From a7334f5837fcc417173254707bc8acfc84120b47 Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Tue, 27 Apr 2021 21:17:22 +0200
Subject: ghwdump: display help for -h or --help

---
 ghw/ghwdump.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/ghw/ghwdump.c b/ghw/ghwdump.c
index fe74e5f9a..fa385af52 100644
--- a/ghw/ghwdump.c
+++ b/ghw/ghwdump.c
@@ -163,6 +163,14 @@ main (int argc, char **argv)
   signal_set = NULL;
   filter_done = 0;
 
+  /* Disp help if there is only an help option.  */
+  if (argc == 2
+      && (strcmp (argv[1], "--help") == 0 || strcmp (argv[1], "-h") == 0))
+    {
+      usage ();
+      exit (0);
+    }
+
   while (1)
     {
       int c;
-- 
cgit v1.2.3