Method wcharPtrToCharPtr

src/thundersvm/util/log.cpp:938–950

@brief Converst wchar* to char NOTE: Need to free return value after use!

/// @brief Converst wchar* to char*
///        NOTE: Need to free return value after use!
            char* Str::wcharPtrToCharPtr(const wchar_t* line) {
                std::size_t len_ = wcslen(line) + 1;
                char* buff_ = static_cast<char*>(malloc(len_ + 1));
#      if ELPP_OS_UNIX || (ELPP_OS_WINDOWS && !ELPP_CRT_DBG_WARNINGS)
                std::wcstombs(buff_, line, len_);
#      elif ELPP_OS_WINDOWS
                std::size_t convCount_ = 0;
  mbstate_t mbState_;
  ::memset(static_cast<void*>(&mbState_), 0, sizeof(mbState_));
  wcsrtombs_s(&convCount_, buff_, len_, &line, len_, &mbState_);
#      endif  // ELPP_OS_UNIX || (ELPP_OS_WINDOWS && !ELPP_CRT_DBG_WARNINGS)
                return buff_;
            }

// OS