From f872966ce8bc61a91af733f405ba8fcce18f85a2 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Tue, 12 Jun 2018 12:03:51 +0930
Subject: [PATCH] tools/configurator: Better argument handling, particularly
 unknown arguments.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 tools/configurator/configurator.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/configurator/configurator.c b/tools/configurator/configurator.c
index dae15446..afb67ca8 100644
--- a/tools/configurator/configurator.c
+++ b/tools/configurator/configurator.c
@@ -752,6 +752,10 @@ int main(int argc, const char *argv[])
 			headerfile = argv[1] + 14;
 			argc--;
 			argv++;
+		} else if (strcmp(argv[1], "--") == 0) {
+			break;
+		} else if (argv[1][0] == '-') {
+			c12r_errx(2, "Unknown option %s", argv[1]);
 		} else {
 			break;
 		}
-- 
2.39.2