mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-09-30 16:01:15 +02:00
Resync the source tree, commit some things that were missing (pqcomprim.c) and
bring in Thomas's updates for the date/time code...
This commit is contained in:
parent
7d02575ad1
commit
b5e16b1869
82
src/backend/libpq/pqcomprim.c
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82
src/backend/libpq/pqcomprim.c
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@ -0,0 +1,82 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include "postgres.h"
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#include "libpq/pqcomm.h"
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/* --------------------------------------------------------------------- */
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/* Is the other way around than system ntoh/hton, so we roll our own
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here */
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#if BYTE_ORDER == LITTLE_ENDIAN
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#define ntoh_s(n) n
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#define ntoh_l(n) n
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#define hton_s(n) n
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#define hton_l(n) n
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#endif
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#if BYTE_ORDER == BIG_ENDIAN
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#define ntoh_s(n) (u_short)(((u_char *) &n)[0] << 8 | ((u_char *) &n)[1]);
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#define ntoh_l(n) (u_long)(((u_char *)&n)[0] << 24 | ((u_char *)&n)[1] << 16 |\
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((u_char *)&n)[2] << 8 | ((u_char *)&n)[3]);
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#define hton_s(n) (ntoh_s(n))
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#define hton_l(n) (ntoh_l(n))
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#endif
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#if BYTE_ORDER == PDP_ENDIAN
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#endif
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#ifndef ntoh_s
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#error Please write byte order macros
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#endif
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/* --------------------------------------------------------------------- */
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int pqPutShort(const int integer, FILE *f)
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{
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int retval = 0;
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u_short n;
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n = hton_s(integer);
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if(fwrite(&n, sizeof(u_short), 1, f) != 1)
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retval = 1;
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return retval;
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}
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/* --------------------------------------------------------------------- */
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int pqPutLong(const int integer, FILE *f)
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{
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int retval = 0;
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u_long n;
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n = hton_l(integer);
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if(fwrite(&n, sizeof(u_long), 1, f) != 1)
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retval = 1;
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return retval;
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}
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/* --------------------------------------------------------------------- */
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int pqGetShort(int *result, FILE *f)
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{
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int retval = 0;
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u_short n;
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if(fread(&n, sizeof(u_short), 1, f) != 1)
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retval = 1;
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*result = ntoh_s(n);
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return retval;
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}
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/* --------------------------------------------------------------------- */
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int pqGetLong(int *result, FILE *f)
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{
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int retval = 0;
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u_long n;
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if(fread(&n, sizeof(u_long), 1, f) != 1)
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retval = 1;
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*result = ntoh_l(n);
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return retval;
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}
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/* --------------------------------------------------------------------- */
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@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/dt.c,v 1.6 1997/03/16 19:03:20 scrappy Exp $
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/dt.c,v 1.7 1997/03/18 16:35:17 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -17,28 +17,16 @@
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#include <string.h>
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#include <sys/types.h>
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#include <errno.h>
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#ifdef HAVE_VALUES_H
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# include <values.h>
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#else
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# include <float.h>
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# ifndef MINDOUBLE
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# define MINDOUBLE DBL_MIN
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# endif
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#endif
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#include "postgres.h"
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#include <miscadmin.h>
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#ifndef USE_POSIX_TIME
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#include <sys/timeb.h>
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#endif
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#include "utils/builtins.h"
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extern int EuroDates;
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#define MAXDATEFIELDS 25
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#define USE_DATE_CACHE 1
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extern char *tzname[2];
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extern long int timezone;
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extern int daylight;
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#define JTIME_INVALID (NAN)
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#define DATETIME_INVALID(j) {*j = JTIME_INVALID;}
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#define DATETIME_IS_INVALID(j) (isnan(*j))
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@ -114,7 +102,7 @@ printf( "datetime_in- time is %f %02d:%02d:%02d %f\n", time, tm->tm_hour, tm->tm
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if (tzp != 0) {
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*result = dt2local(*result, -tzp);
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} else {
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*result = dt2local(*result, -timezone);
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*result = dt2local(*result, -CTimeZone);
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};
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#ifdef DATEDEBUG
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printf( "datetime_in- date is %f\n", *result);
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@ -168,7 +156,7 @@ datetime_out(DateTime *dt)
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} else {
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time = (modf( dt2local( *dt, timezone)/86400, &date)*86400);
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time = (modf( dt2local( *dt, CTimeZone)/86400, &date)*86400);
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date += date2j(2000,1,1);
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if (time < 0) {
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time += 86400;
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@ -197,8 +185,8 @@ printf( "datetime_out- time is %02d:%02d:%02d %.7f\n", tm->tm_hour, tm->tm_min,
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tm->tm_isdst = -1;
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#ifdef DATEDEBUG
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printf( "datetime_out- timezone is %s/%s; offset is %ld; daylight is %d\n",
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tzname[0], tzname[1], timezone, daylight);
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printf( "datetime_out- timezone is %s; offset is %ld; daylight is %d\n",
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CTZName, CTimeZone, CDayLight);
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#endif
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EncodePostgresDate(tm, fsec, buf);
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@ -705,12 +693,6 @@ void dt2time(DateTime jd, int *hour, int *min, double *sec)
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* Returns the number of seconds since epoch (J2000)
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*/
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#ifndef USE_POSIX_TIME
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long int timezone;
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long int daylight;
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#endif
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/* ParseDateTime()
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* Break string into tokens based on a date/time context.
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*/
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@ -845,7 +827,7 @@ DecodeDateTime( char *field[], int ftype[], int nf,
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tm->tm_min = 0;
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tm->tm_sec = 0;
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tm->tm_isdst = -1; /* don't know daylight savings time status apriori */
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if (tzp != NULL) *tzp = timezone;
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if (tzp != NULL) *tzp = CTimeZone;
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for (i = 0; i < nf; i++) {
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#ifdef DATEDEBUG
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@ -1828,8 +1810,8 @@ int EncodePostgresDate(struct tm *tm, double fsec, char *str)
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tm->tm_isdst = -1;
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#ifdef DATEDEBUG
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printf( "EncodePostgresDate- timezone is %s/%s; offset is %ld; daylight is %d\n",
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tzname[0], tzname[1], timezone, daylight);
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printf( "EncodePostgresDate- timezone is %s; offset is %ld; daylight is %d\n",
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CTZName, CTimeZone, CDayLight);
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#endif
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day = date2j( tm->tm_year, tm->tm_mon, tm->tm_mday);
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@ -1848,15 +1830,15 @@ printf( "EncodePostgresDate- day is %d\n", day);
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if (EuroDates) {
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sprintf( str, "%3s %02d/%02d/%04d %02d:%02d:%02d %s", dabbrev,
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tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_hour, tm->tm_min, (int) rint(sec), tzname[0]);
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tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_hour, tm->tm_min, (int) rint(sec), CTZName);
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} else if (tm->tm_year > 0) {
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#if FALSE
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sprintf( str, "%3s %3s %02d %02d:%02d:%02d %04d %s", dabbrev,
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mabbrev, tm->tm_mday, tm->tm_hour, tm->tm_min, (int) rint(sec), tm->tm_year, tzname[0]);
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mabbrev, tm->tm_mday, tm->tm_hour, tm->tm_min, (int) rint(sec), tm->tm_year, CTZName);
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#endif
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sprintf( str, "%3s %3s %02d %02d:%02d:%5.2f %04d %s", dabbrev,
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mabbrev, tm->tm_mday, tm->tm_hour, tm->tm_min, sec, tm->tm_year, tzname[0]);
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mabbrev, tm->tm_mday, tm->tm_hour, tm->tm_min, sec, tm->tm_year, CTZName);
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/* XXX brute-force fill in leading zero on seconds */
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if (*(str+17) == ' ') *(str+17) = '0';
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/nabstime.c,v 1.14 1997/03/14 23:20:31 scrappy Exp $
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/nabstime.c,v 1.15 1997/03/18 16:35:20 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -17,35 +17,24 @@
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#include <sys/types.h>
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#include "postgres.h"
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#include <miscadmin.h>
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#ifndef USE_POSIX_TIME
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#include <sys/timeb.h>
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#endif
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#include "access/xact.h"
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#if USE_EURODATES
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extern int EuroDates;
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#endif
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#if FALSE
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#define MAXDATELEN 47
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#define MAXDATEFIELDS 25
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#endif
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#define MIN_DAYNUM -24856 /* December 13, 1901 */
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#define MAX_DAYNUM 24854 /* January 18, 2038 */
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/*
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* parse and convert absolute date in timestr (the normal interface)
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/* GetCurrentAbsoluteTime()
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* Get the current system time. Set timezone parameters if not specified elsewhere.
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* Define HasTZSet to allow clients to specify the default timezone.
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*
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* Returns the number of seconds since epoch (January 1 1970 GMT)
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*/
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#ifndef USE_POSIX_TIME
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long int timezone;
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long int daylight;
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#endif
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AbsoluteTime
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GetCurrentAbsoluteTime(void)
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{
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@ -53,24 +42,40 @@ GetCurrentAbsoluteTime(void)
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#ifdef USE_POSIX_TIME
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now = time(NULL);
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#if defined(HAVE_TZSET) && defined(HAVE_INT_TIMEZONE)
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tzset();
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#else /* !HAVE_TZSET */
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struct tm *tmnow = localtime(&now);
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timezone = - tmnow->tm_gmtoff; /* tm_gmtoff is Sun/DEC-ism */
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daylight = (tmnow->tm_isdst > 0);
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#endif
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#else /* ! USE_POSIX_TIME */
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struct timeb tbnow; /* the old V7-ism */
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(void) ftime(&tbnow);
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now = tbnow.time;
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timezone = tbnow.timezone * 60;
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daylight = (tbnow.dstflag != 0);
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#endif
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if (! HasCTZSet) {
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#ifdef USE_POSIX_TIME
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#if defined(HAVE_TZSET) && defined(HAVE_INT_TIMEZONE)
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tzset();
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CTimeZone = timezone;
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CDayLight = daylight;
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strcpy( CTZName, tzname[0]);
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#else /* !HAVE_TZSET */
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struct tm *tmnow = localtime(&now);
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CTimeZone = - tmnow->tm_gmtoff; /* tm_gmtoff is Sun/DEC-ism */
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CDayLight = (tmnow->tm_isdst > 0);
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/* XXX is there a better way to get local timezone string in V7? - tgl 97/03/18 */
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strftime( CTZName, "%Z", localtime(&now));
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#endif
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#else /* ! USE_POSIX_TIME */
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CTimeZone = tbnow.timezone * 60;
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CDayLight = (tbnow.dstflag != 0);
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/* XXX does this work to get the local timezone string in V7? - tgl 97/03/18 */
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strftime( CTZName, "%Z", localtime(&now));
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#endif
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};
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#ifdef DATEDEBUG
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printf( "GetCurrentAbsoluteTime- timezone is %s -> %d seconds from UTC\n",
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CTZName, CTimeZone);
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#endif
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return((AbsoluteTime) now);
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} /* GetCurrentAbsoluteTime() */
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@ -157,7 +162,7 @@ printf( "nabstimein- %d fields are type %d (DTK_DATE=%d)\n", nf, dtype, DTK_DATE
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/* daylight correction */
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if (tm->tm_isdst < 0) { /* unknown; find out */
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tm->tm_isdst = (daylight > 0);
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tm->tm_isdst = (CDayLight > 0);
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};
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if (tm->tm_isdst > 0)
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sec -= 60*60;
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@ -298,7 +303,7 @@ qmktime(struct tm *tm)
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/* daylight correction */
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if (tm->tm_isdst < 0) { /* unknown; find out */
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tm->tm_isdst = (daylight > 0);
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tm->tm_isdst = (CDayLight > 0);
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};
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if (tm->tm_isdst > 0)
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sec -= 60*60;
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@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.5 1997/01/26 15:31:29 scrappy Exp $
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* $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.6 1997/03/18 16:35:46 scrappy Exp $
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*
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* NOTES
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* Globals used all over the place should be declared here and not
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@ -65,7 +65,11 @@ bool IsPostmaster = false;
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short DebugLvl = 0;
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int EuroDates = 0;
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bool EuroDates = false;
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bool HasCTZSet = false;
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bool CDayLight = false;
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int CTimeZone = 0;
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char CTZName[8] = "";
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char *IndexedCatalogNames[] = {
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AttributeRelationName,
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@ -11,7 +11,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: miscadmin.h,v 1.5 1997/01/26 15:32:06 scrappy Exp $
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* $Id: miscadmin.h,v 1.6 1997/03/18 16:36:23 scrappy Exp $
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*
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* NOTES
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* some of the information in this file will be moved to
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@ -57,7 +57,18 @@ extern bool IsPostmaster;
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extern short DebugLvl;
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extern int EuroDates;
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/* Date/Time Configuration
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* HasCTZSet if client timezone is specified by client.
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* EuroDates if client prefers dates interpreted and written w/European conventions.
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* CTimeZone is the timezone offset in seconds.
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* CTZName is the timezone label.
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*/
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extern bool EuroDates;
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extern bool HasCTZSet;
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extern bool CDayLight;
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extern int CTimeZone;
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extern char CTZName[];
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extern Oid LastOidProcessed; /* for query rewrite */
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@ -8,7 +8,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: dt.h,v 1.1 1997/03/14 23:33:23 scrappy Exp $
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* $Id: dt.h,v 1.2 1997/03/18 16:36:50 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -174,8 +174,6 @@ typedef struct {
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char value; /* this may be unsigned, alas */
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} datetkn;
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extern int EuroDates;
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extern void GetCurrentTime(struct tm *tm);
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/*
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