X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/6dfd012e6828e3ab2995e17b5af3201f65f2cfc2..2a048c6e56319c3ad2a7fd337b7930f09959df3a:/package/base-files/default/etc/functions.sh

diff --git a/package/base-files/default/etc/functions.sh b/package/base-files/default/etc/functions.sh
index 2ce172eb3..f7cb878bc 100755
--- a/package/base-files/default/etc/functions.sh
+++ b/package/base-files/default/etc/functions.sh
@@ -10,13 +10,6 @@ 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=$2 /sbin/hotplug net
 }
@@ -54,6 +47,26 @@ option () {
 	option_cb "$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}_ | \
@@ -64,6 +77,7 @@ config_clear() {
 }
 
 config_load() {
+	CONFIG_SECTION=
 	local DIR="./"
 	_C=0
 	[ \! -e "$1" -a -e "/etc/config/$1" ] && {
@@ -79,7 +93,7 @@ config_load() {
 
 config_get() {
 	case "$3" in
-		"") eval "echo \${CONFIG_${1}_${2}}";;
+		"") eval "echo \"\${CONFIG_${1}_${2}}\"";;
 		*) eval "$1=\"\${CONFIG_${2}_${3}}\"";;
 	esac
 }
@@ -97,3 +111,10 @@ include() {
 		. $file
 	done
 }
+
+find_mtd_part() {
+	local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
+	PART="${PART##mtd}"
+	echo "${PART:+/dev/mtdblock/$PART}"
+}
+