int64.h

   1 /*
   2  * int64.h
   3  *
   4  * Home page of code is: http://smartmontools.sourceforge.net
   5  *
   6  * Copyright (C) 2002-6 Bruce Allen <smartmontools-support@lists.sourceforge.net>
   7  * Copyright (C) 2004-6 Christian Franke
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2, or (at your option)
  12  * any later version.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * (for example COPYING); if not, write to the Free
  16  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  *
  18  */
  19
  20 #ifndef INT64_H_
  21 #define INT64_H_
  22
  23 #define INT64_H_CVSID "$Id: int64.h,v 1.13 2006/04/12 14:54:28 ballen4705 Exp $\n"
  24
  25 // 64 bit integer typedefs
  26
  27 #ifdef HAVE_INTTYPES_H
  28 #include <inttypes.h>
  29 #else
  30 #ifdef HAVE_STDINT_H
  31 #include <stdint.h>
  32 #else
  33 #ifdef HAVE_SYS_INTTYPES_H
  34 #include <sys/inttypes.h>
  35 #else
  36 #ifdef HAVE_SYS_INT_TYPES_H
  37 #include <sys/int_types.h>
  38 #else
  39 #if defined(_WIN32) && defined(_MSC_VER)
  40 // for MSVC 6.0
  41 typedef          __int64    int64_t;
  42 typedef unsigned __int64   uint64_t;
  43 #else
  44 // for systems with above includes missing (like ix86-pc-linux-gnulibc1),
  45 // default to GCC if types are undefined in types.h
  46 #include <sys/types.h>
  47 #ifndef HAVE_INT64_T
  48 typedef          long long  int64_t;
  49 #endif
  50 #ifndef HAVE_UINT64_T
  51 typedef unsigned long long uint64_t;
  52 #endif
  53 #endif // _WIN32 && _MSC_VER
  54 #endif // HAVE_SYS_INT_TYPES_H
  55 #endif // HAVE_SYS_INTTYPES_H
  56 #endif // HAVE_STDINT_H
  57 #endif // HAVE_INTTYPES_H
  58
  59 // 64 bit integer format strings
  60
  61 #if defined(_WIN32) && defined(_MSC_VER)
  62 // for MSVC 6.0
  63 #define PRId64 "I64d"
  64 #define PRIu64 "I64u"
  65 #define PRIx64 "I64x"
  66 #endif // _WIN32 && _MSC_VER
  67
  68 // If macros not defined in inttypes.h, fix here.  Default is GCC
  69 // style
  70 #ifndef PRId64
  71 #define PRId64 "lld"
  72 #endif // ndef PRId64
  73
  74 #ifndef PRIu64
  75 #define PRIu64 "llu"
  76 #endif // ndef PRIu64
  77
  78 #ifndef PRIx64
  79 #define PRIx64 "llx"
  80 #endif // ndef PRIx64
  81
  82
  83 #if defined(_WIN32) && defined(_MSC_VER)
  84 // for MSVC 6.0: "unsigned __int64 -> double" conversion not implemented (why?-)
  85 __inline double uint64_to_double(uint64_t ull) {
  86   return ((int64_t)ull >= 0 ? (double)(int64_t)ull :
  87     ((double)(int64_t)(ull - 9223372036854775808UI64)) + 9223372036854775808.0);
  88 }
  89 #else
  90 #define uint64_to_double(ull) ((double)(ull))
  91 #endif // _WIN32 && _MSC_VER
  92
  93
  94 #endif // INT64_H