From 3c13da3dab539eac948de48640d8862857d0c8d0 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Wed, 30 Dec 2020 23:48:01 +0100 Subject: libbb: introduce and use xgettimeofday(), do not truncate 64-bit time_t in shells function old new delta xgettimeofday - 11 +11 get_local_var_value 280 281 +1 svlogd_main 1323 1322 -1 change_epoch 67 66 -1 timestamp_and_log 461 458 -3 hwclock_main 301 298 -3 fmt_time_bernstein_25 135 132 -3 step_time 331 326 -5 script_main 1207 1202 -5 machtime 34 28 -6 curtime 61 54 -7 ts_main 423 415 -8 nmeter_main 761 751 -10 gettime1900d 67 46 -21 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/12 up/down: 12/-73) Total: -61 bytes Signed-off-by: Denys Vlasenko --- util-linux/hwclock.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'util-linux/hwclock.c') diff --git a/util-linux/hwclock.c b/util-linux/hwclock.c index 25db7cdad..723b09589 100644 --- a/util-linux/hwclock.c +++ b/util-linux/hwclock.c @@ -79,7 +79,7 @@ static time_t read_rtc(const char **pp_rtcname, struct timeval *sys_tv, int utc) int before = tm_time.tm_sec; while (1) { rtc_read_tm(&tm_time, fd); - gettimeofday(sys_tv, NULL); + xgettimeofday(sys_tv); if (before != (int)tm_time.tm_sec) break; } @@ -205,7 +205,7 @@ static void from_sys_clock(const char **pp_rtcname, int utc) int rtc; rtc = rtc_xopen(pp_rtcname, O_WRONLY); - gettimeofday(&tv, NULL); + xgettimeofday(&tv); /* Prepare tm_time */ if (sizeof(time_t) == sizeof(tv.tv_sec)) { if (utc) @@ -253,7 +253,7 @@ static void from_sys_clock(const char **pp_rtcname, int utc) unsigned rem_usec; time_t t; - gettimeofday(&tv, NULL); + xgettimeofday(&tv); t = tv.tv_sec; rem_usec = 1000000 - tv.tv_usec; @@ -274,7 +274,7 @@ static void from_sys_clock(const char **pp_rtcname, int utc) } /* gmtime/localtime took some time, re-get cur time */ - gettimeofday(&tv, NULL); + xgettimeofday(&tv); if (tv.tv_sec < t /* we are still in old second */ || (tv.tv_sec == t && tv.tv_usec < adj) /* not too far into next second */ -- cgit v1.2.3