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Commit6a2b75c

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Add Olson's public domain timezone library to src/timezone.
1 parentd51d870 commit6a2b75c

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‎src/timezone/Makefile

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#-------------------------------------------------------------------------
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#
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# Makefile--
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# Makefile for the timezone library
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# IDENTIFICATION
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# $PostgreSQL: pgsql/src/timezone/Makefile,v 1.1 2004/04/30 04:09:23 momjian Exp $
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#
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#-------------------------------------------------------------------------
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subdir = src/port/tz
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top_builddir = ../../..
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include$(top_builddir)/src/Makefile.global
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OBJS= asctime.o difftime.o localtime.o pgtz.o
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ZICOBJS= zic.o ialloc.o scheck.o localtime.o asctime.o pgtz.o ../path.o
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TZDATA := africa antarctica asia australasia europe northamerica southamerica pacificnew etcetera factory backward systemv solar87 solar88 solar89
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TZDATAFILES :=$(TZDATA:%=data/%)
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all: SUBSYS.o zic
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SUBSYS.o:$(OBJS)
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$(LD)$(LDREL)$(LDOUT) SUBSYS.o$(OBJS)
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zic:$(ZICOBJS)
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install: zic
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zic -d$(datadir)/timezone$(TZDATAFILES)
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cleandistcleanmaintainer-clean:
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rm -f SUBSYS.o$(OBJS)$(ZICOBJS)

‎src/timezone/README

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This is a PostgreSQL adapted version of the timezone library
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from:
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ftp://elsie.nci.nih.gov/pub/tz*.tar.gz
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The interface is used when USE_PGTZ is defined at the top level. This
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will cause the following functions to be redefined:
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localtimepg_localtime
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gmtimepg_gmtime
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asctimepg_asctime
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ctimepg_ctime
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difftimepg_difftime
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mktimepg_mktime
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tzsetpg_tzset
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and the TIMEZONE_GLOBAL define in c.h is redefined to pg_timezone.
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‎src/timezone/asctime.c

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/*
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** This file is in the public domain, so clarified as of
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** 1996-06-05 by Arthur David Olson (arthur_david_olson@nih.gov).
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*/
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#ifndeflint
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#ifndefNOID
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staticcharelsieid[]="@(#)asctime.c7.9";
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#endif/* !defined NOID */
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#endif/* !defined lint */
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/*LINTLIBRARY*/
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#include"private.h"
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#include"tzfile.h"
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/*
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** A la ISO/IEC 9945-1, ANSI/IEEE Std 1003.1, Second Edition, 1996-07-12.
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*/
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char*
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asctime_r(timeptr,buf)
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registerconststructtm*timeptr;
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char*buf;
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{
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staticconstcharwday_name[][3]= {
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"Sun","Mon","Tue","Wed","Thu","Fri","Sat"
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};
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staticconstcharmon_name[][3]= {
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"Jan","Feb","Mar","Apr","May","Jun",
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"Jul","Aug","Sep","Oct","Nov","Dec"
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};
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registerconstchar*wn;
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registerconstchar*mn;
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if (timeptr->tm_wday<0||timeptr->tm_wday >=DAYSPERWEEK)
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wn="???";
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elsewn=wday_name[timeptr->tm_wday];
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if (timeptr->tm_mon<0||timeptr->tm_mon >=MONSPERYEAR)
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mn="???";
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elsemn=mon_name[timeptr->tm_mon];
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/*
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** The X3J11-suggested format is
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**"%.3s %.3s%3d %02.2d:%02.2d:%02.2d %d\n"
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** Since the .2 in 02.2d is ignored, we drop it.
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*/
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(void)sprintf(buf,"%.3s %.3s%3d %02d:%02d:%02d %d\n",
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wn,mn,
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timeptr->tm_mday,timeptr->tm_hour,
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timeptr->tm_min,timeptr->tm_sec,
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TM_YEAR_BASE+timeptr->tm_year);
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returnbuf;
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}
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/*
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** A la X3J11, with core dump avoidance.
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*/
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char*
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asctime(timeptr)
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registerconststructtm*timeptr;
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{
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/*
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** Big enough for something such as
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** ??? ???-2147483648 -2147483648:-2147483648:-2147483648 -2147483648\n
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** (two three-character abbreviations, five strings denoting integers,
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** three explicit spaces, two explicit colons, a newline,
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** and a trailing ASCII nul).
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*/
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staticcharresult[3*2+5*INT_STRLEN_MAXIMUM(int)+
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3+2+1+1];
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returnasctime_r(timeptr,result);
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}

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