1 files changed, 119 insertions, 0 deletions
diff --git a/package/base-files/default/etc/functions.sh b/package/base-files/default/etc/functions.sh
new file mode 100755
index 0000000000..9c3057ed00
--- /dev/null
+++ b/package/base-files/default/etc/functions.sh
@@ -0,0 +1,119 @@
+#!/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
+}