diff options
Diffstat (limited to 'userspace/ebtables2/useful_functions.c')
-rw-r--r-- | userspace/ebtables2/useful_functions.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/userspace/ebtables2/useful_functions.c b/userspace/ebtables2/useful_functions.c index d20b68e..d14cbe9 100644 --- a/userspace/ebtables2/useful_functions.c +++ b/userspace/ebtables2/useful_functions.c @@ -411,3 +411,16 @@ char *ebt_ip6_to_numeric(const struct in6_addr *addrp) static char buf[50+1]; return (char *)inet_ntop(AF_INET6, addrp, buf, sizeof(buf)); } + +char *ebt_ip6_mask_to_string(const struct in6_addr *msk) +{ + /* /0000:0000:0000:0000:0000:000.000.000.000 + * /0000:0000:0000:0000:0000:0000:0000:0000 */ + static char buf[51+1]; + if (msk->s6_addr32[0] == 0xFFFFFFFFL && msk->s6_addr32[1] == 0xFFFFFFFFL && + msk->s6_addr32[2] == 0xFFFFFFFFL && msk->s6_addr32[3] == 0xFFFFFFFFL) + *buf = '\0'; + else + sprintf(buf, "/%s", ebt_ip6_to_numeric(msk)); + return buf; +} |