diff options
Diffstat (limited to 'lib/prefix.c')
| -rw-r--r-- | lib/prefix.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/lib/prefix.c b/lib/prefix.c index 5e8cff04..fa2d2eb3 100644 --- a/lib/prefix.c +++ b/lib/prefix.c @@ -31,7 +31,7 @@ /* Maskbit. */ static const u_char maskbit[] = {0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff}; -static const u_int32_t maskbytes_host[] = +static const u_int32_t maskbytes_big_endian[] = { 0x00000000, /* /0 0.0.0.0 */ 0x80000000, /* /1 128.0.0.0 */ @@ -67,7 +67,8 @@ static const u_int32_t maskbytes_host[] = 0xfffffffe, /* /31 255.255.255.254 */ 0xffffffff /* /32 255.255.255.255 */ }; -static const u_int32_t maskbytes_network[] = + +static const u_int32_t maskbytes_little_endian[] = { 0x00000000, /* /0 0.0.0.0 */ 0x00000080, /* /1 128.0.0.0 */ @@ -103,6 +104,7 @@ static const u_int32_t maskbytes_network[] = 0xfeffffff, /* /31 255.255.255.254 */ 0xffffffff /* /32 255.255.255.255 */ }; + static const struct in6_addr maskbytes6[] = { /* /0 */ { { { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, @@ -2599,7 +2601,11 @@ void masklen2ip (const int masklen, struct in_addr *netmask) { assert (masklen >= 0 && masklen <= IPV4_MAX_BITLEN); - netmask->s_addr = maskbytes_network[masklen]; +#if (BYTE_ORDER == LITTLE_ENDIAN) + netmask->s_addr = maskbytes_little_endian[masklen]; +#elif (BYTE_ORDER == BIG_ENDIAN) + netmask->s_addr = maskbytes_big_endian[masklen]; +#endif } /* Convert IP address's netmask into integer. We assume netmask is @@ -2621,7 +2627,11 @@ void apply_mask_ipv4 (struct prefix_ipv4 *p) { assert (p->prefixlen >= 0 && p->prefixlen <= IPV4_MAX_BITLEN); - p->prefix.s_addr &= maskbytes_network[p->prefixlen]; +#if (BYTE_ORDER == LITTLE_ENDIAN) + p->prefix.s_addr &= maskbytes_little_endian[p->prefixlen]; +#elif (BYTE_ORDER == BIG_ENDIAN) + p->prefix.s_addr &= maskbytes_big_endian[p->prefixlen]; +#endif } /* If prefix is 0.0.0.0/0 then return 1 else return 0. */ |