From 6a82444d499be104e019899b9bdc8a14ad0cbd0f Mon Sep 17 00:00:00 2001
From: Art Cancro <ajc@citadel.org>
Date: Sun, 19 Nov 2017 16:32:47 -0500
Subject: [PATCH] ctdlsh: don't crash on the mailq command if the queue is
 empty.

---
 ctdlsh/mailq.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ctdlsh/mailq.c b/ctdlsh/mailq.c
index 772c24230..d6ed794aa 100644
--- a/ctdlsh/mailq.c
+++ b/ctdlsh/mailq.c
@@ -42,7 +42,7 @@ void mailq_show_this_queue_entry(StrBuf *MsgText) {
 
 int cmd_mailq(int server_socket, char *cmdbuf) {
 	char buf[1024];
-	long *msgs;
+	long *msgs = NULL;
 	int num_msgs = 0;
 	int num_alloc = 0;
 	int i;
@@ -91,7 +91,9 @@ int cmd_mailq(int server_socket, char *cmdbuf) {
 		}
 	}
 
-	free(msgs);
+	if (msgs != NULL) {
+		free(msgs);
+	}
 	FreeStrBuf(&MsgText);
         return(cmdret_ok);
 }
-- 
2.39.2