Consistencely allow '-?' to get a help text.

[can-utils.git] / canplayer.c

diff --git a/canplayer.c b/canplayer.c
index 074f6a9a6143a387706254716de4749edeeb47db..16946223741b12d2ee29e426b94f1c15fc383bfa 100644 (file)
--- a/canplayer.c
+++ b/canplayer.c
@@ -245,7 +245,7 @@ int main(int argc, char **argv)
        int eof, nbytes, i, j;
        char *fret;
 
-       while ((opt = getopt(argc, argv, "I:l:tg:s:xv")) != -1) {
+       while ((opt = getopt(argc, argv, "I:l:tg:s:xv?")) != -1) {
                switch (opt) {
                case 'I':
                        infile = fopen(optarg, "r");
@@ -289,6 +289,7 @@ int main(int argc, char **argv)
                        verbose++;
                        break;
 
+               case '?':
                default:
                        print_usage(basename(argv[0]));
                        return 1;