- snprintf(text_addr, 20, NIPQUAD_FMT,
- ntohl(im->m_addr.s6_addr32[3]) >> 24 & 0xff,
- ntohl(im->m_addr.s6_addr32[3]) >> 16 & 0xff,
- ntohl(im->m_addr.s6_addr32[3]) >> 8 & 0xff,
- ntohl(im->m_addr.s6_addr32[3]) >> 0 & 0xff);
+ snprintf(text_addr, 20, "%pI4", &im->m_addr.s6_addr32[3]);