Start packet mmap work

[babeltrace.git] / converter / babeltrace.c

diff --git a/converter/babeltrace.c b/converter/babeltrace.c
index b603dee53e22a555b0f7b94c9dda7e3651c71ddf..dd6b9a2c40c3f3079a8c920e336eaa16a112058f 100644 (file)
--- a/converter/babeltrace.c
+++ b/converter/babeltrace.c
@@ -69,7 +69,8 @@ static void list_formats(FILE *fp)
 
 static void usage(FILE *fp)
 {
-       fprintf(fp, "Babeltrace %u.%u\n\n", BABELTRACE_VERSION_MAJOR,
+       fprintf(fp, "BabelTrace Trace Converter %u.%u\n\n",
+               BABELTRACE_VERSION_MAJOR,
                BABELTRACE_VERSION_MINOR);
        fprintf(fp, "usage : babeltrace [OPTIONS] INPUT OUTPUT\n");
        fprintf(fp, "\n");
@@ -96,6 +97,11 @@ static int parse_options(int argc, char **argv)
        poptContext pc;
        int opt, ret = 0;
 
+       if (argc == 1) {
+               usage(stdout);
+               return 1;       /* exit cleanly */
+       }
+
        pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
        poptReadDefaultConfig(pc, 0);