From 5362876b60ddecda43de07affc77ec8f13335512 Mon Sep 17 00:00:00 2001
From: hwangcc23 <hwangcc@csie.nctu.edu.tw>
Date: Thu, 22 Jun 2017 22:53:08 +0800
Subject: [PATCH] i3-msg: Return an exit code upon missing -t arg

If getopt() returns '?' (option with a missing argument), exit the program with an error code rather than continuing the execution.

Fix the issue #2804 (https://github.com/i3/i3/issues/2804).
---
 i3-msg/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/i3-msg/main.c b/i3-msg/main.c
index 02e156a1..4bc3c149 100644
--- a/i3-msg/main.c
+++ b/i3-msg/main.c
@@ -180,6 +180,8 @@ int main(int argc, char *argv[]) {
             printf("i3-msg " I3_VERSION "\n");
             printf("i3-msg [-s <socket>] [-t <type>] <message>\n");
             return 0;
+        } else if (o == '?') {
+            exit(EXIT_FAILURE);
         }
     }
 
-- 
2.39.2