sway

commit 0d55d1a0676704acdab86da231fe16d7e61c4ccf
parent b235ccd212920db7e444716b7a36fcb4a36a3644
Author: Christoph Gysin <christoph.gysin@gmail.com>
Date:   Sat, 28 Nov 2015 16:09:19 +0200

swaymsg: Print usage and exit on unknown options

Diffstat:
M
swaymsg/main.c
 | 
11
+++++++++++

1 file changed, 11 insertions(+), 0 deletions(-)
diff --git a/swaymsg/main.c b/swaymsg/main.c
@@ -30,6 +30,14 @@ int main(int argc, char **argv) {
 		{0, 0, 0, 0}
 	};
 
+	const char *usage =
+		"Usage: swaymsg [options] [message]\n"
+		"\n"
+		"  -q, --quiet            Be quiet.\n"
+		"  -v, --version          Show the version number and quit.\n"
+		"  -s, --socket <socket>  Use the specified socket.\n"
+		"  -t, --type <type>      Specify the message type.\n";
+
 	int c;
 	while (1) {
 		int option_index = 0;
@@ -54,6 +62,9 @@ int main(int argc, char **argv) {
 #endif
 			exit(EXIT_SUCCESS);
 			break;
+		default:
+			fprintf(stderr, "%s", usage);
+			exit(EXIT_FAILURE);
 		}
 	}