From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Wed, 10 Sep 2014 12:57:07 +0000 (+0000)
Subject: procd: allow adding empty strings to arrays
X-Git-Url: http://git.ozo.com/?a=commitdiff_plain;h=f4de40a189981693618bf3bfc867a2fc5fcf43a7;hp=9d90bc20d4f823644b4b30dbe0e469e0e4369d35;p=openwrt-14.07%2F.git

procd: allow adding empty strings to arrays

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

Backport of r42456

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42458 3c298f89-4303-0410-b956-a3cf2f4a3e73
---

diff --git a/package/system/procd/files/procd.sh b/package/system/procd/files/procd.sh
index 1b19ba9..6d4cd9e 100644
--- a/package/system/procd/files/procd.sh
+++ b/package/system/procd/files/procd.sh
@@ -75,7 +75,7 @@ _procd_close_service() {
 }
 
 _procd_add_array_data() {
-	while [ -n "$1" ]; do
+	while [ "$#" -gt 0 ]; do
 		json_add_string "" "$1"
 		shift
 	done