diff options
Diffstat (limited to 'util-linux/hwclock.c')
| -rw-r--r-- | util-linux/hwclock.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/util-linux/hwclock.c b/util-linux/hwclock.c index 3e2c2aa..6b4e29b 100644 --- a/util-linux/hwclock.c +++ b/util-linux/hwclock.c @@ -60,25 +60,31 @@ static void show_clock(const char **pp_rtcname, int utc) #if SHOW_HWCLOCK_DIFF struct timeval sys_tv; #endif - time_t t; - char *cp; + time_t t = read_rtc(pp_rtcname, &sys_tv, utc); - t = read_rtc(pp_rtcname, &sys_tv, utc); - cp = ctime(&t); +#if ENABLE_LOCALE_SUPPORT + /* Standard hwclock uses locale-specific output format */ + char cp[64]; + struct tm *ptm = localtime(&t); + strftime(cp, sizeof(cp), "%c", ptm); +#else + char *cp = ctime(&t); strchrnul(cp, '\n')[0] = '\0'; +#endif + #if !SHOW_HWCLOCK_DIFF printf("%s 0.000000 seconds\n", cp); #else { long diff = sys_tv.tv_sec - t; if (diff < 0 /*&& tv.tv_usec != 0*/) { - /* Why? */ - /* diff >= 0 is ok: diff < 0, can't just use tv.tv_usec: */ - /* 45.520820 43.520820 */ - /* - 44.000000 - 45.000000 */ - /* = 1.520820 = -1.479180, not -2.520820! */ + /* Why we need diff++? */ + /* diff >= 0 is ok: | diff < 0, can't just use tv.tv_usec: */ + /* 45.520820 | 43.520820 */ + /* - 44.000000 | - 45.000000 */ + /* = 1.520820 | = -1.479180, not -2.520820! */ diff++; - /* should be 1000000 - tv.tv_usec, but then we must check tv.tv_usec != 0 */ + /* Should be 1000000 - tv.tv_usec, but then we must check tv.tv_usec != 0 */ sys_tv.tv_usec = 999999 - sys_tv.tv_usec; } printf("%s %ld.%06lu seconds\n", cp, diff, (unsigned long)sys_tv.tv_usec); |