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#ifndef PRIVATE_H
#define PRIVATE_H
/*
* This file is in the public domain, so clarified as of
* 1996-06-05 by Arthur David Olson.
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/timezone/private.h,v 1.13 2009/06/11 14:49:15 momjian Exp $
*/
/*
* This header is for use ONLY with the time conversion code.
* There is no guarantee that it will remain unchanged,
* or that it will remain at all.
* Do NOT copy it to any system include directory.
* Thank you!
*/
#include <limits.h> /* for CHAR_BIT et al. */
#include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */
#include <unistd.h> /* for F_OK and R_OK */
#include "pgtime.h"
#define GRANDPARENTED "Local time zone must be set--see zic manual page"
#ifndef WIFEXITED
#define WIFEXITED(status) (((status) & 0xff) == 0)
#endif /* !defined WIFEXITED */
#ifndef WEXITSTATUS
#define WEXITSTATUS(status) (((status) >> 8) & 0xff)
#endif /* !defined WEXITSTATUS */
/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
#define is_digit(c) ((unsigned)(c) - '0' <= 9)
/*
* SunOS 4.1.1 libraries lack remove.
*/
#ifndef remove
extern int unlink(const char *filename);
#define remove unlink
#endif /* !defined remove */
/*
* Private function declarations.
*/
extern char *icalloc(int nelem, int elsize);
extern char *icatalloc(char *old, const char *new);
extern char *icpyalloc(const char *string);
extern char *imalloc(int n);
extern void *irealloc(void *pointer, int size);
extern void icfree(char *pointer);
extern void ifree(char *pointer);
extern const char *scheck(const char *string, const char *format);
/*
* Finally, some convenience items.
*/
#ifndef TRUE
#define TRUE 1
#endif /* !defined TRUE */
#ifndef FALSE
#define FALSE 0
#endif /* !defined FALSE */
#ifndef TYPE_BIT
#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
#endif /* !defined TYPE_BIT */
#ifndef TYPE_SIGNED
#define TYPE_SIGNED(type) (((type) -1) < 0)
#endif /* !defined TYPE_SIGNED */
/*
* Since the definition of TYPE_INTEGRAL contains floating point numbers,
* it cannot be used in preprocessor directives.
*/
#ifndef TYPE_INTEGRAL
#define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5)
#endif /* !defined TYPE_INTEGRAL */
#ifndef INT_STRLEN_MAXIMUM
/*
* 302 / 1000 is log10(2.0) rounded up.
* Subtract one for the sign bit if the type is signed;
* add one for integer division truncation;
* add one more for a minus sign if the type is signed.
*/
#define INT_STRLEN_MAXIMUM(type) \
((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
#endif /* !defined INT_STRLEN_MAXIMUM */
#undef _
#define _(msgid) (msgid)
#ifndef YEARSPERREPEAT
#define YEARSPERREPEAT 400 /* years before a Gregorian repeat */
#endif /* !defined YEARSPERREPEAT */
/*
** The Gregorian year averages 365.2425 days, which is 31556952 seconds.
*/
#ifndef AVGSECSPERYEAR
#define AVGSECSPERYEAR 31556952L
#endif /* !defined AVGSECSPERYEAR */
#ifndef SECSPERREPEAT
#define SECSPERREPEAT ((int64) YEARSPERREPEAT * (int64) AVGSECSPERYEAR)
#endif /* !defined SECSPERREPEAT */
#ifndef SECSPERREPEAT_BITS
#define SECSPERREPEAT_BITS 34 /* ceil(log2(SECSPERREPEAT)) */
#endif /* !defined SECSPERREPEAT_BITS */
/*
* UNIX was a registered trademark of The Open Group in 2003.
*/
#endif /* !defined PRIVATE_H */
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