Differences From Artifact [1720c26bac]:

• File win/tclWinTime.c — part of check-in [27f78ca91b] at 2004-05-14 21:41:04 on branch core-8-4-branch — 2004-05-14 Kevin B. Kenny <kennykb@acm.org> * generic/tclInt.decls: Promoted TclpLocaltime and TclpGmtime * generic/tclIntDecls.h: from Unix-specific stubs to the generic * generic/tclIntPlatDecls.h: internal Stubs table. Reran 'genstubs' * generic/tclStubInit.c: * unix/tclUnixPort.h: * generic/tclClock.c: Changed a buggy 'GMT' timezone specification to the correct 'GMT0'. [Bug #922848] * unix/tclUnixThrd.c: Moved TclpGmtime and TclpLocaltime to unix/tclUnixTime.c where they belong. * unix/tclUnixTime.c (TclpGmtime, TclpLocaltime, TclpGetTimeZone, ThreadSafeGMTime [removed], ThreadSafeLocalTime [removed], SetTZIfNecessary, CleanupMemory): Restructured to make sure that the same mutex protects all calls to localtime, gmtime, and tzset. Added a check in front of those calls to make sure that the TZ env var hasn't changed since the last call to tzset, and repeat tzset if necessary. [Bug #942078] Removed a buggy test of the Daylight Saving Time information in 'gettimeofday' in favor of applying 'localtime' to a known value. [Bug #922848] * tests/clock.test (clock-3.14): Added test to make sure that changes to $env(TZ) take effect immediately. * win/tclWinTime.c (TclpLocaltime, TclpGmtime): Added porting layer for 'localtime' and 'gmtime' calls. (user: kennykb size: 30057)

To Artifact [2da068e0b2]:

• File win/tclWinTime.c — part of check-in [23544a04ac] at 2004-05-17 14:26:31 on branch core-8-4-branch — * generic/tclInt.decls: Restored TclpTime_t kludge to all * generic/tclIntPlatDecls.h: places where it appeared before the * unix/tclUnixPort.h changes of 14 May, because use of * unix/tclUnixTime.h native time_t in its place requires * win/tclWinTime.h: the 8.5 header reforms. [Bug #955146] (user: kennykb size: 30136)

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/* 
 * tclWinTime.c --
 *
 *	Contains Windows specific versions of Tcl functions that
 *	obtain time values from the operating system.
 *
 * Copyright 1995-1998 by Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 * RCS: @(#) $Id: tclWinTime.c,v 1.14.2.3 2004/05/14 21:41:12 kennykb Exp $
 * RCS: @(#) $Id: tclWinTime.c,v 1.14.2.4 2004/05/17 14:26:50 kennykb Exp $
 */

#include "tclWinInt.h"

#define SECSPERDAY (60L * 60L * 24L)
#define SECSPERYEAR (SECSPERDAY * 365L)
#define SECSPER4YEAR (SECSPERYEAR * 4L + SECSPERDAY)

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 * Side effects:
 *	Invokes gmtime or gmtime_r as appropriate.
 *
 *----------------------------------------------------------------------
 */

struct tm *
TclpGmtime( timePtr )
    CONST time_t *timePtr;	/* Pointer to the number of seconds
TclpGmtime( tt )
    TclpTime_t tt;
{
    CONST time_t *timePtr = (CONST time_t *) tt;
				/* Pointer to the number of seconds
				 * since the local system's epoch */

{
    /*
     * The MS implementation of gmtime is thread safe because
     * it returns the time in a block of thread-local storage,
     * and Windows does not provide a Posix gmtime_r function.
     */
    return gmtime( timePtr );
}

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 * Side effects:
 *	Invokes localtime or localtime_r as appropriate.
 *
 *----------------------------------------------------------------------
 */

struct tm *
TclpLocaltime( timePtr )
    CONST time_t *timePtr;	/* Pointer to the number of seconds
TclpLocaltime( tt )
    TclpTime_t tt;
{
    CONST time_t *timePtr = (CONST time_t *) tt;
				/* Pointer to the number of seconds
				 * since the local system's epoch */

{
    /*
     * The MS implementation of localtime is thread safe because
     * it returns the time in a block of thread-local storage,
     * and Windows does not provide a Posix localtime_r function.
     */
    return localtime( timePtr );
}