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getifaddrs: implement proper ipv6 netmasks

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This commit is contained in:
rofl0r 2013-04-09 11:00:52 +02:00
parent 23ab8c2555
commit 9947ed5c20
1 changed files with 11 additions and 2 deletions
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13
src/network/getifaddrs.c
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@ -51,8 +51,17 @@ void freeifaddrs(struct ifaddrs *ifp)
static void ipv6netmask(unsigned prefix_length, struct sockaddr_in6 *sa)
{
// FIXME: left for bit-wizard rich
memset(&sa->sin6_addr, -1, sizeof(sa->sin6_addr));
unsigned char* hb = sa->sin6_addr.s6_addr;
unsigned onebytes = prefix_length / 8;
unsigned bits = prefix_length % 8;
unsigned nullbytes = 16 - onebytes;
memset(hb, -1, onebytes);
memset(hb+onebytes, 0, nullbytes);
if(bits) {
unsigned char x = -1;
x <<= 8 - bits;
hb[onebytes] = x;
}
}
static void dealwithipv6(stor **list, stor** head)