diff options
| -rw-r--r-- | slstatus.c | 14 |
1 files changed, 8 insertions, 6 deletions
@@ -70,7 +70,7 @@ static char *wifi_perc(const char *iface); static char *wifi_essid(const char *iface); static char *kernel_release(void); static void sighandler(const int signo); -static void usage(void); +static void usage(int); char *argv0; char concat[]; @@ -756,10 +756,10 @@ sighandler(const int signo) } static void -usage(void) +usage(int eval) { - fprintf(stderr, "usage: %s [-dhov]\n", argv0); - exit(1); + fprintf(stderr, "usage: %s [-d] [-o] [-v] [-h]\n", argv0); + exit(eval); } int @@ -781,12 +781,14 @@ main(int argc, char *argv[]) case 'v': printf("slstatus %s (C) 2016 slstatus engineers\n", VERSION); return 0; + case 'h': + usage(0); default: - usage(); + usage(1); } ARGEND if (dflag && oflag) { - usage(); + usage(1); } if (dflag && daemon(1, 1) < 0) { err(1, "daemon"); |