diff options
Diffstat (limited to 'pingu.c')
| -rw-r--r-- | pingu.c | 13 |
1 files changed, 11 insertions, 2 deletions
@@ -188,8 +188,14 @@ int do_ping(struct sockaddr_in *to, int seq, int retries, float timeout) return -1; } +static void print_version(const char *program) +{ + printf("%s " PINGU_VERSION "\n", program); +} + int usage(const char *program) { + print_version(program); fprintf(stderr, "usage: %s [-dh] [-c CONFIG] [-p PIDFILE]\n" "options:\n" " -c Read configuration from FILE (default is " @@ -198,6 +204,7 @@ int usage(const char *program) " -h Show this help\n" " -p Use PIDFILE as pidfile (default is " DEFAULT_PIDFILE ")\n" + " -V Print version and exit\n" "\n", program); return 1; @@ -305,7 +312,7 @@ int main(int argc, char *argv[]) struct provider_list providers; char *config_file = DEFAULT_CONFIG; - while ((c = getopt(argc, argv, "c:dhp:")) != -1) { + while ((c = getopt(argc, argv, "c:dhp:V")) != -1) { switch (c) { case 'c': config_file = optarg; @@ -315,10 +322,12 @@ int main(int argc, char *argv[]) break; case 'h': return usage(basename(argv[0])); - return; case 'p': pid_file = optarg; break; + case 'V': + print_version(basename(argv[0])); + return 0; } } |