utypes.h

   1 // This file is part of the ustl library, an STL implementation.
   2 //
   3 // Copyright (C) 2005 by Mike Sharov <msharov@users.sourceforge.net>
   4 // This file is free software, distributed under the MIT License.
   5 //
   6 // utypes.h
   7 //
   8 // Types used by this library.
   9 //
  10
  11 #ifndef UTYPES_H_118BBB3B50B7DBF22F5460C52E515C83
  12 #define UTYPES_H_118BBB3B50B7DBF22F5460C52E515C83
  13
  14 #include "config.h"
  15 #ifndef STDC_HEADERS
  16     #error This library requires standard C and C++ headers to compile.
  17 #endif
  18 #ifndef STDUNIX_HEADERS
  19     #error This library compiles only on UNIX systems.
  20 #endif
  21 #define __STDC_LIMIT_MACROS     // For WCHAR_MIN and WCHAR_MAX in stdint.
  22 #define __STDC_CONSTANT_MACROS  // For UINT??_C macros to avoid using L and UL suffixes on constants.
  23 #ifdef HAVE_STDINT_H
  24     #include <stdint.h>
  25 #elif HAVE_INTTYPES_H
  26     #include <inttypes.h>
  27 #else
  28     #error Need standard integer types definitions, usually in stdint.h
  29 #endif
  30 #include <stddef.h>             // For ptrdiff_t, size_t
  31 #include <limits.h>
  32 #include <float.h>
  33 #ifdef HAVE_SYS_TYPES_H
  34     #include <sys/types.h>
  35 #endif
  36 #ifndef SIZE_MAX
  37     #define SIZE_MAX            UINT_MAX
  38 #endif
  39 #if sun || __sun                // Solaris defines UINTPTR_MAX as empty.
  40     #undef UINTPTR_MAX
  41     #define UINTPTR_MAX         ULONG_MAX
  42 #endif
  43 #ifndef WCHAR_MAX
  44     #ifdef __WCHAR_MAX__
  45         #define WCHAR_MAX       __WCHAR_MAX__
  46     #else
  47         #define WCHAR_MAX       CHAR_MAX
  48     #endif
  49 #endif
  50 #ifdef HAVE_LONG_LONG
  51     #ifndef LLONG_MAX
  52         #define ULLONG_MAX      UINT64_C(0xFFFFFFFFFFFFFFFF)
  53         #define LLONG_MAX       INT64_C(0x7FFFFFFFFFFFFFFF)
  54         #define LLONG_MIN       ULLONG_MAX
  55     #endif
  56 #endif
  57 #ifndef BYTE_ORDER
  58     #define LITTLE_ENDIAN       USTL_LITTLE_ENDIAN
  59     #define BIG_ENDIAN          USTL_BIG_ENDIAN
  60     #define BYTE_ORDER          USTL_BYTE_ORDER
  61 #endif
  62
  63 typedef size_t          uoff_t;         ///< A type for storing offsets into blocks measured by size_t.
  64 typedef uint32_t        hashvalue_t;    ///< Value type returned by the hash functions.
  65
  66 #endif
  67