The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/x86/include/_stdint.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-4-Clause
    3  *
    4  * Copyright (c) 2001, 2002 Mike Barcroft <mike@FreeBSD.org>
    5  * Copyright (c) 2001 The NetBSD Foundation, Inc.
    6  * All rights reserved.
    7  *
    8  * This code is derived from software contributed to The NetBSD Foundation
    9  * by Klaus Klein.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  * 3. All advertising materials mentioning features or use of this software
   20  *    must display the following acknowledgement:
   21  *        This product includes software developed by the NetBSD
   22  *        Foundation, Inc. and its contributors.
   23  * 4. Neither the name of The NetBSD Foundation nor the names of its
   24  *    contributors may be used to endorse or promote products derived
   25  *    from this software without specific prior written permission.
   26  *
   27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   37  * POSSIBILITY OF SUCH DAMAGE.
   38  *
   39  * $FreeBSD$
   40  */
   41 
   42 #ifndef _MACHINE__STDINT_H_
   43 #define _MACHINE__STDINT_H_
   44 
   45 #include <machine/_limits.h>
   46 
   47 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
   48 
   49 #define INT8_C(c)               (c)
   50 #define INT16_C(c)              (c)
   51 #define INT32_C(c)              (c)
   52 
   53 #define UINT8_C(c)              (c)
   54 #define UINT16_C(c)             (c)
   55 #define UINT32_C(c)             (c ## U)
   56 
   57 #ifdef  __LP64__
   58 #define INT64_C(c)              (c ## L)
   59 #define UINT64_C(c)             (c ## UL)
   60 #else
   61 #define INT64_C(c)              (c ## LL)
   62 #define UINT64_C(c)             (c ## ULL)
   63 #endif
   64 
   65 #define INTMAX_C(c)             INT64_C(c)
   66 #define UINTMAX_C(c)            UINT64_C(c)
   67 
   68 #endif /* !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) */
   69 
   70 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
   71 
   72 /*
   73  * ISO/IEC 9899:1999
   74  * 7.18.2.1 Limits of exact-width integer types
   75  */
   76 #define INT8_MIN        (-0x7f-1)
   77 #define INT16_MIN       (-0x7fff-1)
   78 #define INT32_MIN       (-0x7fffffff-1)
   79 
   80 #define INT8_MAX        0x7f
   81 #define INT16_MAX       0x7fff
   82 #define INT32_MAX       0x7fffffff
   83 
   84 #define UINT8_MAX       0xff
   85 #define UINT16_MAX      0xffff
   86 #define UINT32_MAX      0xffffffffU
   87 
   88 #ifdef __LP64__
   89 #define INT64_MIN       (-0x7fffffffffffffff-1)
   90 #define INT64_MAX       0x7fffffffffffffff
   91 #define UINT64_MAX      0xffffffffffffffff
   92 #else
   93 #define INT64_MIN       (-0x7fffffffffffffffLL-1)
   94 #define INT64_MAX       0x7fffffffffffffffLL
   95 #define UINT64_MAX      0xffffffffffffffffULL
   96 #endif
   97 
   98 /*
   99  * ISO/IEC 9899:1999
  100  * 7.18.2.2  Limits of minimum-width integer types
  101  */
  102 /* Minimum values of minimum-width signed integer types. */
  103 #define INT_LEAST8_MIN  INT8_MIN
  104 #define INT_LEAST16_MIN INT16_MIN
  105 #define INT_LEAST32_MIN INT32_MIN
  106 #define INT_LEAST64_MIN INT64_MIN
  107 
  108 /* Maximum values of minimum-width signed integer types. */
  109 #define INT_LEAST8_MAX  INT8_MAX
  110 #define INT_LEAST16_MAX INT16_MAX
  111 #define INT_LEAST32_MAX INT32_MAX
  112 #define INT_LEAST64_MAX INT64_MAX
  113 
  114 /* Maximum values of minimum-width unsigned integer types. */
  115 #define UINT_LEAST8_MAX  UINT8_MAX
  116 #define UINT_LEAST16_MAX UINT16_MAX
  117 #define UINT_LEAST32_MAX UINT32_MAX
  118 #define UINT_LEAST64_MAX UINT64_MAX
  119 
  120 /*
  121  * ISO/IEC 9899:1999
  122  * 7.18.2.3  Limits of fastest minimum-width integer types
  123  */
  124 /* Minimum values of fastest minimum-width signed integer types. */
  125 #define INT_FAST8_MIN   INT32_MIN
  126 #define INT_FAST16_MIN  INT32_MIN
  127 #define INT_FAST32_MIN  INT32_MIN
  128 #define INT_FAST64_MIN  INT64_MIN
  129 
  130 /* Maximum values of fastest minimum-width signed integer types. */
  131 #define INT_FAST8_MAX   INT32_MAX
  132 #define INT_FAST16_MAX  INT32_MAX
  133 #define INT_FAST32_MAX  INT32_MAX
  134 #define INT_FAST64_MAX  INT64_MAX
  135 
  136 /* Maximum values of fastest minimum-width unsigned integer types. */
  137 #define UINT_FAST8_MAX  UINT32_MAX
  138 #define UINT_FAST16_MAX UINT32_MAX
  139 #define UINT_FAST32_MAX UINT32_MAX
  140 #define UINT_FAST64_MAX UINT64_MAX
  141 
  142 /*
  143  * ISO/IEC 9899:1999
  144  * 7.18.2.4  Limits of integer types capable of holding object pointers
  145  */
  146 #ifdef  __LP64__
  147 #define INTPTR_MIN      INT64_MIN
  148 #define INTPTR_MAX      INT64_MAX
  149 #define UINTPTR_MAX     UINT64_MAX
  150 #else
  151 #define INTPTR_MIN      INT32_MIN
  152 #define INTPTR_MAX      INT32_MAX
  153 #define UINTPTR_MAX     UINT32_MAX
  154 #endif
  155 
  156 /*
  157  * ISO/IEC 9899:1999
  158  * 7.18.2.5  Limits of greatest-width integer types
  159  */
  160 #define INTMAX_MIN      INT64_MIN
  161 #define INTMAX_MAX      INT64_MAX
  162 #define UINTMAX_MAX     UINT64_MAX
  163 
  164 /*
  165  * ISO/IEC 9899:1999
  166  * 7.18.3  Limits of other integer types
  167  */
  168 #ifdef  __LP64__
  169 /* Limits of ptrdiff_t. */
  170 #define PTRDIFF_MIN     INT64_MIN       
  171 #define PTRDIFF_MAX     INT64_MAX
  172 
  173 /* Limits of sig_atomic_t. */
  174 #define SIG_ATOMIC_MIN  __LONG_MIN
  175 #define SIG_ATOMIC_MAX  __LONG_MAX
  176 
  177 /* Limit of size_t. */
  178 #define SIZE_MAX        UINT64_MAX
  179 #else
  180 #define PTRDIFF_MIN     INT32_MIN
  181 #define PTRDIFF_MAX     INT32_MAX
  182 #define SIG_ATOMIC_MIN  INT32_MIN
  183 #define SIG_ATOMIC_MAX  INT32_MAX
  184 #define SIZE_MAX        UINT32_MAX
  185 #endif
  186 
  187 /* Limits of wint_t. */
  188 #define WINT_MIN        INT32_MIN
  189 #define WINT_MAX        INT32_MAX
  190 
  191 #endif /* !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) */
  192 
  193 #endif /* !_MACHINE__STDINT_H_ */

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