diff options
| -rw-r--r-- | netlink-notify.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/netlink-notify.c b/netlink-notify.c index 2d60f7b..834878f 100644 --- a/netlink-notify.c +++ b/netlink-notify.c @@ -8,12 +8,13 @@ #include "netlink-notify.h" -const static char optstring[] = "ht:v"; +const static char optstring[] = "ht:vV"; const static struct option options_long[] = { /* name has_arg flag val */ { "help", no_argument, NULL, 'h' }, { "timeout", required_argument, NULL, 't' }, { "verbose", no_argument, NULL, 'v' }, + { "version", no_argument, NULL, 'V' }, { 0, 0, 0, 0 } }; @@ -457,6 +458,7 @@ void received_signal(int signal) { int main (int argc, char **argv) { int rc = EXIT_FAILURE; int i, nls; + unsigned int version = 0, help = 0; program = argv[0]; @@ -464,19 +466,29 @@ int main (int argc, char **argv) { while ((i = getopt_long(argc, argv, optstring, options_long, NULL)) != -1) { switch (i) { case 'h': - printf("usage: %s [-h] [-t TIMEOUT] [-v[v]]\n", program); - rc = EXIT_SUCCESS; - goto out40; + help++; + break; case 't': notification_timeout = atof(optarg) * 1000; break; case 'v': verbose++; break; + case 'V': + verbose++; + version++; + break; } } - printf ("%s: %s v%s (compiled: " __DATE__ ", " __TIME__ ")\n", program, PROGNAME, VERSION); + if (verbose > 0) + printf ("%s: %s v%s (compiled: " __DATE__ ", " __TIME__ ")\n", program, PROGNAME, VERSION); + + if (help > 0) + printf("usage: %s [-h] [-t TIMEOUT] [-v[v]] [-V]\n", program); + + if (version > 0 || help > 0) + return EXIT_SUCCESS; if ((nls = open_netlink()) < 0) { fprintf (stderr, "%s: Error opening netlink socket!\n", program); |