sdk/include/crt/limits.h

   1 /**
   2  * This file has no copyright assigned and is placed in the Public Domain.
   3  * This file is part of the w64 mingw-runtime package.
   4  * No warranty is given; refer to the file DISCLAIMER within this package.
   5  */
   6 #pragma once
   7 #include <crtdefs.h>
   8
   9 #ifndef _INC_LIMITS
  10 #define _INC_LIMITS
  11
  12 /*
  13 * File system limits
  14 *
  15 * TODO: NAME_MAX and OPEN_MAX are file system limits or not? Are they the
  16 *       same as FILENAME_MAX and FOPEN_MAX from stdio.h?
  17 * NOTE: Apparently the actual size of PATH_MAX is 260, but a space is
  18 *       required for the NUL. TODO: Test?
  19 */
  20 #define PATH_MAX        (259)
  21
  22 #define CHAR_BIT 8
  23 #define SCHAR_MIN (-128)
  24 #define SCHAR_MAX 127
  25 #define UCHAR_MAX 0xff
  26
  27 #ifdef _CHAR_UNSIGNED
  28  #define CHAR_MIN 0
  29  #define CHAR_MAX UCHAR_MAX
  30 #else
  31  #define CHAR_MIN SCHAR_MIN
  32  #define CHAR_MAX SCHAR_MAX
  33 #endif /* _CHAR_UNSIGNED */
  34
  35 #define MB_LEN_MAX 5
  36 #define SHRT_MIN (-32768)
  37 #define SHRT_MAX 32767
  38 #define USHRT_MAX 0xffff
  39 #define INT_MIN (-2147483647 - 1)
  40 #define INT_MAX 2147483647
  41 #define UINT_MAX 0xffffffff
  42 #define LONG_MIN (-2147483647L - 1)
  43 #define LONG_MAX 2147483647L
  44 #define ULONG_MAX 0xffffffffUL
  45 #define LLONG_MAX 9223372036854775807LL
  46 #define LLONG_MIN (-9223372036854775807LL - 1)
  47 #define ULLONG_MAX 0xffffffffffffffffULL
  48
  49 #define _I8_MIN ((signed char)(-127 - 1))
  50 #define _I8_MAX ((signed char)127)
  51 #define _UI8_MAX ((unsigned char)0xff)
  52
  53 #define _I16_MIN ((short)(-32767 - 1))
  54 #define _I16_MAX ((short)32767)
  55 #define _UI16_MAX ((unsigned short)0xffffU)
  56
  57 #define _I32_MIN (-2147483647 - 1)
  58 #define _I32_MAX 2147483647
  59 #define _UI32_MAX 0xffffffffu
  60
  61 #define _I64_MIN (-9223372036854775807LL - 1)
  62 #define _I64_MAX 9223372036854775807LL
  63 #define _UI64_MAX 0xffffffffffffffffULL
  64
  65 #if defined(_MSC_VER) && (_INTEGRAL_MAX_BITS >= 128)
  66 #define _I128_MIN (-170141183460469231731687303715884105727i128 - 1)
  67 #define _I128_MAX 170141183460469231731687303715884105727i128
  68 #define _UI128_MAX 0xffffffffffffffffffffffffffffffffui128
  69 #endif
  70
  71 #ifndef SIZE_MAX
  72 #ifdef _WIN64
  73 #define SIZE_MAX _UI64_MAX
  74 #else
  75 #define SIZE_MAX UINT_MAX
  76 #endif
  77 #endif /* SIZE_MAX */
  78
  79 #if __STDC_WANT_SECURE_LIB__
  80 #ifndef RSIZE_MAX
  81 #define RSIZE_MAX SIZE_MAX
  82 #endif /* RSIZE_MAX */
  83 #endif /* __STDC_WANT_SECURE_LIB__ */
  84
  85 #endif /* _INC_LIMITS */