static inline time_t conv_stamp(struct directory *dir)
{
struct tm *tmbuf;
long tzone, dst;
time_t accum, tmp;
accum = DOS_YEAR(dir) - 1970; /* years past */
/* days passed */
accum = accum * 365L + month[DOS_MONTH(dir)-1] + DOS_DAY(dir);
/* leap years */
accum += (DOS_YEAR(dir) - 1972) / 4L;
/* back off 1 day if before 29 Feb */
if (!(DOS_YEAR(dir) % 4) && DOS_MONTH(dir) < 3)
accum--;
accum = accum * 24L + DOS_HOUR(dir); /* hours passed */
accum = accum * 60L + DOS_MINUTE(dir); /* minutes passed */
accum = accum * 60L + DOS_SEC(dir); /* seconds passed */
#ifndef OS_Minix
/* correct for Time Zone */
#ifdef HAVE_GETTIMEOFDAY
{
struct timeval tv;
struct timezone tz;
gettimeofday(&tv, &tz);
tzone = tz.tz_minuteswest * 60L;
}
#else
#ifdef HAVE_TZSET
{
#ifndef OS_ultrix
/* Ultrix defines this to be a different type */
extern long timezone;
#endif
tzset();
tzone = (long) timezone;
}
#else
tzone = 0;
#endif /* HAVE_TZSET */
#endif /* HAVE_GETTIMEOFDAY */
accum += tzone;
#endif /* OS_Minix */
/* correct for Daylight Saving Time */
tmp = accum;
tmbuf = localtime(&tmp);
#ifndef OS_Minix
dst = (tmbuf->tm_isdst) ? (-60L * 60L) : 0L;
accum += dst;
#endif
return accum;
}
/*
* Print an MSDOS directory time stamp.
*/
static __inline__ void print_time(struct directory *dir)
{
char am_pm;
int hour = DOS_HOUR(dir);
if(!mtools_twenty_four_hour_clock) {
am_pm = (hour >= 12) ? 'p' : 'a';
if (hour > 12)
hour = hour - 12;
if (hour == 0)
hour = 12;
} else
am_pm = ' ';
printf("%2d:%02d%c", hour, DOS_MINUTE(dir), am_pm);
}
