From: Bartosz Golaszewski <bartekgola@gmail.com>
Date: Fri, 6 Jan 2017 14:29:02 +0000 (+0100)
Subject: gpiodetect: handle unrecognized options
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c848b4bbda542edef51d4b71ac65db4c05355299;p=qemu-gpiodev%2Flibgpiod.git

gpiodetect: handle unrecognized options

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
---

diff --git a/gpiodetect.c b/gpiodetect.c
index 8d58219..a5b87f3 100644
--- a/gpiodetect.c
+++ b/gpiodetect.c
@@ -40,6 +40,10 @@ int main(int argc, char **argv)
 			printf("Usage: %s\n", get_progname());
 			printf("List all GPIO chips\n");
 			exit(EXIT_SUCCESS);
+		case '?':
+			die("try %s --help", get_progname());
+		default:
+			abort();
 		}
 	}