From 167f808d7641f2a23f247cb1f66ec93d026ca366 Mon Sep 17 00:00:00 2001
From: Neels Hofmeyr <neels@hofmeyr.de>
Date: Sun, 25 Mar 2018 01:01:32 +0100
Subject: contrib/fsm-to-dot: add -h option to print basic instructions

Change-Id: I196033e44d50ebb73cf9b44cbdc94a2b8b4f98ce
---
 contrib/fsm-to-dot.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/contrib/fsm-to-dot.py b/contrib/fsm-to-dot.py
index 06d2df10..3e9678d3 100755
--- a/contrib/fsm-to-dot.py
+++ b/contrib/fsm-to-dot.py
@@ -15,6 +15,10 @@ No proper C parsing is done here (pycparser sucked, unfortunately).
 
 import sys, re, os
 
+if '-h' in sys.argv or '--help' in sys.argv:
+  print(__doc__)
+  exit(0)
+
 def err(msg):
   sys.stderr.write(msg + '\n')
 
-- 
cgit v1.2.3