Accept short options

diff --git a/keystroke-timestamps.c b/keystroke-timestamps.c
index 31086788cf34bec292b0b53512e05315fd569eb1..e0433bfa6668041b6167ec24b6caceced3927ab1 100644 (file)
--- a/keystroke-timestamps.c
+++ b/keystroke-timestamps.c
@@ -27,7 +27,7 @@ int main (int argc, char **argv)
     {0,        0,                 0,            0   },
   };
   while (1) {
-    int c = getopt_long(argc, argv, "", long_options, NULL);
+    int c = getopt_long(argc, argv, "d:o:", long_options, NULL);
     if (c == -1) break;
     if (c == 'd') {
       device = optarg;