1/* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ATIME_H 18#define ATIME_H 19 20#include "apr_private.h" 21#include "apr_time.h" 22#if APR_HAVE_TIME_H 23#include <time.h> 24#endif 25 26struct atime_t { 27 apr_pool_t *cntxt; 28 apr_time_t currtime; 29 SYSTEMTIME *explodedtime; 30}; 31 32 33/* Number of micro-seconds between the beginning of the Windows epoch 34 * (Jan. 1, 1601) and the Unix epoch (Jan. 1, 1970) 35 */ 36#define APR_DELTA_EPOCH_IN_USEC APR_TIME_C(11644473600000000); 37 38 39static APR_INLINE void FileTimeToAprTime(apr_time_t *result, FILETIME *input) 40{ 41 /* Convert FILETIME one 64 bit number so we can work with it. */ 42 *result = input->dwHighDateTime; 43 *result = (*result) << 32; 44 *result |= input->dwLowDateTime; 45 *result /= 10; /* Convert from 100 nano-sec periods to micro-seconds. */ 46 *result -= APR_DELTA_EPOCH_IN_USEC; /* Convert from Windows epoch to Unix epoch */ 47 return; 48} 49 50 51static APR_INLINE void AprTimeToFileTime(LPFILETIME pft, apr_time_t t) 52{ 53 LONGLONG ll; 54 t += APR_DELTA_EPOCH_IN_USEC; 55 ll = t * 10; 56 pft->dwLowDateTime = (DWORD)ll; 57 pft->dwHighDateTime = (DWORD) (ll >> 32); 58 return; 59} 60 61 62#endif /* ! ATIME_H */ 63 64