rtcwake: remove a static variable

function                                             old     new   delta
rtc_time                                               4       -      -4
rtcwake_main                                         479     474      -5
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/1 up/down: 0/-9)               Total: -9 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/util-linux/rtcwake.c b/util-linux/rtcwake.c
index ee2f031b4..4d2be00f5 100644
--- a/util-linux/rtcwake.c
+++ b/util-linux/rtcwake.c
@@ -30,8 +30,6 @@
 #define SYS_POWER_PATH "/sys/power/state"
 #define DEFAULT_MODE   "standby"
 
-static time_t rtc_time;
-
 static NOINLINE bool may_wakeup(const char *rtcname)
 {
         ssize_t ret;
@@ -50,7 +48,7 @@ static NOINLINE bool may_wakeup(const char *rtcname)
         return strncmp(buf, "enabled\n", 8) == 0;
 }
 
-static NOINLINE void setup_alarm(int fd, time_t *wakeup)
+static NOINLINE void setup_alarm(int fd, time_t *wakeup, time_t rtc_time)
 {
         struct tm *tm;
         struct linux_rtc_wkalrm wake;
@@ -102,6 +100,8 @@ static NOINLINE void setup_alarm(int fd, time_t *wakeup)
 int rtcwake_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rtcwake_main(int argc UNUSED_PARAM, char **argv)
 {
+        time_t rtc_time;
+
         unsigned opt;
         const char *rtcname = NULL;
         const char *suspend;
@@ -170,7 +170,7 @@ int rtcwake_main(int argc UNUSED_PARAM, char **argv)
                 alarm_time += sys_time - rtc_time;
         } else
                 alarm_time = rtc_time + seconds + 1;
-        setup_alarm(fd, &alarm_time);
+        setup_alarm(fd, &alarm_time, rtc_time);
 
         sync();
         printf("wakeup from \"%s\" at %s", suspend, ctime(&alarm_time));