diff options
author | hasso <hasso> | 2004-10-19 19:44:43 +0000 |
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committer | hasso <hasso> | 2004-10-19 19:44:43 +0000 |
commit | 3fb9cd6ef456959b6eff939d5c316f6785c2dda4 (patch) | |
tree | e350cb3ef7b20b8bbccfb1aa9309152311e845bd /lib/prefix.h | |
parent | 5ae35f45f1292dce3a01f241accafeb2e59b10cc (diff) |
OK. Here it is - PtP patch from Andrew J. Schorr. No problems with ospfd,
ripd might need some more testing though.
Diffstat (limited to 'lib/prefix.h')
-rw-r--r-- | lib/prefix.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/prefix.h b/lib/prefix.h index e4f17ab0..0546095b 100644 --- a/lib/prefix.h +++ b/lib/prefix.h @@ -153,6 +153,14 @@ void apply_classful_mask_ipv4 (struct prefix_ipv4 *); u_char ip_masklen (struct in_addr); void masklen2ip (int, struct in_addr *); +/* returns the network portion of the host address */ +in_addr_t ipv4_network_addr (in_addr_t hostaddr, int masklen); +/* given the address of a host on a network and the network mask length, + * calculate the broadcast address for that network; + * special treatment for /31: returns the address of the other host + * on the network by flipping the host bit */ +in_addr_t ipv4_broadcast_addr (in_addr_t hostaddr, int masklen); + int netmask_str2prefix_str (const char *, const char *, char *); #ifdef HAVE_IPV6 |