From 09792f0107a9318da809908db31f0b826017de7b Mon Sep 17 00:00:00 2001 From: Bart De Schuymer Date: Mon, 14 Apr 2014 22:04:55 +0200 Subject: don't print IPv6 mask if it's all ones (based on patch by Mariusz Mazur ) --- useful_functions.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'useful_functions.c') diff --git a/useful_functions.c b/useful_functions.c index d20b68e..d14cbe9 100644 --- a/useful_functions.c +++ b/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; +} -- cgit v1.2.3