[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>
#ifndef DRIVERKIT
#include <i386/_limits.h>
#endif

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

#ifndef DRIVERKIT
#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) */
#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 */

#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>
cb323159	40	#ifndef DRIVERKIT
91447636	41	#include <i386/_limits.h>
cb323159	42	#endif
91447636	43
0a7de745 A	44	#define CHAR_BIT 8 /* number of bits in a char */
0a7de745 A	45	#define MB_LEN_MAX 6 /* Allow 31 bit UTF2 */
1c79356b	46
cb323159	47	#ifndef DRIVERKIT
b0d623f7	48	#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE))
0a7de745	49	#define CLK_TCK __DARWIN_CLK_TCK /* ticks per second */
b0d623f7	50	#endif /* !_ANSI_SOURCE && (!_POSIX_C_SOURCE \|\| _DARWIN_C_SOURCE) */
cb323159	51	#endif
1c79356b A	52
	53	/*
	54	* According to ANSI (section 2.2.4.2), the values below must be usable by
	55	* #if preprocessing directives. Additionally, the expression must have the
	56	* same type as would an expression that is an object of the corresponding
	57	* type converted according to the integral promotions. The subtraction for
	58	* INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an
	59	* unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
	60	* These numbers work for pcc as well. The UINT_MAX and ULONG_MAX values
	61	* are written as hex so that GCC will be quiet about large integer constants.
	62	*/
0a7de745 A	63	#define SCHAR_MAX 127 /* min value for a signed char */
0a7de745 A	64	#define SCHAR_MIN (-128) /* max value for a signed char */
1c79356b	65
0a7de745 A	66	#define UCHAR_MAX 255 /* max value for an unsigned char */
	67	#define CHAR_MAX 127 /* max value for a char */
	68	#define CHAR_MIN (-128) /* min value for a char */
1c79356b	69
0a7de745 A	70	#define USHRT_MAX 65535 /* max value for an unsigned short */
	71	#define SHRT_MAX 32767 /* max value for a short */
	72	#define SHRT_MIN (-32768) /* min value for a short */
1c79356b	73
0a7de745 A	74	#define UINT_MAX 0xffffffff /* max value for an unsigned int */
	75	#define INT_MAX 2147483647 /* max value for an int */
	76	#define INT_MIN (-2147483647-1) /* min value for an int */
1c79356b	77
b0d623f7	78	#ifdef __LP64__
0a7de745 A	79	#define ULONG_MAX 0xffffffffffffffffUL /* max unsigned long */
	80	#define LONG_MAX 0x7fffffffffffffffL /* max signed long */
	81	#define LONG_MIN (-0x7fffffffffffffffL-1) /* min signed long */
b0d623f7	82	#else /* !__LP64__ */
0a7de745 A	83	#define ULONG_MAX 0xffffffffUL /* max unsigned long */
	84	#define LONG_MAX 2147483647L /* max signed long */
	85	#define LONG_MIN (-2147483647L-1) /* min signed long */
b0d623f7 A	86	#endif /* __LP64__ */
b0d623f7 A	87
0a7de745 A	88	#define ULLONG_MAX 0xffffffffffffffffULL /* max unsigned long long */
	89	#define LLONG_MAX 0x7fffffffffffffffLL /* max signed long long */
	90	#define LLONG_MIN (-0x7fffffffffffffffLL-1) /* min signed long long */
1c79356b A	91
1c79356b A	92	#if !defined(_ANSI_SOURCE)
b0d623f7	93	#ifdef __LP64__
0a7de745	94	#define LONG_BIT 64
b0d623f7	95	#else /* !__LP64__ */
0a7de745	96	#define LONG_BIT 32
b0d623f7	97	#endif /* __LP64__ */
0a7de745 A	98	#define SSIZE_MAX LONG_MAX /* max value for a ssize_t */
0a7de745 A	99	#define WORD_BIT 32
1c79356b	100
b0d623f7	101	#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) \|\| defined(_DARWIN_C_SOURCE)
0a7de745	102	#define SIZE_T_MAX ULONG_MAX /* max value for a size_t */
1c79356b	103
0a7de745 A	104	#define UQUAD_MAX ULLONG_MAX
	105	#define QUAD_MAX LLONG_MAX
	106	#define QUAD_MIN LLONG_MIN
1c79356b	107
b0d623f7	108	#endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) \|\| _DARWIN_C_SOURCE */
1c79356b A	109	#endif /* !_ANSI_SOURCE */
	110
	111	#endif /* _I386_LIMITS_H_ */