From: José Bollo <jose.bollo@iot.bzh>
Date: Fri, 26 Jul 2019 13:49:09 +0000 (+0200)
Subject: cynadm: fix empty list bug
X-Git-Tag: 8.99.1~49
X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=commitdiff_plain;h=37645e9b47493d3a07ca59549fa830e5c1e0a637;p=src%2Fcynagora.git

cynadm: fix empty list bug

Change-Id: I3f64af57796dfc6b38f4cd51ab838e820e6cbb9c
Signed-off-by: José Bollo <jose.bollo@iot.bzh>
---

diff --git a/src/main-cynadm.c b/src/main-cynadm.c
index bb51c25..4be5bae 100644
--- a/src/main-cynadm.c
+++ b/src/main-cynadm.c
@@ -417,16 +417,18 @@ int do_list(int ac, char **av)
 		if (rc < 0)
 			fprintf(stderr, "error %s\n", strerror(-rc));
 		else {
-			it = lr.head = listresult_sort(lr.count, lr.head);
-			while(it) {
-				fprintf(stdout, "%-*s %-*s %-*s %-*s %-*s %-*s\n",
-					(int)lr.lengths[0], it->items[0],
-					(int)lr.lengths[1], it->items[1],
-					(int)lr.lengths[2], it->items[2],
-					(int)lr.lengths[3], it->items[3],
-					(int)lr.lengths[4], it->items[4],
-					(int)lr.lengths[5], it->items[5]);
-				it = it->next;
+			if (lr.count) {
+				it = lr.head = listresult_sort(lr.count, lr.head);
+				while(it) {
+					fprintf(stdout, "%-*s %-*s %-*s %-*s %-*s %-*s\n",
+						(int)lr.lengths[0], it->items[0],
+						(int)lr.lengths[1], it->items[1],
+						(int)lr.lengths[2], it->items[2],
+						(int)lr.lengths[3], it->items[3],
+						(int)lr.lengths[4], it->items[4],
+						(int)lr.lengths[5], it->items[5]);
+					it = it->next;
+				}
 			}
 			fprintf(stdout, "%d entries found\n", lr.count);
 		}