91 lines
3.9 KiB
C
91 lines
3.9 KiB
C
/*
|
|
* 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
|
|
* $Id$
|
|
*/
|
|
|
|
#ifndef _MACHINE_LIMITS_H_
|
|
#define _MACHINE_LIMITS_H_ 1
|
|
|
|
#define CHAR_BIT 8 /* number of bits in a char */
|
|
#define MB_LEN_MAX 6 /* Allow 31 bit UTF2 */
|
|
|
|
|
|
#define CLK_TCK 128 /* ticks per second */
|
|
|
|
/*
|
|
* 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 /* _MACHINE_LIMITS_H_ */
|