From 59a06c71cbf7ee5ecb453bbb2e9d4c2df6f194ed Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 22 Nov 2006 23:30:57 +0000
Subject: rename default/ to files/

SVN-Revision: 5622
---
 package/base-files/files/bin/ipcalc | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100755 package/base-files/files/bin/ipcalc

(limited to 'package/base-files/files/bin/ipcalc')

diff --git a/package/base-files/files/bin/ipcalc b/package/base-files/files/bin/ipcalc
new file mode 100755
index 0000000..e8efa6b
--- /dev/null
+++ b/package/base-files/files/bin/ipcalc
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+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-1)
+	}
+}
+EOF
-- 
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