update CLib

git-svn-id: svn://kolibrios.org@614 a494cfbc-eb01-0410-851d-a64ba20cac60
2007-08-28 10:31:46 +00:00
parent 52facee6d5
commit 3be3768ce0
98 changed files with 9908 additions and 0 deletions
--- a/watcom/trunk/clib/time/mktime.c
+++ b/watcom/trunk/clib/time/mktime.c
@@ -0,0 +1,69 @@
+/****************************************************************************
+*
+*                            Open Watcom Project
+*
+*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
+*
+*  ========================================================================
+*
+*    This file contains Original Code and/or Modifications of Original
+*    Code as defined in and that are subject to the Sybase Open Watcom
+*    Public License version 1.0 (the 'License'). You may not use this file
+*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
+*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
+*    provided with the Original Code and Modifications, and is also
+*    available at www.sybase.com/developer/opensource.
+*
+*    The Original Code and all software distributed under the License are
+*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
+*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
+*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
+*    NON-INFRINGEMENT. Please see the License for the specific language
+*    governing rights and limitations under the License.
+*
+*  ========================================================================
+*
+* Description:  Platform independent mktime() implementation.
+*
+****************************************************************************/
+
+#include "variety.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <limits.h>
+#include "rtdata.h"
+#include "timedata.h"
+
+_WCRTLINK time_t mktime( struct tm *t )
+{
+    long        days;
+    long        seconds;
+    long        day_seconds;
+
+    seconds = __local_mktime( t, &days, &day_seconds );
+    __brktime( (unsigned long) days, (time_t) day_seconds, 0L, t );
+    tzset();
+    seconds += _RWD_timezone; /* add in seconds from GMT */
+#ifdef __LINUX__
+    if( t->tm_isdst < 0 )
+        __check_tzfile( seconds, t );
+#endif
+    /* if we are in d.s.t. then subtract __dst_adjust from seconds */
+    if( __isindst( t ) )  /* - determine if we are in d.s.t. */
+        seconds -= _RWD_dst_adjust;
+#ifdef __UNIX__               /* time_t is signed */
+    if( seconds < 0 )
+        return( ( time_t ) -1 );
+#else /* time_t is unsigned, special day check needed for 31 dec 1969 */
+    /* check for overflow; days == 75277 && seconds == 23296 returns 0, but
+       adjusted for dst may still be fine */
+    if( days >= 75279 ||
+        ( seconds >= 0 && days >= 75276 ) ||
+        ( seconds < 0 && days <= DAYS_FROM_1900_TO_1970 ) )
+        return( (time_t) -1 );
+    /* 0 is year = 206, mon = 1, mday = 7, hour = 6, min = 28, sec = 16 */
+#endif
+    return( ( time_t ) seconds );
+}