owipcalc/src/owipcalc.c

34 		struct in_addr v4;
38 		char v4[sizeof("255.255.255.255/255.255.255.255 ")];
116 	if (!addr || (strlen(s) >= sizeof(addr->buf.v4)))
119 	snprintf(addr->buf.v4, sizeof(addr->buf.v4), "%s", s);
123 	if ((p = strchr(addr->buf.v4, '/')) != NULL)
148 	if (p == addr->buf.v4+1)
149 		memset(&addr->addr.v4, 0, sizeof(addr->addr.v4));
150 	else if (inet_pton(AF_INET, addr->buf.v4, &addr->addr.v4) != 1)
164 	uint32_t x = ntohl(a->addr.v4.s_addr);
165 	uint32_t y = ntohl(b->addr.v4.s_addr);
178 	n->addr.v4.s_addr = htonl(x + y);
184 	uint32_t x = ntohl(a->addr.v4.s_addr);
185 	uint32_t y = ntohl(b->addr.v4.s_addr);
198 	n->addr.v4.s_addr = htonl(x - y);
206 	n->addr.v4.s_addr &= htonl(~((1 << (32 - n->prefix)) - 1));
216 	n->addr.v4.s_addr |= htonl(((1 << (32 - n->prefix)) - 1));
224 	uint32_t net1 = a->addr.v4.s_addr & htonl(~((1 << (32 - a->prefix)) - 1));
225 	uint32_t net2 = b->addr.v4.s_addr & htonl(~((1 << (32 - a->prefix)) - 1));
246 	n->addr.v4.s_addr = htonl(~((1 << (32 - n->prefix)) - 1));
254 	uint32_t x = ntohl(a->addr.v4.s_addr);
275 	uint32_t x = ntohl(a->addr.v4.s_addr);
297 	n->addr.v4.s_addr -= htonl(1 << (32 - b->prefix));
307 	n->addr.v4.s_addr += htonl(1 << (32 - b->prefix));
315 	uint32_t x = a->addr.v4.s_addr;
339 	if (!(p = (char *)inet_ntop(AF_INET, &a->addr.v4, a->buf.v4, sizeof(a->buf.v4))))
364 	snprintf(addr->buf.v4, sizeof(addr->buf.v6), "%s", s);
368 	if ((p = strchr(addr->buf.v4, '/')) != NULL)
382 	if (p == addr->buf.v4+1)
384 	else if (inet_pton(AF_INET6, addr->buf.v4, &addr->addr.v6) != 1)
634 			a->addr.v4.s_addr = htonl(sum);