From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 10 Sep 2014 12:56:19 +0000 (+0000)
Subject: procd: allow adding empty strings to arrays
X-Git-Tag: v19.07.0-rc1~16675
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=2dabf3a775f21a1a66b9505e63ee79056b237ccf;p=openwrt%2Fstaging%2Fhauke.git

procd: allow adding empty strings to arrays

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

SVN-Revision: 42456
---

diff --git a/package/system/procd/files/procd.sh b/package/system/procd/files/procd.sh
index d71c3cfc0a..e4e75edb2e 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