rtcwake: align with howto-usage-function.txt

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/sys-utils/rtcwake.c b/sys-utils/rtcwake.c
index 591ef8bcae520e11f466019eaa12d321b41e8ac7..4aa5057fe63f1ec6845feae151cf5f1042000837 100644 (file)
--- a/sys-utils/rtcwake.c
+++ b/sys-utils/rtcwake.c
@@ -49,7 +49,6 @@
 
 #define MAX_LINE               1024
 
-#define VERSION_STRING         "rtcwake from " PACKAGE_STRING
 #define RTC_PATH               "/sys/class/rtc/%s/device/power/wakeup"
 #define SYS_POWER_STATE_PATH   "/sys/power/state"
 #define ADJTIME_PATH           "/etc/adjtime"
@@ -83,11 +82,11 @@ static struct option long_options[] = {
 
 static void __attribute__((__noreturn__)) usage(FILE *out)
 {
-       fputs(_("\nUsage:\n"), out);
+       fputs(USAGE_HEADER, out);
        fprintf(out,
              _(" %s [options]\n"), program_invocation_short_name);
 
-       fputs(_("\nOptions:\n"), out);
+       fputs(USAGE_OPTIONS, out);
        fputs(_(" -d, --device <device>    select rtc device (rtc0|rtc1|...)\n"
                " -n, --dry-run            does everything, but suspend\n"
                " -l, --local              RTC uses local timezone\n"
@@ -95,10 +94,13 @@ static void __attribute__((__noreturn__)) usage(FILE *out)
                " -s, --seconds <seconds>  seconds to sleep\n"
                " -t, --time <time_t>      time to wake\n"
                " -u, --utc                RTC uses UTC\n"
-               " -v, --verbose            verbose messages\n"
-               " -V, --version            show version\n"), out);
+               " -v, --verbose            verbose messages\n"), out);
 
-       fputs(_("\nFor more information see rtcwake(8).\n"), out);
+       printf(USAGE_SEPARATOR);
+       printf(USAGE_HELP);
+       printf(USAGE_VERSION);
+
+       printf(USAGE_MAN_TAIL("rtcwake(8)"));
 
        exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
 }
@@ -459,7 +461,7 @@ int main(int argc, char **argv)
                        break;
 
                case 'V':
-                       printf("%s\n", VERSION_STRING);
+                       printf(UTIL_LINUX_VERSION);
                        exit(EXIT_SUCCESS);
 
                case 'h':