diff options
Diffstat (limited to 'usr.sbin/vmd/vmd.c')
-rw-r--r-- | usr.sbin/vmd/vmd.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/usr.sbin/vmd/vmd.c b/usr.sbin/vmd/vmd.c index 3bcfed30965..fcd2c3696b9 100644 --- a/usr.sbin/vmd/vmd.c +++ b/usr.sbin/vmd/vmd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vmd.c,v 1.56 2017/04/06 18:07:13 reyk Exp $ */ +/* $OpenBSD: vmd.c,v 1.57 2017/04/19 15:38:32 reyk Exp $ */ /* * Copyright (c) 2015 Reyk Floeter <reyk@openbsd.org> @@ -1045,3 +1045,15 @@ get_string(uint8_t *ptr, size_t len) return strndup(ptr, i); } + +uint32_t +prefixlen2mask(uint8_t prefixlen) +{ + if (prefixlen == 0) + return (0); + + if (prefixlen > 32) + prefixlen = 32; + + return (htonl(0xffffffff << (32 - prefixlen))); +} |