lib: use prefix bit length macros
diff --git a/lib/prefix.c b/lib/prefix.c
index c8fd0bd..54b9bc8 100644
--- a/lib/prefix.c
+++ b/lib/prefix.c
@@ -371,8 +371,8 @@
if (p1->family != p2->family || p1->prefixlen != p2->prefixlen)
return 1;
- offset = p1->prefixlen / 8;
- shift = p1->prefixlen % 8;
+ offset = p1->prefixlen / PNBBY;
+ shift = p1->prefixlen % PNBBY;
if (shift)
if (maskbit[shift] & (pp1[offset] ^ pp2[offset]))
@@ -509,7 +509,7 @@
void
masklen2ip (const int masklen, struct in_addr *netmask)
{
- assert (masklen >= 0 && masklen <= 32);
+ assert (masklen >= 0 && masklen <= IPV4_MAX_BITLEN);
netmask->s_addr = maskbytes_network[masklen];
}
@@ -612,7 +612,7 @@
if (ret == 0)
return 0;
plen = (u_char) atoi (++pnt);
- if (plen > 128)
+ if (plen > IPV6_MAX_BITLEN)
return 0;
p->prefixlen = plen;
}
@@ -632,13 +632,13 @@
pnt = (unsigned char *) & netmask;
- while ((*pnt == 0xff) && len < 128)
+ while ((*pnt == 0xff) && len < IPV6_MAX_BITLEN)
{
len += 8;
pnt++;
}
- if (len < 128)
+ if (len < IPV6_MAX_BITLEN)
{
val = *pnt;
while (val)
@@ -653,7 +653,7 @@
void
masklen2ip6 (const int masklen, struct in6_addr *netmask)
{
- assert (masklen >=0 && masklen <= 128);
+ assert (masklen >= 0 && masklen <= IPV6_MAX_BITLEN);
memcpy (netmask, maskbytes6 + masklen, sizeof (struct in6_addr));
}