dadada/netcalc
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Cleanup...

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This commit is contained in:
tim.schubert@tu-bs.de 2016-10-27 13:04:12 +02:00
parent b98c794591
commit 13a38cd92e
1 changed files with 0 additions and 28 deletions
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28
netcalc.c
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@ -21,26 +21,6 @@ void cleanup(int signum)
}
}
void printaddr(struct addrinfo *ainfo)
{
char ipstr[INET6_ADDRSTRLEN]; // will hold the IP adress, humanreadable
void *addr;
char *ipver;
for (struct addrinfo *p = ainfo; p->ai_next != NULL; p = p->ai_next) {
if (p->ai_family == AF_INET) { // IPv4
struct sockaddr_in *ipv4 = (struct sockaddr_in *) p->ai_addr;
addr = &(ipv4->sin_addr);
ipver = "IPv4";
} else { // IPv6
struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *) p->ai_addr;
addr = &(ipv6->sin6_addr);
ipver = "IPv6";
}
inet_ntop(p->ai_family, addr, ipstr, sizeof ipstr);
printf("Listening on %s: %s\n", ipver, ipstr);
}
}
int prepaddr(char *host, char *port, struct addrinfo **ainfo)
{
struct addrinfo hints; // hints to what we want
@ -55,8 +35,6 @@ int prepaddr(char *host, char *port, struct addrinfo **ainfo)
return -1;
}
printaddr(*ainfo);
return 0;
}
@ -75,12 +53,6 @@ int prepsocket(struct addrinfo *ainfo)
cleanup(0);
return -1;
}
// yes means no!
//if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_V6ONLY, &yes, sizeof yes) == -1) {
// perror("setsockopt");
// cleanup(0);
// return -1;
//}
if (bind(sockfd, ainfo->ai_addr, ainfo->ai_addrlen) != 0) {
perror("bind");