Home | History | Annotate | Line # | Download | only in include
limits.h revision 1.1
      1 /*	$NetBSD: limits.h,v 1.1 1998/06/20 04:58:51 eeh Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1988 The Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  *	@(#)limits.h	8.3 (Berkeley) 1/4/94
     36  */
     37 
     38 #define	CHAR_BIT	8		/* number of bits in a char */
     39 #define	MB_LEN_MAX	1		/* no multibyte characters */
     40 
     41 #define	SCHAR_MIN	(-0x7f-1)	/* max value for a signed char */
     42 #define	SCHAR_MAX	0x7f		/* min value for a signed char */
     43 
     44 #define	UCHAR_MAX	0xffU		/* max value for an unsigned char */
     45 #define	CHAR_MAX	0x7f		/* max value for a char */
     46 #define	CHAR_MIN	(-0x7f-1)	/* min value for a char */
     47 
     48 #define	USHRT_MAX	0xffffU		/* max value for an unsigned short */
     49 #define	SHRT_MAX	0x7fff		/* max value for a short */
     50 #define	SHRT_MIN	(-0x7fff-1)	/* min value for a short */
     51 
     52 #define	UINT_MAX	0xffffffffU	/* max value for an unsigned int */
     53 #define	INT_MAX		0x7fffffff	/* max value for an int */
     54 #define	INT_MIN		(-0x7fffffff-1)	/* min value for an int */
     55 
     56 #define	ULONG_MAX	0xffffffffUL	/* max value for an unsigned long */
     57 #define	LONG_MAX	0x7fffffffL	/* max value for a long */
     58 #define	LONG_MIN	(-0x7fffffffL-1)	/* min value for a long */
     59 
     60 #if !defined(_ANSI_SOURCE)
     61 #define	SSIZE_MAX	INT_MAX		/* max value for a ssize_t */
     62 
     63 #if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)
     64 #define	SIZE_T_MAX	UINT_MAX	/* max value for a size_t */
     65 
     66 /* GCC requires that quad constants be written as expressions. */
     67 #define	UQUAD_MAX	((u_quad_t)0-1)	/* max value for a uquad_t */
     68 					/* max value for a quad_t */
     69 #define	QUAD_MAX	((quad_t)(UQUAD_MAX >> 1))
     70 #define	QUAD_MIN	(-QUAD_MAX-1)	/* min value for a quad_t */
     71 
     72 #endif /* !_POSIX_SOURCE && !_XOPEN_SOURCE */
     73 #endif /* !_ANSI_SOURCE */
     74 
     75 #if (!defined(_ANSI_SOURCE)&&!defined(_POSIX_SOURCE)) || defined(_XOPEN_SOURCE)
     76 #define LONG_BIT	32
     77 #define WORD_BIT	32
     78 
     79 #define DBL_DIG		15
     80 #define DBL_MAX		1.7976931348623157E+308
     81 #define DBL_MIN		2.2250738585072014E-308
     82 
     83 #define FLT_DIG		6
     84 #define FLT_MAX		3.40282347E+38F
     85 #define FLT_MIN		1.17549435E-38F
     86 #endif
     87