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      1 /*  $NetBSD: int_limits.h,v 1.3 2005/12/11 12:16:25 christos Exp $  */
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Klaus Klein.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _AMD64_INT_LIMITS_H_
     40 #define _AMD64_INT_LIMITS_H_
     41 
     42 /*
     43  * 7.18.2 Limits of specified-width integer types
     44  */
     45 
     46 /* 7.18.2.1 Limits of exact-width integer types */
     47 
     48 /* minimum values of exact-width signed integer types */
     49 #define INT8_MIN  (-0x7f-1)     /* int8_t   */
     50 #define INT16_MIN (-0x7fff-1)     /* int16_t    */
     51 #define INT32_MIN (-0x7fffffff-1)     /* int32_t    */
     52 #define INT64_MIN (-0x7fffffffffffffffLL-1)  /* int64_t    */
     53 
     54 /* maximum values of exact-width signed integer types */
     55 #define INT8_MAX  0x7f        /* int8_t   */
     56 #define INT16_MAX 0x7fff        /* int16_t    */
     57 #define INT32_MAX 0x7fffffff      /* int32_t    */
     58 #define INT64_MAX 0x7fffffffffffffffLL   /* int64_t    */
     59 
     60 /* maximum values of exact-width unsigned integer types */
     61 #define UINT8_MAX 0xffU       /* uint8_t    */
     62 #define UINT16_MAX  0xffffU       /* uint16_t   */
     63 #define UINT32_MAX  0xffffffffU     /* uint32_t   */
     64 #define UINT64_MAX  0xffffffffffffffffULL    /* uint64_t   */
     65 
     66 /* 7.18.2.2 Limits of minimum-width integer types */
     67 
     68 /* minimum values of minimum-width signed integer types */
     69 #define INT_LEAST8_MIN  (-0x7f-1)     /* int_least8_t   */
     70 #define INT_LEAST16_MIN (-0x7fff-1)     /* int_least16_t  */
     71 #define INT_LEAST32_MIN (-0x7fffffff-1)     /* int_least32_t  */
     72 #define INT_LEAST64_MIN (-0x7fffffffffffffffLL-1)  /* int_least64_t  */
     73 
     74 /* maximum values of minimum-width signed integer types */
     75 #define INT_LEAST8_MAX  0x7f        /* int_least8_t   */
     76 #define INT_LEAST16_MAX 0x7fff        /* int_least16_t  */
     77 #define INT_LEAST32_MAX 0x7fffffff      /* int_least32_t  */
     78 #define INT_LEAST64_MAX 0x7fffffffffffffffLL   /* int_least64_t  */
     79 
     80 /* maximum values of minimum-width unsigned integer types */
     81 #define UINT_LEAST8_MAX  0xffU        /* uint_least8_t  */
     82 #define UINT_LEAST16_MAX 0xffffU      /* uint_least16_t */
     83 #define UINT_LEAST32_MAX 0xffffffffU      /* uint_least32_t */
     84 #define UINT_LEAST64_MAX 0xffffffffffffffffULL   /* uint_least64_t */
     85 
     86 /* 7.18.2.3 Limits of fastest minimum-width integer types */
     87 
     88 /* minimum values of fastest minimum-width signed integer types */
     89 #define INT_FAST8_MIN (-0x7fffffff-1)     /* int_fast8_t    */
     90 #define INT_FAST16_MIN  (-0x7fffffff-1)     /* int_fast16_t   */
     91 #define INT_FAST32_MIN  (-0x7fffffff-1)     /* int_fast32_t   */
     92 #define INT_FAST64_MIN  (-0x7fffffffffffffffLL-1) /* int_fast64_t   */
     93 
     94 /* maximum values of fastest minimum-width signed integer types */
     95 #define INT_FAST8_MAX 0x7fffffff      /* int_fast8_t    */
     96 #define INT_FAST16_MAX  0x7fffffff      /* int_fast16_t   */
     97 #define INT_FAST32_MAX  0x7fffffff      /* int_fast32_t   */
     98 #define INT_FAST64_MAX  0x7fffffffffffffffLL    /* int_fast64_t   */
     99 
    100 /* maximum values of fastest minimum-width unsigned integer types */
    101 #define UINT_FAST8_MAX  0xffffffffU     /* uint_fast8_t   */
    102 #define UINT_FAST16_MAX 0xffffffffU     /* uint_fast16_t  */
    103 #define UINT_FAST32_MAX 0xffffffffU     /* uint_fast32_t  */
    104 #define UINT_FAST64_MAX 0xffffffffffffffffULL   /* uint_fast64_t  */
    105 
    106 /* 7.18.2.4 Limits of integer types capable of holding object pointers */
    107 
    108 #define INTPTR_MIN  (-0x7fffffffffffffffLL-1)  /* intptr_t   */
    109 #define INTPTR_MAX  0x7fffffffffffffffLL   /* intptr_t   */
    110 #define UINTPTR_MAX 0xffffffffffffffffULL    /* uintptr_t    */
    111 
    112 /* 7.18.2.5 Limits of greatest-width integer types */
    113 
    114 #define INTMAX_MIN  (-0x7fffffffffffffffLL-1)  /* intmax_t   */
    115 #define INTMAX_MAX  0x7fffffffffffffffLL   /* intmax_t   */
    116 #define UINTMAX_MAX 0xffffffffffffffffULL    /* uintmax_t    */
    117 
    118 
    119 /*
    120  * 7.18.3 Limits of other integer types
    121  */
    122 
    123 /* limits of ptrdiff_t */
    124 #define PTRDIFF_MIN (-0x7fffffffffffffffLL-1)  /* ptrdiff_t    */
    125 #define PTRDIFF_MAX 0x7fffffffffffffffLL   /* ptrdiff_t    */
    126 
    127 /* limits of sig_atomic_t */
    128 #define SIG_ATOMIC_MIN  (-0x7fffffffffffffffLL-1)  /* sig_atomic_t   */
    129 #define SIG_ATOMIC_MAX  0x7fffffffffffffffLL   /* sig_atomic_t   */
    130 
    131 /* limit of size_t */
    132 #define SIZE_MAX  0xffffffffffffffffULL    /* size_t   */
    133 #define SIZE_T_MAX  SIZE_MAX
    134 
    135 #endif /* !_AMD64_INT_LIMITS_H_ */
    136