X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=scripts%2Futils.sh;h=60470a5627b3ecefc06fd30b253a1b7cc8f9b4db;hp=01d8ad5989f5092346823b4e277fab360b1c706d;hb=57bf943634acbdeaa41a0a67443e41627cc9c747;hpb=f8d894ad5974c29471cfef6679a819ab5a7e4ef8

diff --git a/scripts/utils.sh b/scripts/utils.sh
index 01d8ad5..60470a5 100644
--- a/scripts/utils.sh
+++ b/scripts/utils.sh
@@ -1,3 +1,6 @@
+N="
+"
+
 append() {
 	local var="$1"
 	local value="$2"
@@ -13,6 +16,12 @@ add_default_handler() {
 	esac
 }
 
+set_default() {
+	local __s_var="$1"
+	local __s_val="$2"
+	eval "export -- \"$__s_var=\${$__s_var:-\$__s_val}\""
+}
+
 _config_add_generic() {
 	local type="$1"; shift