root/sys/stdint.h

INCLUDED FROM

    1 /*      $OpenBSD: stdint.h,v 1.4 2006/12/10 22:17:55 deraadt Exp $      */
    3 /*
    4  * Copyright (c) 1997, 2005 Todd C. Miller <Todd.Miller@courtesan.com>
    5  *
    6  * Permission to use, copy, modify, and distribute this software for any
    7  * purpose with or without fee is hereby granted, provided that the above
    8  * copyright notice and this permission notice appear in all copies.
    9  *
   10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   17  */
   19 #ifndef _SYS_STDINT_H_
   20 #define _SYS_STDINT_H_
   22 #include <sys/cdefs.h>
   23 #include <machine/_types.h>
   25 #ifndef __BIT_TYPES_DEFINED__
   26 #define __BIT_TYPES_DEFINED__
   27 #endif
   29 /* 7.18.1.1 Exact-width integer types (also in sys/types.h) */
   30 #ifndef _INT8_T_DEFINED_
   31 #define _INT8_T_DEFINED_
   32 typedef __int8_t                int8_t;
   33 #endif
   35 #ifndef _UINT8_T_DEFINED_
   36 #define _UINT8_T_DEFINED_
   37 typedef __uint8_t               uint8_t;
   38 #endif
   40 #ifndef _INT16_T_DEFINED_
   41 #define _INT16_T_DEFINED_
   42 typedef __int16_t               int16_t;
   43 #endif
   45 #ifndef _UINT16_T_DEFINED_
   46 #define _UINT16_T_DEFINED_
   47 typedef __uint16_t              uint16_t;
   48 #endif
   50 #ifndef _INT32_T_DEFINED_
   51 #define _INT32_T_DEFINED_
   52 typedef __int32_t               int32_t;
   53 #endif
   55 #ifndef _UINT32_T_DEFINED_
   56 #define _UINT32_T_DEFINED_
   57 typedef __uint32_t              uint32_t;
   58 #endif
   60 #ifndef _INT64_T_DEFINED_
   61 #define _INT64_T_DEFINED_
   62 typedef __int64_t               int64_t;
   63 #endif
   65 #ifndef _UINT64_T_DEFINED_
   66 #define _UINT64_T_DEFINED_
   67 typedef __uint64_t              uint64_t;
   68 #endif
   70 /* 7.18.1.2 Minimum-width integer types */
   71 typedef __int_least8_t          int_least8_t;
   72 typedef __uint_least8_t         uint_least8_t;
   73 typedef __int_least16_t         int_least16_t;
   74 typedef __uint_least16_t        uint_least16_t;
   75 typedef __int_least32_t         int_least32_t;
   76 typedef __uint_least32_t        uint_least32_t;
   77 typedef __int_least64_t         int_least64_t;
   78 typedef __uint_least64_t        uint_least64_t;
   80 /* 7.18.1.3 Fastest minimum-width integer types */
   81 typedef __int_fast8_t           int_fast8_t;
   82 typedef __uint_fast8_t          uint_fast8_t;
   83 typedef __int_fast16_t          int_fast16_t;
   84 typedef __uint_fast16_t         uint_fast16_t;
   85 typedef __int_fast32_t          int_fast32_t;
   86 typedef __uint_fast32_t         uint_fast32_t;
   87 typedef __int_fast64_t          int_fast64_t;
   88 typedef __uint_fast64_t         uint_fast64_t;
   90 /* 7.18.1.4 Integer types capable of holding object pointers */
   91 typedef __intptr_t              intptr_t;
   92 typedef __uintptr_t             uintptr_t;
   94 /* 7.18.1.5 Greatest-width integer types */
   95 typedef __intmax_t              intmax_t;
   96 typedef __uintmax_t             uintmax_t;
   98 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
   99 /*
  100  * 7.18.2 Limits of specified-width integer types.
  101  *
  102  * The following object-like macros specify the minimum and maximum limits
  103  * of integer types corresponding to the typedef names defined above.
  104  */
  106 /* 7.18.2.1 Limits of exact-width integer types */
  107 #define INT8_MIN                (-0x7f - 1)
  108 #define INT16_MIN               (-0x7fff - 1)
  109 #define INT32_MIN               (-0x7fffffff - 1)
  110 #define INT64_MIN               (-0x7fffffffffffffffLL - 1)
  112 #define INT8_MAX                0x7f
  113 #define INT16_MAX               0x7fff
  114 #define INT32_MAX               0x7fffffff
  115 #define INT64_MAX               0x7fffffffffffffffLL
  117 #define UINT8_MAX               0xff
  118 #define UINT16_MAX              0xffff
  119 #define UINT32_MAX              0xffffffffU
  120 #define UINT64_MAX              0xffffffffffffffffULL
  122 /* 7.18.2.2 Limits of minimum-width integer types */
  123 #define INT_LEAST8_MIN          INT8_MIN
  124 #define INT_LEAST16_MIN         INT16_MIN
  125 #define INT_LEAST32_MIN         INT32_MIN
  126 #define INT_LEAST64_MIN         INT64_MIN
  128 #define INT_LEAST8_MAX          INT8_MAX
  129 #define INT_LEAST16_MAX         INT16_MAX
  130 #define INT_LEAST32_MAX         INT32_MAX
  131 #define INT_LEAST64_MAX         INT64_MAX
  133 #define UINT_LEAST8_MAX         UINT8_MAX
  134 #define UINT_LEAST16_MAX        UINT16_MAX
  135 #define UINT_LEAST32_MAX        UINT32_MAX
  136 #define UINT_LEAST64_MAX        UINT64_MAX
  138 /* 7.18.2.3 Limits of fastest minimum-width integer types */
  139 #define INT_FAST8_MIN           INT8_MIN
  140 #define INT_FAST16_MIN          INT16_MIN
  141 #define INT_FAST32_MIN          INT32_MIN
  142 #define INT_FAST64_MIN          INT64_MIN
  144 #define INT_FAST8_MAX           INT8_MAX
  145 #define INT_FAST16_MAX          INT16_MAX
  146 #define INT_FAST32_MAX          INT32_MAX
  147 #define INT_FAST64_MAX          INT64_MAX
  149 #define UINT_FAST8_MAX          UINT8_MAX
  150 #define UINT_FAST16_MAX         UINT16_MAX
  151 #define UINT_FAST32_MAX         UINT32_MAX
  152 #define UINT_FAST64_MAX         UINT64_MAX
  154 /* 7.18.2.4 Limits of integer types capable of holding object pointers */
  155 #ifdef __LP64__
  156 #define INTPTR_MIN              INT64_MIN
  157 #define INTPTR_MAX              INT64_MAX
  158 #define UINTPTR_MAX             UINT64_MAX
  159 #else
  160 #define INTPTR_MIN              INT32_MIN
  161 #define INTPTR_MAX              INT32_MAX
  162 #define UINTPTR_MAX             UINT32_MAX
  163 #endif
  165 /* 7.18.2.5 Limits of greatest-width integer types */
  166 #define INTMAX_MIN              INT64_MIN
  167 #define INTMAX_MAX              INT64_MAX
  168 #define UINTMAX_MAX             UINT64_MAX
  170 /*
  171  * 7.18.3 Limits of other integer types.
  172  *
  173  * The following object-like macros specify the minimum and maximum limits
  174  * of integer types corresponding to types specified in other standard
  175  * header files.
  176  */
  178 /* Limits of ptrdiff_t */
  179 #define PTRDIFF_MIN             INTPTR_MIN
  180 #define PTRDIFF_MAX             INTPTR_MAX
  182 /* Limits of sig_atomic_t */
  183 #define SIG_ATOMIC_MIN          INT32_MIN
  184 #define SIG_ATOMIC_MAX          INT32_MAX
  186 /* Limits of size_t (also in limits.h) */
  187 #ifndef SIZE_MAX
  188 #define SIZE_MAX                UINTPTR_MAX
  189 #endif
  191 /* Limits of wchar_t */
  192 #define WCHAR_MIN               INT32_MIN
  193 #define WCHAR_MAX               INT32_MAX
  195 /* Limits of wint_t */
  196 #define WINT_MIN                INT32_MIN
  197 #define WINT_MAX                INT32_MAX
  199 #endif /* __cplusplus || __STDC_LIMIT_MACROS */
  201 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
  202 /*
  203  * 7.18.4 Macros for integer constants.
  204  *
  205  * The following function-like macros expand to integer constants
  206  * suitable for initializing objects that have integer types corresponding
  207  * to types defined in <stdint.h>.  The argument in any instance of
  208  * these macros shall be a decimal, octal, or hexadecimal constant with
  209  * a value that does not exceed the limits for the corresponding type.
  210  */
  212 /* 7.18.4.1 Macros for minimum-width integer constants. */
  213 #define INT8_C(_c)              (_c)
  214 #define INT16_C(_c)             (_c)
  215 #define INT32_C(_c)             (_c)
  216 #define INT64_C(_c)             __CONCAT(_c, LL)
  218 #define UINT8_C(_c)             (_c)
  219 #define UINT16_C(_c)            (_c)
  220 #define UINT32_C(_c)            __CONCAT(_c, U)
  221 #define UINT64_C(_c)            __CONCAT(_c, ULL)
  223 /* 7.18.4.2 Macros for greatest-width integer constants. */
  224 #define INTMAX_C(_c)            __CONCAT(_c, LL)
  225 #define UINTMAX_C(_c)           __CONCAT(_c, ULL)
  227 #endif /* __cplusplus || __STDC_CONSTANT_MACROS */
  229 #endif /* _SYS_STDINT_H_ */