freebsd-skq/sys/amd64/include/_limits.h
Alexander Kabaev 6fd839f9c7 Add a new sys/limits.h file which in turn depends on machine/_limits.h
to get actual constant values. This is in preparation for machine/limits.h
retirement.

Discussed on:	standards@
Submitted by:	Craig Rodrigues <rodrigc@attbi.com>  (*)
Modified by:	kan
2003-04-23 21:41:59 +00:00

91 lines
3.8 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
* From: NetBSD: limits.h,v 1.3 1997/04/06 08:47:31 cgd Exp
* From: FreeBSD: src/sys/alpha/include/limits.h,v 1.8 2001/11/02
* $FreeBSD$
*/
#ifndef _MACHINE__LIMITS_H_
#define _MACHINE__LIMITS_H_
#define __CHAR_BIT 8 /* number of bits in a char */
#define __SCHAR_MAX 0x7f /* max value for a signed char */
#define __SCHAR_MIN (-0x7f-1) /* min value for a signed char */
#define __UCHAR_MAX 0xffU /* max value for an unsigned char */
#define __USHRT_MAX 0xffffU /* 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 */
#define __ULONG_MAX 0xffffffffffffffffUL /* max for an unsigned long */
#define __LONG_MAX 0x7fffffffffffffffL /* max for a long */
#define __LONG_MIN (-0x7fffffffffffffffL-1) /* min for a long */
/* Long longs and longs are the same size on the alpha. */
/* max for an unsigned long long */
#define __ULLONG_MAX 0xffffffffffffffffULL
#define __LLONG_MAX 0x7fffffffffffffffLL /* max for a long long */
#define __LLONG_MIN (-0x7fffffffffffffffLL-1) /* min for a long long */
#define __SSIZE_MAX __LONG_MAX /* max value for a ssize_t */
#define __SIZE_T_MAX __ULONG_MAX /* max value for a size_t */
#define __OFF_MAX __LONG_MAX /* max value for an off_t */
#define __OFF_MIN __LONG_MIN /* min value for an off_t */
/* Quads and longs are the same on the amd64. Ensure they stay in sync. */
#define __UQUAD_MAX (__ULONG_MAX) /* max value for a uquad_t */
#define __QUAD_MAX (__LONG_MAX) /* max value for a quad_t */
#define __QUAD_MIN (__LONG_MIN) /* min value for a quad_t */
#define __LONG_BIT 64
#define __WORD_BIT 32
#define __DBL_DIG 15
#define __DBL_MAX 1.7976931348623157E+308
#define __DBL_MIN 2.2250738585072014E-308
#define __FLT_DIG 6
#define __FLT_MAX 3.40282347E+38F
#define __FLT_MIN 1.17549435E-38F
#endif /* !_MACHINE__LIMITS_H_ */