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Diffstat (limited to 'util-linux/hwclock.c')
-rw-r--r--util-linux/hwclock.c38
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 );
}
}