From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 10 Sep 2014 12:57:07 +0000 (+0000)
Subject: procd: allow adding empty strings to arrays
X-Git-Url: http://git.openwrt.org/?a=commitdiff_plain;h=f86a5650c18851a7c3ab98ac80b19755b593efdf;p=openwrt%2Fsvn-archive%2Fopenwrt.git

procd: allow adding empty strings to arrays

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

Backport of r42456

SVN-Revision: 42458
---

diff --git a/package/system/procd/files/procd.sh b/package/system/procd/files/procd.sh
index 1b19ba93f6..6d4cd9e114 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