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File: [cvs.NetBSD.org] / src / lib / libc / time / private.h (download)

Revision 1.24, Sat Dec 20 00:12:05 2003 UTC (16 years, 10 months ago) by kleink
Branch: MAIN
CVS Tags: yamt-pf42-baseX, yamt-pf42-base4, yamt-pf42-base3, yamt-pf42-base2, yamt-pf42-base, yamt-pf42, wrstuden-revivesa-base-3, wrstuden-revivesa-base-2, wrstuden-revivesa-base-1, wrstuden-revivesa-base, wrstuden-revivesa, wrstuden-fixsa-newbase, wrstuden-fixsa-base-1, wrstuden-fixsa-base, wrstuden-fixsa, netbsd-5-base, netbsd-5-2-RELEASE, netbsd-5-2-RC1, netbsd-5-2-3-RELEASE, netbsd-5-2-2-RELEASE, netbsd-5-2-1-RELEASE, netbsd-5-2, netbsd-5-1-RELEASE, netbsd-5-1-RC4, netbsd-5-1-RC3, netbsd-5-1-RC2, netbsd-5-1-RC1, netbsd-5-1-5-RELEASE, netbsd-5-1-4-RELEASE, netbsd-5-1-3-RELEASE, netbsd-5-1-2-RELEASE, netbsd-5-1-1-RELEASE, netbsd-5-1, netbsd-5-0-RELEASE, netbsd-5-0-RC4, netbsd-5-0-RC3, netbsd-5-0-RC2, netbsd-5-0-RC1, netbsd-5-0-2-RELEASE, netbsd-5-0-1-RELEASE, netbsd-5-0, netbsd-5, netbsd-4-base, netbsd-4-0-RELEASE, netbsd-4-0-RC5, netbsd-4-0-RC4, netbsd-4-0-RC3, netbsd-4-0-RC2, netbsd-4-0-RC1, netbsd-4-0-1-RELEASE, netbsd-4-0, netbsd-4, netbsd-3-base, netbsd-3-1-RELEASE, netbsd-3-1-RC4, netbsd-3-1-RC3, netbsd-3-1-RC2, netbsd-3-1-RC1, netbsd-3-1-1-RELEASE, netbsd-3-1, netbsd-3-0-RELEASE, netbsd-3-0-RC6, netbsd-3-0-RC5, netbsd-3-0-RC4, netbsd-3-0-RC3, netbsd-3-0-RC2, netbsd-3-0-RC1, netbsd-3-0-3-RELEASE, netbsd-3-0-2-RELEASE, netbsd-3-0-1-RELEASE, netbsd-3-0, netbsd-3, netbsd-2-base, netbsd-2-1-RELEASE, netbsd-2-1-RC6, netbsd-2-1-RC5, netbsd-2-1-RC4, netbsd-2-1-RC3, netbsd-2-1-RC2, netbsd-2-1-RC1, netbsd-2-1, netbsd-2-0-base, netbsd-2-0-RELEASE, netbsd-2-0-RC5, netbsd-2-0-RC4, netbsd-2-0-RC3, netbsd-2-0-RC2, netbsd-2-0-RC1, netbsd-2-0-3-RELEASE, netbsd-2-0-2-RELEASE, netbsd-2-0-1-RELEASE, netbsd-2-0, netbsd-2, mjf-devfs2-base, mjf-devfs2, matt-premerge-20091211, matt-nb5-pq3-base, matt-nb5-pq3, matt-nb5-mips64-u2-k2-k4-k7-k8-k9, matt-nb5-mips64-u1-k1-k5, matt-nb5-mips64-premerge-20101231, matt-nb5-mips64-premerge-20091211, matt-nb5-mips64-k15, matt-nb5-mips64, matt-nb4-mips64-k7-u2a-k9b, matt-mips64-base2, matt-mips64-base, matt-mips64, matt-armv6-prevmlocking, matt-armv6-nbase, matt-armv6-base, matt-armv6, keiichi-mipv6-base, keiichi-mipv6, jym-xensuspend-nbase, jym-xensuspend-base, jym-xensuspend, hpcarm-cleanup-nbase, hpcarm-cleanup-base, hpcarm-cleanup, cube-autoconf-base, cube-autoconf, christos-time_t-nbase, christos-time_t-base, christos-time_t, abandoned-netbsd-4-base, abandoned-netbsd-4
Changes since 1.23: +3 -3 lines

Merge tzcode2003e.

/*	$NetBSD: private.h,v 1.24 2003/12/20 00:12:05 kleink Exp $	*/

#ifndef PRIVATE_H
#define PRIVATE_H

/* NetBSD defaults */
#define TM_GMTOFF	tm_gmtoff
#define TM_ZONE		tm_zone
#define STD_INSPIRED	1
#define HAVE_LONG_DOUBLE 1

/* For when we build zic as a host tool. */
#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif

/*
** This file is in the public domain, so clarified as of
** 1996-06-05 by Arthur David Olson (arthur_david_olson@nih.gov).
*/

/*
** 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
*/

#ifndef lint
#ifndef NOID
#if 0
static char	privatehid[] = "@(#)private.h	7.53";
#endif
#endif /* !defined NOID */
#endif /* !defined lint */

/*
** 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 */

#ifdef LOCALE_HOME
#undef LOCALE_HOME		/* not to be handled by tzcode itself */
#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 - 0
#include "libintl.h"
#endif /* HAVE_GETTEXT - 0 */

#if HAVE_SYS_WAIT_H - 0
#include <sys/wait.h>	/* for WIFEXITED and WEXITSTATUS */
#endif /* HAVE_SYS_WAIT_H - 0 */

#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 - 0
#include "unistd.h"	/* for F_OK and R_OK */
#endif /* HAVE_UNISTD_H - 0 */

#if !(HAVE_UNISTD_H - 0)
#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 - 0) */

/* 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
#define P(x)	x
#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 __NetBSD__
#ifndef remove
extern int	unlink P((const char * filename));
#define remove	unlink
#endif /* !defined remove */
#endif

/*
** 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 */

/*
** 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));
char *	scheck P((const char *string, const char *format))
	__attribute__((__format_arg__(2)));


/*
** 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 */

#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 - 0
#define _(msgid) gettext(msgid)
#else /* !(HAVE_GETTEXT - 0) */
#define _(msgid) msgid
#endif /* !(HAVE_GETTEXT - 0) */
#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 */