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-rw-r--r--time/win32/time.c346
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diff --git a/time/win32/time.c b/time/win32/time.c
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+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_atime.h"
+#include "apr_time.h"
+#include "apr_general.h"
+#include "apr_lib.h"
+#include "apr_portable.h"
+#if APR_HAVE_TIME_H
+#include <time.h>
+#endif
+#if APR_HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#include <string.h>
+#include <winbase.h>
+#include "apr_arch_misc.h"
+
+/* Leap year is any year divisible by four, but not by 100 unless also
+ * divisible by 400
+ */
+#define IsLeapYear(y) ((!(y % 4)) ? (((y % 400) && !(y % 100)) ? 0 : 1) : 0)
+
+static DWORD get_local_timezone(TIME_ZONE_INFORMATION **tzresult)
+{
+ static TIME_ZONE_INFORMATION tz;
+ static DWORD result;
+ static int init = 0;
+
+ if (!init) {
+ result = GetTimeZoneInformation(&tz);
+ init = 1;
+ }
+
+ *tzresult = &tz;
+ return result;
+}
+
+static void SystemTimeToAprExpTime(apr_time_exp_t *xt, SYSTEMTIME *tm)
+{
+ static const int dayoffset[12] =
+ {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
+
+ if (tm->wMonth < 1 || tm->wMonth > 12)
+ return;
+
+ /* Note; the caller is responsible for filling in detailed tm_usec,
+ * tm_gmtoff and tm_isdst data when applicable.
+ */
+ xt->tm_usec = tm->wMilliseconds * 1000;
+ xt->tm_sec = tm->wSecond;
+ xt->tm_min = tm->wMinute;
+ xt->tm_hour = tm->wHour;
+ xt->tm_mday = tm->wDay;
+ xt->tm_mon = tm->wMonth - 1;
+ xt->tm_year = tm->wYear - 1900;
+ xt->tm_wday = tm->wDayOfWeek;
+ xt->tm_yday = dayoffset[xt->tm_mon] + (tm->wDay - 1);
+ xt->tm_isdst = 0;
+ xt->tm_gmtoff = 0;
+
+ /* If this is a leap year, and we're past the 28th of Feb. (the
+ * 58th day after Jan. 1), we'll increment our tm_yday by one.
+ */
+ if (IsLeapYear(tm->wYear) && (xt->tm_yday > 58))
+ xt->tm_yday++;
+}
+
+APR_DECLARE(apr_status_t) apr_time_ansi_put(apr_time_t *result,
+ time_t input)
+{
+ *result = (apr_time_t) input * APR_USEC_PER_SEC;
+ return APR_SUCCESS;
+}
+
+/* Return micro-seconds since the Unix epoch (jan. 1, 1970) UTC */
+APR_DECLARE(apr_time_t) apr_time_now(void)
+{
+ LONGLONG aprtime = 0;
+ FILETIME time;
+#ifndef _WIN32_WCE
+ GetSystemTimeAsFileTime(&time);
+#else
+ SYSTEMTIME st;
+ GetSystemTime(&st);
+ SystemTimeToFileTime(&st, &time);
+#endif
+ FileTimeToAprTime(&aprtime, &time);
+ return aprtime;
+}
+
+APR_DECLARE(apr_status_t) apr_time_exp_gmt(apr_time_exp_t *result,
+ apr_time_t input)
+{
+ FILETIME ft;
+ SYSTEMTIME st;
+ AprTimeToFileTime(&ft, input);
+ FileTimeToSystemTime(&ft, &st);
+ /* The Platform SDK documents that SYSTEMTIME/FILETIME are
+ * generally UTC, so no timezone info needed
+ * The time value makes a roundtrip, st cannot be invalid below.
+ */
+ SystemTimeToAprExpTime(result, &st);
+ result->tm_usec = (apr_int32_t) (input % APR_USEC_PER_SEC);
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_time_exp_tz(apr_time_exp_t *result,
+ apr_time_t input,
+ apr_int32_t offs)
+{
+ FILETIME ft;
+ SYSTEMTIME st;
+ AprTimeToFileTime(&ft, input + (offs * APR_USEC_PER_SEC));
+ FileTimeToSystemTime(&ft, &st);
+ /* The Platform SDK documents that SYSTEMTIME/FILETIME are
+ * generally UTC, so we will simply note the offs used.
+ * The time value makes a roundtrip, st cannot be invalid below.
+ */
+ SystemTimeToAprExpTime(result, &st);
+ result->tm_usec = (apr_int32_t) (input % APR_USEC_PER_SEC);
+ result->tm_gmtoff = offs;
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_time_exp_lt(apr_time_exp_t *result,
+ apr_time_t input)
+{
+ SYSTEMTIME st;
+ FILETIME ft, localft;
+
+ AprTimeToFileTime(&ft, input);
+
+#if APR_HAS_UNICODE_FS && !defined(_WIN32_WCE)
+ IF_WIN_OS_IS_UNICODE
+ {
+ TIME_ZONE_INFORMATION *tz;
+ SYSTEMTIME localst;
+ apr_time_t localtime;
+
+ get_local_timezone(&tz);
+
+ FileTimeToSystemTime(&ft, &st);
+
+ /* The Platform SDK documents that SYSTEMTIME/FILETIME are
+ * generally UTC. We use SystemTimeToTzSpecificLocalTime
+ * because FileTimeToLocalFileFime is documented that the
+ * resulting time local file time would have DST relative
+ * to the *present* date, not the date converted.
+ * The time value makes a roundtrip, localst cannot be invalid below.
+ */
+ SystemTimeToTzSpecificLocalTime(tz, &st, &localst);
+ SystemTimeToAprExpTime(result, &localst);
+ result->tm_usec = (apr_int32_t) (input % APR_USEC_PER_SEC);
+
+
+ /* Recover the resulting time as an apr time and use the
+ * delta for gmtoff in seconds (and ignore msec rounding)
+ */
+ SystemTimeToFileTime(&localst, &localft);
+ FileTimeToAprTime(&localtime, &localft);
+ result->tm_gmtoff = (int)apr_time_sec(localtime)
+ - (int)apr_time_sec(input);
+
+ /* To compute the dst flag, we compare the expected
+ * local (standard) timezone bias to the delta.
+ * [Note, in war time or double daylight time the
+ * resulting tm_isdst is, desireably, 2 hours]
+ */
+ result->tm_isdst = (result->tm_gmtoff / 3600)
+ - (-(tz->Bias + tz->StandardBias) / 60);
+ }
+#endif
+#if APR_HAS_ANSI_FS || defined(_WIN32_WCE)
+ ELSE_WIN_OS_IS_ANSI
+ {
+ TIME_ZONE_INFORMATION tz;
+ /* XXX: This code is simply *wrong*. The time converted will always
+ * map to the *now current* status of daylight savings time.
+ * The time value makes a roundtrip, st cannot be invalid below.
+ */
+
+ FileTimeToLocalFileTime(&ft, &localft);
+ FileTimeToSystemTime(&localft, &st);
+ SystemTimeToAprExpTime(result, &st);
+ result->tm_usec = (apr_int32_t) (input % APR_USEC_PER_SEC);
+
+ switch (GetTimeZoneInformation(&tz)) {
+ case TIME_ZONE_ID_UNKNOWN:
+ result->tm_isdst = 0;
+ /* Bias = UTC - local time in minutes
+ * tm_gmtoff is seconds east of UTC
+ */
+ result->tm_gmtoff = tz.Bias * -60;
+ break;
+ case TIME_ZONE_ID_STANDARD:
+ result->tm_isdst = 0;
+ result->tm_gmtoff = (tz.Bias + tz.StandardBias) * -60;
+ break;
+ case TIME_ZONE_ID_DAYLIGHT:
+ result->tm_isdst = 1;
+ result->tm_gmtoff = (tz.Bias + tz.DaylightBias) * -60;
+ break;
+ default:
+ /* noop */;
+ }
+ }
+#endif
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_time_exp_get(apr_time_t *t,
+ apr_time_exp_t *xt)
+{
+ apr_time_t year = xt->tm_year;
+ apr_time_t days;
+ static const int dayoffset[12] =
+ {306, 337, 0, 31, 61, 92, 122, 153, 184, 214, 245, 275};
+
+ if (xt->tm_mon < 0 || xt->tm_mon >= 12)
+ return APR_EBADDATE;
+
+ /* shift new year to 1st March in order to make leap year calc easy */
+
+ if (xt->tm_mon < 2)
+ year--;
+
+ /* Find number of days since 1st March 1900 (in the Gregorian calendar). */
+
+ days = year * 365 + year / 4 - year / 100 + (year / 100 + 3) / 4;
+ days += dayoffset[xt->tm_mon] + xt->tm_mday - 1;
+ days -= 25508; /* 1 jan 1970 is 25508 days since 1 mar 1900 */
+
+ days = ((days * 24 + xt->tm_hour) * 60 + xt->tm_min) * 60 + xt->tm_sec;
+
+ if (days < 0) {
+ return APR_EBADDATE;
+ }
+ *t = days * APR_USEC_PER_SEC + xt->tm_usec;
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_time_exp_gmt_get(apr_time_t *t,
+ apr_time_exp_t *xt)
+{
+ apr_status_t status = apr_time_exp_get(t, xt);
+ if (status == APR_SUCCESS)
+ *t -= (apr_time_t) xt->tm_gmtoff * APR_USEC_PER_SEC;
+ return status;
+}
+
+APR_DECLARE(apr_status_t) apr_os_imp_time_get(apr_os_imp_time_t **ostime,
+ apr_time_t *aprtime)
+{
+ /* TODO: Consider not passing in pointer to apr_time_t (e.g., call by value) */
+ AprTimeToFileTime(*ostime, *aprtime);
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_exp_time_get(apr_os_exp_time_t **ostime,
+ apr_time_exp_t *aprexptime)
+{
+ (*ostime)->wYear = aprexptime->tm_year + 1900;
+ (*ostime)->wMonth = aprexptime->tm_mon + 1;
+ (*ostime)->wDayOfWeek = aprexptime->tm_wday;
+ (*ostime)->wDay = aprexptime->tm_mday;
+ (*ostime)->wHour = aprexptime->tm_hour;
+ (*ostime)->wMinute = aprexptime->tm_min;
+ (*ostime)->wSecond = aprexptime->tm_sec;
+ (*ostime)->wMilliseconds = aprexptime->tm_usec / 1000;
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_imp_time_put(apr_time_t *aprtime,
+ apr_os_imp_time_t **ostime,
+ apr_pool_t *cont)
+{
+ /* XXX: sanity failure, what is file time, gmt or local ?
+ */
+ FileTimeToAprTime(aprtime, *ostime);
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_exp_time_put(apr_time_exp_t *aprtime,
+ apr_os_exp_time_t **ostime,
+ apr_pool_t *cont)
+{
+ /* The Platform SDK documents that SYSTEMTIME/FILETIME are
+ * generally UTC, so no timezone info needed
+ */
+ if ((*ostime)->wMonth < 1 || (*ostime)->wMonth > 12)
+ return APR_EBADDATE;
+
+ SystemTimeToAprExpTime(aprtime, *ostime);
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(void) apr_sleep(apr_interval_time_t t)
+{
+ /* One of the few sane situations for a cast, Sleep
+ * is in ms, not us, and passed as a DWORD value
+ */
+ Sleep((DWORD)((t + 999) / 1000));
+}
+
+#if defined(_WIN32_WCE)
+/* A noop on WinCE, like Unix implementation */
+APR_DECLARE(void) apr_time_clock_hires(apr_pool_t *p)
+{
+ return;
+}
+#else
+static apr_status_t clock_restore(void *unsetres)
+{
+ ULONG newRes;
+ SetTimerResolution((ULONG)(apr_ssize_t)unsetres, FALSE, &newRes);
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(void) apr_time_clock_hires(apr_pool_t *p)
+{
+ ULONG newRes;
+ /* Timer resolution is stated in 100ns units. Note that TRUE requests the
+ * new clock resolution, FALSE above releases the request.
+ */
+ if (SetTimerResolution(10000, TRUE, &newRes) == 0 /* STATUS_SUCCESS */) {
+ /* register the cleanup... */
+ apr_pool_cleanup_register(p, (void*)10000, clock_restore,
+ apr_pool_cleanup_null);
+ }
+}
+#endif
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