1016 lines
33 KiB
C
1016 lines
33 KiB
C
/*
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* Nt time functions.
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*
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* RtlTimeToTimeFields, RtlTimeFieldsToTime and defines are taken from ReactOS and
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* adapted to wine with special permissions of the author. This code is
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* Copyright 2002 Rex Jolliff (rex@lvcablemodem.com)
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*
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* Copyright 1999 Juergen Schmied
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include <time.h>
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "windef.h"
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#include "winbase.h"
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#include "winreg.h"
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#include "winternl.h"
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#include "wine/unicode.h"
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#include "wine/debug.h"
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#include "ntdll_misc.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
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static CRITICAL_SECTION TIME_GetBias_section;
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static CRITICAL_SECTION_DEBUG critsect_debug =
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{
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0, 0, &TIME_GetBias_section,
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{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
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0, 0, { 0, (DWORD)(__FILE__ ": TIME_GetBias_section") }
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};
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static CRITICAL_SECTION TIME_GetBias_section = { &critsect_debug, -1, 0, 0, 0, 0 };
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/* TimeZone registry key values */
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static const WCHAR TZInformationKeyW[] = { 'M','a','c','h','i','n','e','\\',
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'S','Y','S','T','E','M','\\','C','u','r','r','e','n','t','C','o','n','t','r',
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'o','l','S','e','t','\\','C','o','n','t','r','o','l','\\','T','i','m','e','z',
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'o','n','e','I','n','f','o','r','m','a','t','i','o','n', 0};
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static const WCHAR TZStandardStartW[] = {
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'S','t','a','n','d','a','r','d','s','t','a','r','t', 0};
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static const WCHAR TZDaylightStartW[] = {
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'D','a','y','l','i','g','h','t','s','t','a','r','t', 0};
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static const WCHAR TZDaylightBiasW[] = {
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'D','a','y','l','i','g','h','t','B','i','a','s', 0};
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static const WCHAR TZStandardBiasW[] = {
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'S','t','a','n','d','a','r','d','B','i','a','s', 0};
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static const WCHAR TZBiasW[] = {'B','i','a','s', 0};
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static const WCHAR TZDaylightNameW[] = {
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'D','a','y','l','i','g','h','t','N','a','m','e', 0};
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static const WCHAR TZStandardNameW[] = {
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'S','t','a','n','d','a','r','d','N','a','m','e', 0};
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#define SETTIME_MAX_ADJUST 120
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/* This structure is used to store strings that represent all of the time zones
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* in the world. (This is used to help GetTimeZoneInformation)
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*/
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struct tagTZ_INFO
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{
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const char *psTZFromUnix;
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WCHAR psTZWindows[32];
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int bias;
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int dst;
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};
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static const struct tagTZ_INFO TZ_INFO[] =
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{
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{"MHT",
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{'D','a','t','e','l','i','n','e',' ','S','t','a','n','d','a','r','d',' ',
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'T','i','m','e','\0'}, -720, 0},
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{"SST",
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{'S','a','m','o','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m',
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'e','\0'}, 660, 0},
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{"HST",
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{'H','a','w','a','i','i','a','n',' ','S','t','a','n','d','a','r','d',' ',
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'T','i','m','e','\0'}, 600, 0},
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{"AKDT",
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{'A','l','a','s','k','a','n',' ','S','t','a','n','d','a','r','d',' ','T',
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'i','m','e','\0'}, 480, 1},
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{"PST",
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{'P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T',
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'i','m','e','\0'}, 480, 0},
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{"PDT",
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{'P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T',
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'i','m','e','\0'}, 420, 1},
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{"MST",
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{'U','S',' ','M','o','u','n','t','a','i','n',' ','S','t','a','n','d','a',
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'r','d',' ','T','i','m','e','\0'}, 420, 0},
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{"MDT",
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{'M','o','u','n','t','a','i','n',' ','S','t','a','n','d','a','r','d',' ',
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'T','i','m','e','\0'}, 360, 1},
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{"CST",
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{'C','e','n','t','r','a','l',' ','A','m','e','r','i','c','a',' ','S','t',
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'a','n','d','a','r','d',' ','T','i','m','e','\0'}, 360, 0},
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{"CDT",
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{'C','e','n','t','r','a','l',' ','S','t','a','n','d','a','r','d',' ','T',
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'i','m','e','\0'}, 300, 1},
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{"COT",
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{'S','A',' ','P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r',
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'd',' ','T','i','m','e','\0'}, 300, 0},
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{"EDT",
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{'E','a','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T',
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'i','m','e','\0'}, 240, 1},
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{"EST",
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{'U','S',' ','E','a','s','t','e','r','n',' ','S','t','a','n','d','a','r',
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'd',' ','T','i','m','e','\0'}, 300, 0},
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{"ADT",
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{'A','t','l','a','n','t','i','c',' ','S','t','a','n','d','a','r','d',' ',
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'T','i','m','e','\0'}, 180, 1},
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{"VET",
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{'S','A',' ','W','e','s','t','e','r','n',' ','S','t','a','n','d','a','r',
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'd',' ','T','i','m','e','\0'}, 240, 0},
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{"CLT",
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{'P','a','c','i','f','i','c',' ','S','A',' ','S','t','a','n','d','a','r',
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'd',' ','T','i','m','e','\0'}, 240, 0},
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{"NDT",
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{'N','e','w','f','o','u','n','d','l','a','n','d',' ','S','t','a','n','d',
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'a','r','d',' ','T','i','m','e','\0'}, 150, 1},
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{"BRT",
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{'E','.',' ','S','o','u','t','h',' ','A','m','e','r','i','c','a',' ','S',
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't','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 180, 0},
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{"ART",
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{'S','A',' ','E','a','s','t','e','r','n',' ','S','t','a','n','d','a','r',
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'd',' ','T','i','m','e','\0'}, 180, 0},
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{"WGST",
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{'G','r','e','e','n','l','a','n','d',' ','S','t','a','n','d','a','r','d',
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' ','T','i','m','e','\0'}, 120, 1},
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{"GST",
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{'M','i','d','-','A','t','l','a','n','t','i','c',' ','S','t','a','n','d',
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'a','r','d',' ','T','i','m','e','\0'}, 120, 0},
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{"AZOST",
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{'A','z','o','r','e','s',' ','S','t','a','n','d','a','r','d',' ','T','i',
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'm','e','\0'}, 0, 1},
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{"CVT",
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{'C','a','p','e',' ','V','e','r','d','e',' ','S','t','a','n','d','a','r',
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'd',' ','T','i','m','e','\0'}, 60, 0},
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{"WET",
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{'G','r','e','e','n','w','i','c','h',' ','S','t','a','n','d','a','r','d',
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' ','T','i','m','e','\0'}, 0, 0},
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{"BST",
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{'G','M','T',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
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-60, 1},
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{"GMT",
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{'G','M','T',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
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0, 0},
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{"UTC",
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{'G','M','T',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
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0, 0},
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{"CET",
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{'C','e','n','t','r','a','l',' ','E','u','r','o','p','e','a','n',' ',
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'T','i','m','e','\0'}, -60, 0},
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{"CEST",
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{'C','e','n','t','r','a','l',' ','E','u','r','o','p','e',' ','S','t','a',
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'n','d','a','r','d',' ','T','i','m','e','\0'}, -120, 1},
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{"MET",
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{'C','e','n','t','r','a','l',' ','E','u','r','o','p','e',' ','S','t','a',
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'n','d','a','r','d',' ','T','i','m','e','\0'}, -60, 0},
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{"MEST",
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{'C','e','n','t','r','a','l',' ','E','u','r','o','p','e',' ','D','a','y',
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'l','i','g','h','t',' ','T','i','m','e','\0'}, -120, 1},
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{"WAT",
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{'W','.',' ','C','e','n','t','r','a','l',' ','A','f','r','i','c','a',' ',
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'S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -60, 0},
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{"EEST",
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{'E','.',' ','E','u','r','o','p','e',' ','S','t','a','n','d','a','r','d',
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' ','T','i','m','e','\0'}, -180, 1},
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{"EET",
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{'E','g','y','p','t',' ','S','t','a','n','d','a','r','d',' ','T','i','m',
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'e','\0'}, -120, 0},
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{"CAT",
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{'S','o','u','t','h',' ','A','f','r','i','c','a',' ','S','t','a','n','d',
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'a','r','d',' ','T','i','m','e','\0'}, -120, 0},
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{"IST",
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{'I','s','r','a','e','l',' ','S','t','a','n','d','a','r','d',' ','T','i',
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'm','e','\0'}, -120, 0},
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{"MSK",
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{'R','u','s','s','i','a','n',' ','S','t','a','n','d','a','r','d',' ','T',
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'i','m','e','\0'}, -180, 0},
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{"ADT",
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{'A','r','a','b','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i',
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'm','e','\0'}, -240, 1},
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{"AST",
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{'A','r','a','b',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e',
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'\0'}, -180, 0},
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{"MSD",
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{'R','u','s','s','i','a','n',' ','S','t','a','n','d','a','r','d',' ','T',
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'i','m','e','\0'}, -240, 1},
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{"EAT",
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{'E','.',' ','A','f','r','i','c','a',' ','S','t','a','n','d','a','r','d',
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' ','T','i','m','e','\0'}, -180, 0},
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{"IRST",
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{'I','r','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e',
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'\0'}, -270, 1},
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{"GST",
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{'A','r','a','b','i','a','n',' ','S','t','a','n','d','a','r','d',' ','T',
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'i','m','e','\0'}, -240, 0},
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{"AZST",
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{'C','a','u','c','a','s','u','s',' ','S','t','a','n','d','a','r','d',' ',
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'T','i','m','e','\0'}, -300, 1},
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{"AFT",
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{'A','f','g','h','a','n','i','s','t','a','n',' ','S','t','a','n','d','a',
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'r','d',' ','T','i','m','e','\0'}, -270, 0},
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{"YEKST",
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{'E','k','a','t','e','r','i','n','b','u','r','g',' ','S','t','a','n','d',
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'a','r','d',' ','T','i','m','e','\0'}, -360, 1},
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{"PKT",
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{'W','e','s','t',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',
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' ','T','i','m','e','\0'}, -300, 0},
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{"IST",
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{'I','n','d','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m',
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'e','\0'}, -330, 0},
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{"NPT",
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{'N','e','p','a','l',' ','S','t','a','n','d','a','r','d',' ','T','i','m',
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'e','\0'}, -345, 0},
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{"ALMST",
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{'N','.',' ','C','e','n','t','r','a','l',' ','A','s','i','a',' ','S','t',
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'a','n','d','a','r','d',' ','T','i','m','e','\0'}, -420, 1},
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{"BDT",
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{'C','e','n','t','r','a','l',' ','A','s','i','a',' ','S','t','a','n','d',
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'a','r','d',' ','T','i','m','e','\0'}, -360, 0},
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{"LKT",
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{'S','r','i',' ','L','a','n','k','a',' ','S','t','a','n','d','a','r','d',
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' ','T','i','m','e','\0'}, -360, 0},
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{"MMT",
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{'M','y','a','n','m','a','r',' ','S','t','a','n','d','a','r','d',' ','T',
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'i','m','e','\0'}, -390, 0},
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{"ICT",
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{'S','E',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T',
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'i','m','e','\0'}, -420, 0},
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{"KRAST",
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{'N','o','r','t','h',' ','A','s','i','a',' ','S','t','a','n','d','a','r',
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'd',' ','T','i','m','e','\0'}, -480, 1},
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{"CST",
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{'C','h','i','n','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m',
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'e','\0'}, -480, 0},
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{"IRKST",
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{'N','o','r','t','h',' ','A','s','i','a',' ','E','a','s','t',' ','S','t',
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'a','n','d','a','r','d',' ','T','i','m','e','\0'}, -540, 1},
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{"SGT",
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{'M','a','l','a','y',' ','P','e','n','i','n','s','u','l','a',' ','S','t',
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'a','n','d','a','r','d',' ','T','i','m','e','\0'}, -480, 0},
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{"WST",
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{'W','.',' ','A','u','s','t','r','a','l','i','a',' ','S','t','a','n','d',
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'a','r','d',' ','T','i','m','e','\0'}, -480, 0},
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{"JST",
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{'T','o','k','y','o',' ','S','t','a','n','d','a','r','d',' ','T','i','m',
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'e','\0'}, -540, 0},
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{"KST",
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{'K','o','r','e','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m',
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'e','\0'}, -540, 0},
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{"YAKST",
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{'Y','a','k','u','t','s','k',' ','S','t','a','n','d','a','r','d',' ','T',
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'i','m','e','\0'}, -600, 1},
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{"CST",
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{'C','e','n','.',' ','A','u','s','t','r','a','l','i','a',' ','S','t','a',
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'n','d','a','r','d',' ','T','i','m','e','\0'}, -570, 0},
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{"EST",
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{'E','.',' ','A','u','s','t','r','a','l','i','a',' ','S','t','a','n','d',
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'a','r','d',' ','T','i','m','e','\0'}, -600, 0},
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{"GST",
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{'W','e','s','t',' ','P','a','c','i','f','i','c',' ','S','t','a','n','d',
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'a','r','d',' ','T','i','m','e','\0'}, -600, 0},
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{"VLAST",
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{'V','l','a','d','i','v','o','s','t','o','k',' ','S','t','a','n','d','a',
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'r','d',' ','T','i','m','e','\0'}, -660, 1},
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{"MAGST",
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{'C','e','n','t','r','a','l',' ','P','a','c','i','f','i','c',' ','S','t',
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'a','n','d','a','r','d',' ','T','i','m','e','\0'}, -720, 1},
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{"NZST",
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{'N','e','w',' ','Z','e','a','l','a','n','d',' ','S','t','a','n','d','a',
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'r','d',' ','T','i','m','e','\0'}, -720, 0},
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{"FJT",
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{'F','i','j','i',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e',
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'\0'}, -720, 0},
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{"TOT",
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{'T','o','n','g','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m',
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'e','\0'}, -780, 0}
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};
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#define TICKSPERSEC 10000000
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#define TICKSPERMSEC 10000
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#define SECSPERDAY 86400
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#define SECSPERHOUR 3600
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#define SECSPERMIN 60
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#define MINSPERHOUR 60
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#define HOURSPERDAY 24
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#define EPOCHWEEKDAY 1 /* Jan 1, 1601 was Monday */
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#define DAYSPERWEEK 7
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#define EPOCHYEAR 1601
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#define DAYSPERNORMALYEAR 365
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#define DAYSPERLEAPYEAR 366
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#define MONSPERYEAR 12
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#define DAYSPERQUADRICENTENNIUM (365 * 400 + 97)
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#define DAYSPERNORMALCENTURY (365 * 100 + 24)
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#define DAYSPERNORMALQUADRENNIUM (365 * 4 + 1)
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/* 1601 to 1970 is 369 years plus 89 leap days */
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#define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
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#define TICKS_1601_TO_1970 (SECS_1601_TO_1970 * TICKSPERSEC)
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/* 1601 to 1980 is 379 years plus 91 leap days */
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#define SECS_1601_TO_1980 ((379 * 365 + 91) * (ULONGLONG)SECSPERDAY)
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#define TICKS_1601_TO_1980 (SECS_1601_TO_1980 * TICKSPERSEC)
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/* max ticks that can be represented as Unix time */
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|
#define TICKS_1601_TO_UNIX_MAX ((SECS_1601_TO_1970 + INT_MAX) * TICKSPERSEC)
|
|
|
|
|
|
static const int MonthLengths[2][MONSPERYEAR] =
|
|
{
|
|
{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
|
|
{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
|
|
};
|
|
|
|
static const int YearDays[2][MONSPERYEAR+1] =
|
|
{
|
|
{ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
|
|
{ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
|
|
};
|
|
|
|
static inline int IsLeapYear(int Year)
|
|
{
|
|
return Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0) ? 1 : 0;
|
|
}
|
|
|
|
static inline void NormalizeTimeFields(CSHORT *FieldToNormalize, CSHORT *CarryField,int Modulus)
|
|
{
|
|
*FieldToNormalize = (CSHORT) (*FieldToNormalize - Modulus);
|
|
*CarryField = (CSHORT) (*CarryField + 1);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NTDLL_get_server_timeout
|
|
*
|
|
* Convert a NTDLL timeout into a timeval struct to send to the server.
|
|
*/
|
|
void NTDLL_get_server_timeout( abs_time_t *when, const LARGE_INTEGER *timeout )
|
|
{
|
|
UINT remainder;
|
|
|
|
if (!timeout) /* infinite timeout */
|
|
{
|
|
when->sec = when->usec = 0;
|
|
}
|
|
else if (timeout->QuadPart <= 0) /* relative timeout */
|
|
{
|
|
struct timeval tv;
|
|
|
|
if (-timeout->QuadPart > (LONGLONG)INT_MAX * TICKSPERSEC)
|
|
when->sec = when->usec = INT_MAX;
|
|
else
|
|
{
|
|
ULONG sec = RtlEnlargedUnsignedDivide( -timeout->QuadPart, TICKSPERSEC, &remainder );
|
|
gettimeofday( &tv, 0 );
|
|
when->sec = tv.tv_sec + sec;
|
|
if ((when->usec = tv.tv_usec + (remainder / 10)) >= 1000000)
|
|
{
|
|
when->usec -= 1000000;
|
|
when->sec++;
|
|
}
|
|
if (when->sec < tv.tv_sec) /* overflow */
|
|
when->sec = when->usec = INT_MAX;
|
|
}
|
|
}
|
|
else /* absolute time */
|
|
{
|
|
if (timeout->QuadPart < TICKS_1601_TO_1970)
|
|
when->sec = when->usec = 0;
|
|
else if (timeout->QuadPart > TICKS_1601_TO_UNIX_MAX)
|
|
when->sec = when->usec = INT_MAX;
|
|
else
|
|
{
|
|
when->sec = RtlEnlargedUnsignedDivide( timeout->QuadPart - TICKS_1601_TO_1970,
|
|
TICKSPERSEC, &remainder );
|
|
when->usec = remainder / 10;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RtlTimeToTimeFields [NTDLL.@]
|
|
*
|
|
* Convert a time into a TIME_FIELDS structure.
|
|
*
|
|
* PARAMS
|
|
* liTime [I] Time to convert.
|
|
* TimeFields [O] Destination for the converted time.
|
|
*
|
|
* RETURNS
|
|
* Nothing.
|
|
*/
|
|
VOID WINAPI RtlTimeToTimeFields(
|
|
const LARGE_INTEGER *liTime,
|
|
PTIME_FIELDS TimeFields)
|
|
{
|
|
int SecondsInDay, DeltaYear;
|
|
int LeapYear, CurMonth;
|
|
long int Days;
|
|
LONGLONG Time = liTime->QuadPart;
|
|
|
|
/* Extract millisecond from time and convert time into seconds */
|
|
TimeFields->Milliseconds = (CSHORT) ((Time % TICKSPERSEC) / TICKSPERMSEC);
|
|
Time = Time / TICKSPERSEC;
|
|
|
|
/* The native version of RtlTimeToTimeFields does not take leap seconds
|
|
* into account */
|
|
|
|
/* Split the time into days and seconds within the day */
|
|
Days = Time / SECSPERDAY;
|
|
SecondsInDay = Time % SECSPERDAY;
|
|
|
|
/* compute time of day */
|
|
TimeFields->Hour = (CSHORT) (SecondsInDay / SECSPERHOUR);
|
|
SecondsInDay = SecondsInDay % SECSPERHOUR;
|
|
TimeFields->Minute = (CSHORT) (SecondsInDay / SECSPERMIN);
|
|
TimeFields->Second = (CSHORT) (SecondsInDay % SECSPERMIN);
|
|
|
|
/* compute day of week */
|
|
TimeFields->Weekday = (CSHORT) ((EPOCHWEEKDAY + Days) % DAYSPERWEEK);
|
|
|
|
/* compute year */
|
|
/* FIXME: handle calendar modifications */
|
|
TimeFields->Year = EPOCHYEAR;
|
|
DeltaYear = Days / DAYSPERQUADRICENTENNIUM;
|
|
TimeFields->Year += DeltaYear * 400;
|
|
Days -= DeltaYear * DAYSPERQUADRICENTENNIUM;
|
|
DeltaYear = Days / DAYSPERNORMALCENTURY;
|
|
if( DeltaYear > 3) DeltaYear = 3; /* fix 31 Dec of 2000 and every
|
|
400 years after that */
|
|
TimeFields->Year += DeltaYear * 100;
|
|
Days -= DeltaYear * DAYSPERNORMALCENTURY;
|
|
DeltaYear = Days / DAYSPERNORMALQUADRENNIUM;
|
|
TimeFields->Year += DeltaYear * 4;
|
|
Days -= DeltaYear * DAYSPERNORMALQUADRENNIUM;
|
|
DeltaYear = Days / DAYSPERNORMALYEAR;
|
|
if( DeltaYear > 3) DeltaYear = 3; /* fix 31 Dec of every leap year */
|
|
TimeFields->Year += DeltaYear;
|
|
Days -= DeltaYear * DAYSPERNORMALYEAR;
|
|
|
|
LeapYear = IsLeapYear(TimeFields->Year);
|
|
|
|
/* Compute month of year */
|
|
CurMonth = 1;
|
|
while (Days >= YearDays[LeapYear][CurMonth]) CurMonth++;
|
|
TimeFields->Day = Days - YearDays[LeapYear][CurMonth-1] + 1;
|
|
TimeFields->Month = CurMonth;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RtlTimeFieldsToTime [NTDLL.@]
|
|
*
|
|
* Convert a TIME_FIELDS structure into a time.
|
|
*
|
|
* PARAMS
|
|
* ftTimeFields [I] TIME_FIELDS structure to convert.
|
|
* Time [O] Destination for the converted time.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE.
|
|
* Failure: FALSE.
|
|
*/
|
|
BOOLEAN WINAPI RtlTimeFieldsToTime(
|
|
PTIME_FIELDS tfTimeFields,
|
|
PLARGE_INTEGER Time)
|
|
{
|
|
int CurYear, DeltaYear;
|
|
LONGLONG rcTime;
|
|
TIME_FIELDS TimeFields = *tfTimeFields;
|
|
|
|
rcTime = 0;
|
|
|
|
/* FIXME: normalize the TIME_FIELDS structure here */
|
|
while (TimeFields.Second >= SECSPERMIN)
|
|
{ NormalizeTimeFields(&TimeFields.Second, &TimeFields.Minute, SECSPERMIN);
|
|
}
|
|
while (TimeFields.Minute >= MINSPERHOUR)
|
|
{ NormalizeTimeFields(&TimeFields.Minute, &TimeFields.Hour, MINSPERHOUR);
|
|
}
|
|
while (TimeFields.Hour >= HOURSPERDAY)
|
|
{ NormalizeTimeFields(&TimeFields.Hour, &TimeFields.Day, HOURSPERDAY);
|
|
}
|
|
while (TimeFields.Day > MonthLengths[IsLeapYear(TimeFields.Year)][TimeFields.Month - 1])
|
|
{ NormalizeTimeFields(&TimeFields.Day, &TimeFields.Month,
|
|
MonthLengths[IsLeapYear(TimeFields.Year)][TimeFields.Month - 1]);
|
|
}
|
|
while (TimeFields.Month > MONSPERYEAR)
|
|
{ NormalizeTimeFields(&TimeFields.Month, &TimeFields.Year, MONSPERYEAR);
|
|
}
|
|
|
|
/* FIXME: handle calendar corrections here */
|
|
CurYear = TimeFields.Year - EPOCHYEAR;
|
|
DeltaYear = CurYear / 400;
|
|
CurYear -= DeltaYear * 400;
|
|
rcTime += DeltaYear * DAYSPERQUADRICENTENNIUM;
|
|
DeltaYear = CurYear / 100;
|
|
CurYear -= DeltaYear * 100;
|
|
rcTime += DeltaYear * DAYSPERNORMALCENTURY;
|
|
DeltaYear = CurYear / 4;
|
|
CurYear -= DeltaYear * 4;
|
|
rcTime += DeltaYear * DAYSPERNORMALQUADRENNIUM;
|
|
rcTime += CurYear * DAYSPERNORMALYEAR;
|
|
rcTime += YearDays[IsLeapYear(TimeFields.Year)][TimeFields.Month - 1];
|
|
rcTime += TimeFields.Day - 1;
|
|
rcTime *= SECSPERDAY;
|
|
rcTime += TimeFields.Hour * SECSPERHOUR + TimeFields.Minute * SECSPERMIN + TimeFields.Second;
|
|
rcTime *= TICKSPERSEC;
|
|
rcTime += TimeFields.Milliseconds * TICKSPERMSEC;
|
|
Time->QuadPart = rcTime;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* TIME_GetBias [internal]
|
|
*
|
|
* Helper function calculates delta local time from UTC.
|
|
*
|
|
* PARAMS
|
|
* utc [I] The current utc time.
|
|
* pdaylight [I] Local daylight.
|
|
*
|
|
* RETURNS
|
|
* The bias for the current timezone.
|
|
*/
|
|
static int TIME_GetBias(time_t utc, int *pdaylight)
|
|
{
|
|
struct tm *ptm;
|
|
static time_t last_utc;
|
|
static int last_bias;
|
|
static int last_daylight;
|
|
int ret;
|
|
|
|
RtlEnterCriticalSection( &TIME_GetBias_section );
|
|
if(utc == last_utc)
|
|
{
|
|
*pdaylight = last_daylight;
|
|
ret = last_bias;
|
|
} else
|
|
{
|
|
ptm = localtime(&utc);
|
|
*pdaylight = last_daylight =
|
|
ptm->tm_isdst; /* daylight for local timezone */
|
|
ptm = gmtime(&utc);
|
|
ptm->tm_isdst = *pdaylight; /* use local daylight, not that of Greenwich */
|
|
last_utc = utc;
|
|
ret = last_bias = (int)(utc-mktime(ptm));
|
|
}
|
|
RtlLeaveCriticalSection( &TIME_GetBias_section );
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RtlLocalTimeToSystemTime [NTDLL.@]
|
|
*
|
|
* Convert a local time into system time.
|
|
*
|
|
* PARAMS
|
|
* LocalTime [I] Local time to convert.
|
|
* SystemTime [O] Destination for the converted time.
|
|
*
|
|
* RETURNS
|
|
* Success: STATUS_SUCCESS.
|
|
* Failure: An NTSTATUS error code indicating the problem.
|
|
*/
|
|
NTSTATUS WINAPI RtlLocalTimeToSystemTime( const LARGE_INTEGER *LocalTime,
|
|
PLARGE_INTEGER SystemTime)
|
|
{
|
|
time_t gmt;
|
|
int bias, daylight;
|
|
|
|
TRACE("(%p, %p)\n", LocalTime, SystemTime);
|
|
|
|
gmt = time(NULL);
|
|
bias = TIME_GetBias(gmt, &daylight);
|
|
|
|
SystemTime->QuadPart = LocalTime->QuadPart - bias * (LONGLONG)10000000;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RtlSystemTimeToLocalTime [NTDLL.@]
|
|
*
|
|
* Convert a system time into a local time.
|
|
*
|
|
* PARAMS
|
|
* SystemTime [I] System time to convert.
|
|
* LocalTime [O] Destination for the converted time.
|
|
*
|
|
* RETURNS
|
|
* Success: STATUS_SUCCESS.
|
|
* Failure: An NTSTATUS error code indicating the problem.
|
|
*/
|
|
NTSTATUS WINAPI RtlSystemTimeToLocalTime( const LARGE_INTEGER *SystemTime,
|
|
PLARGE_INTEGER LocalTime )
|
|
{
|
|
time_t gmt;
|
|
int bias, daylight;
|
|
|
|
TRACE("(%p, %p)\n", SystemTime, LocalTime);
|
|
|
|
gmt = time(NULL);
|
|
bias = TIME_GetBias(gmt, &daylight);
|
|
|
|
LocalTime->QuadPart = SystemTime->QuadPart + bias * (LONGLONG)10000000;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RtlTimeToSecondsSince1970 [NTDLL.@]
|
|
*
|
|
* Convert a time into a count of seconds since 1970.
|
|
*
|
|
* PARAMS
|
|
* Time [I] Time to convert.
|
|
* Seconds [O] Destination for the converted time.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE.
|
|
* Failure: FALSE, if the resulting value will not fit in a DWORD.
|
|
*/
|
|
BOOLEAN WINAPI RtlTimeToSecondsSince1970( const LARGE_INTEGER *Time, LPDWORD Seconds )
|
|
{
|
|
ULONGLONG tmp = ((ULONGLONG)Time->u.HighPart << 32) | Time->u.LowPart;
|
|
tmp = RtlLargeIntegerDivide( tmp, 10000000, NULL );
|
|
tmp -= SECS_1601_TO_1970;
|
|
if (tmp > 0xffffffff) return FALSE;
|
|
*Seconds = (DWORD)tmp;
|
|
return TRUE;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RtlTimeToSecondsSince1980 [NTDLL.@]
|
|
*
|
|
* Convert a time into a count of seconds since 1980.
|
|
*
|
|
* PARAMS
|
|
* Time [I] Time to convert.
|
|
* Seconds [O] Destination for the converted time.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE.
|
|
* Failure: FALSE, if the resulting value will not fit in a DWORD.
|
|
*/
|
|
BOOLEAN WINAPI RtlTimeToSecondsSince1980( const LARGE_INTEGER *Time, LPDWORD Seconds )
|
|
{
|
|
ULONGLONG tmp = ((ULONGLONG)Time->u.HighPart << 32) | Time->u.LowPart;
|
|
tmp = RtlLargeIntegerDivide( tmp, 10000000, NULL );
|
|
tmp -= SECS_1601_TO_1980;
|
|
if (tmp > 0xffffffff) return FALSE;
|
|
*Seconds = (DWORD)tmp;
|
|
return TRUE;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RtlSecondsSince1970ToTime [NTDLL.@]
|
|
*
|
|
* Convert a count of seconds since 1970 to a time.
|
|
*
|
|
* PARAMS
|
|
* Seconds [I] Time to convert.
|
|
* Time [O] Destination for the converted time.
|
|
*
|
|
* RETURNS
|
|
* Nothing.
|
|
*/
|
|
void WINAPI RtlSecondsSince1970ToTime( DWORD Seconds, LARGE_INTEGER *Time )
|
|
{
|
|
ULONGLONG secs = Seconds * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
|
|
Time->u.LowPart = (DWORD)secs;
|
|
Time->u.HighPart = (DWORD)(secs >> 32);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RtlSecondsSince1980ToTime [NTDLL.@]
|
|
*
|
|
* Convert a count of seconds since 1980 to a time.
|
|
*
|
|
* PARAMS
|
|
* Seconds [I] Time to convert.
|
|
* Time [O] Destination for the converted time.
|
|
*
|
|
* RETURNS
|
|
* Nothing.
|
|
*/
|
|
void WINAPI RtlSecondsSince1980ToTime( DWORD Seconds, LARGE_INTEGER *Time )
|
|
{
|
|
ULONGLONG secs = Seconds * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1980;
|
|
Time->u.LowPart = (DWORD)secs;
|
|
Time->u.HighPart = (DWORD)(secs >> 32);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RtlTimeToElapsedTimeFields [NTDLL.@]
|
|
*
|
|
* Convert a time to a count of elapsed seconds.
|
|
*
|
|
* PARAMS
|
|
* Time [I] Time to convert.
|
|
* TimeFields [O] Destination for the converted time.
|
|
*
|
|
* RETURNS
|
|
* Nothing.
|
|
*/
|
|
void WINAPI RtlTimeToElapsedTimeFields( const LARGE_INTEGER *Time, PTIME_FIELDS TimeFields )
|
|
{
|
|
LONGLONG time;
|
|
UINT rem;
|
|
|
|
time = RtlExtendedLargeIntegerDivide( Time->QuadPart, TICKSPERSEC, &rem );
|
|
TimeFields->Milliseconds = rem / TICKSPERMSEC;
|
|
|
|
/* time is now in seconds */
|
|
TimeFields->Year = 0;
|
|
TimeFields->Month = 0;
|
|
TimeFields->Day = RtlExtendedLargeIntegerDivide( time, SECSPERDAY, &rem );
|
|
|
|
/* rem is now the remaining seconds in the last day */
|
|
TimeFields->Second = rem % 60;
|
|
rem /= 60;
|
|
TimeFields->Minute = rem % 60;
|
|
TimeFields->Hour = rem / 60;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtQuerySystemTime [NTDLL.@]
|
|
* ZwQuerySystemTime [NTDLL.@]
|
|
*
|
|
* Get the current system time.
|
|
*
|
|
* PARAMS
|
|
* Time [O] Destination for the current system time.
|
|
*
|
|
* RETURNS
|
|
* Success: STATUS_SUCCESS.
|
|
* Failure: An NTSTATUS error code indicating the problem.
|
|
*/
|
|
NTSTATUS WINAPI NtQuerySystemTime( PLARGE_INTEGER Time )
|
|
{
|
|
struct timeval now;
|
|
|
|
gettimeofday( &now, 0 );
|
|
Time->QuadPart = now.tv_sec * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
|
|
Time->QuadPart += now.tv_usec * 10;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* TIME_GetTZAsStr [internal]
|
|
*
|
|
* Helper function that returns the given timezone as a string.
|
|
*
|
|
* PARAMS
|
|
* utc [I] The current utc time.
|
|
* bias [I] The bias of the current timezone.
|
|
* dst [I] ??
|
|
*
|
|
* RETURNS
|
|
* Timezone name.
|
|
*
|
|
* NOTES:
|
|
* This could be done with a hash table instead of merely iterating through a
|
|
* table, however with the small amount of entries (60 or so) I didn't think
|
|
* it was worth it.
|
|
*/
|
|
static const WCHAR* TIME_GetTZAsStr (time_t utc, int bias, int dst)
|
|
{
|
|
char psTZName[7];
|
|
struct tm *ptm = localtime(&utc);
|
|
unsigned int i;
|
|
|
|
if (!strftime (psTZName, 7, "%Z", ptm))
|
|
return (NULL);
|
|
|
|
for (i=0; i<(sizeof(TZ_INFO) / sizeof(struct tagTZ_INFO)); i++)
|
|
{
|
|
if ( strcmp(TZ_INFO[i].psTZFromUnix, psTZName) == 0 &&
|
|
TZ_INFO[i].bias == bias &&
|
|
TZ_INFO[i].dst == dst
|
|
)
|
|
return TZ_INFO[i].psTZWindows;
|
|
}
|
|
FIXME("Can't match system time zone name \"%s\" to an entry in TZ_INFO\n",psTZName);
|
|
FIXME(" Please add appropriate entry to TZ_INFO and submit as patch to wine-patches\n");
|
|
return NULL;
|
|
}
|
|
|
|
/*** TIME_GetTimeZoneInfoFromReg: helper for GetTimeZoneInformation ***/
|
|
|
|
|
|
static int TIME_GetTimeZoneInfoFromReg(LPTIME_ZONE_INFORMATION tzinfo)
|
|
{
|
|
BYTE buf[90];
|
|
KEY_VALUE_PARTIAL_INFORMATION * KpInfo =
|
|
(KEY_VALUE_PARTIAL_INFORMATION *) buf;
|
|
HKEY hkey;
|
|
DWORD size;
|
|
OBJECT_ATTRIBUTES attr;
|
|
UNICODE_STRING nameW;
|
|
|
|
attr.Length = sizeof(attr);
|
|
attr.RootDirectory = 0;
|
|
attr.ObjectName = &nameW;
|
|
attr.Attributes = 0;
|
|
attr.SecurityDescriptor = NULL;
|
|
attr.SecurityQualityOfService = NULL;
|
|
RtlInitUnicodeString( &nameW, TZInformationKeyW);
|
|
if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr )) {
|
|
|
|
#define GTZIFR_N( valkey, tofield) \
|
|
RtlInitUnicodeString( &nameW, valkey );\
|
|
if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, KpInfo,\
|
|
sizeof(buf), &size )) { \
|
|
if( size >= (sizeof((tofield)) + \
|
|
offsetof(KEY_VALUE_PARTIAL_INFORMATION,Data))); { \
|
|
memcpy(&(tofield), \
|
|
KpInfo->Data, sizeof(tofield)); \
|
|
} \
|
|
}
|
|
#define GTZIFR_S( valkey, tofield) \
|
|
RtlInitUnicodeString( &nameW, valkey );\
|
|
if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, KpInfo,\
|
|
sizeof(buf), &size )) { \
|
|
strncpyW( tofield, (WCHAR*) KpInfo->Data, \
|
|
sizeof( tofield) / sizeof(WCHAR) ); \
|
|
}
|
|
|
|
GTZIFR_N( TZStandardStartW, tzinfo->StandardDate)
|
|
GTZIFR_N( TZDaylightStartW, tzinfo->DaylightDate)
|
|
GTZIFR_N( TZBiasW, tzinfo->Bias)
|
|
GTZIFR_N( TZStandardBiasW, tzinfo->StandardBias)
|
|
GTZIFR_N( TZDaylightBiasW, tzinfo->DaylightBias)
|
|
GTZIFR_S( TZStandardNameW, tzinfo->StandardName)
|
|
GTZIFR_S( TZDaylightNameW, tzinfo->DaylightName)
|
|
|
|
#undef GTZIFR_N
|
|
#undef GTZIFR_S
|
|
NtClose( hkey );
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* RtlQueryTimeZoneInformation [NTDLL.@]
|
|
*
|
|
* Get information about the current timezone.
|
|
*
|
|
* PARAMS
|
|
* tzinfo [O] Destination for the retrieved timezone info.
|
|
*
|
|
* RETURNS
|
|
* Success: STATUS_SUCCESS.
|
|
* Failure: An NTSTATUS error code indicating the problem.
|
|
*/
|
|
NTSTATUS WINAPI RtlQueryTimeZoneInformation(LPTIME_ZONE_INFORMATION tzinfo)
|
|
{
|
|
time_t gmt;
|
|
int bias, daylight;
|
|
const WCHAR *psTZ;
|
|
|
|
memset(tzinfo, 0, sizeof(TIME_ZONE_INFORMATION));
|
|
|
|
if( !TIME_GetTimeZoneInfoFromReg(tzinfo)) {
|
|
|
|
gmt = time(NULL);
|
|
bias = TIME_GetBias(gmt, &daylight);
|
|
|
|
tzinfo->Bias = -bias / 60;
|
|
tzinfo->StandardBias = 0;
|
|
tzinfo->DaylightBias = -60;
|
|
tzinfo->StandardName[0]='\0';
|
|
tzinfo->DaylightName[0]='\0';
|
|
psTZ = TIME_GetTZAsStr (gmt, (-bias/60), daylight);
|
|
if (psTZ) strcpyW( tzinfo->StandardName, psTZ );
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* RtlSetTimeZoneInformation [NTDLL.@]
|
|
*
|
|
* Set the current time zone information.
|
|
*
|
|
* PARAMS
|
|
* tzinfo [I] Timezone information to set.
|
|
*
|
|
* RETURNS
|
|
* Success: STATUS_SUCCESS.
|
|
* Failure: An NTSTATUS error code indicating the problem.
|
|
*
|
|
* BUGS
|
|
* Uses the obsolete unix timezone structure and tz_dsttime member.
|
|
*/
|
|
NTSTATUS WINAPI RtlSetTimeZoneInformation( const TIME_ZONE_INFORMATION *tzinfo )
|
|
{
|
|
#ifdef HAVE_SETTIMEOFDAY
|
|
struct timezone tz;
|
|
|
|
tz.tz_minuteswest = tzinfo->Bias;
|
|
#ifdef DST_NONE
|
|
tz.tz_dsttime = DST_NONE;
|
|
#else
|
|
tz.tz_dsttime = 0;
|
|
#endif
|
|
if(!settimeofday(NULL, &tz))
|
|
return STATUS_SUCCESS;
|
|
#endif
|
|
return STATUS_PRIVILEGE_NOT_HELD;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtSetSystemTime [NTDLL.@]
|
|
* ZwSetSystemTime [NTDLL.@]
|
|
*
|
|
* Set the system time.
|
|
*
|
|
* PARAMS
|
|
* NewTime [I] The time to set.
|
|
* OldTime [O] Optional destination for the previous system time.
|
|
*
|
|
* RETURNS
|
|
* Success: STATUS_SUCCESS.
|
|
* Failure: An NTSTATUS error code indicating the problem.
|
|
*/
|
|
NTSTATUS WINAPI NtSetSystemTime(const LARGE_INTEGER *NewTime, LARGE_INTEGER *OldTime)
|
|
{
|
|
TIME_FIELDS tf;
|
|
struct timeval tv;
|
|
struct timezone tz;
|
|
struct tm t;
|
|
time_t sec, oldsec;
|
|
int dst, bias;
|
|
int err;
|
|
|
|
/* Return the old time if necessary */
|
|
if(OldTime)
|
|
NtQuerySystemTime(OldTime);
|
|
|
|
RtlTimeToTimeFields(NewTime, &tf);
|
|
|
|
/* call gettimeofday to get the current timezone */
|
|
gettimeofday(&tv, &tz);
|
|
oldsec = tv.tv_sec;
|
|
/* get delta local time from utc */
|
|
bias = TIME_GetBias(oldsec, &dst);
|
|
|
|
/* get the number of seconds */
|
|
t.tm_sec = tf.Second;
|
|
t.tm_min = tf.Minute;
|
|
t.tm_hour = tf.Hour;
|
|
t.tm_mday = tf.Day;
|
|
t.tm_mon = tf.Month - 1;
|
|
t.tm_year = tf.Year - 1900;
|
|
t.tm_isdst = dst;
|
|
sec = mktime (&t);
|
|
/* correct for timezone and daylight */
|
|
sec += bias;
|
|
|
|
/* set the new time */
|
|
tv.tv_sec = sec;
|
|
tv.tv_usec = tf.Milliseconds * 1000;
|
|
|
|
/* error and sanity check*/
|
|
if(sec == (time_t)-1 || abs((int)(sec-oldsec)) > SETTIME_MAX_ADJUST) {
|
|
err = 2;
|
|
} else {
|
|
#ifdef HAVE_SETTIMEOFDAY
|
|
err = settimeofday(&tv, NULL); /* 0 is OK, -1 is error */
|
|
if(err == 0)
|
|
return STATUS_SUCCESS;
|
|
#else
|
|
err = 1;
|
|
#endif
|
|
}
|
|
|
|
ERR("Cannot set time to %d/%d/%d %d:%d:%d Time adjustment %ld %s\n",
|
|
tf.Year, tf.Month, tf.Day, tf.Hour, tf.Minute, tf.Second,
|
|
(long)(sec-oldsec),
|
|
err == -1 ? "No Permission"
|
|
: sec == (time_t)-1 ? "" : "is too large." );
|
|
|
|
if(err == 2)
|
|
return STATUS_INVALID_PARAMETER;
|
|
else if(err == -1)
|
|
return STATUS_PRIVILEGE_NOT_HELD;
|
|
else
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|