support -h

diff --git a/rline/rline.c b/rline/rline.c
index 703d329e8a8080a878ec3ef8b99903a2ea229d2a..4e9718b3bf33ea87ff1e5a2437a7bd87f7da9392 100644 (file)
--- a/rline/rline.c
+++ b/rline/rline.c
@@ -188,7 +188,7 @@ int main(int argc, char *argv[])
        int fd1[2], fd2[2];
        char *prompt;
 
-       if (argc < 2) {
+       if (argc < 2 || argv[1][0] == '-') {
                usage();
                exit(1);
        }