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Resync the source tree, commit some things that were missing (pqcomprim.c) and

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bring in Thomas's updates for the date/time code...
This commit is contained in:
Marc G. Fournier
1997-03-18 16:36:50 +00:00
parent 7d02575ad1
commit b5e16b1869
6 changed files with 152 additions and 70 deletions
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65
src/backend/utils/adt/nabstime.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/nabstime.c,v 1.14 1997/03/14 23:20:31 scrappy Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/nabstime.c,v 1.15 1997/03/18 16:35:20 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
@ -17,35 +17,24 @@
#include <sys/types.h>
#include "postgres.h"
#include <miscadmin.h>
#ifndef USE_POSIX_TIME
#include <sys/timeb.h>
#endif
#include "access/xact.h"
#if USE_EURODATES
extern int EuroDates;
#endif
#if FALSE
#define MAXDATELEN 47
#define MAXDATEFIELDS 25
#endif
#define MIN_DAYNUM -24856 /* December 13, 1901 */
#define MAX_DAYNUM 24854 /* January 18, 2038 */
/*
* parse and convert absolute date in timestr (the normal interface)
/* GetCurrentAbsoluteTime()
* Get the current system time. Set timezone parameters if not specified elsewhere.
* Define HasTZSet to allow clients to specify the default timezone.
*
* Returns the number of seconds since epoch (January 1 1970 GMT)
*/
#ifndef USE_POSIX_TIME
long int timezone;
long int daylight;
#endif
AbsoluteTime
GetCurrentAbsoluteTime(void)
{
@ -53,24 +42,40 @@ GetCurrentAbsoluteTime(void)
#ifdef USE_POSIX_TIME
now = time(NULL);
#if defined(HAVE_TZSET) && defined(HAVE_INT_TIMEZONE)
tzset();
#else /* !HAVE_TZSET */
struct tm *tmnow = localtime(&now);
timezone = - tmnow->tm_gmtoff; /* tm_gmtoff is Sun/DEC-ism */
daylight = (tmnow->tm_isdst > 0);
#endif
#else /* ! USE_POSIX_TIME */
struct timeb tbnow; /* the old V7-ism */
(void) ftime(&tbnow);
now = tbnow.time;
timezone = tbnow.timezone * 60;
daylight = (tbnow.dstflag != 0);
#endif
if (! HasCTZSet) {
#ifdef USE_POSIX_TIME
#if defined(HAVE_TZSET) && defined(HAVE_INT_TIMEZONE)
tzset();
CTimeZone = timezone;
CDayLight = daylight;
strcpy( CTZName, tzname[0]);
#else /* !HAVE_TZSET */
struct tm *tmnow = localtime(&now);
CTimeZone = - tmnow->tm_gmtoff; /* tm_gmtoff is Sun/DEC-ism */
CDayLight = (tmnow->tm_isdst > 0);
/* XXX is there a better way to get local timezone string in V7? - tgl 97/03/18 */
strftime( CTZName, "%Z", localtime(&now));
#endif
#else /* ! USE_POSIX_TIME */
CTimeZone = tbnow.timezone * 60;
CDayLight = (tbnow.dstflag != 0);
/* XXX does this work to get the local timezone string in V7? - tgl 97/03/18 */
strftime( CTZName, "%Z", localtime(&now));
#endif
};
#ifdef DATEDEBUG
printf( "GetCurrentAbsoluteTime- timezone is %s -> %d seconds from UTC\n",
CTZName, CTimeZone);
#endif
return((AbsoluteTime) now);
} /* GetCurrentAbsoluteTime() */
@ -157,7 +162,7 @@ printf( "nabstimein- %d fields are type %d (DTK_DATE=%d)\n", nf, dtype, DTK_DATE
/* daylight correction */
if (tm->tm_isdst < 0) { /* unknown; find out */
tm->tm_isdst = (daylight > 0);
tm->tm_isdst = (CDayLight > 0);
};
if (tm->tm_isdst > 0)
sec -= 60*60;
@ -298,7 +303,7 @@ qmktime(struct tm *tm)
/* daylight correction */
if (tm->tm_isdst < 0) { /* unknown; find out */
tm->tm_isdst = (daylight > 0);
tm->tm_isdst = (CDayLight > 0);
};
if (tm->tm_isdst > 0)
sec -= 60*60;