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limits.h revision 1.10
      1  1.10     matt /*	$NetBSD: limits.h,v 1.10 2002/11/03 22:55:24 matt Exp $	*/
      2   1.1       ws 
      3  1.10     matt /*
      4  1.10     matt  * Copyright (c) 1988, 1993
      5  1.10     matt  *	The Regents of the University of California.  All rights reserved.
      6   1.1       ws  *
      7   1.1       ws  * Redistribution and use in source and binary forms, with or without
      8   1.1       ws  * modification, are permitted provided that the following conditions
      9   1.1       ws  * are met:
     10   1.1       ws  * 1. Redistributions of source code must retain the above copyright
     11   1.1       ws  *    notice, this list of conditions and the following disclaimer.
     12   1.1       ws  * 2. Redistributions in binary form must reproduce the above copyright
     13   1.1       ws  *    notice, this list of conditions and the following disclaimer in the
     14   1.1       ws  *    documentation and/or other materials provided with the distribution.
     15   1.1       ws  * 3. All advertising materials mentioning features or use of this software
     16   1.1       ws  *    must display the following acknowledgement:
     17  1.10     matt  *	This product includes software developed by the University of
     18  1.10     matt  *	California, Berkeley and its contributors.
     19  1.10     matt  * 4. Neither the name of the University nor the names of its contributors
     20  1.10     matt  *    may be used to endorse or promote products derived from this software
     21  1.10     matt  *    without specific prior written permission.
     22   1.1       ws  *
     23  1.10     matt  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  1.10     matt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  1.10     matt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  1.10     matt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  1.10     matt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  1.10     matt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  1.10     matt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  1.10     matt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  1.10     matt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  1.10     matt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  1.10     matt  * SUCH DAMAGE.
     34  1.10     matt  *
     35  1.10     matt  *	@(#)limits.h	8.3 (Berkeley) 1/4/94
     36   1.1       ws  */
     37   1.1       ws 
     38   1.9     matt #ifndef	_POWERPC_LIMITS_H_
     39   1.9     matt #define	_POWERPC_LIMITS_H_
     40   1.2    perry 
     41  1.10     matt #define	CHAR_BIT	8		/* number of bits in a char */
     42  1.10     matt #define	MB_LEN_MAX	32		/* Allow 31 bit UTF2 */
     43  1.10     matt 
     44  1.10     matt /*
     45  1.10     matt  * According to ANSI (section 2.2.4.2), the values below must be usable by
     46  1.10     matt  * #if preprocessing directives.  Additionally, the expression must have the
     47  1.10     matt  * same type as would an expression that is an object of the corresponding
     48  1.10     matt  * type converted according to the integral promotions.  The subtraction for
     49  1.10     matt  * INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an
     50  1.10     matt  * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
     51  1.10     matt  * These numbers work for pcc as well.  The UINT_MAX and ULONG_MAX values
     52  1.10     matt  * are written as hex so that GCC will be quiet about large integer constants.
     53  1.10     matt  */
     54  1.10     matt #define	SCHAR_MAX	0x7f		/* min value for a signed char */
     55  1.10     matt #define	SCHAR_MIN	(-0x7f-1)	/* max value for a signed char */
     56  1.10     matt 
     57  1.10     matt #define	UCHAR_MAX	0xffU		/* max value for an unsigned char */
     58  1.10     matt #define	CHAR_MAX	0xffU		/* max value for a char */
     59  1.10     matt #define	CHAR_MIN	0		/* min value for a char */
     60  1.10     matt 
     61  1.10     matt #define	USHRT_MAX	0xffffU		/* max value for an unsigned short */
     62  1.10     matt #define	SHRT_MAX	0x7fff		/* max value for a short */
     63  1.10     matt #define	SHRT_MIN	(-0x7fff-1)	/* min value for a short */
     64  1.10     matt 
     65  1.10     matt #define	UINT_MAX	0xffffffffU	/* max value for an unsigned int */
     66  1.10     matt #define	INT_MAX		0x7fffffff	/* max value for an int */
     67  1.10     matt #define	INT_MIN		(-0x7fffffff-1)	/* min value for an int */
     68  1.10     matt 
     69  1.10     matt #ifdef _LP64
     70  1.10     matt #define	ULONG_MAX	0xffffffffffffffffUL	/* max for an unsigned long */
     71  1.10     matt #define	LONG_MAX	0x7fffffffffffffffL	/* max for a long */
     72  1.10     matt #define	LONG_MIN	(-0x7fffffffffffffffL-1) /* min for a long */
     73  1.10     matt #else
     74  1.10     matt #define	ULONG_MAX	0xffffffffUL	/* max value for an unsigned long */
     75  1.10     matt #define	LONG_MAX	0x7fffffffL	/* max value for a long */
     76  1.10     matt #define	LONG_MIN	(-0x7fffffff-1)	/* min value for a long */
     77  1.10     matt #endif
     78   1.1       ws 
     79   1.1       ws #if !defined(_ANSI_SOURCE)
     80  1.10     matt #ifdef _LP64
     81  1.10     matt #define	SSIZE_MAX	LONG_MAX	/* max value for a ssize_t */
     82  1.10     matt #else
     83   1.3  thorpej #define	SSIZE_MAX	INT_MAX		/* max value for a ssize_t */
     84  1.10     matt #endif
     85   1.6   kleink 
     86   1.6   kleink #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) || \
     87   1.6   kleink      defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L
     88   1.6   kleink #define	ULLONG_MAX	0xffffffffffffffffULL	/* max unsigned long long */
     89   1.6   kleink #define	LLONG_MAX	0x7fffffffffffffffLL	/* max signed long long */
     90   1.6   kleink #define	LLONG_MIN	(-0x7fffffffffffffffLL-1) /* min signed long long */
     91   1.6   kleink #endif
     92   1.1       ws 
     93   1.4   kleink #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
     94  1.10     matt #ifdef _LP64
     95  1.10     matt #define	SIZE_T_MAX	ULONG_MAX	/* max value for a size_t */
     96  1.10     matt #else
     97   1.1       ws #define	SIZE_T_MAX	UINT_MAX	/* max value for a size_t */
     98  1.10     matt #endif
     99   1.1       ws 
    100  1.10     matt #ifdef _LP64
    101  1.10     matt /* Quads and longs are the same on LP64. */
    102  1.10     matt #define	UQUAD_MAX	(ULONG_MAX)
    103  1.10     matt #define	QUAD_MAX	(LONG_MAX)
    104  1.10     matt #define	QUAD_MIN	(LONG_MIN)
    105  1.10     matt #else
    106  1.10     matt /* GCC requires that quad constants be written as expressions. */
    107  1.10     matt #define	UQUAD_MAX	((u_quad_t)0-1)	/* max value for a uquad_t */
    108  1.10     matt 					/* max value for a quad_t */
    109  1.10     matt #define	QUAD_MAX	((quad_t)(UQUAD_MAX >> 1))
    110  1.10     matt #define	QUAD_MIN	(-QUAD_MAX-1)	/* min value for a quad_t */
    111  1.10     matt #endif
    112   1.3  thorpej 
    113  1.10     matt #endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
    114  1.10     matt #endif /* !_ANSI_SOURCE */
    115   1.5  mycroft 
    116   1.5  mycroft #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) || \
    117   1.5  mycroft     defined(_XOPEN_SOURCE)
    118  1.10     matt #ifdef _LP64
    119  1.10     matt #define LONG_BIT	64
    120  1.10     matt #else
    121   1.5  mycroft #define LONG_BIT	32
    122  1.10     matt #endif
    123   1.5  mycroft #define WORD_BIT	32
    124   1.5  mycroft 
    125   1.5  mycroft #define DBL_DIG		15
    126   1.5  mycroft #define DBL_MAX		1.7976931348623157E+308
    127   1.5  mycroft #define DBL_MIN		2.2250738585072014E-308
    128   1.5  mycroft 
    129   1.5  mycroft #define FLT_DIG		6
    130   1.5  mycroft #define FLT_MAX		3.40282347E+38F
    131   1.5  mycroft #define FLT_MIN		1.17549435E-38F
    132   1.5  mycroft #endif
    133   1.2    perry 
    134   1.9     matt #endif /* _POWERPC_LIMITS_H_ */
    135