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phunix/lib/libc/time/private.h
Lionel Sambuc f14fb60209 Libraries updates and cleanup 
* Updating common/lib
 * Updating lib/csu
 * Updating lib/libc
 * Updating libexec/ld.elf_so
 * Corrected test on __minix in featuretest to actually follow the
   meaning of the comment.
 * Cleaned up _REENTRANT-related defintions.
 * Disabled -D_REENTRANT for libfetch
 * Removing some unneeded __NBSD_LIBC defines and tests

Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
2013-01-14 11:36:26 +01:00

301 lines
7.2 KiB
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/* $NetBSD: private.h,v 1.26 2012/08/09 12:38:25 christos 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.
*/
/*
** 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!
*/
#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_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 et al. */
#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, R_OK, and other POSIX goodness */
#endif /* 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 */
/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
#define is_digit(c) ((unsigned)(c) - '0' <= 9)
/*
** Define HAVE_STDINT_H's default value here, rather than at the
** start, since __GLIBC__'s value depends on previously-included
** files.
** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.)
*/
#ifndef HAVE_STDINT_H
#define HAVE_STDINT_H \
(199901 <= __STDC_VERSION__ || \
2 < (__GLIBC__ + (0 < __GLIBC_MINOR__)))
#endif /* !defined HAVE_STDINT_H */
#if HAVE_STDINT_H
#include "stdint.h"
#endif /* !HAVE_STDINT_H */
#ifndef INT_FAST64_MAX
/* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX. */
#if defined LLONG_MAX || defined __LONG_LONG_MAX__
typedef long long int_fast64_t;
#else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
#if (LONG_MAX >> 31) < 0xffffffff
Please use a compiler that supports a 64-bit integer type (or wider);
you may need to compile with "-DHAVE_STDINT_H".
#endif /* (LONG_MAX >> 31) < 0xffffffff */
typedef long int_fast64_t;
#endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
#endif /* !defined INT_FAST64_MAX */
#ifndef INT32_MAX
#define INT32_MAX 0x7fffffff
#endif /* !defined INT32_MAX */
#ifndef INT32_MIN
#define INT32_MIN (-1 - INT32_MAX)
#endif /* !defined INT32_MIN */
/*
** Workarounds for compilers/systems.
*/
/*
** 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(struct tm const *, char *);
#endif
/*
** Private function declarations.
*/
char * icalloc(int nelem, int elsize);
char * icatalloc(char * old, const char * new);
char * icpyalloc(const char * string);
char * imalloc(int n);
void * irealloc(void * pointer, int size);
void icfree(char * pointer);
void ifree(char * pointer);
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 */
/*
** 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(struct tm const *, char *);
char *ctime_r(time_t const *, char *);
#endif /* HAVE_INCOMPATIBLE_CTIME_R */
#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 ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) 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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