static long date_to_julian(int y, int m, int d);
static void julian_to_date(long jd, int *y, int *m, int *d);
-static int julian_adj(struct tm *tm, int off_day, long offset_sec,
- long *pday, int *psec);
int OPENSSL_gmtime_adj(struct tm *tm, int off_day, long offset_sec)
{
- int time_sec, time_year, time_month, time_day;
- long time_jd;
-
- /* Convert time and offset into julian day and seconds */
- if (!julian_adj(tm, off_day, offset_sec, &time_jd, &time_sec))
- return 0;
-
- /* Convert Julian day back to date */
-
- julian_to_date(time_jd, &time_year, &time_month, &time_day);
-
- if (time_year < 1900 || time_year > 9999)
- return 0;
-
- /* Update tm structure */
-
- tm->tm_year = time_year - 1900;
- tm->tm_mon = time_month - 1;
- tm->tm_mday = time_day;
-
- tm->tm_hour = time_sec / 3600;
- tm->tm_min = (time_sec / 60) % 60;
- tm->tm_sec = time_sec % 60;
-
- return 1;
-
-}
-
-int OPENSSL_gmtime_diff(struct tm *from, struct tm *to, int *pday, int *psec)
- {
- int from_sec, to_sec, diff_sec;
- long from_jd, to_jd, diff_day;
- if (!julian_adj(from, 0, 0, &from_jd, &from_sec))
- return 0;
- if (!julian_adj(to, 0, 0, &to_jd, &to_sec))
- return 0;
- diff_day = to_jd - from_jd;
- diff_sec = to_sec - from_sec;
- /* Adjust differences so both positive or both negative */
- if (diff_day > 0 && diff_sec < 0)
- {
- diff_day--;
- diff_sec += SECS_PER_DAY;
- }
- if (diff_day < 0 && diff_sec > 0)
- {
- diff_day++;
- diff_sec -= SECS_PER_DAY;
- }
-
- *pday = (int)diff_day;
- *psec = diff_sec;
-
- return 1;
-
- }
-
-
-/* Convert tm structure and offset into julian day and seconds */
-static int julian_adj(struct tm *tm, int off_day, long offset_sec,
- long *pday, int *psec)
- {
int offset_hms, offset_day;
long time_jd;
int time_year, time_month, time_day;
if (time_jd < 0)
return 0;
- *pday = time_jd;
- *psec = offset_hms;
- return 1;
- }
+ /* Convert Julian day back to date */
+
+ julian_to_date(time_jd, &time_year, &time_month, &time_day);
+
+ if (time_year < 1900 || time_year > 9999)
+ return 0;
+
+ /* Update tm structure */
+ tm->tm_year = time_year - 1900;
+ tm->tm_mon = time_month - 1;
+ tm->tm_mday = time_day;
+
+ tm->tm_hour = offset_hms / 3600;
+ tm->tm_min = (offset_hms / 60) % 60;
+ tm->tm_sec = offset_hms % 60;
+
+ return 1;
+
+}
/* Convert date to and from julian day
* Uses Fliegel & Van Flandern algorithm
int check_time(long offset)
{
- struct tm tm1, tm2, o1;
- int off_day, off_sec;
- long toffset;
+ struct tm tm1, tm2;
time_t t1, t2;
time(&t1);
t2 = t1 + offset;
OPENSSL_gmtime(&t2, &tm2);
OPENSSL_gmtime(&t1, &tm1);
- o1 = tm1;
OPENSSL_gmtime_adj(&tm1, 0, offset);
- if ((tm1.tm_year != tm2.tm_year) ||
- (tm1.tm_mon != tm2.tm_mon) ||
- (tm1.tm_mday != tm2.tm_mday) ||
- (tm1.tm_hour != tm2.tm_hour) ||
- (tm1.tm_min != tm2.tm_min) ||
- (tm1.tm_sec != tm2.tm_sec))
- {
- fprintf(stderr, "TIME ERROR!!\n");
- fprintf(stderr, "Time1: %d/%d/%d, %d:%02d:%02d\n",
- tm2.tm_mday, tm2.tm_mon + 1, tm2.tm_year + 1900,
- tm2.tm_hour, tm2.tm_min, tm2.tm_sec);
- fprintf(stderr, "Time2: %d/%d/%d, %d:%02d:%02d\n",
- tm1.tm_mday, tm1.tm_mon + 1, tm1.tm_year + 1900,
- tm1.tm_hour, tm1.tm_min, tm1.tm_sec);
- return 0;
- }
- OPENSSL_gmtime_diff(&o1, &tm1, &off_day, &off_sec);
- toffset = (long)off_day * SECS_PER_DAY + off_sec;
- if (offset != toffset)
- {
- fprintf(stderr, "TIME OFFSET ERROR!!\n");
- fprintf(stderr, "Expected %ld, Got %ld (%d:%d)\n",
- offset, toffset, off_day, off_sec);
- return 0;
- }
- return 1;
+ if ((tm1.tm_year == tm2.tm_year) &&
+ (tm1.tm_mon == tm2.tm_mon) &&
+ (tm1.tm_mday == tm2.tm_mday) &&
+ (tm1.tm_hour == tm2.tm_hour) &&
+ (tm1.tm_min == tm2.tm_min) &&
+ (tm1.tm_sec == tm2.tm_sec))
+ return 1;
+ fprintf(stderr, "TIME ERROR!!\n");
+ fprintf(stderr, "Time1: %d/%d/%d, %d:%02d:%02d\n",
+ tm2.tm_mday, tm2.tm_mon + 1, tm2.tm_year + 1900,
+ tm2.tm_hour, tm2.tm_min, tm2.tm_sec);
+ fprintf(stderr, "Time2: %d/%d/%d, %d:%02d:%02d\n",
+ tm1.tm_mday, tm1.tm_mon + 1, tm1.tm_year + 1900,
+ tm1.tm_hour, tm1.tm_min, tm1.tm_sec);
+ return 0;
}
#endif