diff options
| -rw-r--r-- | src/hostmask.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/src/hostmask.c b/src/hostmask.c index 5c34013..c82a88c 100644 --- a/src/hostmask.c +++ b/src/hostmask.c @@ -335,15 +335,12 @@ mask_addr(struct irc_ssaddr *ip, int bits) #ifdef IPV6 else { - n = bits / 8; - m = bits % 8; - v6_base_ip = (struct sockaddr_in6 *)ip; - - mask = ~((1 << (8 - m)) -1 ); - v6_base_ip->sin6_addr.s6_addr[n] = v6_base_ip->sin6_addr.s6_addr[n] & mask; + uint32_t tmp = 0; + v4_base_ip = (struct sockaddr_in *)ip; - for (i = n + 1; i < 16; i++) - v6_base_ip->sin6_addr.s6_addr[i] = 0; + mask = ~((1 << (32 - bits)) - 1); + tmp = ntohl(v4_base_ip->sin_addr.s_addr); + v4_base_ip->sin_addr.s_addr = htonl(tmp & mask); } #endif } |