diff options
-rw-r--r-- | dimension/main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/dimension/main.c b/dimension/main.c index 6e40c08..80bc6e6 100644 --- a/dimension/main.c +++ b/dimension/main.c @@ -81,11 +81,12 @@ main(int argc, char **argv) break; case '?': - print_usage(stdout, argv[0]); /* '?' is returned as an error code too */ if (optopt == 0) { + print_usage(stdout, argv[0]); return EXIT_SUCCESS; } else { + print_usage(stderr, argv[0]); return EXIT_FAILURE; } case DMNSN_OPT_VERSION: |