X-Git-Url: https://iankelling.org/git/?p=evhz;a=blobdiff_plain;f=evhz.c;h=217e8b0710f4c5fe86a991fd82733a94e468d3bc;hp=a34fd83277723d9397905669bc8a47451ef10a1b;hb=f9fcef9f295ac082affd059ad28241f052fcdca4;hpb=86e80de6d1c5759421e1f9702a798f05cda42207

diff --git a/evhz.c b/evhz.c
index a34fd83..217e8b0 100644
--- a/evhz.c
+++ b/evhz.c
@@ -28,20 +28,27 @@ int main(int argc, char *argv[]) {
 	int optch;
 	int i;
 	event_t events[EVENTS];
-	int verbose = 0;
+	int verbose = 1;
 
-	while((optch = getopt(argc, argv, "hv")) != -1) {
+	while((optch = getopt(argc, argv, "hn")) != -1) {
 		switch(optch) {
 			case('h'):
-				printf("Usage: %s [-v|-h]\n", argv[0]);
+				printf("Usage: %s [-n|-h]\n", argv[0]);
+				printf("-n     nonverbose\n");
+				printf("-h     help\n");
 				return 0;
 				break;
-			case('v'):
-				verbose = 1;
+			case('n'):
+				verbose = 0;
 				break;
 		}
 	}
 
+    if(geteuid() != 0) {
+        printf("%s must be used as superuser\n", argv[0]);
+        return 1;
+    }
+
 	signal(SIGINT, sigint);
 
 	printf("Press CTRL-C to exit.\n\n");
@@ -50,7 +57,7 @@ int main(int argc, char *argv[]) {
 
 	// List input devices
 	for(i = 0; i < EVENTS; i++) {
-		char device[18];
+		char device[19];
 
 		sprintf(device, "/dev/input/event%i", i);
 		events[i].fd = open(device, O_RDONLY);