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;
--
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