mfbt/MSIntTypes.h

   1 // ISO C9x  compliant inttypes.h for Microsoft Visual Studio
   2 // Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124
   3 //
   4 //  Copyright (c) 2006 Alexander Chemeris
   5 //
   6 // Redistribution and use in source and binary forms, with or without
   7 // modification, are permitted provided that the following conditions are met:
   8 //
   9 //   1. Redistributions of source code must retain the above copyright notice,
  10 //      this list of conditions and the following disclaimer.
  11 //
  12 //   2. Redistributions in binary form must reproduce the above copyright
  13 //      notice, this list of conditions and the following disclaimer in the
  14 //      documentation and/or other materials provided with the distribution.
  15 //
  16 //   3. The name of the author may be used to endorse or promote products
  17 //      derived from this software without specific prior written permission.
  18 //
  19 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  20 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  21 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
  22 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  24 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  25 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  26 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  27 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  28 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29 //
  30 ///////////////////////////////////////////////////////////////////////////////
  31
  32 #ifndef _MSC_VER // [
  33 #error "Use this header only with Microsoft Visual C++ compilers!"
  34 #endif // _MSC_VER ]
  35
  36 #ifndef _MSC_INTTYPES_H_ // [
  37 #define _MSC_INTTYPES_H_
  38
  39 #if _MSC_VER > 1000
  40 #pragma once
  41 #endif
  42
  43 #include <stdint.h>
  44
  45 // 7.8 Format conversion of integer types
  46
  47 typedef struct {
  48    intmax_t quot;
  49    intmax_t rem;
  50 } imaxdiv_t;
  51
  52 // 7.8.1 Macros for format specifiers
  53
  54 #if !defined(__cplusplus) || defined(__STDC_FORMAT_MACROS) // [   See footnote 185 at page 198
  55
  56 // The fprintf macros for signed integers are:
  57 #define PRId8       "d"
  58 #define PRIi8       "i"
  59 #define PRIdLEAST8  "d"
  60 #define PRIiLEAST8  "i"
  61 #define PRIdFAST8   "d"
  62 #define PRIiFAST8   "i"
  63
  64 #define PRId16       "hd"
  65 #define PRIi16       "hi"
  66 #define PRIdLEAST16  "hd"
  67 #define PRIiLEAST16  "hi"
  68 #define PRIdFAST16   "hd"
  69 #define PRIiFAST16   "hi"
  70
  71 #define PRId32       "I32d"
  72 #define PRIi32       "I32i"
  73 #define PRIdLEAST32  "I32d"
  74 #define PRIiLEAST32  "I32i"
  75 #define PRIdFAST32   "I32d"
  76 #define PRIiFAST32   "I32i"
  77
  78 #define PRId64       "I64d"
  79 #define PRIi64       "I64i"
  80 #define PRIdLEAST64  "I64d"
  81 #define PRIiLEAST64  "I64i"
  82 #define PRIdFAST64   "I64d"
  83 #define PRIiFAST64   "I64i"
  84
  85 #define PRIdMAX     "I64d"
  86 #define PRIiMAX     "I64i"
  87
  88 #define PRIdPTR     "Id"
  89 #define PRIiPTR     "Ii"
  90
  91 // The fprintf macros for unsigned integers are:
  92 #define PRIo8       "o"
  93 #define PRIu8       "u"
  94 #define PRIx8       "x"
  95 #define PRIX8       "X"
  96 #define PRIoLEAST8  "o"
  97 #define PRIuLEAST8  "u"
  98 #define PRIxLEAST8  "x"
  99 #define PRIXLEAST8  "X"
 100 #define PRIoFAST8   "o"
 101 #define PRIuFAST8   "u"
 102 #define PRIxFAST8   "x"
 103 #define PRIXFAST8   "X"
 104
 105 #define PRIo16       "ho"
 106 #define PRIu16       "hu"
 107 #define PRIx16       "hx"
 108 #define PRIX16       "hX"
 109 #define PRIoLEAST16  "ho"
 110 #define PRIuLEAST16  "hu"
 111 #define PRIxLEAST16  "hx"
 112 #define PRIXLEAST16  "hX"
 113 #define PRIoFAST16   "ho"
 114 #define PRIuFAST16   "hu"
 115 #define PRIxFAST16   "hx"
 116 #define PRIXFAST16   "hX"
 117
 118 #define PRIo32       "I32o"
 119 #define PRIu32       "I32u"
 120 #define PRIx32       "I32x"
 121 #define PRIX32       "I32X"
 122 #define PRIoLEAST32  "I32o"
 123 #define PRIuLEAST32  "I32u"
 124 #define PRIxLEAST32  "I32x"
 125 #define PRIXLEAST32  "I32X"
 126 #define PRIoFAST32   "I32o"
 127 #define PRIuFAST32   "I32u"
 128 #define PRIxFAST32   "I32x"
 129 #define PRIXFAST32   "I32X"
 130
 131 #define PRIo64       "I64o"
 132 #define PRIu64       "I64u"
 133 #define PRIx64       "I64x"
 134 #define PRIX64       "I64X"
 135 #define PRIoLEAST64  "I64o"
 136 #define PRIuLEAST64  "I64u"
 137 #define PRIxLEAST64  "I64x"
 138 #define PRIXLEAST64  "I64X"
 139 #define PRIoFAST64   "I64o"
 140 #define PRIuFAST64   "I64u"
 141 #define PRIxFAST64   "I64x"
 142 #define PRIXFAST64   "I64X"
 143
 144 #define PRIoMAX     "I64o"
 145 #define PRIuMAX     "I64u"
 146 #define PRIxMAX     "I64x"
 147 #define PRIXMAX     "I64X"
 148
 149 #define PRIoPTR     "Io"
 150 #define PRIuPTR     "Iu"
 151 #define PRIxPTR     "Ix"
 152 #define PRIXPTR     "IX"
 153
 154 // DO NOT SUPPORT THE scanf MACROS!  See the comment at the top of
 155 // IntegerPrintfMacros.h.
 156
 157 #endif // __STDC_FORMAT_MACROS ]
 158
 159 // 7.8.2 Functions for greatest-width integer types
 160
 161 // 7.8.2.1 The imaxabs function
 162 #define imaxabs _abs64
 163
 164 // 7.8.2.2 The imaxdiv function
 165
 166 // This is modified version of div() function from Microsoft's div.c found
 167 // in %MSVC.NET%\crt\src\div.c
 168 #ifdef STATIC_IMAXDIV // [
 169 static
 170 #else // STATIC_IMAXDIV ][
 171 _inline
 172 #endif // STATIC_IMAXDIV ]
 173 imaxdiv_t __cdecl imaxdiv(intmax_t numer, intmax_t denom)
 174 {
 175    imaxdiv_t result;
 176
 177    result.quot = numer / denom;
 178    result.rem = numer % denom;
 179
 180    if (numer < 0 && result.rem > 0) {
 181       // did division wrong; must fix up
 182       ++result.quot;
 183       result.rem -= denom;
 184    }
 185
 186    return result;
 187 }
 188
 189 // 7.8.2.3 The strtoimax and strtoumax functions
 190 #define strtoimax _strtoi64
 191 #define strtoumax _strtoui64
 192
 193 // 7.8.2.4 The wcstoimax and wcstoumax functions
 194 #define wcstoimax _wcstoi64
 195 #define wcstoumax _wcstoui64
 196
 197
 198 #endif // _MSC_INTTYPES_H_ ]