diff options
| author | Emeric Planet <emeric.planet@datadoghq.com> | 2017-12-11 11:38:31 +0100 |
|---|---|---|
| committer | Michael Stapelberg <stapelberg@users.noreply.github.com> | 2017-12-11 11:38:31 +0100 |
| commit | 53fb9b4f18cd9ee3a64be5084ccc76aeea279515 (patch) | |
| tree | 7e87969fb73094b851f037c8fae3547ec579df46 /src/print_ip_addr.c | |
| parent | c3424e10bee91a4e0f21e7f0b72975e938e3f501 (diff) | |
Add IPv6 address when IPv4 isn't available (#247)
Diffstat (limited to 'src/print_ip_addr.c')
| -rw-r--r-- | src/print_ip_addr.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/print_ip_addr.c b/src/print_ip_addr.c index 09b0992..f9cd1f4 100644 --- a/src/print_ip_addr.c +++ b/src/print_ip_addr.c @@ -17,9 +17,14 @@ * interface is up and running but hasn't got an IP address yet * */ -const char *get_ip_addr(const char *interface) { +const char *get_ip_addr(const char *interface, int family) { static char part[512]; - socklen_t len = sizeof(struct sockaddr_in); + socklen_t len = 0; + if (family == AF_INET) + len = sizeof(struct sockaddr_in); + else if (family == AF_INET6) + len = sizeof(struct sockaddr_in6); + memset(part, 0, sizeof(part)); struct ifaddrs *ifaddr, *addrp; @@ -30,13 +35,13 @@ const char *get_ip_addr(const char *interface) { if (ifaddr == NULL) return NULL; - /* Skip until we are at the AF_INET address of interface */ + /* Skip until we are at the input family address of interface */ for (addrp = ifaddr; (addrp != NULL && (strcmp(addrp->ifa_name, interface) != 0 || addrp->ifa_addr == NULL || - addrp->ifa_addr->sa_family != AF_INET)); + addrp->ifa_addr->sa_family != family)); addrp = addrp->ifa_next) { /* Check if the interface is down */ |