base-files: port functions.sh to new config_get

Signed-off-by: Malte S. Stretz <mss@apache.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17156 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/base-files/files/etc/functions.sh b/package/base-files/files/etc/functions.sh
index efa378f..eb7faac 100755 (executable)
--- a/package/base-files/files/etc/functions.sh
+++ b/package/base-files/files/etc/functions.sh
@@ -91,8 +91,8 @@ list() {
        local value="$*"
        local len
 
-       config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 
-       len="$((${len:-0} + 1))"
+       config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 0
+       len=$(($len + 1))
        config_set "$CONFIG_SECTION" "${varname}_ITEM$len" "$value"
        config_set "$CONFIG_SECTION" "${varname}_LENGTH" "$len"
        append "CONFIG_${CONFIG_SECTION}_${varname}" "$value" "$LIST_SEP"