mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-01 05:23:09 +02:00
ed5ef674d1
git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4090 3c298f89-4303-0410-b956-a3cf2f4a3e73
34 lines
719 B
Bash
Executable File
34 lines
719 B
Bash
Executable File
#!/bin/sh
|
|
# Copyright (C) 2006 OpenWrt.org
|
|
|
|
awk -f /usr/lib/common.awk -f - $* <<EOF
|
|
BEGIN {
|
|
ipaddr=ip2int(ARGV[1])
|
|
netmask=ip2int(ARGV[2])
|
|
network=and(ipaddr,netmask)
|
|
broadcast=or(network,compl(netmask))
|
|
|
|
start=or(network,and(ip2int(ARGV[3]),compl(netmask)))
|
|
limit=network+1
|
|
if (start<limit) start=limit
|
|
|
|
end=start+ARGV[4]
|
|
limit=or(network,compl(netmask))-1
|
|
if (end>limit) end=limit
|
|
|
|
print "IP="int2ip(ipaddr)
|
|
print "NETMASK="int2ip(netmask)
|
|
print "BROADCAST="int2ip(broadcast)
|
|
print "NETWORK="int2ip(network)
|
|
print "PREFIX="32-bitcount(compl(netmask))
|
|
|
|
# range calculations:
|
|
# ipcalc <ip> <netmask> <start> <num>
|
|
|
|
if (ARGC > 3) {
|
|
print "START="int2ip(start)
|
|
print "END="int2ip(end)
|
|
}
|
|
}
|
|
EOF
|