[apple/xnu.git] / bsd / i386 / limits.h

/*
 * Copyright (c) 1988, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 *
 *	@(#)limits.h	8.3 (Berkeley) 1/4/94
 */

#ifndef _I386_LIMITS_H_
#define _I386_LIMITS_H_

#include <sys/cdefs.h>
#include <i386/_limits.h>

#define	CHAR_BIT	8		/* number of bits in a char */
#define	MB_LEN_MAX	6		/* Allow 31 bit UTF2 */

#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
#define	CLK_TCK		__DARWIN_CLK_TCK	/* ticks per second */
#endif /* !_ANSI_SOURCE && (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

/*
 * According to ANSI (section 2.2.4.2), the values below must be usable by
 * #if preprocessing directives.  Additionally, the expression must have the
 * same type as would an expression that is an object of the corresponding
 * type converted according to the integral promotions.  The subtraction for
 * INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an
 * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
 * These numbers work for pcc as well.  The UINT_MAX and ULONG_MAX values
 * are written as hex so that GCC will be quiet about large integer constants.
 */
#define	SCHAR_MAX	127		/* min value for a signed char */
#define	SCHAR_MIN	(-128)		/* max value for a signed char */

#define	UCHAR_MAX	255		/* max value for an unsigned char */
#define	CHAR_MAX	127		/* max value for a char */
#define	CHAR_MIN	(-128)		/* min value for a char */

#define	USHRT_MAX	65535		/* max value for an unsigned short */
#define	SHRT_MAX	32767		/* max value for a short */
#define	SHRT_MIN	(-32768)	/* min value for a short */

#define	UINT_MAX	0xffffffff	/* max value for an unsigned int */
#define	INT_MAX		2147483647	/* max value for an int */
#define	INT_MIN		(-2147483647-1)	/* min value for an int */

#ifdef __LP64__
#define	ULONG_MAX	0xffffffffffffffffUL	/* max unsigned long */
#define	LONG_MAX	0x7fffffffffffffffL	/* max signed long */
#define	LONG_MIN	(-0x7fffffffffffffffL-1) /* min signed long */
#else /* !__LP64__ */
#define	ULONG_MAX	0xffffffffUL	/* max unsigned long */
#define	LONG_MAX	2147483647L	/* max signed long */
#define	LONG_MIN	(-2147483647L-1) /* min signed long */
#endif /* __LP64__ */

#define	ULLONG_MAX	0xffffffffffffffffULL	/* max unsigned long long */
#define	LLONG_MAX	0x7fffffffffffffffLL	/* max signed long long */
#define	LLONG_MIN	(-0x7fffffffffffffffLL-1) /* min signed long long */

#if !defined(_ANSI_SOURCE)
#ifdef __LP64__
#define LONG_BIT	64
#else /* !__LP64__ */
#define LONG_BIT	32
#endif /* __LP64__ */
#define	SSIZE_MAX	LONG_MAX	/* max value for a ssize_t */
#define WORD_BIT	32

#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || defined(_DARWIN_C_SOURCE)
#define	SIZE_T_MAX	ULONG_MAX	/* max value for a size_t */

#define	UQUAD_MAX	ULLONG_MAX
#define	QUAD_MAX	LLONG_MAX
#define	QUAD_MIN	LLONG_MIN

#endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE */
#endif /* !_ANSI_SOURCE */

#endif /* _I386_LIMITS_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 1988, 1993
	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
	33	* @(#)limits.h 8.3 (Berkeley) 1/4/94
	34	*/
1c79356b A	35
	36	#ifndef _I386_LIMITS_H_
	37	#define _I386_LIMITS_H_
	38
b0d623f7	39	#include <sys/cdefs.h>
91447636 A	40	#include <i386/_limits.h>
91447636 A	41
1c79356b A	42	#define CHAR_BIT 8 /* number of bits in a char */
	43	#define MB_LEN_MAX 6 /* Allow 31 bit UTF2 */
	44
b0d623f7	45	#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE))
91447636	46	#define CLK_TCK __DARWIN_CLK_TCK /* ticks per second */
b0d623f7	47	#endif /* !_ANSI_SOURCE && (!_POSIX_C_SOURCE \|\| _DARWIN_C_SOURCE) */
1c79356b A	48
	49	/*
	50	* According to ANSI (section 2.2.4.2), the values below must be usable by
	51	* #if preprocessing directives. Additionally, the expression must have the
	52	* same type as would an expression that is an object of the corresponding
	53	* type converted according to the integral promotions. The subtraction for
	54	* INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an
	55	* unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
	56	* These numbers work for pcc as well. The UINT_MAX and ULONG_MAX values
	57	* are written as hex so that GCC will be quiet about large integer constants.
	58	*/
	59	#define SCHAR_MAX 127 /* min value for a signed char */
	60	#define SCHAR_MIN (-128) /* max value for a signed char */
	61
	62	#define UCHAR_MAX 255 /* max value for an unsigned char */
	63	#define CHAR_MAX 127 /* max value for a char */
	64	#define CHAR_MIN (-128) /* min value for a char */
	65
	66	#define USHRT_MAX 65535 /* max value for an unsigned short */
	67	#define SHRT_MAX 32767 /* max value for a short */
	68	#define SHRT_MIN (-32768) /* min value for a short */
	69
	70	#define UINT_MAX 0xffffffff /* max value for an unsigned int */
	71	#define INT_MAX 2147483647 /* max value for an int */
	72	#define INT_MIN (-2147483647-1) /* min value for an int */
	73
b0d623f7 A	74	#ifdef __LP64__
	75	#define ULONG_MAX 0xffffffffffffffffUL /* max unsigned long */
	76	#define LONG_MAX 0x7fffffffffffffffL /* max signed long */
	77	#define LONG_MIN (-0x7fffffffffffffffL-1) /* min signed long */
	78	#else /* !__LP64__ */
	79	#define ULONG_MAX 0xffffffffUL /* max unsigned long */
	80	#define LONG_MAX 2147483647L /* max signed long */
	81	#define LONG_MIN (-2147483647L-1) /* min signed long */
	82	#endif /* __LP64__ */
	83
	84	#define ULLONG_MAX 0xffffffffffffffffULL /* max unsigned long long */
	85	#define LLONG_MAX 0x7fffffffffffffffLL /* max signed long long */
	86	#define LLONG_MIN (-0x7fffffffffffffffLL-1) /* min signed long long */
1c79356b A	87
1c79356b A	88	#if !defined(_ANSI_SOURCE)
b0d623f7 A	89	#ifdef __LP64__
	90	#define LONG_BIT 64
	91	#else /* !__LP64__ */
	92	#define LONG_BIT 32
	93	#endif /* __LP64__ */
	94	#define SSIZE_MAX LONG_MAX /* max value for a ssize_t */
	95	#define WORD_BIT 32
1c79356b	96
b0d623f7 A	97	#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) \|\| defined(_DARWIN_C_SOURCE)
b0d623f7 A	98	#define SIZE_T_MAX ULONG_MAX /* max value for a size_t */
1c79356b	99
b0d623f7 A	100	#define UQUAD_MAX ULLONG_MAX
	101	#define QUAD_MAX LLONG_MAX
	102	#define QUAD_MIN LLONG_MIN
1c79356b	103
b0d623f7	104	#endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) \|\| _DARWIN_C_SOURCE */
1c79356b A	105	#endif /* !_ANSI_SOURCE */
	106
	107	#endif /* _I386_LIMITS_H_ */