if (mng_putchunk_text(mng, sizeof(MNG_TEXT_TITLE), MNG_TEXT_TITLE, get_canvas()->get_name().length(), const_cast<char *>(get_canvas()->get_name().c_str())) != 0) goto cleanup_on_error;
if (mng_putchunk_text(mng, sizeof(MNG_TEXT_DESCRIPTION), MNG_TEXT_DESCRIPTION, get_canvas()->get_description().length(), const_cast<char *>(get_canvas()->get_description().c_str())) != 0) goto cleanup_on_error;
if (mng_putchunk_text(mng, sizeof(MNG_TEXT_SOFTWARE), MNG_TEXT_SOFTWARE, sizeof("SYNFIG"), "SYNFIG") != 0) goto cleanup_on_error;
if (mng_putchunk_text(mng, sizeof(MNG_TEXT_TITLE), MNG_TEXT_TITLE, get_canvas()->get_name().length(), const_cast<char *>(get_canvas()->get_name().c_str())) != 0) goto cleanup_on_error;
if (mng_putchunk_text(mng, sizeof(MNG_TEXT_DESCRIPTION), MNG_TEXT_DESCRIPTION, get_canvas()->get_description().length(), const_cast<char *>(get_canvas()->get_description().c_str())) != 0) goto cleanup_on_error;
if (mng_putchunk_text(mng, sizeof(MNG_TEXT_SOFTWARE), MNG_TEXT_SOFTWARE, sizeof("SYNFIG"), "SYNFIG") != 0) goto cleanup_on_error;