diff options
Diffstat (limited to 'sysdeps/gnu/ifaddrs.c')
| -rw-r--r-- | sysdeps/gnu/ifaddrs.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/sysdeps/gnu/ifaddrs.c b/sysdeps/gnu/ifaddrs.c index 0c1ae5b..6ecc457 100644 --- a/sysdeps/gnu/ifaddrs.c +++ b/sysdeps/gnu/ifaddrs.c @@ -79,11 +79,9 @@ getifaddrs (struct ifaddrs **ifap) ifr = ifreqs; do { - /* Fill in all pointers to the storage we've already allocated. */ + /* Fill in pointers to the storage we've already allocated. */ storage[i].ia.ifa_next = &storage[i + 1].ia; storage[i].ia.ifa_addr = &storage[i].addr; - storage[i].ia.ifa_netmask = &storage[i].netmask; - storage[i].ia.ifa_broadaddr = &storage[i].broadaddr; /* & dstaddr */ /* Now copy the information we already have from SIOCGIFCONF. */ storage[i].ia.ifa_name = strncpy (storage[i].name, ifr->ifr_name, @@ -100,26 +98,36 @@ getifaddrs (struct ifaddrs **ifap) ifr->ifr_addr = storage[i].addr; if (__ioctl (fd, SIOCGIFNETMASK, ifr) < 0) - break; - storage[i].netmask = ifr->ifr_netmask; + storage[i].ia.ifa_netmask = NULL; + else + { + storage[i].ia.ifa_netmask = &storage[i].netmask; + storage[i].netmask = ifr->ifr_netmask; + } if (ifr->ifr_flags & IFF_BROADCAST) { ifr->ifr_addr = storage[i].addr; if (__ioctl (fd, SIOCGIFBRDADDR, ifr) < 0) - break; - storage[i].broadaddr = ifr->ifr_broadaddr; + storage[i].ia.ifa_broadaddr = NULL; + { + storage[i].ia.ifa_broadaddr = &storage[i].broadaddr; + storage[i].broadaddr = ifr->ifr_broadaddr; + } } else if (ifr->ifr_flags & IFF_POINTOPOINT) { ifr->ifr_addr = storage[i].addr; if (__ioctl (fd, SIOCGIFDSTADDR, ifr) < 0) - break; - storage[i].broadaddr = ifr->ifr_dstaddr; + storage[i].ia.ifa_broadaddr = NULL; + else + { + storage[i].ia.ifa_broadaddr = &storage[i].broadaddr; + storage[i].broadaddr = ifr->ifr_dstaddr; + } } else - /* Just 'cause. */ - memset (&storage[i].broadaddr, 0, sizeof storage[i].broadaddr); + storage[i].ia.ifa_broadaddr = NULL; storage[i].ia.ifa_data = NULL; /* Nothing here for now. */ |