machine/limits.h

(taken from i386/include/limits.h rev 1.19)
This commit is contained in:
David E. O'Brien 2001-12-09 18:30:04 +00:00
parent ece50487e9
commit f95e635552
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=87567
2 changed files with 430 additions and 0 deletions

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/*
* 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
* $FreeBSD$
*/
#ifndef _MACHINE_LIMITS_H_
#define _MACHINE_LIMITS_H_
#define CHAR_BIT 8 /* number of bits in a char */
#define MB_LEN_MAX 6 /* Allow 31 bit UTF2 */
/*
* 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, etc., is so the value is not unsigned; e.g., 0x80000000 is an
* unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
* These numbers are for the default configuration of gcc. They work for
* some other compilers as well, but this should not be depended on.
*/
#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_MAX UCHAR_MAX /* max value for a char */
#define CHAR_MIN 0 /* min value for a char */
#else
#define CHAR_MAX SCHAR_MAX /* max value for a char */
#define CHAR_MIN SCHAR_MIN /* min value for a char */
#endif
#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 */
/* Bad hack for gcc configured to give 64-bit longs. */
#ifdef _LARGE_LONG
#define ULONG_MAX 0xffffffffffffffffUL
#define LONG_MAX 0x7fffffffffffffffL
#define LONG_MIN (-0x7fffffffffffffffL - 1)
#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
/* max value for an unsigned long long */
#define ULLONG_MAX 0xffffffffffffffffULL
#define LLONG_MAX 0x7fffffffffffffffLL /* max value for a long long */
#define LLONG_MIN (-0x7fffffffffffffffLL - 1) /* min for a long 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 */
#define OFF_MAX LLONG_MAX /* max value for a off_t */
#define OFF_MIN LLONG_MIN /* min value for a off_t */
/* Quads and long longs are the same size. Ensure they stay in sync. */
#define UQUAD_MAX ULLONG_MAX /* max value for a uquad_t */
#define QUAD_MAX LLONG_MAX /* max value for a quad_t */
#define QUAD_MIN LLONG_MIN /* min value for a quad_t */
#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
/*
* ISO/IEC 9899:1999
* 7.18.2.1 Limits of exact-width integer types
*/
/* Minimum values of exact-width signed integer types. */
#define INT8_MIN (-0x7f-1)
#define INT16_MIN (-0x7fff-1)
#define INT32_MIN (-0x7fffffff-1)
#define INT64_MIN (-0x7fffffffffffffffLL-1)
/* Maximum values of exact-width signed integer types. */
#define INT8_MAX 0x7f
#define INT16_MAX 0x7fff
#define INT32_MAX 0x7fffffff
#define INT64_MAX 0x7fffffffffffffffLL
/* Maximum values of exact-width unsigned integer types. */
#define UINT8_MAX 0xff
#define UINT16_MAX 0xffff
#define UINT32_MAX 0xffffffffU
#define UINT64_MAX 0xffffffffffffffffULL
/*
* ISO/IEC 9899:1999
* 7.18.2.2 Limits of minimum-width integer types
*/
/* Minimum values of minimum-width signed integer types. */
#define INT_LEAST8_MIN SCHAR_MIN
#define INT_LEAST16_MIN SHRT_MIN
#define INT_LEAST32_MIN INT_MIN
#define INT_LEAST64_MIN LLONG_MIN
/* Maximum values of minimum-width signed integer types. */
#define INT_LEAST8_MAX SCHAR_MAX
#define INT_LEAST16_MAX SHRT_MAX
#define INT_LEAST32_MAX INT_MAX
#define INT_LEAST64_MAX LLONG_MAX
/* Maximum values of minimum-width unsigned integer types. */
#define UINT_LEAST8_MAX UCHAR_MAX
#define UINT_LEAST16_MAX USHRT_MAX
#define UINT_LEAST32_MAX UINT_MAX
#define UINT_LEAST64_MAX ULLONG_MAX
/*
* ISO/IEC 9899:1999
* 7.18.2.3 Limits of fastest minimum-width integer types
*/
/* Minimum values of fastest minimum-width signed integer types. */
#define INT_FAST8_MIN INT_MIN
#define INT_FAST16_MIN INT_MIN
#define INT_FAST32_MIN INT_MIN
#define INT_FAST64_MIN LLONG_MIN
/* Maximum values of fastest minimum-width signed integer types. */
#define INT_FAST8_MAX INT_MAX
#define INT_FAST16_MAX INT_MAX
#define INT_FAST32_MAX INT_MAX
#define INT_FAST64_MAX LLONG_MAX
/* Maximum values of fastest minimum-width unsigned integer types. */
#define UINT_FAST8_MAX UINT_MAX
#define UINT_FAST16_MAX UINT_MAX
#define UINT_FAST32_MAX UINT_MAX
#define UINT_FAST64_MAX ULLONG_MAX
/*
* ISO/IEC 9899:1999
* 7.18.2.4 Limits of integer types capable of holding object pointers
*/
#define INTPTR_MIN INT_MIN
#define INTPTR_MAX INT_MAX
#define UINTPTR_MAX UINT_MAX
/*
* ISO/IEC 9899:1999
* 7.18.2.5 Limits of greatest-width integer types
*/
#define INTMAX_MIN LLONG_MIN
#define INTMAX_MAX LLONG_MAX
#define UINTMAX_MAX ULLONG_MAX
/*
* ISO/IEC 9899:1999
* 7.18.3 Limits of other integer types
*/
/* Limits of ptrdiff_t. */
#define PTRDIFF_MIN INT_MIN
#define PTRDIFF_MAX INT_MAX
/* Limits of sig_atomic_t. */
#define SIG_ATOMIC_MIN INT_MIN
#define SIG_ATOMIC_MAX INT_MAX
/* Limit of size_t. */
#define SIZE_MAX UINT_MAX
#ifndef WCHAR_MIN /* Also possibly defined in <wchar.h> */
/* Limits of wchar_t. */
#define WCHAR_MIN INT_MIN
#define WCHAR_MAX INT_MAX
/* Limits of wint_t. */
#define WINT_MIN INT_MIN
#define WINT_MAX INT_MAX
#endif
#endif /* !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) */
#endif /* !_POSIX_SOURCE */
#endif /* !_ANSI_SOURCE */
#endif /* !_MACHINE_LIMITS_H_ */

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/*
* 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
* $FreeBSD$
*/
#ifndef _MACHINE_LIMITS_H_
#define _MACHINE_LIMITS_H_
#define CHAR_BIT 8 /* number of bits in a char */
#define MB_LEN_MAX 6 /* Allow 31 bit UTF2 */
/*
* 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, etc., is so the value is not unsigned; e.g., 0x80000000 is an
* unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
* These numbers are for the default configuration of gcc. They work for
* some other compilers as well, but this should not be depended on.
*/
#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_MAX UCHAR_MAX /* max value for a char */
#define CHAR_MIN 0 /* min value for a char */
#else
#define CHAR_MAX SCHAR_MAX /* max value for a char */
#define CHAR_MIN SCHAR_MIN /* min value for a char */
#endif
#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 */
/* Bad hack for gcc configured to give 64-bit longs. */
#ifdef _LARGE_LONG
#define ULONG_MAX 0xffffffffffffffffUL
#define LONG_MAX 0x7fffffffffffffffL
#define LONG_MIN (-0x7fffffffffffffffL - 1)
#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
/* max value for an unsigned long long */
#define ULLONG_MAX 0xffffffffffffffffULL
#define LLONG_MAX 0x7fffffffffffffffLL /* max value for a long long */
#define LLONG_MIN (-0x7fffffffffffffffLL - 1) /* min for a long 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 */
#define OFF_MAX LLONG_MAX /* max value for a off_t */
#define OFF_MIN LLONG_MIN /* min value for a off_t */
/* Quads and long longs are the same size. Ensure they stay in sync. */
#define UQUAD_MAX ULLONG_MAX /* max value for a uquad_t */
#define QUAD_MAX LLONG_MAX /* max value for a quad_t */
#define QUAD_MIN LLONG_MIN /* min value for a quad_t */
#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
/*
* ISO/IEC 9899:1999
* 7.18.2.1 Limits of exact-width integer types
*/
/* Minimum values of exact-width signed integer types. */
#define INT8_MIN (-0x7f-1)
#define INT16_MIN (-0x7fff-1)
#define INT32_MIN (-0x7fffffff-1)
#define INT64_MIN (-0x7fffffffffffffffLL-1)
/* Maximum values of exact-width signed integer types. */
#define INT8_MAX 0x7f
#define INT16_MAX 0x7fff
#define INT32_MAX 0x7fffffff
#define INT64_MAX 0x7fffffffffffffffLL
/* Maximum values of exact-width unsigned integer types. */
#define UINT8_MAX 0xff
#define UINT16_MAX 0xffff
#define UINT32_MAX 0xffffffffU
#define UINT64_MAX 0xffffffffffffffffULL
/*
* ISO/IEC 9899:1999
* 7.18.2.2 Limits of minimum-width integer types
*/
/* Minimum values of minimum-width signed integer types. */
#define INT_LEAST8_MIN SCHAR_MIN
#define INT_LEAST16_MIN SHRT_MIN
#define INT_LEAST32_MIN INT_MIN
#define INT_LEAST64_MIN LLONG_MIN
/* Maximum values of minimum-width signed integer types. */
#define INT_LEAST8_MAX SCHAR_MAX
#define INT_LEAST16_MAX SHRT_MAX
#define INT_LEAST32_MAX INT_MAX
#define INT_LEAST64_MAX LLONG_MAX
/* Maximum values of minimum-width unsigned integer types. */
#define UINT_LEAST8_MAX UCHAR_MAX
#define UINT_LEAST16_MAX USHRT_MAX
#define UINT_LEAST32_MAX UINT_MAX
#define UINT_LEAST64_MAX ULLONG_MAX
/*
* ISO/IEC 9899:1999
* 7.18.2.3 Limits of fastest minimum-width integer types
*/
/* Minimum values of fastest minimum-width signed integer types. */
#define INT_FAST8_MIN INT_MIN
#define INT_FAST16_MIN INT_MIN
#define INT_FAST32_MIN INT_MIN
#define INT_FAST64_MIN LLONG_MIN
/* Maximum values of fastest minimum-width signed integer types. */
#define INT_FAST8_MAX INT_MAX
#define INT_FAST16_MAX INT_MAX
#define INT_FAST32_MAX INT_MAX
#define INT_FAST64_MAX LLONG_MAX
/* Maximum values of fastest minimum-width unsigned integer types. */
#define UINT_FAST8_MAX UINT_MAX
#define UINT_FAST16_MAX UINT_MAX
#define UINT_FAST32_MAX UINT_MAX
#define UINT_FAST64_MAX ULLONG_MAX
/*
* ISO/IEC 9899:1999
* 7.18.2.4 Limits of integer types capable of holding object pointers
*/
#define INTPTR_MIN INT_MIN
#define INTPTR_MAX INT_MAX
#define UINTPTR_MAX UINT_MAX
/*
* ISO/IEC 9899:1999
* 7.18.2.5 Limits of greatest-width integer types
*/
#define INTMAX_MIN LLONG_MIN
#define INTMAX_MAX LLONG_MAX
#define UINTMAX_MAX ULLONG_MAX
/*
* ISO/IEC 9899:1999
* 7.18.3 Limits of other integer types
*/
/* Limits of ptrdiff_t. */
#define PTRDIFF_MIN INT_MIN
#define PTRDIFF_MAX INT_MAX
/* Limits of sig_atomic_t. */
#define SIG_ATOMIC_MIN INT_MIN
#define SIG_ATOMIC_MAX INT_MAX
/* Limit of size_t. */
#define SIZE_MAX UINT_MAX
#ifndef WCHAR_MIN /* Also possibly defined in <wchar.h> */
/* Limits of wchar_t. */
#define WCHAR_MIN INT_MIN
#define WCHAR_MAX INT_MAX
/* Limits of wint_t. */
#define WINT_MIN INT_MIN
#define WINT_MAX INT_MAX
#endif
#endif /* !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) */
#endif /* !_POSIX_SOURCE */
#endif /* !_ANSI_SOURCE */
#endif /* !_MACHINE_LIMITS_H_ */