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41 results

private.h

Blame
    • private.h 4.61 KiB 
    /* $FreeBSD: src/lib/libc/stdtime/private.h,v 1.6.8.1 2000/08/23 00:19:15 jhb Exp $ */

#ifndef PRIVATE_H

#define PRIVATE_H
/*
** This file is in the public domain, so clarified as of
** June 5, 1996 by Arthur David Olson (arthur_david_olson@nih.gov).
*/

/* Stuff moved from Makefile.inc to reduce clutter */
#ifndef TM_GMTOFF
#define TM_GMTOFF	tm_gmtoff
#define TM_ZONE		tm_zone
#define STD_INSPIRED	1
#define PCTS		1
#define HAVE_LONG_DOUBLE 1
#define HAVE_STRERROR	1
#define	HAVE_UNISTD_H	1
#define	LOCALE_HOME	_PATH_LOCALE
#define TZDIR		"/usr/share/zoneinfo"
#endif /* ndef TM_GMTOFF */

/*
** 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
/*
static char	privatehid[] = "@(#)private.h	7.43";
*/
#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_SETTIMEOFDAY
#define HAVE_SETTIMEOFDAY	3
#endif /* !defined HAVE_SETTIMEOFDAY */

#ifndef HAVE_STRERROR
#define HAVE_STRERROR		0
#endif /* !defined HAVE_STRERROR */

#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 */

/*
** 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_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.
*/

#ifndef P
#ifdef __STDC__
#define P(x)	x
#endif /* defined __STDC__ */
#ifndef __STDC__
#define P(x)	()
#endif /* !defined __STDC__ */
#endif /* !defined P */

/*
** 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 */

/*
** 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 */

/*
** UNIX was a registered trademark of UNIX System Laboratories in 1993.
*/

#endif /* !defined PRIVATE_H */