ubuntu/vbox/include/iprt/nocrt/limits.h

   1 /** @file
   2  * IPRT / No-CRT - Our own limits header.
   3  */
   4
   5 /*
   6  * Copyright (C) 2006-2016 Oracle Corporation
   7  *
   8  * This file is part of VirtualBox Open Source Edition (OSE), as
   9  * available from http://www.virtualbox.org. This file is free software;
  10  * you can redistribute it and/or modify it under the terms of the GNU
  11  * General Public License (GPL) as published by the Free Software
  12  * Foundation, in version 2 as it comes in the "COPYING" file of the
  13  * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
  14  * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
  15  *
  16  * The contents of this file may alternatively be used under the terms
  17  * of the Common Development and Distribution License Version 1.0
  18  * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
  19  * VirtualBox OSE distribution, in which case the provisions of the
  20  * CDDL are applicable instead of those of the GPL.
  21  *
  22  * You may elect to license modified versions of this file under the
  23  * terms and conditions of either the GPL or the CDDL or both.
  24  */
  25
  26 #ifndef ___iprt_nocrt_limits_h
  27 #define ___iprt_nocrt_limits_h
  28
  29 #include <iprt/types.h>
  30
  31 #define CHAR_BIT        8
  32 #define SCHAR_MAX       0x7f
  33 #define SCHAR_MIN       (-0x7f - 1)
  34 #define UCHAR_MAX       0xff
  35 #if 1 /* ASSUMES: signed char */
  36 # define CHAR_MAX       SCHAR_MAX
  37 # define CHAR_MIN       SCHAR_MIN
  38 #else
  39 # define CHAR_MAX       UCHAR_MAX
  40 # define CHAR_MIN       0
  41 #endif
  42
  43 #define WORD_BIT        16
  44 #define USHRT_MAX       0xffff
  45 #define SHRT_MAX        0x7fff
  46 #define SHRT_MIN        (-0x7fff - 1)
  47
  48 /* ASSUMES 32-bit int */
  49 #define UINT_MAX        0xffffffffU
  50 #define INT_MAX         0x7fffffff
  51 #define INT_MIN         (-0x7fffffff - 1)
  52
  53 #if defined(RT_ARCH_X86) || defined(RT_OS_WINDOWS) || defined(RT_ARCH_SPARC)
  54 # define LONG_BIT       32
  55 # define ULONG_MAX      0xffffffffU
  56 # define LONG_MAX       0x7fffffff
  57 # define LONG_MIN       (-0x7fffffff - 1)
  58 #elif defined(RT_ARCH_AMD64) || defined(RT_ARCH_SPARC64)
  59 # define LONG_BIT       64
  60 # define ULONG_MAX      UINT64_C(0xffffffffffffffff)
  61 # define LONG_MAX       INT64_C(0x7fffffffffffffff)
  62 # define LONG_MIN       (INT64_C(-0x7fffffffffffffff) - 1)
  63 #else
  64 # error "PORTME"
  65 #endif
  66
  67 #define LLONG_BIT       64
  68 #define ULLONG_MAX      UINT64_C(0xffffffffffffffff)
  69 #define LLONG_MAX       INT64_C(0x7fffffffffffffff)
  70 #define LLONG_MIN       (INT64_C(-0x7fffffffffffffff) - 1)
  71
  72 #if ARCH_BITS == 32
  73 # define SIZE_T_MAX     0xffffffffU
  74 # define SSIZE_MAX      0x7fffffff
  75 #elif ARCH_BITS == 64
  76 # define SIZE_T_MAX     UINT64_C(0xffffffffffffffff)
  77 # define SSIZE_MAX      INT64_C(0x7fffffffffffffff)
  78 #else
  79 # error "huh?"
  80 #endif
  81
  82 /*#define OFF_MAX         __OFF_MAX
  83 #define OFF_MIN         __OFF_MIN*/
  84
  85 #endif
  86