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115 lines
2.6 KiB
C
115 lines
2.6 KiB
C
#ifndef PRIVATE_H
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#define PRIVATE_H
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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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* 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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*/
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/*
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* This header is for use ONLY with the time conversion code.
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* There is no guarantee that it will remain unchanged,
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* or that it will remain at all.
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* Do NOT copy it to any system include directory.
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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 <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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#ifndef WIFEXITED
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#define WIFEXITED(status) (((status) & 0xff) == 0)
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#endif /* !defined WIFEXITED */
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#ifndef WEXITSTATUS
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#define WEXITSTATUS(status) (((status) >> 8) & 0xff)
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#endif /* !defined WEXITSTATUS */
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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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#ifndef remove
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extern int unlink(const char *filename);
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#define remove unlink
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#endif /* !defined remove */
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/*
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* Private function declarations.
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*/
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extern char *icalloc(int nelem, int elsize);
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extern char *icatalloc(char *old, const char *new);
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extern char *icpyalloc(const char *string);
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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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/*
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* Finally, some convenience items.
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*/
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#ifndef TRUE
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#define TRUE 1
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#endif /* !defined TRUE */
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#ifndef FALSE
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#define FALSE 0
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#endif /* !defined FALSE */
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#ifndef TYPE_BIT
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#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
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#endif /* !defined TYPE_BIT */
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#ifndef TYPE_SIGNED
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#define TYPE_SIGNED(type) (((type) -1) < 0)
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#endif /* !defined TYPE_SIGNED */
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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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* Subtract one for the sign bit if the type is signed;
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* add one for integer division truncation;
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* add one more for a minus sign if the type is signed.
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*/
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#define INT_STRLEN_MAXIMUM(type) \
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((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
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#endif /* !defined INT_STRLEN_MAXIMUM */
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#undef _
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#define _(msgid) (msgid)
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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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#endif /* !defined PRIVATE_H */
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