webrtc-codereview.appspot.com/24429004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@7088 4adac7df-926f-26a2-2b94-8c16560cd09d
101 lines
3.6 KiB
C++
101 lines
3.6 KiB
C++
/*
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* libjingle
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* Copyright 2014 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_MEDIA_BASE_EXECUTABLEHELPERS_H_
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#define TALK_MEDIA_BASE_EXECUTABLEHELPERS_H_
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#ifdef OSX
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#include <mach-o/dyld.h>
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#endif
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#include <string>
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#include "webrtc/base/logging.h"
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#include "webrtc/base/pathutils.h"
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namespace rtc {
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// Returns the path to the running executable or an empty path.
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// TODO(thorcarpenter): Consolidate with FluteClient::get_executable_dir.
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inline Pathname GetExecutablePath() {
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const int32 kMaxExePathSize = 255;
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#ifdef WIN32
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TCHAR exe_path_buffer[kMaxExePathSize];
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DWORD copied_length = GetModuleFileName(NULL, // NULL = Current process
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exe_path_buffer, kMaxExePathSize);
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if (0 == copied_length) {
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LOG(LS_ERROR) << "Copied length is zero";
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return rtc::Pathname();
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}
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if (kMaxExePathSize == copied_length) {
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LOG(LS_ERROR) << "Buffer too small";
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return rtc::Pathname();
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}
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#ifdef UNICODE
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std::wstring wdir(exe_path_buffer);
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std::string dir_tmp(wdir.begin(), wdir.end());
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rtc::Pathname path(dir_tmp);
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#else // UNICODE
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rtc::Pathname path(exe_path_buffer);
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#endif // UNICODE
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#elif defined(OSX) || defined(LINUX)
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char exe_path_buffer[kMaxExePathSize];
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#ifdef OSX
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uint32_t copied_length = kMaxExePathSize - 1;
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if (_NSGetExecutablePath(exe_path_buffer, &copied_length) == -1) {
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LOG(LS_ERROR) << "Buffer too small";
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return rtc::Pathname();
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}
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#elif defined LINUX
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int32 copied_length = kMaxExePathSize - 1;
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const char* kProcExeFmt = "/proc/%d/exe";
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char proc_exe_link[40];
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snprintf(proc_exe_link, sizeof(proc_exe_link), kProcExeFmt, getpid());
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copied_length = readlink(proc_exe_link, exe_path_buffer, copied_length);
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if (copied_length == -1) {
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LOG_ERR(LS_ERROR) << "Error reading link " << proc_exe_link;
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return rtc::Pathname();
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}
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if (copied_length == kMaxExePathSize - 1) {
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LOG(LS_ERROR) << "Probably truncated result when reading link "
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<< proc_exe_link;
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return rtc::Pathname();
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}
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exe_path_buffer[copied_length] = '\0';
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#endif // LINUX
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rtc::Pathname path(exe_path_buffer);
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#else // Android || IOS
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rtc::Pathname path;
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#endif // OSX || LINUX
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return path;
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}
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} // namespace rtc
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#endif // TALK_MEDIA_BASE_EXECUTABLEHELPERS_H_
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