From 30d479c28c831a0d4f1fdb54a9e346b0fc176be1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 08:23:09 +0200 Subject: Adding upstream version 1.7.2. Signed-off-by: Daniel Baumann --- time/win32/time.c | 346 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 346 insertions(+) create mode 100644 time/win32/time.c (limited to 'time/win32/time.c') diff --git a/time/win32/time.c b/time/win32/time.c new file mode 100644 index 0000000..170a9ee --- /dev/null +++ b/time/win32/time.c @@ -0,0 +1,346 @@ +/* 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 +#endif +#if APR_HAVE_ERRNO_H +#include +#endif +#include +#include +#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 -- cgit v1.2.3