[package] base-files: introduce a ready-to-use /etc/rc.local to let users run custom...

[openwrt.git] / package / base-files / files / etc / functions.sh

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"