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-rwxr-xr-xcontrib/fsm-to-dot.py4
1 files changed, 4 insertions, 0 deletions
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')