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#!/bin/sh
# Copyright (C) 2006 OpenWrt.org
# Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
alias debug=${DEBUG:-:}
# newline
N="
"
_C=0
# valid interface?
if_valid () (
ifconfig "$1" >&- 2>&- ||
[ "${1%%[0-9]}" = "br" ] ||
{ debug "# missing interface '$1' ignored"; false; }
)
hotplug_dev() {
env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net
}
append() {
local var="$1"
local value="$2"
local sep="${3:- }"
eval "export ${var}=\"\${${var}:+\${${var}}${value:+$sep}}\$value\""
}
reset_cb() {
config_cb() {
return 0
}
option_cb() {
return 0
}
}
reset_cb
config () {
local cfgtype="$1"
local name="$2"
_C=$(($_C + 1))
name="${name:-cfg${_C}}"
config_cb "$cfgtype" "$name"
export CONFIG_SECTION="$name"
export CONFIG_${CONFIG_SECTION}_TYPE="$cfgtype"
}
option () {
local varname="$1"; shift
export CONFIG_${CONFIG_SECTION}_${varname}="$*"
option_cb "$varname" "$*"
}
config_rename() {
local OLD="$1"
local NEW="$2"
local oldsetting
local newvar
[ -z "$OLD" -o -z "$NEW" ] && return
for oldsetting in `set | grep ^CONFIG_${OLD}_ | \
sed -e 's/\(.*\)=.*$/\1/'` ; do
newvar="CONFIG_${NEW}_${oldsetting##CONFIG_${OLD}_}"
eval "${newvar}=\${$oldsetting}"
unset "$oldsetting"
done
[ "$CONFIG_SECTION" = "$OLD" ] && CONFIG_SECTION="$NEW"
}
config_unset() {
config_set "$1" "$2" ""
}
config_clear() {
[ -z "$CONFIG_SECTION" ] && return
for oldsetting in `set | grep ^CONFIG_${CONFIG_SECTION}_ | \
sed -e 's/\(.*\)=.*$/\1/'` ; do
unset $oldsetting
done
unset CONFIG_SECTION
}
config_load() {
local DIR="./"
_C=0
[ \! -e "$1" -a -e "/etc/config/$1" ] && {
DIR="/etc/config/"
}
[ -e "$DIR$1" ] && {
CONFIG_FILENAME="$DIR$1"
. ${CONFIG_FILENAME}
} || return 1
${CD:+cd -} >/dev/null
${CONFIG_SECTION:+config_cb}
}
config_get() {
case "$3" in
"") eval "echo \"\${CONFIG_${1}_${2}}\"";;
*) eval "$1=\"\${CONFIG_${2}_${3}}\"";;
esac
}
config_set() {
export CONFIG_${1}_${2}="${3}"
}
load_modules() {
sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
}
include() {
for file in $(ls $1/*.sh 2>/dev/null); do
. $file
done
}
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