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lib: use prefix bit length macros

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This commit is contained in:
Denis Ovsienko 2011-10-24 18:45:05 +04:00 committed by Paul Jakma
parent ce3cdcfbed
commit 9ed79b53eb
1 changed files with 7 additions and 7 deletions
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14
lib/prefix.c
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@ -2460,8 +2460,8 @@ prefix_cmp (const struct prefix *p1, const struct prefix *p2)
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]))
@ -2598,7 +2598,7 @@ str2prefix_ipv4 (const char *str, struct prefix_ipv4 *p)
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];
}
@ -2683,7 +2683,7 @@ str2prefix_ipv6 (const char *str, struct prefix_ipv6 *p)
if (ret == 0)
return 0;
plen = (u_char) atoi (++pnt);
if (plen > 128)
if (plen > IPV6_MAX_BITLEN)
return 0;
p->prefixlen = plen;
}
@ -2703,13 +2703,13 @@ ip6_masklen (struct in6_addr netmask)
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)
@ -2724,7 +2724,7 @@ ip6_masklen (struct in6_addr netmask)
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));
}