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Update timezone code to track the upstream changes since 2003. In particular
this adds support for 64-bit tzdata files, which is needed to support DST calculations beyond 2038. Add a regression test case to give some minimal confidence that that really works. Heikki Linnakangas
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@ -3,10 +3,10 @@
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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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* 1996-06-05 by Arthur David Olson.
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/timezone/private.h,v 1.11 2005/02/23 04:34:21 momjian Exp $
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* $PostgreSQL: pgsql/src/timezone/private.h,v 1.12 2008/02/16 21:16:04 tgl Exp $
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*/
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/*
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@ -17,12 +17,13 @@
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* Thank you!
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*/
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#include <limits.h> /* for CHAR_BIT */
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#include <limits.h> /* for CHAR_BIT et al. */
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#include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */
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#include <unistd.h> /* for F_OK and R_OK */
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#include "pgtime.h"
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#define GRANDPARENTED "Local time zone must be set--see zic manual page"
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#ifndef WIFEXITED
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#define WIFEXITED(status) (((status) & 0xff) == 0)
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@ -34,22 +35,6 @@
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/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
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#define is_digit(c) ((unsigned)(c) - '0' <= 9)
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/*
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* SunOS 4.1.1 headers lack EXIT_SUCCESS.
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*/
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#ifndef EXIT_SUCCESS
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#define EXIT_SUCCESS 0
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#endif /* !defined EXIT_SUCCESS */
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/*
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* SunOS 4.1.1 headers lack EXIT_FAILURE.
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*/
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#ifndef EXIT_FAILURE
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#define EXIT_FAILURE 1
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#endif /* !defined EXIT_FAILURE */
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/*
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* SunOS 4.1.1 libraries lack remove.
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*/
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@ -70,7 +55,7 @@ extern char *imalloc(int n);
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extern void *irealloc(void *pointer, int size);
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extern void icfree(char *pointer);
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extern void ifree(char *pointer);
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extern char *scheck(const char *string, const char *format);
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extern const char *scheck(const char *string, const char *format);
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/*
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@ -93,6 +78,15 @@ extern char *scheck(const char *string, const char *format);
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#define TYPE_SIGNED(type) (((type) -1) < 0)
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#endif /* !defined TYPE_SIGNED */
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/*
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* Since the definition of TYPE_INTEGRAL contains floating point numbers,
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* it cannot be used in preprocessor directives.
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*/
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#ifndef TYPE_INTEGRAL
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#define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5)
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#endif /* !defined TYPE_INTEGRAL */
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#ifndef INT_STRLEN_MAXIMUM
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/*
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* 302 / 1000 is log10(2.0) rounded up.
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@ -107,6 +101,26 @@ extern char *scheck(const char *string, const char *format);
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#undef _
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#define _(msgid) (msgid)
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#ifndef YEARSPERREPEAT
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#define YEARSPERREPEAT 400 /* years before a Gregorian repeat */
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#endif /* !defined YEARSPERREPEAT */
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/*
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** The Gregorian year averages 365.2425 days, which is 31556952 seconds.
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*/
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#ifndef AVGSECSPERYEAR
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#define AVGSECSPERYEAR 31556952L
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#endif /* !defined AVGSECSPERYEAR */
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#ifndef SECSPERREPEAT
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#define SECSPERREPEAT ((int64) YEARSPERREPEAT * (int64) AVGSECSPERYEAR)
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#endif /* !defined SECSPERREPEAT */
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#ifndef SECSPERREPEAT_BITS
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#define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */
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#endif /* !defined SECSPERREPEAT_BITS */
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/*
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* UNIX was a registered trademark of The Open Group in 2003.
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*/
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