diff options
Diffstat (limited to 'src/lastlog.c')
| -rw-r--r-- | src/lastlog.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/src/lastlog.c b/src/lastlog.c index 3c0fc9c6..0d4b5fd2 100644 --- a/src/lastlog.c +++ b/src/lastlog.c @@ -88,7 +88,16 @@ static void print_one (/*@null@*/const struct passwd *pw) char ptime[80]; #ifdef HAVE_LL_HOST - int maxIPv6Addrlen; + /* + * ll_host is in minimized form, thus the maximum IPv6 address possible is + * 8*4+7 = 39 characters. + * RFC 4291 2.5.6 states that for LL-addresses fe80+only the interface ID is set, + * thus having a maximum size of 25+1+IFNAMSIZ. + * POSIX says IFNAMSIZ should be 16 characters long including the null byte, thus + * 25+1+IFNAMSIZ >= 42 > 39 + */ + /* Link-Local address + % + Interfacename */ + const int maxIPv6Addrlen = 25+1+IFNAMSIZ; #endif if (NULL == pw) { @@ -132,16 +141,6 @@ static void print_one (/*@null@*/const struct passwd *pw) /* Print the header only once */ if (!once) { #ifdef HAVE_LL_HOST - /* - * ll_host is in minimized form, thus the maximum IPv6 address possible is - * 8*4+7 = 39 characters. - * RFC 4291 2.5.6 states that for LL-addresses fe80+only the interface ID is set, - * thus having a maximum size of 25+1+IFNAMSIZ. - * POSIX says IFNAMSIZ should be 16 characters long including the null byte, thus - * 25+1+IFNAMSIZ >= 42 > 39 - */ - /* Link-Local address + % + Interfacename */ - maxIPv6Addrlen = 25+1+IFNAMSIZ; printf (_("Username Port From%*sLatest\n"), maxIPv6Addrlen-3, " "); #else puts (_("Username Port Latest")); |