HGKeeper

/*************************************************************************

* Private Header file for timezone module

* copied from Olson timezone code, licence unchanged

* by Martijn van Oosterhout <kleptog@svana.org> (C) April 2006

*************************************************************************/

#ifndef PRIVATE_H

#define PRIVATE_H

** This file is in the public domain, so clarified as of

** 1996-06-05 by Arthur David Olson.

** 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!

** ID

#define GRANDPARENTED "Local time zone must be set--see zic manual page"

** Defaults for preprocessor symbols.

** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.

#ifndef HAVE_ADJTIME

#define HAVE_ADJTIME 1

#endif /* !defined HAVE_ADJTIME */

#ifndef HAVE_GETTEXT

#define HAVE_GETTEXT 0

#endif /* !defined HAVE_GETTEXT */

#ifndef HAVE_INCOMPATIBLE_CTIME_R

#define HAVE_INCOMPATIBLE_CTIME_R 0

#endif /* !defined INCOMPATIBLE_CTIME_R */

#ifndef HAVE_SETTIMEOFDAY

#define HAVE_SETTIMEOFDAY 3

#endif /* !defined HAVE_SETTIMEOFDAY */

#ifndef HAVE_STRERROR

#define HAVE_STRERROR 1

#endif /* !defined HAVE_STRERROR */

#ifndef HAVE_SYMLINK

#define HAVE_SYMLINK 1

#endif /* !defined HAVE_SYMLINK */

#ifndef HAVE_SYS_STAT_H

#define HAVE_SYS_STAT_H 1

#endif /* !defined HAVE_SYS_STAT_H */

#ifndef HAVE_SYS_WAIT_H

#define HAVE_SYS_WAIT_H 1

#endif /* !defined HAVE_SYS_WAIT_H */

#ifndef HAVE_UNISTD_H

#define HAVE_UNISTD_H 1

#endif /* !defined HAVE_UNISTD_H */

#ifndef HAVE_UTMPX_H

#define HAVE_UTMPX_H 0

#endif /* !defined HAVE_UTMPX_H */

#ifndef LOCALE_HOME

#define LOCALE_HOME "/usr/lib/locale"

#endif /* !defined LOCALE_HOME */

#if HAVE_INCOMPATIBLE_CTIME_R

#define asctime_r _incompatible_asctime_r

#define ctime_r _incompatible_ctime_r

#endif /* HAVE_INCOMPATIBLE_CTIME_R */

** Nested includes

#include "sys/types.h" /* for time_t */

#include "stdio.h"

#include "errno.h"

#include "string.h"

#include "limits.h" /* for CHAR_BIT */

#include "time.h"

#include "stdlib.h"

#if HAVE_GETTEXT

#include "libintl.h"

#endif /* HAVE_GETTEXT */

#if HAVE_SYS_WAIT_H

#include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */

#endif /* HAVE_SYS_WAIT_H */

#ifndef WIFEXITED

#define WIFEXITED(status) (((status) & 0xff) == 0)

#endif /* !defined WIFEXITED */

#ifndef WEXITSTATUS

#define WEXITSTATUS(status) (((status) >> 8) & 0xff)

#endif /* !defined WEXITSTATUS */

#if HAVE_UNISTD_H

#include "unistd.h" /* for F_OK and R_OK */

#endif /* HAVE_UNISTD_H */

#if !HAVE_UNISTD_H

#ifndef F_OK

#define F_OK 0

#endif /* !defined F_OK */

#ifndef R_OK

#define R_OK 4

#endif /* !defined R_OK */

#endif /* !HAVE_UNISTD_H */

/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */

#define is_digit(c) ((unsigned)(c) - '0' <= 9)

** Workarounds for compilers/systems.

** SunOS 4.1.1 cc lacks prototypes.

#ifndef P

#if __STDC__

#define P(x) x

#else /* !__STDC__ */

#define P(x) ()

#endif /* !__STDC__ */

#endif /* !defined P */

** SunOS 4.1.1 headers lack EXIT_SUCCESS.

#ifndef EXIT_SUCCESS

#define EXIT_SUCCESS 0

#endif /* !defined EXIT_SUCCESS */

** SunOS 4.1.1 headers lack EXIT_FAILURE.

#ifndef EXIT_FAILURE

#define EXIT_FAILURE 1

#endif /* !defined EXIT_FAILURE */

** SunOS 4.1.1 headers lack FILENAME_MAX.

#ifndef FILENAME_MAX

#ifndef MAXPATHLEN

#ifdef unix

#include "sys/param.h"

#endif /* defined unix */

#endif /* !defined MAXPATHLEN */

#ifdef MAXPATHLEN

#define FILENAME_MAX MAXPATHLEN

#endif /* defined MAXPATHLEN */

#ifndef MAXPATHLEN

#define FILENAME_MAX 1024 /* Pure guesswork */

#endif /* !defined MAXPATHLEN */

#endif /* !defined FILENAME_MAX */

** SunOS 4.1.1 libraries lack remove.

#ifndef remove

extern int unlink P((const char * filename));

#define remove unlink

#endif /* !defined remove */

** Some ancient errno.h implementations don't declare errno.

** But some newer errno.h implementations define it as a macro.

** Fix the former without affecting the latter.

#ifndef errno

extern int errno;

#endif /* !defined errno */

** Some time.h implementations don't declare asctime_r.

** Others might define it as a macro.

** Fix the former without affecting the latter.

#ifndef asctime_r

extern char * asctime_r();

#endif

** Private function declarations.

char * icalloc P((int nelem, int elsize));

char * icatalloc P((char * old, const char * new));

char * icpyalloc P((const char * string));

char * imalloc P((int n));

void * irealloc P((void * pointer, int size));

void icfree P((char * pointer));

void ifree P((char * pointer));

const char *scheck P((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 */

** INITIALIZE(x)

#ifndef GNUC_or_lint

#ifdef lint

#define GNUC_or_lint

#endif /* defined lint */

#ifndef lint

#ifdef __GNUC__

#define GNUC_or_lint

#endif /* defined __GNUC__ */

#endif /* !defined lint */

#endif /* !defined GNUC_or_lint */

#ifndef INITIALIZE

#ifdef GNUC_or_lint

#define INITIALIZE(x) ((x) = 0)

#endif /* defined GNUC_or_lint */

#ifndef GNUC_or_lint

#define INITIALIZE(x)

#endif /* !defined GNUC_or_lint */

#endif /* !defined INITIALIZE */

** For the benefit of GNU folk...

** `_(MSGID)' uses the current locale's message library string for MSGID.

** The default is to use gettext if available, and use MSGID otherwise.

#ifndef _

#if HAVE_GETTEXT

#define _(msgid) gettext(msgid)

#else /* !HAVE_GETTEXT */

#define _(msgid) msgid

#endif /* !HAVE_GETTEXT */

#endif /* !defined _ */

#ifndef TZ_DOMAIN

#define TZ_DOMAIN "tz"

#endif /* !defined TZ_DOMAIN */

#if HAVE_INCOMPATIBLE_CTIME_R

#undef asctime_r

#undef ctime_r

char *asctime_r P((struct tm const *, char *));

char *ctime_r P((time_t const *, char *));

#endif /* HAVE_INCOMPATIBLE_CTIME_R */

** UNIX was a registered trademark of The Open Group in 2003.

#endif /* !defined PRIVATE_H */

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