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/* $OpenBSD: limits.h,v 1.10 2012/06/30 20:21:10 guenther Exp $ */
/*
* Copyright (c) 2002 Marc Espie.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD
* PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SYS_LIMITS_H_
#define _SYS_LIMITS_H_
#include <sys/cdefs.h>
/* Common definitions for limits.h. */
/* Legacy */
#include <machine/limits.h>
#define CHAR_BIT 8 /* number of bits in a char */
#define SCHAR_MAX 0x7f /* max value for a signed char */
#define SCHAR_MIN (-0x7f-1) /* min value for a signed char */
#define UCHAR_MAX 0xff /* max value for an unsigned char */
#ifdef __CHAR_UNSIGNED__
# define CHAR_MIN 0 /* min value for a char */
# define CHAR_MAX 0xff /* max value for a char */
#else
# define CHAR_MAX 0x7f
# define CHAR_MIN (-0x7f-1)
#endif
#define MB_LEN_MAX 4 /* Allow UTF-8 (RFC 3629) */
#define USHRT_MAX 0xffff /* max value for an unsigned short */
#define SHRT_MAX 0x7fff /* max value for a short */
#define SHRT_MIN (-0x7fff-1) /* min value for a short */
#define UINT_MAX 0xffffffffU /* max value for an unsigned int */
#define INT_MAX 0x7fffffff /* max value for an int */
#define INT_MIN (-0x7fffffff-1) /* min value for an int */
#ifdef __LP64__
# define ULONG_MAX 0xffffffffffffffffUL
/* max value for unsigned long */
# define LONG_MAX 0x7fffffffffffffffL
/* max value for a signed long */
# define LONG_MIN (-0x7fffffffffffffffL-1)
/* min value for a signed long */
#else
# define ULONG_MAX 0xffffffffUL /* max value for an unsigned long */
# define LONG_MAX 0x7fffffffL /* max value for a long */
# define LONG_MIN (-0x7fffffffL-1)/* min value for a long */
#endif
#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999
# define ULLONG_MAX 0xffffffffffffffffULL
/* max value for unsigned long long */
# define LLONG_MAX 0x7fffffffffffffffLL
/* max value for a signed long long */
# define LLONG_MIN (-0x7fffffffffffffffLL-1)
/* min value for a signed long long */
#endif
#if __BSD_VISIBLE
# define UID_MAX UINT_MAX /* max value for a uid_t */
# define GID_MAX UINT_MAX /* max value for a gid_t */
#endif
#if __XPG_VISIBLE || __POSIX_VISIBLE >= 200809
# ifdef __LP64__
# define LONG_BIT 64
# else
# define LONG_BIT 32
# endif
# define WORD_BIT 32
#endif
#if __XPG_VISIBLE < 600
# include <machine/_float.h>
/* XSI defines marked LEGACY in XPG5 and removed in IEEE Std 1003.1-2001 */
# ifndef FLT_DIG
# define FLT_DIG __FLT_DIG
# endif
# ifndef FLT_MAX
# define FLT_MAX __FLT_MAX
# endif
# ifndef DBL_DIG
# define DBL_DIG __DBL_DIG
# endif
# ifndef DBL_MAX
# define DBL_MAX __DBL_MAX
# endif
/* XSI defines marked LEGACY in XPG4v2 and removed in XPG5 */
# if __XPG_VISIBLE < 500
# ifndef FLT_MIN
# define FLT_MIN __FLT_MIN
# endif
# ifndef DBL_MIN
# define DBL_MIN __DBL_MIN
# endif
# endif
#endif /* __XPG_VISIBLE < 600 */
#endif
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