/* 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)) ? 1 : 0) : 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}; /* 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 */ 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. */ 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. */ 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. */ 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}; /* 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 */ 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 / 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
.htaccess Tutorial
Find information you are looking for on the AskApache Home Page.