large init script cleanup and merge of whiterussian changes, new dnsmasq config handling

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@3588 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/default/etc/functions.sh

@@ -1,6 +1,4 @@
 #!/bin/sh
-. /etc/nvram.sh
-
 alias debug=${DEBUG:-:}
 
 # valid interface?
@@ -13,27 +11,3 @@ if_valid () (
 hotplug_dev() {
 	env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net
 }
-
-bitcount () {
-  local c=$1
-  echo $((
-  c=((c>> 1)&0x55555555)+(c&0x55555555),
-  c=((c>> 2)&0x33333333)+(c&0x33333333),
-  c=((c>> 4)&0x0f0f0f0f)+(c&0x0f0f0f0f),
-  c=((c>> 8)&0x00ff00ff)+(c&0x00ff00ff),
-  c=((c>>16)&0x0000ffff)+(c&0x0000ffff)
-  ))
-}
-
-valid_netmask () {
-  return $((-($1)&~$1))
-}
-
-ip2int () (
-  set $(echo $1 | tr '\.' ' ')
-  echo $(($1<<24|$2<<16|$3<<8|$4))
-)
-
-int2ip () {
-  echo $(($1>>24&255)).$(($1>>16&255)).$(($1>>8&255)).$(($1&255))
-}