From ef0ce72b39024942f236f81ab336d3a1b9269242 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Mon, 16 Dec 2013 16:29:23 +0000
Subject: base-files: ipcalc.sh: support bit length as netmask parameter

SVN-Revision: 39100
---
 package/base-files/files/bin/ipcalc.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'package')

diff --git a/package/base-files/files/bin/ipcalc.sh b/package/base-files/files/bin/ipcalc.sh
index 27a52d6f83..5d5eac3ea8 100755
--- a/package/base-files/files/bin/ipcalc.sh
+++ b/package/base-files/files/bin/ipcalc.sh
@@ -31,7 +31,11 @@ BEGIN {
 	slpos=index(ARGV[1],"/")
 	if (slpos == 0) {
 		ipaddr=ip2int(ARGV[1])
-		netmask=ip2int(ARGV[2])
+		dotpos=index(ARGV[2],".")
+		if (dotpos == 0)
+			netmask=compl32(2**(32-int(ARGV[2]))-1)
+		else
+			netmask=ip2int(ARGV[2])
 	} else {
 		ipaddr=ip2int(substr(ARGV[1],0,slpos-1))
 		netmask=compl32(2**(32-int(substr(ARGV[1],slpos+1)))-1)
-- 
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