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

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code 
 * as defined in and that are subject to the Apple Public Source License 
 * Version 2.0 (the 'License'). You may not use this file except in 
 * compliance with the License.  The rights granted to you under the 
 * License may not be used to create, or enable the creation or 
 * redistribution of, unlawful or unlicensed copies of an Apple operating 
 * system, or to circumvent, violate, or enable the circumvention or 
 * violation of, any terms of an Apple operating system software license 
 * agreement.
 *
 * Please obtain a copy of the License at 
 * http://www.opensource.apple.com/apsl/ and read it before using this 
 * file.
 *
 * The Original Code and all software distributed under the License are 
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * Please see the License for the specific language governing rights and 
 * limitations under the License.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
 */
/*
 * 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
 */
/*
 * HISTORY
 *
 *	10-July-97  Umesh Vaishampayan  (umeshv@apple.com)
 *		Avoid multiple includes. 
 */

#ifndef _I386_LIMITS_H_
#define _I386_LIMITS_H_

#include <i386/_limits.h>

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

#ifndef	CLK_TCK
#define	CLK_TCK		__DARWIN_CLK_TCK	/* ticks per second */
#endif

/*
 * 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 */

#define	ULONG_MAX	0xffffffff	/* max value for an unsigned long */
#define	LONG_MAX	2147483647	/* max value for a long */
#define	LONG_MIN	(-2147483647-1)	/* min value for a long */

#if !defined(_ANSI_SOURCE)
#define	SSIZE_MAX	INT_MAX		/* max value for a ssize_t */

#if !defined(_POSIX_SOURCE)
#define	SIZE_T_MAX	UINT_MAX	/* max value for a size_t */

/* GCC requires that quad constants be written as expressions. */
#define	UQUAD_MAX	((u_quad_t)0-1)	/* max value for a uquad_t */
					/* max value for a quad_t */
#define	QUAD_MAX	((quad_t)(UQUAD_MAX >> 1))
#define	QUAD_MIN	(-QUAD_MAX-1)	/* min value for a quad_t */

#endif /* !_POSIX_SOURCE */
#endif /* !_ANSI_SOURCE */

#endif /* _I386_LIMITS_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
8ad349bb	4	* @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b	5	*
8ad349bb A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the
	10	* License may not be used to create, or enable the creation or
	11	* redistribution of, unlawful or unlicensed copies of an Apple operating
	12	* system, or to circumvent, violate, or enable the circumvention or
	13	* violation of, any terms of an Apple operating system software license
	14	* agreement.
	15	*
	16	* Please obtain a copy of the License at
	17	* http://www.opensource.apple.com/apsl/ and read it before using this
	18	* file.
	19	*
	20	* The Original Code and all software distributed under the License are
	21	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	22	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	23	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	24	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	25	* Please see the License for the specific language governing rights and
	26	* limitations under the License.
	27	*
	28	* @APPLE_LICENSE_OSREFERENCE_HEADER_END@
1c79356b A	29	*/
	30	/*
	31	* Copyright (c) 1988, 1993
	32	* The Regents of the University of California. All rights reserved.
	33	*
	34	* Redistribution and use in source and binary forms, with or without
	35	* modification, are permitted provided that the following conditions
	36	* are met:
	37	* 1. Redistributions of source code must retain the above copyright
	38	* notice, this list of conditions and the following disclaimer.
	39	* 2. Redistributions in binary form must reproduce the above copyright
	40	* notice, this list of conditions and the following disclaimer in the
	41	* documentation and/or other materials provided with the distribution.
	42	* 3. All advertising materials mentioning features or use of this software
	43	* must display the following acknowledgement:
	44	* This product includes software developed by the University of
	45	* California, Berkeley and its contributors.
	46	* 4. Neither the name of the University nor the names of its contributors
	47	* may be used to endorse or promote products derived from this software
	48	* without specific prior written permission.
	49	*
	50	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	51	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	52	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	53	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	54	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	55	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	56	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	57	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	58	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	59	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	60	* SUCH DAMAGE.
	61	*
	62	* @(#)limits.h 8.3 (Berkeley) 1/4/94
	63	*/
	64	/*
	65	* HISTORY
	66	*
	67	* 10-July-97 Umesh Vaishampayan (umeshv@apple.com)
	68	* Avoid multiple includes.
	69	*/
	70
	71	#ifndef _I386_LIMITS_H_
	72	#define _I386_LIMITS_H_
	73
91447636 A	74	#include <i386/_limits.h>
91447636 A	75
1c79356b A	76	#define CHAR_BIT 8 /* number of bits in a char */
	77	#define MB_LEN_MAX 6 /* Allow 31 bit UTF2 */
	78
91447636 A	79	#ifndef CLK_TCK
	80	#define CLK_TCK __DARWIN_CLK_TCK /* ticks per second */
	81	#endif
1c79356b A	82
	83	/*
	84	* According to ANSI (section 2.2.4.2), the values below must be usable by
	85	* #if preprocessing directives. Additionally, the expression must have the
	86	* same type as would an expression that is an object of the corresponding
	87	* type converted according to the integral promotions. The subtraction for
	88	* INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an
	89	* unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
	90	* These numbers work for pcc as well. The UINT_MAX and ULONG_MAX values
	91	* are written as hex so that GCC will be quiet about large integer constants.
	92	*/
	93	#define SCHAR_MAX 127 /* min value for a signed char */
	94	#define SCHAR_MIN (-128) /* max value for a signed char */
	95
	96	#define UCHAR_MAX 255 /* max value for an unsigned char */
	97	#define CHAR_MAX 127 /* max value for a char */
	98	#define CHAR_MIN (-128) /* min value for a char */
	99
	100	#define USHRT_MAX 65535 /* max value for an unsigned short */
	101	#define SHRT_MAX 32767 /* max value for a short */
	102	#define SHRT_MIN (-32768) /* min value for a short */
	103
	104	#define UINT_MAX 0xffffffff /* max value for an unsigned int */
	105	#define INT_MAX 2147483647 /* max value for an int */
	106	#define INT_MIN (-2147483647-1) /* min value for an int */
	107
	108	#define ULONG_MAX 0xffffffff /* max value for an unsigned long */
	109	#define LONG_MAX 2147483647 /* max value for a long */
	110	#define LONG_MIN (-2147483647-1) /* min value for a long */
	111
	112	#if !defined(_ANSI_SOURCE)
	113	#define SSIZE_MAX INT_MAX /* max value for a ssize_t */
	114
	115	#if !defined(_POSIX_SOURCE)
	116	#define SIZE_T_MAX UINT_MAX /* max value for a size_t */
	117
	118	/* GCC requires that quad constants be written as expressions. */
	119	#define UQUAD_MAX ((u_quad_t)0-1) /* max value for a uquad_t */
	120	/* max value for a quad_t */
	121	#define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1))
	122	#define QUAD_MIN (-QUAD_MAX-1) /* min value for a quad_t */
	123
	124	#endif /* !_POSIX_SOURCE */
	125	#endif /* !_ANSI_SOURCE */
	126
	127	#endif /* _I386_LIMITS_H_ */