-rw-r--r-- | qmake/tools/qdatetime.cpp | 70 |
1 files changed, 58 insertions, 12 deletions
diff --git a/qmake/tools/qdatetime.cpp b/qmake/tools/qdatetime.cpp index 93e40a8..3137877 100644 --- a/qmake/tools/qdatetime.cpp +++ b/qmake/tools/qdatetime.cpp @@ -1,16 +1,16 @@ /**************************************************************************** ** $Id$ ** ** Implementation of date and time classes ** ** Created : 940124 ** -** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. +** Copyright (C) 1992-2002 Trolltech AS. All rights reserved. ** ** This file is part of the tools module of the Qt GUI Toolkit. ** ** This file may be distributed under the terms of the Q Public License ** as defined by Trolltech AS of Norway and appearing in the file ** LICENSE.QPL included in the packaging of this file. ** ** This file may be distributed and/or modified under the terms of the @@ -30,17 +30,16 @@ ** See http://www.trolltech.com/qpl/ for QPL licensing information. ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ -// Get the system specific includes and defines #include "qplatformdefs.h" #include "qdatetime.h" #include "qdatastream.h" #include "qregexp.h" #include <stdio.h> #ifndef Q_OS_TEMP @@ -890,16 +889,22 @@ QDate QDate::addMonths( int nmonths ) const \sa addDays(), addMonths() */ QDate QDate::addYears( int nyears ) const { int y, m, d; julianToGregorian( jd, y, m, d ); y += nyears; + + QDate tmp(y,m,1); + + if( d > tmp.daysInMonth() ) + d = tmp.daysInMonth(); + QDate date(y, m, d); return date; } /*! Returns the number of days from this date to \a d (which is @@ -985,23 +990,35 @@ QDate QDate::currentDate( Qt::TimeSpec ts ) SYSTEMTIME t; memset( &t, 0, sizeof(SYSTEMTIME) ); if ( ts == Qt::LocalTime ) GetLocalTime( &t ); else GetSystemTime( &t ); d.jd = gregorianToJulian( t.wYear, t.wMonth, t.wDay ); #else + // posix compliant system time_t ltime; time( <ime ); tm *t; + +# if defined(QT_THREAD_SUPPORT) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) + // use the reentrant versions of localtime() and gmtime() where available + tm res; + if ( ts == Qt::LocalTime ) + t = localtime_r( <ime, &res ); + else + t = gmtime_r( <ime, &res ); +# else if ( ts == Qt::LocalTime ) t = localtime( <ime ); - else + else t = gmtime( <ime ); +# endif // QT_THREAD_SUPPORT && _POSIX_THREAD_SAFE_FUNCTIONS + d.jd = gregorianToJulian( t->tm_year + 1900, t->tm_mon + 1, t->tm_mday ); #endif return d; } #ifndef QT_NO_DATESTRING /*! Returns the QDate represented by the string \a s, using the format @@ -1550,17 +1567,17 @@ int QTime::msecsTo( const QTime &t ) const \fn bool QTime::operator>=( const QTime &t ) const Returns TRUE if this time is later than or equal to \a t; otherwise returns FALSE. */ -/*! +/*! \overload Returns the current time as reported by the system clock. Note that the accuracy depends on the accuracy of the underlying operating system; not all systems provide 1-millisecond accuracy. */ @@ -1648,32 +1665,43 @@ bool QTime::currentTime( QTime *ct, Qt::TimeSpec ts ) if ( ts == Qt::LocalTime ) { GetLocalTime( &t ); } else { GetSystemTime( &t ); } ct->ds = (uint)( MSECS_PER_HOUR*t.wHour + MSECS_PER_MIN*t.wMinute + 1000*t.wSecond + t.wMilliseconds ); #elif defined(Q_OS_UNIX) + // posix compliant system struct timeval tv; gettimeofday( &tv, 0 ); time_t ltime = tv.tv_sec; tm *t; - if ( ts == Qt::LocalTime ) { + +# if defined(QT_THREAD_SUPPORT) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) + // use the reentrant versions of localtime() and gmtime() where available + tm res; + if ( ts == Qt::LocalTime ) + t = localtime_r( <ime, &res ); + else + t = gmtime_r( <ime, &res ); +# else + if ( ts == Qt::LocalTime ) t = localtime( <ime ); - } else { + else t = gmtime( <ime ); - } +# endif // QT_THREAD_SUPPORT && _POSIX_THREAD_SAFE_FUNCTIONS + ct->ds = (uint)( MSECS_PER_HOUR * t->tm_hour + MSECS_PER_MIN * t->tm_min + 1000 * t->tm_sec + tv.tv_usec / 1000 ); #else time_t ltime; // no millisecond resolution ::time( <ime ); tm *t; - if ( ts == Qt::LocalTime ) + if ( ts == Qt::LocalTime ) localtime( <ime ); else gmtime( <ime ); ct->ds = (uint) ( MSECS_PER_HOUR * t->tm_hour + MSECS_PER_MIN * t->tm_min + 1000 * t->tm_sec ); #endif // 00:00.00 to 00:00.59.999 is considered as "midnight or right after" return ct->ds < (uint) MSECS_PER_MIN; @@ -1701,19 +1729,19 @@ bool QTime::isValid( int h, int m, int s, int ms ) } /*! Sets this time to the current time. This is practical for timing: \code QTime t; - t.start(); // start clock - ... // some lengthy task - qDebug( "%d\n", t.elapsed() ); // prints the number of msecs elapsed + t.start(); + some_lengthy_task(); + qDebug( "Time elapsed: %d ms", t.elapsed() ); \endcode \sa restart(), elapsed(), currentTime() */ void QTime::start() { *this = currentTime(); @@ -1955,26 +1983,44 @@ void QDateTime::setTime_t( uint secsSince1Jan1970UTC ) supported, as Windows starts counting from 1980. \sa toTime_t() */ void QDateTime::setTime_t( uint secsSince1Jan1970UTC, Qt::TimeSpec ts ) { time_t tmp = (time_t) secsSince1Jan1970UTC; tm *brokenDown = 0; + +#if defined(Q_OS_UNIX) && defined(QT_THREAD_SUPPORT) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) + // posix compliant system + // use the reentrant versions of localtime() and gmtime() where available + tm res; + if ( ts == Qt::LocalTime ) + brokenDown = localtime_r( &tmp, &res ); + if ( !brokenDown ) { + brokenDown = gmtime_r( &tmp, &res ); + if ( !brokenDown ) { + d.jd = QDate::gregorianToJulian( 1970, 1, 1 ); + t.ds = 0; + return; + } + } +#else if ( ts == Qt::LocalTime ) brokenDown = localtime( &tmp ); if ( !brokenDown ) { brokenDown = gmtime( &tmp ); if ( !brokenDown ) { d.jd = QDate::gregorianToJulian( 1970, 1, 1 ); t.ds = 0; return; } } +#endif + d.jd = QDate::gregorianToJulian( brokenDown->tm_year + 1900, brokenDown->tm_mon + 1, brokenDown->tm_mday ); t.ds = MSECS_PER_HOUR * brokenDown->tm_hour + MSECS_PER_MIN * brokenDown->tm_min + 1000 * brokenDown->tm_sec; } #ifndef QT_NO_DATESTRING @@ -2295,17 +2341,17 @@ bool QDateTime::operator>=( const QDateTime &dt ) const { if ( d > dt.d ) return TRUE; return d == dt.d ? t >= dt.t : FALSE; } /*! \overload - + Returns the current datetime, as reported by the system clock. \sa QDate::currentDate(), QTime::currentTime() */ QDateTime QDateTime::currentDateTime() { return currentDateTime( Qt::LocalTime ); |