struct cidr *
range2cidrlist(struct cidr *list, int *cli, int *cls, u_int32_t start,
u_int32_t end)
{
u_int8_t maxsize, diff;
struct cidr *tmp;
while (end >= start) {
maxsize = maxblock(start, 32);
diff = maxdiff(start, end);
maxsize = MAX(maxsize, diff);
if (*cls <= *cli + 1) { /* one extra for terminator */
tmp = realloc(list, (*cls + 32) * sizeof(struct cidr));
if (tmp == NULL)
errx(1, "malloc failed");
list = tmp;
*cls += 32;
}
list[*cli].addr = start;
list[*cli].bits = maxsize;
(*cli)++;
start = start + (1 << (32 - maxsize));
}
return (list);
}
struct cidr *
range2cidrlist(u_int32_t start, u_int32_t end)
{
struct cidr *list = NULL;
size_t cs = 0, cu = 0;
u_int8_t maxsize, diff;
struct cidr *tmp;
while (end >= start) {
maxsize = maxblock(start, 32);
diff = maxdiff(start, end);
maxsize = MAX(maxsize, diff);
if (cs <= cu + 1) { /* one extra for terminator */
tmp = realloc(list, (cs + 32) * sizeof(struct cidr));
if (tmp == NULL)
errx(1, "malloc failed");
list = tmp;
cs += 32;
}
list[cu].addr = start;
list[cu].bits = maxsize;
cu++;
list[cu].addr = 0;
list[cu].bits = 0;
start = start + (1 << (32 - maxsize));
}
return (list);
}
