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      1 /*  $NetBSD: limits.h,v 1.2 2006/05/14 21:55:38 elad 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. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  *  @(#)limits.h  7.2 (Berkeley) 6/28/90
     32  */
     33 
     34 #ifndef _MACHINE_LIMITS_H_
     35 #define _MACHINE_LIMITS_H_
     36 
     37 #define __CHAR_BIT  8   /* number of bits in a char */
     38 //#define MB_LEN_MAX  32    /* no multibyte characters */
     39 
     40 #define __SCHAR_MIN (-128) /* max value for a signed char */
     41 #define __SCHAR_MAX 127    /* min value for a signed char */
     42 
     43 #define __UCHAR_MAX 255   /* max value for an unsigned char */
     44 //#define CHAR_MAX  0x7f    /* max value for a char */
     45 //#define CHAR_MIN  (-0x7f-1) /* min value for a char */
     46 
     47 #define __USHRT_MAX 0xffffU   /* max value for an unsigned short */
     48 #define __SHRT_MAX  0x7fff    /* max value for a short */
     49 #define __SHRT_MIN  (-0x7fff-1) /* min value for a short */
     50 
     51 #define __UINT_MAX  0xffffffffU /* max value for an unsigned int */
     52 #define __INT_MAX   0x7fffffff  /* max value for an int */
     53 #define __INT_MIN         (-0x7fffffff-1) /* min value for an int */
     54 
     55 //#define __ULONG_MAX 0xffffffffffffffffUL  /* max value for an unsigned long */
     56 //#define __LONG_MAX  0x7fffffffffffffffL /* max value for a long */
     57 //#define __LONG_MIN  (-0x7fffffffffffffffL-1)  /* min value for a long */
     58 #define __ULONG_MAX __UINT_MAX  /* max value for an unsigned long */
     59 #define __LONG_MAX  __INT_MAX /* max value for a long */
     60 #define __LONG_MIN  __INT_MIN  /* min value for a long */
     61 
     62 
     63 #define SSIZE_MAX LONG_MAX  /* max value for a ssize_t */
     64 
     65 #define __ULLONG_MAX  0xffffffffffffffffULL /* max unsigned long long */
     66 #define __LLONG_MAX 0x7fffffffffffffffLL  /* max signed long long */
     67 #define __LLONG_MIN (-0x7fffffffffffffffLL-1) /* min signed long long */
     68 
     69 #define SIZE_T_MAX  __ULLONG_MAX /* max value for a size_t */
     70 
     71 /* GCC requires that quad constants be written as expressions. */
     72 #define UQUAD_MAX ((u_quad_t)0-1) /* max value for a uquad_t */
     73           /* max value for a quad_t */
     74 #define QUAD_MAX  ((quad_t)(UQUAD_MAX >> 1))
     75 #define QUAD_MIN  (-QUAD_MAX-1) /* min value for a quad_t */
     76 
     77 
     78 #define LONG_BIT  32
     79 #define WORD_BIT  32
     80 
     81 /* Intel extensions to <limits.h> for UEFI */
     82 #define __SHORT_BIT     16
     83 #define __WCHAR_BIT     16
     84 #define __INT_BIT       32
     85 #define __LONG_BIT      32    /* Compiler dependent */
     86 #define __LONG_LONG_BIT 64
     87 #define __POINTER_BIT   64
     88 
     89 #endif /* _MACHINE_LIMITS_H_ */
     90