#include <h/mh.h> /* for snprintf() */
#include <h/nmh.h>
#include <h/tws.h>
+#include <time.h>
-#if !defined(HAVE_STRUCT_TM_TM_GMTOFF) && !defined(HAVE_TZSET)
-# include <sys/timeb.h>
-#endif
-
-#ifdef TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-#if !defined(HAVE_STRUCT_TM_TM_GMTOFF) && defined(HAVE_TZSET)
-extern int daylight;
+#if !defined(HAVE_STRUCT_TM_TM_GMTOFF)
extern long timezone;
-extern char *tzname[];
-#endif
-
-#ifndef abs
-# define abs(a) (a >= 0 ? a : -a)
#endif
/*
int shift;
};
-static struct zone zones[] = {
- { "GMT", "BST", 0 },
- { "EST", "EDT", -5 },
- { "CST", "CDT", -6 },
- { "MST", "MDT", -7 },
- { "PST", "PDT", -8 },
-#if 0
-/* RFC1123 specifies do not use military TZs */
- { "A", NULL, -1 },
- { "B", NULL, -2 },
- { "C", NULL, -3 },
- { "D", NULL, -4 },
- { "E", NULL, -5 },
- { "F", NULL, -6 },
- { "G", NULL, -7 },
- { "H", NULL, -8 },
- { "I", NULL, -9 },
- { "K", NULL, -10 },
- { "L", NULL, -11 },
- { "M", NULL, -12 },
- { "N", NULL, 1 },
-#ifndef HUJI
- { "O", NULL, 2 },
-#else
- { "JST", "JDT", 2 },
-#endif
- { "P", NULL, 3 },
- { "Q", NULL, 4 },
- { "R", NULL, 5 },
- { "S", NULL, 6 },
- { "T", NULL, 7 },
- { "U", NULL, 8 },
- { "V", NULL, 9 },
- { "W", NULL, 10 },
- { "X", NULL, 11 },
- { "Y", NULL, 12 },
-#endif
- { NULL, NULL, 0 }
-};
-
static int dmsize[] = {
31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
};
static struct tws tw;
struct tm *tm;
-#if !defined(HAVE_STRUCT_TM_TM_GMTOFF) && !defined(HAVE_TZSET)
- struct timeb tb;
-#endif
-
if (!clock)
return NULL;
tw.tw_mday = tm->tm_mday;
tw.tw_mon = tm->tm_mon;
- /*
- * tm_year is always "year - 1900".
- * So we correct for this.
- */
+ /* tm_year is always "year - 1900". So we correct for this. */
tw.tw_year = tm->tm_year + 1900;
tw.tw_wday = tm->tm_wday;
tw.tw_yday = tm->tm_yday;
if (tm->tm_isdst) /* if DST is in effect */
tw.tw_zone -= 60; /* reset to normal offset */
#else
-# ifdef HAVE_TZSET
tzset();
tw.tw_zone = -(timezone / 60);
-# else
- ftime(&tb);
- tw.tw_zone = -tb.timezone;
-# endif
#endif
tw.tw_flags &= ~TW_SDAY;
tw.tw_mday = tm->tm_mday;
tw.tw_mon = tm->tm_mon;
- /*
- * tm_year is always "year - 1900"
- * So we correct for this.
- */
+ /* tm_year is always "year - 1900". So we correct for this. */
tw.tw_year = tm->tm_year + 1900;
tw.tw_wday = tm->tm_wday;
tw.tw_yday = tm->tm_yday;
/*
** Produce a date/time string of the form
**
-** Mon, 16 Jun 1992 15:30:48 -700 (or)
-** Mon, 16 Jun 1992 15:30:48 EDT
+** Mon, 16 Jun 1992 15:30:48 -0700
**
-** for the current time, as specified by rfc822.
-** The first form is required by rfc1123.
+** for the current time, as specified by rfc822 and rfc1123.
*/
-
char *
-dtimenow(int alpha_timezone)
+dtimenow(void)
{
time_t clock;
time(&clock);
- return dtime(&clock, alpha_timezone);
+ return dtime(&clock);
}
** Using a local calendar time value, produce
** a date/time string of the form
**
-** Mon, 16 Jun 1992 15:30:48 -700 (or)
-** Mon, 16 Jun 1992 15:30:48 EDT
+** Mon, 16 Jun 1992 15:30:48 -0700
**
-** as specified by rfc822. The first form is required
-** by rfc1123 for outgoing messages.
+** as specified by rfc822 and rfc1123.
*/
-
char *
-dtime(time_t *clock, int alpha_timezone)
+dtime(time_t *clock)
{
- if (alpha_timezone)
- /* use alpha-numeric timezones */
- return dasctime(dlocaltime(clock), TW_NULL);
- else
- /* use numeric timezones */
- return dasctime(dlocaltime(clock), TW_ZONE);
+ return dasctime(dlocaltime(clock));
}
**
** as specified by rfc822 and rfc1123.
*/
-
char *
-dasctime(struct tws *tw, int flags)
+dasctime(struct tws *tw)
{
char buffer[80];
static char result[80];
if ((tw->tw_flags & TW_SZONE) == TW_SZNIL)
result[0] = '\0';
else
- snprintf(result, sizeof(result), " %s", dtimezone(tw->tw_zone, tw->tw_flags | flags));
+ snprintf(result, sizeof(result), " %s", dtimezone(tw->tw_zone, tw->tw_flags));
snprintf(buffer, sizeof(buffer), "%02d %s %0*d %02d:%02d:%02d%s",
tw->tw_mday, tw_moty[tw->tw_mon],
/*
-** Get the timezone for given offset
+** Get the timezone for given offset as numeric value.
*/
-
char *
dtimezone(int offset, int flags)
{
int hours, mins;
- struct zone *z;
static char buffer[10];
if (offset < 0) {
hours = offset / 60;
}
- if (!(flags & TW_ZONE) && mins == 0) {
-#if defined(HAVE_TZSET) && defined(HAVE_TZNAME)
- tzset();
- return ((flags & TW_DST) ? tzname[1] : tzname[0]);
-#else
- for (z = zones; z->std; z++)
- if (z->shift == hours)
- return (z->dst && (flags & TW_DST) ? z->dst : z->std);
-#endif
- }
-
#ifdef ADJUST_NUMERIC_ONLY_TZ_OFFSETS_WRT_DST
if (flags & TW_DST)
hours += 1;
twscopy(struct tws *tb, struct tws *tw)
{
*tb = *tw; /* struct copy */
-
-#if 0
- tb->tw_sec = tw->tw_sec;
- tb->tw_min = tw->tw_min;
- tb->tw_hour = tw->tw_hour;
- tb->tw_mday = tw->tw_mday;
- tb->tw_mon = tw->tw_mon;
- tb->tw_year = tw->tw_year;
- tb->tw_wday = tw->tw_wday;
- tb->tw_yday = tw->tw_yday;
- tb->tw_zone = tw->tw_zone;
- tb->tw_clock = tw->tw_clock;
- tb->tw_flags = tw->tw_flags;
-#endif
}