/* file overflow - allocate new file */
if (mf->files[mf->cur_file].dir->max_bytes >= 0 &&
(ps - mf->files[mf->cur_file].blocks + 1) * mf->blocksize >
/* file overflow - allocate new file */
if (mf->files[mf->cur_file].dir->max_bytes >= 0 &&
(ps - mf->files[mf->cur_file].blocks + 1) * mf->blocksize >