diff options
Diffstat (limited to 'util-linux/hwclock.c')
| -rw-r--r-- | util-linux/hwclock.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/util-linux/hwclock.c b/util-linux/hwclock.c index ac89d45..b830057 100644 --- a/util-linux/hwclock.c +++ b/util-linux/hwclock.c @@ -37,20 +37,20 @@ #endif static time_t read_rtc(const char **pp_rtcname, struct timeval *sys_tv, int utc) { - struct tm tm; + struct tm tm_time; int fd; fd = rtc_xopen(pp_rtcname, O_RDONLY); - rtc_read_tm(&tm, fd); + rtc_read_tm(&tm_time, fd); #if SHOW_HWCLOCK_DIFF { - int before = tm.tm_sec; + int before = tm_time.tm_sec; while (1) { - rtc_read_tm(&tm, fd); + rtc_read_tm(&tm_time, fd); gettimeofday(sys_tv, NULL); - if (before != tm.tm_sec) + if (before != tm_time.tm_sec) break; } } @@ -59,7 +59,7 @@ static time_t read_rtc(const char **pp_rtcname, struct timeval *sys_tv, int utc) if (ENABLE_FEATURE_CLEAN_UP) close(fd); - return rtc_tm2time(&tm, utc); + return rtc_tm2time(&tm_time, utc); } static void show_clock(const char **pp_rtcname, int utc) @@ -110,7 +110,7 @@ static void to_sys_clock(const char **pp_rtcname, int utc) static void from_sys_clock(const char **pp_rtcname, int utc) { #define TWEAK_USEC 200 - struct tm tm; + struct tm tm_time; struct timeval tv; unsigned adj = TWEAK_USEC; int rtc = rtc_xopen(pp_rtcname, O_WRONLY); @@ -132,10 +132,10 @@ static void from_sys_clock(const char **pp_rtcname, int utc) /* Prepare tm */ if (utc) - gmtime_r(&t, &tm); /* may read /etc/xxx (it takes time) */ + gmtime_r(&t, &tm_time); /* may read /etc/xxx (it takes time) */ else - localtime_r(&t, &tm); /* same */ - tm.tm_isdst = 0; + localtime_r(&t, &tm_time); /* same */ + tm_time.tm_isdst = 0; /* gmtime/localtime took some time, re-get cur time */ gettimeofday(&tv, NULL); @@ -166,7 +166,7 @@ static void from_sys_clock(const char **pp_rtcname, int utc) usleep(rem_usec - adj); } - xioctl(rtc, RTC_SET_TIME, &tm); + xioctl(rtc, RTC_SET_TIME, &tm_time); /* Debug aid to find "good" TWEAK_USEC. * Look for a value which makes tv_usec close to 999999 or 0. |