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1297 lines
37 KiB
1297 lines
37 KiB
/*++
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Copyright (c) 1988-1999 Microsoft Corporation
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Module Name:
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cclock.c
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Abstract:
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time/date functions
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--*/
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#include "cmd.h"
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#define MMDDYY 0
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#define DDMMYY 1
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#define YYMMDD 2
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extern TCHAR Fmt04[], Fmt05[], Fmt06[], Fmt10[], Fmt11[];
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extern TCHAR Fmt17[], Fmt15[];
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extern unsigned DosErr;
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extern unsigned LastRetCode;
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// for keeping current console output codepage.
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extern UINT CurrentCP;
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BOOL TimeAmPm=TRUE;
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TCHAR TimeSeparator[8];
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TCHAR DateSeparator[8];
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TCHAR DecimalPlace[8];
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int DateFormat;
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TCHAR *DateFormatString;
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TCHAR ThousandSeparator[8];
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#define SHORT_NAME_LENGTH 32
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TCHAR ShortMondayName[SHORT_NAME_LENGTH];
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TCHAR ShortTuesdayName[SHORT_NAME_LENGTH];
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TCHAR ShortWednesdayName[SHORT_NAME_LENGTH];
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TCHAR ShortThursdayName[SHORT_NAME_LENGTH];
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TCHAR ShortFridayName[SHORT_NAME_LENGTH];
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TCHAR ShortSaturdayName[SHORT_NAME_LENGTH];
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TCHAR ShortSundayName[SHORT_NAME_LENGTH];
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#define AMPM_INDICATOR_LENGTH 32
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TCHAR AMIndicator[AMPM_INDICATOR_LENGTH];
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TCHAR PMIndicator[AMPM_INDICATOR_LENGTH];
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ULONG YearWidth;
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//
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// We snapshot the current LCID at startup and modify it based on the current known
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// set of scripts that Console supports.
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//
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LCID CmdGetUserDefaultLCID(
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void
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)
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{
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LCID CmdLcid = GetUserDefaultLCID();
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#ifdef LANGPACK
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if (
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(PRIMARYLANGID(CmdLcid) == LANG_ARABIC) ||
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(PRIMARYLANGID(CmdLcid) == LANG_HEBREW) ||
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(PRIMARYLANGID(CmdLcid) == LANG_THAI) ||
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(PRIMARYLANGID(CmdLcid) == LANG_HINDI) ||
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(PRIMARYLANGID(CmdLcid) == LANG_TAMIL) ||
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(PRIMARYLANGID(CmdLcid) == LANG_FARSI)
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) {
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CmdLcid = MAKELCID (MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT), SORT_DEFAULT); // 0x409;
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}
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#endif
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return CmdLcid;
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}
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VOID
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InitLocale( VOID )
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{
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TCHAR Buffer[128];
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LCID CmdLcid = CmdGetUserDefaultLCID( );
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// get the time separator
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if (!GetLocaleInfo(CmdLcid, LOCALE_STIME, TimeSeparator, sizeof(TimeSeparator) / sizeof( TCHAR )))
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_tcscpy(TimeSeparator, TEXT(":"));
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// determine if we're 0-12 or 0-24
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if (GetLocaleInfo(CmdLcid, LOCALE_ITIME, Buffer, 128)) {
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TimeAmPm = _tcscmp(Buffer,TEXT("1"));
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}
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_tcscpy(AMIndicator, TEXT("a"));
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_tcscpy(PMIndicator, TEXT("p"));
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//
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// get the date ordering
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//
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DateFormat = MMDDYY;
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if (GetLocaleInfo(CmdLcid, LOCALE_IDATE, Buffer, 128)) {
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switch (Buffer[0]) {
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case TEXT('0'):
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DateFormat = MMDDYY;
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DateFormatString = TEXT( "MM/dd/yy" );
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break;
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case TEXT('1'):
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DateFormat = DDMMYY;
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DateFormatString = TEXT( "dd/MM/yy" );
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break;
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case TEXT('2'):
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DateFormat = YYMMDD;
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DateFormatString = TEXT( "yy/MM/dd" );
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break;
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default:
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break;
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}
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}
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//
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// Get the date width
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//
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YearWidth = 2;
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if (GetLocaleInfo( CmdLcid, LOCALE_ICENTURY, Buffer, 128 )) {
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if (Buffer[0] == TEXT( '1' )) {
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YearWidth = 4;
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}
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}
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// get the date separator
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if (!GetLocaleInfo(CmdLcid, LOCALE_SDATE, DateSeparator, sizeof(DateSeparator) / sizeof( TCHAR )))
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_tcscpy(DateSeparator, TEXT("/"));
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// get the short day names
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if (!GetLocaleInfo(CmdLcid, LOCALE_SABBREVDAYNAME1, ShortMondayName, sizeof(ShortMondayName) / sizeof( TCHAR )))
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_tcscpy(ShortMondayName, TEXT("Mon"));
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if (!GetLocaleInfo(CmdLcid, LOCALE_SABBREVDAYNAME2, ShortTuesdayName, sizeof(ShortTuesdayName) / sizeof( TCHAR )))
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_tcscpy(ShortTuesdayName, TEXT("Tue"));
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if (!GetLocaleInfo(CmdLcid, LOCALE_SABBREVDAYNAME3, ShortWednesdayName, sizeof(ShortWednesdayName) / sizeof( TCHAR )))
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_tcscpy(ShortWednesdayName, TEXT("Wed"));
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if (!GetLocaleInfo(CmdLcid, LOCALE_SABBREVDAYNAME4, ShortThursdayName, sizeof(ShortThursdayName) / sizeof( TCHAR )))
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_tcscpy(ShortThursdayName, TEXT("Thu"));
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if (!GetLocaleInfo(CmdLcid, LOCALE_SABBREVDAYNAME5, ShortFridayName, sizeof(ShortFridayName) / sizeof( TCHAR )))
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_tcscpy(ShortFridayName, TEXT("Fri"));
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if (!GetLocaleInfo(CmdLcid, LOCALE_SABBREVDAYNAME6, ShortSaturdayName, sizeof(ShortSaturdayName) / sizeof( TCHAR )))
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_tcscpy(ShortSaturdayName, TEXT("Sat"));
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if (!GetLocaleInfo(CmdLcid, LOCALE_SABBREVDAYNAME7, ShortSundayName, sizeof(ShortSundayName) / sizeof( TCHAR )))
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_tcscpy(ShortSundayName, TEXT("Sun"));
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// get decimal and thousand separator strings
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if (!GetLocaleInfo(CmdLcid, LOCALE_SDECIMAL, DecimalPlace, sizeof(DecimalPlace) / sizeof( TCHAR )))
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_tcscpy(DecimalPlace, TEXT("."));
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if (!GetLocaleInfo(CmdLcid, LOCALE_STHOUSAND, ThousandSeparator, sizeof(ThousandSeparator) / sizeof( TCHAR )))
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_tcscpy(ThousandSeparator, TEXT(","));
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//
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// Set locale so that we can correctly process extended characters
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// Note: The string passed in is expected to be ASCII, not unicode
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//
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setlocale( LC_ALL, ".OCP" ) ;
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}
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/**** dayptr - return pointer to day of the week
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*
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* Purpose:
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* To return a pointer to the string representing the current day of
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* the week.
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*
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* Args:
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* dow - number representing the day of the week.
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*
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*/
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TCHAR *dayptr( dow )
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unsigned dow;
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{
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switch ( dow ) {
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case 0: return ShortSundayName;
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case 1: return ShortMondayName;
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case 2: return ShortTuesdayName;
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case 3: return ShortWednesdayName;
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case 4: return ShortThursdayName;
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case 5: return ShortFridayName;
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default: return ShortSaturdayName;
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}
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}
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BOOLEAN
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SetDateTime(
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IN LPSYSTEMTIME OsDateAndTime
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)
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{
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//
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// We have to do this twice in order to get the leap year set correctly.
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//
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SetLocalTime( OsDateAndTime );
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return(SetLocalTime( OsDateAndTime ) != 0);
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}
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/*** eDate - begin the execution of the Date command
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*
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* Purpose:
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* To display and/or set the system date.
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*
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* Args:
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* n - the parse tree node containing the date command
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*
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* int eDate(struct cmdnode *n)
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*
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* Returns:
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* SUCCESS always.
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*
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*/
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int eDate(n)
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struct cmdnode *n ;
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{
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BOOL bTerse = FALSE;
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PTCHAR pArgs = n->argptr;
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DEBUG((CLGRP, DALVL, "eDATE: argptr = `%s'", n->argptr)) ;
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//
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// If extensions are enabled, allow a /T switch
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// to disable inputing a new DATE, just display the
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// current date.
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//
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if (fEnableExtensions)
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while ( (pArgs = mystrchr( pArgs, TEXT('/') )) != NULL ) {
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TCHAR c = (TCHAR) _totlower(*(pArgs+1));
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if ( c == TEXT('t') )
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bTerse = TRUE;
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pArgs += 2; // just skip it
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}
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if ( bTerse ) {
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PrintDate(NULL, PD_PTDATE, (TCHAR *)NULL, 0) ;
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cmd_printf(CrLf);
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return(LastRetCode = SUCCESS);
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}
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if ((n->argptr == NULL) ||
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(*(n->argptr = EatWS(n->argptr, NULL)) == NULLC)) {
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PutStdOut(MSG_CURRENT_DATE, NOARGS) ;
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PrintDate(NULL, PD_PTDATE, (TCHAR *)NULL, 0) ;
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cmd_printf(CrLf);
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};
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return(LastRetCode = GetVerSetDateTime(n->argptr, EDATE)) ;
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}
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/*** eTime - begin the execution of the Time command
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*
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* Purpose:
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* To display and/or set the system date.
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*
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* int eTime(struct cmdnode *n)
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*
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* Args:
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* n - the parse tree node containing the time command
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*
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* Returns:
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* SUCCESS always.
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*
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*/
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int eTime(n)
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struct cmdnode *n ;
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{
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BOOL bTerse = FALSE;
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PTCHAR pArgs = n->argptr;
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DEBUG((CLGRP, TILVL, "eTIME: argptr = `%s'", n->argptr)) ;
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//
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// If extensions are enabled, allow a /T switch
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// to disable inputing a new TIME, just display the
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// current time.
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//
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if (fEnableExtensions)
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while ( (pArgs = mystrchr( pArgs, TEXT('/') )) != NULL ) {
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TCHAR c = (TCHAR) _totlower(*(pArgs+1));
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if ( c == TEXT('t') )
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bTerse = TRUE;
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pArgs += 2; // just skip it
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}
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if ( bTerse ) {
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PrintTime(NULL, PD_PTDATE, (TCHAR *)NULL, 0) ;
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cmd_printf(CrLf);
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return(LastRetCode = SUCCESS);
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}
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if ((n->argptr == NULL) ||
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(*(n->argptr = EatWS(n->argptr, NULL)) == NULLC)) {
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PutStdOut(MSG_CURRENT_TIME, NOARGS) ;
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PrintTime(NULL, PT_TIME, (TCHAR *)NULL, 0) ;
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cmd_printf(CrLf);
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};
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return(LastRetCode = GetVerSetDateTime(n->argptr, ETIME)) ;
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}
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/*** PrintDate - print the date
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*
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* Purpose:
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* To print the date either in the format used by the Date command or
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* the format used by the Dir command. The structure Cinfo is checked
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* for the country date format.
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*
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* PrintDate(int flag, TCHAR *buffer)
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*
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* Args:
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* flag - indicates which format to print
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* *buffer - indicates whether or not to print date message
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*
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* Notes:
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*/
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int PrintDate(crt_time,flag,buffer,cch)
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struct tm *crt_time ;
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int flag ;
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TCHAR *buffer;
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int cch;
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{
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TCHAR DayOfWeek[SHORT_NAME_LENGTH];
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TCHAR datebuf [32] ;
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unsigned i, j, k, m;
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int ptr = 0;
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struct tm xcrt_time ;
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SYSTEMTIME SystemTime;
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FILETIME FileTime;
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FILETIME LocalFileTime;
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int cchUsed;
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BOOL NeedDayOfWeek = TRUE;
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DEBUG((CLGRP, DALVL, "PRINTDATE: flag = %d", flag)) ;
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//
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// PrintDate is never called with PD_DATE and buffer == NULL
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// PrintDate is never called with PD_DIR and buffer == NULL
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// PrintDate is never called with PD_PTDATE and buffer != NULL
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//
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// Another way of saying this is:
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// PD_DATE => output to buffer
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// PD_DIR => output to buffer
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// PD_DIR2000 => output to buffer
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// PD_PTDATE => print out
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//
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// PD_DIR MM/DD/YY
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// PD_DIR2000 MM/DD/YYYY
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// PD_DATE Japan: MM/DD/YYYY DayOfWeek Rest: DayOfWeek MM/DD/YYYY
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// PD_PTDATE Japan: MM/DD/YYYY DayOfWeek Rest: DayOfWeek MM/DD/YYYY
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//
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//
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// If no time was input, then use the current system time. Convert from the
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// various formats to something standard.
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//
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if (!crt_time) {
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GetSystemTime(&SystemTime);
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SystemTimeToFileTime(&SystemTime,&FileTime);
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} else {
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xcrt_time = *crt_time;
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ConverttmToFILETIME(&xcrt_time,&FileTime);
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}
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FileTimeToLocalFileTime(&FileTime,&LocalFileTime);
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FileTimeToSystemTime( &LocalFileTime, &SystemTime );
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//
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// SystemTime now contains the correct local time
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// FileTime now contains the correct local time
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//
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//
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// If extensions are enabled, we format things in the culturally
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// correct format (from international control panel). if not, then
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// we display it as best we can from NT 4.
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//
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if (fEnableExtensions) {
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TCHAR LocaleDateFormat[128];
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PTCHAR p;
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BOOL InQuotes = FALSE;
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//
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// Map the locale to one that is acceptable to the console subsystem
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//
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if (!GetLocaleInfo( CmdGetUserDefaultLCID( ),
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LOCALE_SSHORTDATE,
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LocaleDateFormat,
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sizeof( LocaleDateFormat ) / sizeof( LocaleDateFormat[0] ))) {
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//
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// Not enough room for this format, cheat and use the one we
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// assumed from the DateFormat
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//
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_tcscpy( LocaleDateFormat, DateFormatString );
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}
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//
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// The format string may be expanded with widely varying widths. We
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// adjust this string to try to make sure that they are all fixed widths.
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//
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// The picture formats only have varying widths for:
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// d (no leading zero date)
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// dddd(full date name)
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// M (no leading zero month)
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// MMMM(full month name)
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//
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// So, if we see d or M, we change it to dd or MM (leading zero)
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// If we see dddd or MMMM we change it to ddd or MMM (three char abbrev)
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//
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p = LocaleDateFormat;
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while (*p != TEXT( '\0' )) {
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TCHAR c = *p;
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//
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// Text inside single quotes is left alone
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//
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if (c == TEXT( '\'' )) {
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InQuotes = !InQuotes;
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p++;
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} else if (InQuotes) {
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p++;
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} else if (c == TEXT( 'd' ) || c == TEXT( 'M' )) {
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//
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// Count the number of identical chars
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//
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int Count = 0;
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while (*p == c) {
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Count++;
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p++;
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}
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//
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// Reset p and shuffle string around based on the repetition count
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//
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p -= Count;
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if (Count == 1) {
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//
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// Move string right by one and copy the first char
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//
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memmove( (PUCHAR) &p[1], (PUCHAR) &p[0], sizeof( TCHAR ) * (_tcslen( &p[0] ) + 1));
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//
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// Skip over the format string
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//
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p += 2;
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} else {
|
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//
|
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// If the format string is specifying a day of week (d), then we do not
|
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// need to add on the DayOfWeek, below
|
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//
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if (c == TEXT( 'd' )) {
|
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NeedDayOfWeek = FALSE;
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}
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|
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if (Count > 3) {
|
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//
|
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// Move string left from the first different char to just after the 3rd
|
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// repetition
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//
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memmove( (PUCHAR) &p[3], (PUCHAR) &p[Count], sizeof( TCHAR ) * (_tcslen( &p[Count] ) + 1));
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|
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//
|
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// Skip over the format string
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//
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p += 3;
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} else {
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|
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//
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// Skip over the 2 or 3 count
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//
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p += Count;
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}
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}
|
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} else {
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p++;
|
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}
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}
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|
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GetDateFormat( CmdGetUserDefaultLCID( ),
|
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0,
|
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&SystemTime,
|
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LocaleDateFormat,
|
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datebuf,
|
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sizeof( datebuf ) / sizeof( datebuf[0] ));
|
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} else {
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i = SystemTime.wMonth;
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j = SystemTime.wDay;
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k = SystemTime.wYear;
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|
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//
|
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// only print last two digits for DIR listings
|
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//
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|
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if (flag == PD_DIR) {
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k = k % 100;
|
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}
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|
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if (DateFormat == YYMMDD ) {
|
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m = k ; /* Swap all values */
|
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k = j ;
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j = i ;
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i = m ;
|
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} else if (DateFormat == DDMMYY) {
|
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m = i ; /* Swap mon/day for Europe */
|
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i = j ;
|
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j = m ;
|
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}
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|
|
DEBUG((CLGRP, DALVL, "PRINTDATE: i = %d j = %d k = %d", i, j, k)) ;
|
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|
|
//
|
|
// Format the current date and current day of week
|
|
//
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|
_sntprintf(datebuf, 32, Fmt10, i, DateSeparator, j, DateSeparator, k);
|
|
}
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|
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_tcscpy( DayOfWeek, dayptr( SystemTime.wDayOfWeek )) ;
|
|
|
|
//
|
|
// If there is no input buffer, we display the day-of-week and date
|
|
// according to language preference. Only in DBCS codepages (aka Japan)
|
|
// does the day of week FOLLOW the date
|
|
//
|
|
|
|
if (buffer == NULL) {
|
|
//
|
|
// This can only be PD_PTDATE
|
|
//
|
|
|
|
//
|
|
// No day of week means we simply display the date
|
|
//
|
|
|
|
if (!NeedDayOfWeek) {
|
|
cchUsed = cmd_printf( Fmt11, datebuf );
|
|
} else if (IsDBCSCodePage()) {
|
|
cchUsed = cmd_printf( Fmt15, datebuf, DayOfWeek ); // "%s %s "
|
|
} else {
|
|
cchUsed = cmd_printf( Fmt15, DayOfWeek, datebuf ); // "%s %s "
|
|
}
|
|
|
|
} else {
|
|
//
|
|
// for PD_DATE, we need to output the date in the correct spot
|
|
//
|
|
|
|
if (NeedDayOfWeek && flag == PD_DATE) {
|
|
|
|
if (IsDBCSCodePage()) {
|
|
_tcscpy( buffer, datebuf );
|
|
_tcscat( buffer, TEXT( " " ));
|
|
_tcscat( buffer, DayOfWeek );
|
|
} else {
|
|
_tcscpy( buffer, DayOfWeek );
|
|
_tcscat( buffer, TEXT( " " ));
|
|
_tcscat( buffer, datebuf );
|
|
}
|
|
} else {
|
|
//
|
|
// PD_DIR and PD_DIR2000 only get the date
|
|
//
|
|
|
|
_tcscpy( buffer, datebuf );
|
|
}
|
|
cchUsed = _tcslen( buffer );
|
|
}
|
|
|
|
return cchUsed;
|
|
}
|
|
|
|
|
|
|
|
|
|
/*** PrintTime - print the time
|
|
*
|
|
* Purpose:
|
|
* To print the time either in the format used by the Time command or
|
|
* the format used by the Dir command. The structure Cinfo is checked
|
|
* for the country time format.
|
|
*
|
|
* PrintTime(int flag)
|
|
*
|
|
* Args:
|
|
* flag - indicates which format to print
|
|
*
|
|
*/
|
|
|
|
int PrintTime(crt_time, flag, buffer, cch)
|
|
struct tm *crt_time ;
|
|
int flag ;
|
|
TCHAR *buffer;
|
|
int cch;
|
|
{
|
|
TCHAR *ampm ;
|
|
unsigned hr ;
|
|
SYSTEMTIME SystemTime;
|
|
FILETIME FileTime;
|
|
FILETIME LocalFileTime;
|
|
int cchUsed;
|
|
|
|
if (!crt_time) {
|
|
GetSystemTime(&SystemTime);
|
|
SystemTimeToFileTime(&SystemTime,&FileTime);
|
|
} else {
|
|
ConverttmToFILETIME(crt_time,&FileTime);
|
|
}
|
|
|
|
FileTimeToLocalFileTime(&FileTime,&LocalFileTime);
|
|
FileTimeToSystemTime( &LocalFileTime, &SystemTime );
|
|
|
|
|
|
//
|
|
// PT_TIME implies Time Command format. This is nothing more
|
|
// than 24 hour clock with tenths
|
|
//
|
|
|
|
if (flag == PT_TIME) { /* Print time in Time command format */
|
|
if (!buffer) {
|
|
cchUsed = cmd_printf(Fmt06,
|
|
SystemTime.wHour, TimeSeparator,
|
|
SystemTime.wMinute, TimeSeparator,
|
|
SystemTime.wSecond, DecimalPlace,
|
|
SystemTime.wMilliseconds/10
|
|
) ;
|
|
} else {
|
|
cchUsed = _sntprintf(buffer, cch, Fmt06,
|
|
SystemTime.wHour, TimeSeparator,
|
|
SystemTime.wMinute, TimeSeparator,
|
|
SystemTime.wSecond, DecimalPlace,
|
|
SystemTime.wMilliseconds/10
|
|
) ;
|
|
}
|
|
|
|
} else {
|
|
|
|
TCHAR TimeBuffer[32];
|
|
|
|
//
|
|
// Print time in Dir command format. If extensions are enabled
|
|
// then we have the culturally correct time, otherwise we use
|
|
// the NT 4 format.
|
|
//
|
|
|
|
if (fEnableExtensions) {
|
|
TCHAR LocaleTimeFormat[128];
|
|
PTCHAR p;
|
|
BOOL InQuotes = FALSE;
|
|
|
|
|
|
if (!GetLocaleInfo( CmdGetUserDefaultLCID( ),
|
|
LOCALE_STIMEFORMAT,
|
|
LocaleTimeFormat,
|
|
sizeof( LocaleTimeFormat ) / sizeof( LocaleTimeFormat[0] ))) {
|
|
//
|
|
// Not enough room for this format, cheat and use the one we
|
|
// assumed from the DateFormat
|
|
//
|
|
|
|
_tcscpy( LocaleTimeFormat, TEXT( "HH:mm:ss t" ));
|
|
}
|
|
|
|
//
|
|
// Scan the string looking for "h", "H", or "m" and make sure there are two of them.
|
|
// If there is a single one, replicate it. We do this to ensure leading zeros
|
|
// which we need to make this a fixed-width string
|
|
//
|
|
|
|
p = LocaleTimeFormat;
|
|
while (*p != TEXT( '\0' )) {
|
|
TCHAR c = *p;
|
|
|
|
//
|
|
// Text inside single quotes is left alone
|
|
//
|
|
|
|
if (c == TEXT( '\'' )) {
|
|
InQuotes = !InQuotes;
|
|
p++;
|
|
} else if (InQuotes) {
|
|
p++;
|
|
} else if (c == TEXT( 'h' ) || c == TEXT( 'H' ) || c == TEXT( 'm' )) {
|
|
|
|
//
|
|
// Count the number of identical chars
|
|
//
|
|
|
|
int Count = 0;
|
|
|
|
while (*p == c) {
|
|
Count++;
|
|
p++;
|
|
}
|
|
|
|
|
|
//
|
|
// Reset p and shuffle string around based on the repetition count
|
|
//
|
|
|
|
p -= Count;
|
|
|
|
if (Count == 1) {
|
|
memmove( (PUCHAR) &p[1], (PUCHAR) &p[0], sizeof( TCHAR ) * (_tcslen( &p[0] ) + 1));
|
|
*p = c;
|
|
}
|
|
|
|
p++;
|
|
|
|
}
|
|
|
|
p++;
|
|
}
|
|
|
|
cchUsed = GetTimeFormat( CmdGetUserDefaultLCID( ),
|
|
TIME_NOSECONDS,
|
|
&SystemTime,
|
|
LocaleTimeFormat,
|
|
TimeBuffer,
|
|
sizeof( TimeBuffer ) / sizeof( TimeBuffer[0] ));
|
|
|
|
if (cchUsed == 0) {
|
|
TimeBuffer[0] = TEXT( '\0' );
|
|
}
|
|
|
|
} else {
|
|
ampm = AMIndicator ;
|
|
hr = SystemTime.wHour;
|
|
if ( TimeAmPm ) { /* 12 hour am/pm format */
|
|
if ( hr >= 12) {
|
|
if (hr > 12) {
|
|
hr -= 12 ;
|
|
}
|
|
ampm = PMIndicator ;
|
|
} else if (hr == 0) {
|
|
hr = 12 ;
|
|
}
|
|
} else { /* 24 hour format */
|
|
ampm = TEXT( " " );
|
|
}
|
|
|
|
_sntprintf( TimeBuffer,
|
|
sizeof( TimeBuffer ) / sizeof( TimeBuffer[0] ),
|
|
Fmt04,
|
|
hr,
|
|
TimeSeparator,
|
|
SystemTime.wMinute,
|
|
ampm );
|
|
}
|
|
|
|
if (!buffer) {
|
|
cchUsed = CmdPutString( TimeBuffer );
|
|
} else {
|
|
_tcsncpy( buffer, TimeBuffer, cch );
|
|
buffer[cch] = TEXT( '\0' );
|
|
cchUsed = _tcslen( buffer );
|
|
}
|
|
|
|
}
|
|
|
|
return cchUsed;
|
|
}
|
|
|
|
|
|
/*** GetVerSetDateTime - controls the changing of the date/time
|
|
*
|
|
* Purpose:
|
|
* To prompt the user for a date or time, verify it, and set it.
|
|
* On entry, if *dtstr is not '\0', it already points to a date or time
|
|
* string.
|
|
*
|
|
* If null input is given to one of the prompts, the command execution
|
|
* ends; neither the date or the time is changed.
|
|
*
|
|
* Once valid input has been received the date/time is updated.
|
|
*
|
|
* int GetVerSetDateTime(TCHAR *dtstr, int call)
|
|
*
|
|
* Args:
|
|
* dtstr - ptr to command line date/time string and is used to hold a ptr
|
|
* to the tokenized date/time string
|
|
* call - indicates whether to prompt for date or time
|
|
*
|
|
*/
|
|
|
|
int GetVerSetDateTime(dtstr, call)
|
|
TCHAR *dtstr ;
|
|
int call ;
|
|
{
|
|
TCHAR dtseps[16] ; /* Date/Time separators passed to TokStr() */
|
|
TCHAR *scan;
|
|
TCHAR separators[16];
|
|
TCHAR LocalBuf[MAX_PATH];
|
|
|
|
unsigned int dformat ;
|
|
SYSTEMTIME OsDateAndTime;
|
|
LONG cbRead;
|
|
int ret;
|
|
|
|
if (call == EDATE) { /* Initialize date/time separator list */
|
|
dtseps[0] = TEXT('/') ;
|
|
dtseps[1] = TEXT('-') ;
|
|
dtseps[2] = TEXT('.') ;
|
|
_tcscpy(&dtseps[3], DateSeparator) ;
|
|
} else {
|
|
dtseps[0] = TEXT(':');
|
|
dtseps[1] = TEXT('.');
|
|
dtseps[2] = TimeSeparator[0] ;
|
|
_tcscpy(&dtseps[3], DecimalPlace) ; /* decimal separator should */
|
|
/* always be last */
|
|
}
|
|
|
|
DEBUG((CLGRP, DALVL|TILVL, "GVSDT: dtseps = `%s'", dtseps)) ;
|
|
|
|
for ( ; ; ) { /* Date/time get-verify-set loop */
|
|
if ((dtstr) && (*dtstr != NULLC)) { /* If a date/time was passed copy it into input buffer */
|
|
if (_tcslen( dtstr ) >= MAX_PATH) {
|
|
PutStdOut(((call == EDATE) ? MSG_INVALID_DATE : MSG_REN_INVALID_TIME), NOARGS);
|
|
return FAILURE;
|
|
}
|
|
|
|
_tcscpy(LocalBuf, dtstr) ;
|
|
*dtstr = NULLC ;
|
|
} else { /* Otherwise, prompt for new date/time */
|
|
switch (DateFormat) { /* M012 */
|
|
/* case USA: */
|
|
case MMDDYY: /* @@ */
|
|
dformat = MSG_ENTER_NEW_DATE ;
|
|
break ;
|
|
|
|
/* case JAPAN:
|
|
case CHINA:
|
|
case SWEDEN:
|
|
case FCANADA: @@ */
|
|
case YYMMDD:
|
|
dformat = MSG_ENTER_JAPAN_DATE ;
|
|
break ;
|
|
|
|
default:
|
|
dformat = MSG_ENTER_DEF_DATE ;
|
|
} ;
|
|
|
|
if ( call == EDATE )
|
|
PutStdOut(dformat, ONEARG, DateSeparator );
|
|
else
|
|
PutStdOut(MSG_ENTER_NEW_TIME, NOARGS);
|
|
|
|
scan = LocalBuf;
|
|
ret = ReadBufFromInput(CRTTONT(STDIN),LocalBuf,MAX_PATH,&cbRead);
|
|
if (ret && cbRead != 0) {
|
|
|
|
*(scan + cbRead) = NULLC ;
|
|
|
|
} else {
|
|
|
|
//
|
|
// attempt to read past eof or error in pipe
|
|
// etc.
|
|
//
|
|
return( FAILURE );
|
|
|
|
}
|
|
for (scan = LocalBuf; *scan; scan++)
|
|
if ( (*scan == '\n') || (*scan == '\r' )) {
|
|
*scan = '\0';
|
|
break;
|
|
}
|
|
if (!FileIsDevice(STDIN))
|
|
cmd_printf(Fmt17, LocalBuf) ;
|
|
DEBUG((CLGRP, DALVL|TILVL, "GVSDT: LocalBuf = `%s'", LocalBuf)) ;
|
|
}
|
|
|
|
_tcscpy( separators, dtseps);
|
|
_tcscat( separators, TEXT(";") );
|
|
if (*(dtstr = TokStr(LocalBuf,separators, TS_SDTOKENS )) == NULLC)
|
|
return( SUCCESS ) ; /* If empty input, return */
|
|
|
|
/* - Fill date/time buffer with correct date time and overlay that
|
|
* of the user
|
|
*/
|
|
GetLocalTime( &OsDateAndTime );
|
|
|
|
|
|
if (((call == EDATE) ? VerifyDateString(&OsDateAndTime,dtstr,dtseps) :
|
|
VerifyTimeString(&OsDateAndTime,dtstr,dtseps))) {
|
|
|
|
if (SetDateTime( &OsDateAndTime )) {
|
|
return( SUCCESS ) ;
|
|
} else {
|
|
if (GetLastError() == ERROR_PRIVILEGE_NOT_HELD) {
|
|
PutStdErr(GetLastError(),NOARGS);
|
|
return( FAILURE );
|
|
}
|
|
}
|
|
}
|
|
|
|
DEBUG((CLGRP, DALVL|TILVL, "GVSDT: Bad date/time entered.")) ;
|
|
|
|
PutStdOut(((call == EDATE) ? MSG_INVALID_DATE : MSG_REN_INVALID_TIME), NOARGS);
|
|
*dtstr = NULLC ;
|
|
}
|
|
return( SUCCESS );
|
|
}
|
|
|
|
|
|
/*** VerifyDateString - verifies a date string
|
|
*
|
|
* Purpose:
|
|
* To verify a date string and load it into OsDateAndTime.
|
|
*
|
|
* VerifyDateString(TCHAR *dtoks, TCHAR *dseps)
|
|
*
|
|
* Args:
|
|
* OsDateAndTime - where to store output numbers.
|
|
* dtoks - tokenized date string
|
|
* dseps - valid date separator characters
|
|
*
|
|
* Returns:
|
|
* TRUE if the date string is valid.
|
|
* FALSE if the date string is invalid.
|
|
*
|
|
*/
|
|
|
|
VerifyDateString(OsDateAndTime, dtoks, dseps)
|
|
LPSYSTEMTIME OsDateAndTime ;
|
|
TCHAR *dtoks ;
|
|
TCHAR *dseps ;
|
|
{
|
|
int indexes[3] ; /* Storage for date elements */
|
|
int i ; /* Work variable */
|
|
int y, d, m ; /* Array indexes */
|
|
|
|
switch (DateFormat) { /* Set array according to date format */
|
|
case MMDDYY:
|
|
m = 0 ;
|
|
d = 1 ;
|
|
y = 2 ;
|
|
break ;
|
|
|
|
case YYMMDD:
|
|
y = 0 ;
|
|
m = 1 ;
|
|
d = 2 ;
|
|
break ;
|
|
|
|
default:
|
|
d = 0 ;
|
|
m = 1 ;
|
|
y = 2 ;
|
|
}
|
|
|
|
DEBUG((CLGRP, DALVL, "VDATES: m = %d, d = %d, y = %d", m, d, y)) ;
|
|
|
|
/* Loop through the tokens in dtoks, and load them into the array. Note
|
|
* that the separators are also tokens in the string requiring the token
|
|
* pointer to be advanced twice for each element.
|
|
*/
|
|
for (i = 0 ; i < 3 ; i++, dtoks += _tcslen(dtoks)+1) {
|
|
TCHAR *j;
|
|
int Length;
|
|
|
|
DEBUG((CLGRP, DALVL, "VDATES: i = %d dtoks = `%ws'", i, dtoks)) ;
|
|
|
|
|
|
//
|
|
// The atoi() return code will not suffice to reject date field strings with
|
|
// non-digit characters. It is zero, both for error and for the valid integer
|
|
// zero. Also, a string like "8$" will return 8. For that reason, each
|
|
// character must be tested.
|
|
//
|
|
|
|
j = dtoks;
|
|
while (*j != TEXT( '\0' )) {
|
|
if (!_istdigit( *j )) {
|
|
return FALSE;
|
|
}
|
|
j++;
|
|
}
|
|
|
|
//
|
|
// Verify lengths:
|
|
// years can be 2 or 4 chars in length
|
|
// Days can be 1 or 2 chars in length
|
|
// Months can be 1 or 2 chars in length
|
|
//
|
|
|
|
indexes[i] = _tcstol(dtoks, NULL, 10) ;
|
|
|
|
Length = (int)(j - dtoks);
|
|
if (i == y) {
|
|
if (Length != 2 && Length != 4) {
|
|
return FALSE;
|
|
} else if (Length == 4 && indexes[i] < 1600) {
|
|
return FALSE;
|
|
}
|
|
} else
|
|
if (Length != 1 && Length != 2) {
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
dtoks = j + 1;
|
|
DEBUG((CLGRP, DALVL, "VDATES: *dtoks = %02x", *dtoks)) ;
|
|
|
|
if (i < 2 && (!*dtoks || !_tcschr(dseps, *dtoks)))
|
|
return(FALSE) ;
|
|
}
|
|
|
|
//
|
|
// FIX,FIX - need to calculate OsDateAndTime->wDayOfWeek
|
|
//
|
|
|
|
OsDateAndTime->wDay = (WORD)indexes[d] ;
|
|
OsDateAndTime->wMonth = (WORD)indexes[m] ;
|
|
|
|
//
|
|
// Take two-digit years and convert them appropriately:
|
|
// 80...99 => 1980...1999
|
|
// 00...79 => 2000...2079
|
|
//
|
|
// Four-digit years are taken at face value
|
|
//
|
|
|
|
if (indexes[y] < 0) {
|
|
return FALSE;
|
|
} else if (00 <= indexes[y] && indexes[y] <= 79) {
|
|
indexes[y] += 2000;
|
|
} else if (80 <= indexes[y] && indexes[y] <= 99) {
|
|
indexes[y] += 1900;
|
|
} else if (100 <= indexes[y] && indexes[y] <= 1979) {
|
|
return FALSE;
|
|
}
|
|
|
|
OsDateAndTime->wYear = (WORD)indexes[y] ;
|
|
return(TRUE) ;
|
|
}
|
|
|
|
|
|
|
|
|
|
/*** VerifyTimeString - verifies a time string
|
|
*
|
|
* Purpose:
|
|
* To verify a date string and load it into OsDateAndTime.
|
|
*
|
|
* VerifyTimeString(TCHAR *ttoks)
|
|
*
|
|
* Args: /
|
|
* OsDateAndTime - where to store output numbers.
|
|
* ttoks - Tokenized time string. NOTE: Each time field and each
|
|
* separator field is an individual token in the time string.
|
|
* Thus the token advancing formula "str += mystrlen(str)+1",
|
|
* must be used twice to go from one time field to the next.
|
|
*
|
|
* Returns:
|
|
* TRUE if the time string is valid.
|
|
* FALSE if the time string is invalid.
|
|
*
|
|
*/
|
|
|
|
VerifyTimeString(OsDateAndTime, ttoks, tseps)
|
|
LPSYSTEMTIME OsDateAndTime ;
|
|
TCHAR *ttoks ;
|
|
TCHAR *tseps ;
|
|
{
|
|
int i ; /* Work variables */
|
|
int j ;
|
|
TCHAR *p1, *p2;
|
|
WORD *pp;
|
|
TCHAR tsuffixes[] = TEXT("aApP");
|
|
|
|
p2 = &tseps[ 1 ];
|
|
|
|
pp = &OsDateAndTime->wHour;
|
|
|
|
for (i = 0 ; i < 4 ; i++, ttoks += mystrlen(ttoks)+1) {
|
|
|
|
DEBUG((CLGRP,TILVL, "VTIMES: ttoks = `%ws' i = %d", ttoks, i)) ;
|
|
|
|
/* First insure that field is <= 2 bytes and they are digits. Note this
|
|
* also verifies that field is present.
|
|
*/
|
|
|
|
if ((j = mystrlen(ttoks)) > 2 ||
|
|
!_istdigit(*ttoks) ||
|
|
(*(ttoks+1) && !_istdigit(*(ttoks+1))))
|
|
break;
|
|
|
|
*pp++ = (TCHAR)_tcstol(ttoks, NULL, 10) ; /* Field OK, store int */
|
|
ttoks += j+1 ; /* Adv to separator tok */
|
|
|
|
DEBUG((CLGRP, TILVL, "VTIMES: separator = `%ws'", ttoks)) ;
|
|
|
|
if (!*ttoks) /* No separator field? */
|
|
break ; /* If so, exit loop */
|
|
|
|
/* handle AM or PM
|
|
*/
|
|
if (mystrchr(tsuffixes, *ttoks)) {
|
|
goto HandleAMPM;
|
|
}
|
|
/* M000 - Fixed ability to use '.' as separator for time strings
|
|
*/
|
|
if ( i < 2 ) {
|
|
if ( ! (p1 = mystrchr(tseps, *ttoks) ) )
|
|
return(FALSE) ;
|
|
|
|
} else {
|
|
if (*ttoks != *p2) /* Is decimal seperator */
|
|
return(FALSE) ; /* valid. */
|
|
}
|
|
} ;
|
|
|
|
//
|
|
// see if there's an a or p specified. if there's a P, adjust
|
|
// for PM time
|
|
//
|
|
|
|
if (*ttoks) {
|
|
BOOL pm;
|
|
if (!mystrchr(tsuffixes, *ttoks)) {
|
|
return FALSE;
|
|
}
|
|
HandleAMPM:
|
|
pm = (*ttoks == TEXT('p') || *ttoks == TEXT('P'));
|
|
|
|
// if we're here, we've encountered an 'a' or 'p'. make
|
|
// sure that it's the last character or that the only
|
|
// character left is an 'm'. remember that since
|
|
// 'a' and 'p' are separators, they get separated from the 'm'.
|
|
|
|
ttoks += 2; // go past 'a' or 'p' plus null.
|
|
if (*ttoks != NULLC &&
|
|
*ttoks != TEXT('m') &&
|
|
*ttoks != TEXT('M')) {
|
|
return FALSE;
|
|
}
|
|
if (pm) {
|
|
if (OsDateAndTime->wHour != 12) {
|
|
OsDateAndTime->wHour += 12;
|
|
}
|
|
} else {
|
|
if (OsDateAndTime->wHour == 12) {
|
|
OsDateAndTime->wHour -= 12;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* M002 - If we got at least one field, fill the rest with 00's
|
|
*/
|
|
while (++i < 4)
|
|
*pp++ = 0 ;
|
|
|
|
return(TRUE) ;
|
|
}
|
|
|
|
VOID
|
|
ConverttmToFILETIME (
|
|
struct tm *Time,
|
|
LPFILETIME FileTime
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine converts an NtTime value to its corresponding Fat time
|
|
value.
|
|
|
|
Arguments:
|
|
|
|
Time - Supplies the C Runtime Time value to convert from
|
|
|
|
FileTime - Receives the equivalent File date and time
|
|
|
|
Return Value:
|
|
|
|
BOOLEAN - TRUE if the Nt time value is within the range of Fat's
|
|
time range, and FALSE otherwise
|
|
|
|
--*/
|
|
|
|
{
|
|
SYSTEMTIME SystemTime;
|
|
|
|
if (!Time) {
|
|
GetSystemTime(&SystemTime);
|
|
} else {
|
|
|
|
//
|
|
// Pack the input time/date into a system time record
|
|
//
|
|
|
|
SystemTime.wYear = (WORD)Time->tm_year;
|
|
SystemTime.wMonth = (WORD)(Time->tm_mon+1); // C is [0..11]
|
|
// NT is [1..12]
|
|
SystemTime.wDay = (WORD)Time->tm_mday;
|
|
SystemTime.wHour = (WORD)Time->tm_hour;
|
|
SystemTime.wMinute = (WORD)Time->tm_min;
|
|
SystemTime.wSecond = (WORD)Time->tm_sec;
|
|
SystemTime.wDayOfWeek = (WORD)Time->tm_wday;
|
|
SystemTime.wMilliseconds = 0;
|
|
}
|
|
SystemTimeToFileTime( &SystemTime, FileTime );
|
|
|
|
}
|
|
|
|
VOID
|
|
ConvertFILETIMETotm (
|
|
LPFILETIME FileTime,
|
|
struct tm *Time
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine converts a file time to its corresponding C Runtime time
|
|
value.
|
|
|
|
Arguments:
|
|
|
|
FileTime - Supplies the File date and time to convert from
|
|
|
|
Time - Receives the equivalent C Runtime Time value
|
|
|
|
Return Value:
|
|
|
|
--*/
|
|
|
|
{
|
|
SYSTEMTIME SystemTime;
|
|
|
|
// why skip printing the date if it's invalid?
|
|
//if (FileTime->dwLowDateTime == 0 && FileTime->dwHighDateTime == 0) {
|
|
// return( FALSE );
|
|
// }
|
|
|
|
FileTimeToSystemTime( FileTime, &SystemTime );
|
|
|
|
|
|
//
|
|
// Pack the input time/date into a time field record
|
|
//
|
|
|
|
Time->tm_year = SystemTime.wYear;
|
|
Time->tm_mon = SystemTime.wMonth-1; // NT is [1..12]
|
|
// C is [0..11]
|
|
Time->tm_mday = SystemTime.wDay;
|
|
Time->tm_hour = SystemTime.wHour;
|
|
Time->tm_min = SystemTime.wMinute;
|
|
Time->tm_sec = SystemTime.wSecond;
|
|
Time->tm_wday = SystemTime.wDayOfWeek;
|
|
Time->tm_yday = 0;
|
|
Time->tm_isdst = 0;
|
|
}
|
|
|
|
|