Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master

1 files changed, 265 insertions, 0 deletions

diff --git a/ext/date/lib/unixtime2tm.c b/ext/date/lib/unixtime2tm.c
new file mode 100644
index 0000000..c177fee
--- /dev/null
+++ b/ext/date/lib/unixtime2tm.c
@@ -0,0 +1,265 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP Version 5                                                        |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997-2013 The PHP Group                                |
+   +----------------------------------------------------------------------+
+   | This source file is subject to version 3.01 of the PHP license,      |
+   | that is bundled with this package in the file LICENSE, and is        |
+   | available through the world-wide-web at the following url:           |
+   | http://www.php.net/license/3_01.txt                                  |
+   | If you did not receive a copy of the PHP license and are unable to   |
+   | obtain it through the world-wide-web, please send a note to          |
+   | license@php.net so we can mail you a copy immediately.               |
+   +----------------------------------------------------------------------+
+   | Authors: Derick Rethans <derick@derickrethans.nl>                    |
+   +----------------------------------------------------------------------+
+ */
+
+/* $Id$ */
+
+#include "timelib.h"
+
+#include <stdio.h>
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#else
+#include <strings.h>
+#endif
+
+static int month_tab_leap[12] = { -1, 30, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 };
+static int month_tab[12] =      { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 };
+
+
+/* Converts a Unix timestamp value into broken down time, in GMT */
+void timelib_unixtime2gmt(timelib_time* tm, timelib_sll ts)
+{
+	timelib_sll days, remainder, tmp_days;
+	timelib_sll cur_year = 1970;
+	timelib_sll i;
+	timelib_sll hours, minutes, seconds;
+	int *months;
+
+	days = ts / SECS_PER_DAY;
+	remainder = ts - (days * SECS_PER_DAY);
+	if (ts < 0 && remainder == 0) {
+		days++;
+		remainder -= SECS_PER_DAY;
+	}
+	TIMELIB_DEBUG(printf("days=%lld, rem=%lld\n", days, remainder););
+
+	if (ts >= 0) {
+		tmp_days = days + 1;
+
+		if (tmp_days >= DAYS_PER_LYEAR_PERIOD || tmp_days <= -DAYS_PER_LYEAR_PERIOD) {
+			cur_year += YEARS_PER_LYEAR_PERIOD * (tmp_days / DAYS_PER_LYEAR_PERIOD);
+			tmp_days -= DAYS_PER_LYEAR_PERIOD * (tmp_days / DAYS_PER_LYEAR_PERIOD);
+		}
+
+		while (tmp_days >= DAYS_PER_LYEAR) {
+			cur_year++;
+			if (timelib_is_leap(cur_year)) {
+				tmp_days -= DAYS_PER_LYEAR;
+			} else {
+				tmp_days -= DAYS_PER_YEAR;
+			}
+		}
+	} else {
+		tmp_days = days;
+
+		/* Guess why this might be for, it has to do with a pope ;-). It's also
+		 * only valid for Great Brittain and it's colonies. It needs fixing for
+		 * other locales. *sigh*, why is this crap so complex! */
+		/*
+		if (ts <= TIMELIB_LL_CONST(-6857352000)) {
+			tmp_days -= 11;
+		}
+		*/
+
+		while (tmp_days <= 0) {
+			if (tmp_days < -1460970) {
+				cur_year -= 4000;
+				TIMELIB_DEBUG(printf("tmp_days=%lld, year=%lld\n", tmp_days, cur_year););
+				tmp_days += 1460970;
+			} else {
+				cur_year--;
+				TIMELIB_DEBUG(printf("tmp_days=%lld, year=%lld\n", tmp_days, cur_year););
+				if (timelib_is_leap(cur_year)) {
+					tmp_days += DAYS_PER_LYEAR;
+				} else {
+					tmp_days += DAYS_PER_YEAR;
+				}
+			}
+		}
+		remainder += SECS_PER_DAY;
+	}
+	TIMELIB_DEBUG(printf("tmp_days=%lld, year=%lld\n", tmp_days, cur_year););
+
+	months = timelib_is_leap(cur_year) ? month_tab_leap : month_tab;
+	if (timelib_is_leap(cur_year) && cur_year < 1970) {
+		tmp_days--;
+	}
+	i = 11;
+	while (i > 0) {
+		TIMELIB_DEBUG(printf("month=%lld (%d)\n", i, months[i]););
+		if (tmp_days > months[i]) {
+			break;
+		}
+		i--;
+	}
+	TIMELIB_DEBUG(printf("A: ts=%lld, year=%lld, month=%lld, day=%lld,", ts, cur_year, i + 1, tmp_days - months[i]););
+
+	/* That was the date, now we do the tiiiime */
+	hours = remainder / 3600;
+	minutes = (remainder - hours * 3600) / 60;
+	seconds = remainder % 60;
+	TIMELIB_DEBUG(printf(" hour=%lld, minute=%lld, second=%lld\n", hours, minutes, seconds););
+
+	tm->y = cur_year;
+	tm->m = i + 1;
+	tm->d = tmp_days - months[i];
+	tm->h = hours;
+	tm->i = minutes;
+	tm->s = seconds;
+	tm->z = 0;
+	tm->dst = 0;
+	tm->sse = ts;
+	tm->sse_uptodate = 1;
+	tm->tim_uptodate = 1;
+	tm->is_localtime = 0;
+}
+
+void timelib_update_from_sse(timelib_time *tm)
+{
+	timelib_sll sse;
+
+	sse = tm->sse;
+	
+	switch (tm->zone_type) {
+		case TIMELIB_ZONETYPE_ABBR:
+		case TIMELIB_ZONETYPE_OFFSET: {
+			int z = tm->z;
+			signed int dst = tm->dst;
+			
+			timelib_unixtime2gmt(tm, tm->sse - (tm->z * 60) + (tm->dst * 3600));
+
+			tm->z = z;
+			tm->dst = dst;
+			goto cleanup;
+		}
+
+		case TIMELIB_ZONETYPE_ID: {
+			timelib_time_offset *gmt_offset;
+			
+			gmt_offset = timelib_get_time_zone_info(tm->sse, tm->tz_info);
+			timelib_unixtime2gmt(tm, tm->sse + gmt_offset->offset);
+			timelib_time_offset_dtor(gmt_offset);
+			
+			goto cleanup;
+		}
+
+		default:
+			timelib_unixtime2gmt(tm, tm->sse);
+			goto cleanup;
+	}
+cleanup:
+	tm->sse = sse;
+	tm->is_localtime = 1;
+	tm->have_zone = 1;
+}
+
+void timelib_unixtime2local(timelib_time *tm, timelib_sll ts)
+{
+	timelib_time_offset *gmt_offset;
+	timelib_tzinfo      *tz = tm->tz_info;
+
+	switch (tm->zone_type) {
+		case TIMELIB_ZONETYPE_ABBR:
+		case TIMELIB_ZONETYPE_OFFSET: {
+			int z = tm->z;
+			signed int dst = tm->dst;
+			
+			timelib_unixtime2gmt(tm, ts - (tm->z * 60) + (tm->dst * 3600));
+
+			tm->z = z;
+			tm->dst = dst;
+			break;
+		}
+
+		case TIMELIB_ZONETYPE_ID:
+			gmt_offset = timelib_get_time_zone_info(ts, tz);
+			timelib_unixtime2gmt(tm, ts + gmt_offset->offset);
+
+			/* we need to reset the sse here as unixtime2gmt modifies it */
+			tm->sse = ts; 
+			tm->dst = gmt_offset->is_dst;
+			tm->z = gmt_offset->offset;
+			tm->tz_info = tz;
+
+			timelib_time_tz_abbr_update(tm, gmt_offset->abbr);
+			timelib_time_offset_dtor(gmt_offset);
+			break;
+
+		default:
+			tm->is_localtime = 0;
+			tm->have_zone = 0;
+			return;
+	}
+
+	tm->is_localtime = 1;
+	tm->have_zone = 1;
+}
+
+void timelib_set_timezone(timelib_time *t, timelib_tzinfo *tz)
+{
+	timelib_time_offset *gmt_offset;
+
+	gmt_offset = timelib_get_time_zone_info(t->sse, tz);
+	t->z = gmt_offset->offset;
+/*
+	if (t->dst != gmt_offset->is_dst) {
+		printf("ERROR (%d, %d)\n", t->dst, gmt_offset->is_dst);
+		exit(1);
+	}
+*/
+	t->dst = gmt_offset->is_dst;
+	t->tz_info = tz;
+	if (t->tz_abbr) {
+		free(t->tz_abbr);
+	}
+	t->tz_abbr = strdup(gmt_offset->abbr);
+	timelib_time_offset_dtor(gmt_offset);
+
+	t->have_zone = 1;
+	t->zone_type = TIMELIB_ZONETYPE_ID;
+}
+
+/* Converts the time stored in the struct to localtime if localtime = true,
+ * otherwise it converts it to gmttime. This is only done when necessary
+ * ofcourse. */
+int timelib_apply_localtime(timelib_time *t, unsigned int localtime)
+{
+	if (localtime) {
+		/* Converting from GMT time to local time */
+		TIMELIB_DEBUG(printf("Converting from GMT time to local time\n"););
+
+		/* Check if TZ is set */
+		if (!t->tz_info) {
+			TIMELIB_DEBUG(printf("E: No timezone configured, can't switch to local time\n"););
+			return -1;
+		}
+
+		timelib_unixtime2local(t, t->sse);
+	} else {
+		/* Converting from local time to GMT time */
+		TIMELIB_DEBUG(printf("Converting from local time to GMT time\n"););
+
+		timelib_unixtime2gmt(t, t->sse);
+	}
+	return 0;
+}