uspace/lib/posix/include/posix/stdint.h

   1 /*
   2  * Copyright (c) 2011 Petr Koupy
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /** @addtogroup libposix
  30  * @{
  31  */
  32 /** @file Integer types.
  33  */
  34
  35 #ifndef POSIX_STDINT_H_
  36 #define POSIX_STDINT_H_
  37
  38 #ifndef __POSIX_DEF__
  39 #define __POSIX_DEF__(x) x
  40 #endif
  41
  42 #include "libc/stdint.h"
  43
  44 #undef INT8_MAX
  45 #undef INT8_MIN
  46 #define INT8_MAX  127
  47 #define INT8_MIN  (-128)
  48
  49 #undef UINT8_MAX
  50 #undef UINT8_MIN
  51 #define UINT8_MAX  255
  52 #define UINT8_MIN  0
  53
  54 #undef INT16_MAX
  55 #undef INT16_MIN
  56 #define INT16_MAX  32767
  57 #define INT16_MIN  (-32768)
  58
  59 #undef UINT16_MAX
  60 #undef UINT16_MIN
  61 #define UINT16_MAX  65535
  62 #define UINT16_MIN  0
  63
  64 #undef INT32_MAX
  65 #undef INT32_MIN
  66 #define INT32_MAX  2147483647
  67 #define INT32_MIN  (-INT32_MAX - 1)
  68
  69 #undef UINT32_MAX
  70 #undef UINT32_MIN
  71 #define UINT32_MAX  4294967295U
  72 #define UINT32_MIN  0U
  73
  74 #undef INT64_MAX
  75 #undef INT64_MIN
  76 #define INT64_MAX  9223372036854775807LL
  77 #define INT64_MIN  (-INT64_MAX - 1LL)
  78
  79 #undef UINT64_MAX
  80 #undef  UINT64_MIN
  81 #define UINT64_MAX  18446744073709551615ULL
  82 #define UINT64_MIN  0ULL
  83
  84 #undef OFF64_MAX
  85 #undef OFF64_MIN
  86 #define OFF64_MAX  INT64_MAX
  87 #define OFF64_MIN  INT64_MIN
  88
  89 #undef AOFF64_MAX
  90 #undef AOFF64_MIN
  91 #define AOFF64_MAX  UINT64_MAX
  92 #define AOFF64_MIN  UINT64_MIN
  93
  94 #undef INTMAX_MIN
  95 #undef INTMAX_MAX
  96 #define INTMAX_MIN INT64_MIN
  97 #define INTMAX_MAX INT64_MAX
  98
  99 #undef UINTMAX_MIN
 100 #undef UINTMAX_MAX
 101 #define UINTMAX_MIN UINT64_MIN
 102 #define UINTMAX_MAX UINT64_MAX
 103
 104 /*
 105  * Fast* and least* integer types.
 106  *
 107  * The definitions below are correct as long as uint8/16/32/64_t are defined.
 108  * Considering the entire rest of the system would break down if they were not,
 109  * these definitions are just fine.
 110  */
 111 typedef uint8_t uint_least8_t;
 112 typedef uint16_t uint_least16_t;
 113 typedef uint32_t uint_least32_t;
 114 typedef uint64_t uint_least64_t;
 115
 116 typedef int8_t int_least8_t;
 117 typedef int16_t int_least16_t;
 118 typedef int32_t int_least32_t;
 119 typedef int64_t int_least64_t;
 120
 121 typedef uint8_t uint_fast8_t;
 122 typedef uint16_t uint_fast16_t;
 123 typedef uint32_t uint_fast32_t;
 124 typedef uint64_t uint_fast64_t;
 125
 126 typedef int8_t int_fast8_t;
 127 typedef int16_t int_fast16_t;
 128 typedef int32_t int_fast32_t;
 129 typedef int64_t int_fast64_t;
 130
 131 #endif /* POSIX_STDINT_H_ */
 132
 133 /** @}
 134  */