Method read

dds/DCPS/FileSystemStorage.cpp:324–377

}

DDS_DIRENT* DDS_Dirent::read()
{
  if (!dirp_) return 0;

  // taken from ACE_OS::readdir_emulation() and translated to wchar
  //   note that the file name inside ACE_DIRENT is still in ACE_TCHARs as long
  //   as ACE_HAS_TCHAR_DIRENT is defined (true for MSVC, false for GCC/MinGW)

  if (dirp_->dirent_ != 0) {
#ifdef ACE_HAS_TCHAR_DIRENT
    ACE_OS::free(dirp_->dirent_->d_name);
#endif
    ACE_OS::free(dirp_->dirent_);
    dirp_->dirent_ = 0;
  }

  if (!dirp_->started_reading_) {
    dirp_->current_handle_ = ::FindFirstFileW(dirp_->directory_name_,
                                              &dirp_->fdata_);
    dirp_->started_reading_ = 1;

  } else {
    int retval = ::FindNextFileW(dirp_->current_handle_, &dirp_->fdata_);

    if (retval == 0) {
      // Make sure to close the handle explicitly to avoid a leak!
      ::FindClose(dirp_->current_handle_);
      dirp_->current_handle_ = INVALID_HANDLE_VALUE;
    }
  }

  if (dirp_->current_handle_ != INVALID_HANDLE_VALUE) {
    dirp_->dirent_ = (DDS_DIRENT*) ACE_Allocator::instance()->malloc(sizeof(DDS_DIRENT));

    if (dirp_->dirent_ != 0) {
#ifdef ACE_HAS_TCHAR_DIRENT
      dirp_->dirent_->d_name =
        (ACE_TCHAR*) ACE_Allocator::instance()->malloc((ACE_OS::strlen(dirp_->fdata_.cFileName)
                                     + 1) * sizeof(ACE_TCHAR));
      ACE_OS::strcpy(dirp_->dirent_->d_name,
                     ACE_TEXT_WCHAR_TO_TCHAR(dirp_->fdata_.cFileName));
#else // MinGW: d_name is a fixed-size char array
      ACE_OS::strncpy(dirp_->dirent_->d_name,
                      ACE_Wide_To_Ascii(dirp_->fdata_.cFileName).char_rep(),
                      sizeof(dirp_->dirent_->d_name));
#endif
      dirp_->dirent_->d_reclen = sizeof(DDS_DIRENT);
    }

    return dirp_->dirent_;

  } else
    return 0;
}

void DDS_Dirent::close()
{