static int open_rtc_or_exit(const struct hwclock_control *ctl)
{
int rtc_fd = open_rtc(ctl);
if (rtc_fd < 0) {
warn(_("cannot open rtc device"));
hwclock_exit(ctl, EXIT_FAILURE);
}
return rtc_fd;
}
static int open_rtc_or_exit(void)
{
int rtc_fd = open_rtc();
if (rtc_fd < 0) {
warn(_("cannot open %s"), rtc_dev_name);
hwclock_exit(EX_OSFILE);
}
return rtc_fd;
}
static int
open_rtc_or_exit(void) {
int rtc_fd = open_rtc();
if (rtc_fd < 0) {
outsyserr(_("open() of %s failed"), rtc_dev_name);
hwclock_exit(EX_OSFILE);
}
return rtc_fd;
}
static int
set_hardware_clock_rtc(const struct tm *new_broken_time) {
/*-------------------------------------------------------------------------
Set the Hardware Clock to the broken down time <new_broken_time>.
Use ioctls to "rtc" device /dev/rtc.
-------------------------------------------------------------------------*/
int rc = -1;
int rtc_fd;
char *ioctlname;
rtc_fd = open_rtc_or_exit();
#ifdef __sparc__
{
struct sparc_rtc_time stm;
stm.sec = new_broken_time->tm_sec;
stm.min = new_broken_time->tm_min;
stm.hour = new_broken_time->tm_hour;
stm.dom = new_broken_time->tm_mday;
stm.month = new_broken_time->tm_mon + 1;
stm.year = new_broken_time->tm_year + 1900;
stm.dow = new_broken_time->tm_wday + 1;
ioctlname = "RTCSET";
rc = ioctl(rtc_fd, RTCSET, &stm);
}
#endif
if (rc == -1) { /* no sparc, or RTCSET failed */
ioctlname = "RTC_SET_TIME";
rc = ioctl(rtc_fd, RTC_SET_TIME, new_broken_time);
}
if (rc == -1) {
perror(ioctlname);
fprintf(stderr, _("ioctl() to %s to set the time failed.\n"),
rtc_dev_name);
hwclock_exit(EX_IOERR);
}
if (debug)
printf(_("ioctl(%s) was successful.\n"), ioctlname);
return 0;
}
/*
* Set the Hardware Clock to the time <new_broken_time>. Use ioctls to
* /dev/tty1 on what we assume is an m68k machine.
*
* Note that we don't use /dev/console here. That might be a serial console.
*/
static int set_hardware_clock_kd(const struct tm *new_broken_time)
{
struct hwclk_time t;
t.sec = new_broken_time->tm_sec;
t.min = new_broken_time->tm_min;
t.hour = new_broken_time->tm_hour;
t.day = new_broken_time->tm_mday;
t.mon = new_broken_time->tm_mon;
t.year = new_broken_time->tm_year;
t.wday = new_broken_time->tm_wday;
if (ioctl(con_fd, KDSHWCLK, &t) == -1) {
warn(_("ioctl KDSHWCLK failed"));
hwclock_exit(EX_IOERR);
}
return 0;
}
/*
* Read the hardware clock and return the current time via <tm> argument.
* Use ioctls to /dev/tty1 on what we assume is an m68k machine.
*
* Note that we don't use /dev/console here. That might be a serial console.
*/
static int read_hardware_clock_kd(struct tm *tm)
{
struct hwclk_time t;
if (ioctl(con_fd, KDGHWCLK, &t) == -1) {
warn(_("ioctl() failed to read time from %s"),
con_fd_filename);
hwclock_exit(EX_IOERR);
}
tm->tm_sec = t.sec;
tm->tm_min = t.min;
tm->tm_hour = t.hour;
tm->tm_mday = t.day;
tm->tm_mon = t.mon;
tm->tm_year = t.year;
tm->tm_wday = t.wday;
tm->tm_isdst = -1; /* Don't know if it's Daylight Savings Time */
return 0;
}
/*
* Set the Hardware Clock to the broken down time <new_broken_time>. Use
* ioctls to "rtc" device /dev/rtc.
*/
static int set_hardware_clock_rtc(const struct hwclock_control *ctl,
const struct tm *new_broken_time)
{
int rc = -1;
int rtc_fd;
char *ioctlname;
rtc_fd = open_rtc_or_exit(ctl);
ioctlname = "RTC_SET_TIME";
rc = ioctl(rtc_fd, RTC_SET_TIME, new_broken_time);
#ifdef __sparc__
if (rc == -1) { /* sparc sbus */
struct sparc_rtc_time stm;
stm.sec = new_broken_time->tm_sec;
stm.min = new_broken_time->tm_min;
stm.hour = new_broken_time->tm_hour;
stm.dom = new_broken_time->tm_mday;
stm.month = new_broken_time->tm_mon + 1;
stm.year = new_broken_time->tm_year + 1900;
stm.dow = new_broken_time->tm_wday + 1;
ioctlname = "RTCSET";
rc = ioctl(rtc_fd, RTCSET, &stm);
}
#endif
if (rc == -1) {
warn(_("ioctl(%s) to %s to set the time failed"),
ioctlname, rtc_dev_name);
hwclock_exit(ctl, EXIT_FAILURE);
}
if (ctl->verbose)
printf(_("ioctl(%s) was successful.\n"), ioctlname);
return 0;
}