From 02eaad6a8971891a6e1279f06874d00efd472489 Mon Sep 17 00:00:00 2001
From: YuQing <384681@qq.com>
Date: Thu, 20 May 2021 16:49:53 +0800
Subject: [PATCH] check required argument

---
 src/sf_util.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/sf_util.c b/src/sf_util.c
index 6f25cea..cf0fd88 100644
--- a/src/sf_util.c
+++ b/src/sf_util.c
@@ -181,6 +181,11 @@ const char *sf_parse_daemon_mode_and_action_ex(int argc, char *argv[],
             inc = match_option(argv[i], other_options);
             if (inc > 0) {
                 i += inc;
+                if (i > argc) {
+                    fprintf(stderr, "\nError: expect argument!\n");
+                    sf_usage_ex(argv[0], other_options);
+                    return NULL;
+                }
                 continue;
             }
         }