*
* Copyright (C) 2002 Robert Griebl <griebl@gmx.de>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <sys/ioctl.h>
-#include <sys/time.h>
#include <sys/utsname.h>
#include <ctype.h>
#include <fcntl.h>
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 */
-#ifdef CONFIG_FEATURE_HWCLOCK_LONGOPTIONS
+#if ENABLE_FEATURE_HWCLOCK_LONG_OPTIONS
# ifndef _GNU_SOURCE
# define _GNU_SOURCE
# endif
if (( rtc = open ( "/dev/misc/rtc", O_RDONLY )) < 0 )
bb_perror_msg_and_die ( "Could not access RTC" );
}
- memset ( &tm, 0, sizeof( struct tm ));
+ memset ( &tm, 0, sizeof( struct tm ));
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
+ tm.tm_isdst = -1; /* not known */
close ( rtc );
}
tm = *( utc ? gmtime ( &t ) : localtime ( &t ));
- tm. tm_isdst = 0;
+ tm.tm_isdst = 0;
if ( ioctl ( rtc, RTC_SET_TIME, &tm ) < 0 )
bb_perror_msg_and_die ( "Could not set the RTC time" );
{
struct tm *ptm;
time_t t;
- char buffer [64];
+ RESERVE_CONFIG_BUFFER(buffer, 64);
t = read_rtc ( utc );
ptm = localtime ( &t ); /* Sets 'tzname[]' */
- safe_strncpy ( buffer, ctime ( &t ), sizeof( buffer ));
+ safe_strncpy ( buffer, ctime ( &t ), 64);
if ( buffer [0] )
- buffer [bb_strlen ( buffer ) - 1] = 0;
+ buffer [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 );
+ RELEASE_CONFIG_BUFFER(buffer);
return 0;
}
struct timeval tv = { 0, 0 };
const struct timezone tz = { timezone/60 - 60*daylight, 0 };
- tv. tv_sec = read_rtc ( utc );
+ tv.tv_sec = read_rtc ( utc );
if ( settimeofday ( &tv, &tz ))
bb_perror_msg_and_die ( "settimeofday() failed" );
if ( gettimeofday ( &tv, &tz ))
bb_perror_msg_and_die ( "gettimeofday() failed" );
- write_rtc ( tv. tv_sec, utc );
+ write_rtc ( tv.tv_sec, utc );
return 0;
}
-
+#ifdef CONFIG_FEATURE_HWCLOCK_ADJTIME_FHS
+# define ADJTIME_PATH "/var/lib/hwclock/adjtime"
+#else
+# define ADJTIME_PATH "/etc/adjtime"
+#endif
static int check_utc(void)
{
int utc = 0;
- FILE *f = fopen ( "/var/lib/hwclock/adjtime", "r" );
+ FILE *f = fopen ( ADJTIME_PATH, "r" );
if ( f ) {
- char buffer [128];
+ RESERVE_CONFIG_BUFFER(buffer, 128);
while ( fgets ( buffer, sizeof( buffer ), f )) {
- int len = bb_strlen ( buffer );
+ int len = strlen ( buffer );
while ( len && isspace ( buffer [len - 1] ))
len--;
}
}
fclose ( f );
+ RELEASE_CONFIG_BUFFER(buffer);
}
return utc;
}
-#define HWCLOCK_OPT_LOCALTIME 1
-#define HWCLOCK_OPT_UTC 2
-#define HWCLOCK_OPT_SHOW 4
-#define HWCLOCK_OPT_HCTOSYS 8
-#define HWCLOCK_OPT_SYSTOHC 16
+#define HWCLOCK_OPT_LOCALTIME 0x01
+#define HWCLOCK_OPT_UTC 0x02
+#define HWCLOCK_OPT_SHOW 0x04
+#define HWCLOCK_OPT_HCTOSYS 0x08
+#define HWCLOCK_OPT_SYSTOHC 0x10
-extern int hwclock_main ( int argc, char **argv )
+int hwclock_main ( int argc, char **argv )
{
unsigned long opt;
int utc;
-#ifdef CONFIG_FEATURE_HWCLOCK_LONGOPTIONS
+#if ENABLE_FEATURE_HWCLOCK_LONG_OPTIONS
static const struct option hwclock_long_options[] = {
{ "localtime", 0, 0, 'l' },
{ "utc", 0, 0, 'u' },
bb_applet_long_options = hwclock_long_options;
#endif
- bb_opt_complementaly = "r~ws:w~rs:s~wr:l~u:u~l";
+ bb_opt_complementally = "?:r--ws:w--rs:s--wr:l--u:u--l";
opt = bb_getopt_ulflags(argc, argv, "lursw");
- /* Check only one mode was given */
- if(opt & 0x80000000UL) {
- bb_show_usage();
- }
/* If -u or -l wasn't given check if we are using utc */
- if (opt & (HWCLOCK_OPT_UTC | HWCLOCK_OPT_LOCALTIME))
+ if (opt & (HWCLOCK_OPT_UTC | HWCLOCK_OPT_LOCALTIME))
utc = opt & HWCLOCK_OPT_UTC;
else
utc = check_utc();
-
+
if (opt & HWCLOCK_OPT_HCTOSYS) {
return to_sys_clock ( utc );
}