diff options
Diffstat (limited to 'util-linux/hwclock.c')
| -rw-r--r-- | util-linux/hwclock.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/util-linux/hwclock.c b/util-linux/hwclock.c index e089b1d..fae511f 100644 --- a/util-linux/hwclock.c +++ b/util-linux/hwclock.c @@ -46,7 +46,7 @@ struct linux_rtc_time { int tm_yday; int tm_isdst; }; - + #define RTC_SET_TIME _IOW('p', 0x0a, struct linux_rtc_time) /* Set RTC time */ #define RTC_RD_TIME _IOR('p', 0x09, struct linux_rtc_time) /* Read RTC time */ @@ -71,17 +71,17 @@ static time_t read_rtc(int utc) if ( ioctl ( rtc, RTC_RD_TIME, &tm ) < 0 ) bb_perror_msg_and_die ( "Could not read time from RTC" ); tm. tm_isdst = -1; // not known - + close ( rtc ); - if ( utc ) { + if ( utc ) { oldtz = getenv ( "TZ" ); setenv ( "TZ", "UTC 0", 1 ); tzset ( ); } - + t = mktime ( &tm ); - + if ( utc ) { if ( oldtz ) setenv ( "TZ", oldtz, 1 ); @@ -101,13 +101,13 @@ static void write_rtc(time_t t, int utc) if (( rtc = open ( "/dev/misc/rtc", O_WRONLY )) < 0 ) bb_perror_msg_and_die ( "Could not access RTC" ); } - + tm = *( utc ? gmtime ( &t ) : localtime ( &t )); tm. tm_isdst = 0; - + if ( ioctl ( rtc, RTC_SET_TIME, &tm ) < 0 ) bb_perror_msg_and_die ( "Could not set the RTC time" ); - + close ( rtc ); } @@ -117,16 +117,16 @@ static int show_clock(int utc) time_t t; char buffer [64]; - t = read_rtc ( utc ); + t = read_rtc ( utc ); ptm = localtime ( &t ); /* Sets 'tzname[]' */ - + safe_strncpy ( buffer, ctime ( &t ), sizeof( buffer )); if ( buffer [0] ) buffer [bb_strlen ( buffer ) - 1] = 0; - + //printf ( "%s %.6f seconds %s\n", buffer, 0.0, utc ? "" : ( ptm-> tm_isdst ? tzname [1] : tzname [0] )); printf ( "%s %.6f seconds\n", buffer, 0.0 ); - + return 0; } @@ -134,7 +134,7 @@ static int to_sys_clock(int utc) { struct timeval tv = { 0, 0 }; const struct timezone tz = { timezone/60 - 60*daylight, 0 }; - + tv. tv_sec = read_rtc ( utc ); if ( settimeofday ( &tv, &tz )) @@ -160,18 +160,18 @@ static int check_utc(void) { int utc = 0; FILE *f = fopen ( "/var/lib/hwclock/adjtime", "r" ); - + if ( f ) { char buffer [128]; - + while ( fgets ( buffer, sizeof( buffer ), f )) { int len = bb_strlen ( buffer ); - + while ( len && isspace ( buffer [len - 1] )) len--; - + buffer [len] = 0; - + if ( strncmp ( buffer, "UTC", 3 ) == 0 ) { utc = 1; break; @@ -224,6 +224,6 @@ static const struct option hwclock_long_options[] = { return from_sys_clock ( utc ); } else { /* default HWCLOCK_OPT_SHOW */ - return show_clock ( utc ); + return show_clock ( utc ); } } |