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

   1 #!/bin/sh
   2 alias debug=${DEBUG:-:}
   3
   4 # valid interface?
   5 if_valid () (
   6   ifconfig "$1" >&- 2>&- ||
   7   [ "${1%%[0-9]}" = "br" ] ||
   8   { debug "# missing interface '$1' ignored"; false; }
   9 )
  10
  11 hotplug_dev() {
  12         env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net
  13 }