Function InitCurrentWorkingDirectory

util/src/FileSystem.cpp:170–205

no reason to export this function... only used to initialize static local variable in GetCurrentWorkingDirectory.

            // no reason to export this function... only used to initialize static local variable in
            // GetCurrentWorkingDirectory.
            std::string
            InitCurrentWorkingDirectory()
            {
#ifdef US_PLATFORM_WINDOWS
                DWORD bufSize = ::GetCurrentDirectoryW(0, NULL);
                if (bufSize == 0)
                {
                    bufSize = 1;
                }
                std::vector<wchar_t> buf(bufSize, L'\0');
                if (::GetCurrentDirectoryW(bufSize, buf.data()) != 0)
                {
                    return util::ToUTF8String(buf.data());
                }
#else
                errno = 0; // reset errno to zero in case it was set to some other
                           // value before this call.
                for (std::size_t bufSize = PATH_MAX;
                     (0 == errno) || (ERANGE == errno); // break out of the loop if any error other than
                                                        // ERANGE occurs. In the case of ERANGE, we
                                                        // double the bufSize and try again.
                     bufSize
                     *= 2)
                {
                    std::vector<char> buf(bufSize, '\0');
                    char const* rval = getcwd(buf.data(), bufSize);
                    if (rval != nullptr)
                    {
                        // if we get here, getcwd returned non-null and therefore rval points to the correct
                        // results. Return those results.
                        return std::string(rval);
                    }
                }
#endif
                return std::string();
            }
            const std::string s_CurrentWorkingDir = InitCurrentWorkingDirectory();

        } // anonymous namespace