inttypes.h

Public Functions

imaxdiv(intmax_t numer, intmax_t denom)

  1
  2// ISO C9x  compliant inttypes.h for Microsoft Visual Studio
  3// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124 
  4// 
  5//  Copyright (c) 2006-2013 Alexander Chemeris
  6// 
  7// Redistribution and use in source and binary forms, with or without
  8// modification, are permitted provided that the following conditions are met:
  9// 
 10//   1. Redistributions of source code must retain the above copyright notice,
 11//      this list of conditions and the following disclaimer.
 12// 
 13//   2. Redistributions in binary form must reproduce the above copyright
 14//      notice, this list of conditions and the following disclaimer in the
 15//      documentation and/or other materials provided with the distribution.
 16// 
 17//   3. Neither the name of the product nor the names of its contributors may
 18//      be used to endorse or promote products derived from this software
 19//      without specific prior written permission.
 20// 
 21// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 22// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 23// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 24// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 25// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 26// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 27// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
 28// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 29// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 30// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 31// 
 32///////////////////////////////////////////////////////////////////////////////
 33
 34// The above software in this distribution may have been modified by 
 35// THL A29 Limited ("Tencent Modifications"). 
 36// All Tencent Modifications are Copyright (C) 2015 THL A29 Limited.
 37
 38#ifndef _MSC_VER // [
 39#error "Use this header only with Microsoft Visual C++ compilers!"
 40#endif // _MSC_VER ]
 41
 42#ifndef _MSC_INTTYPES_H_ // [
 43#define _MSC_INTTYPES_H_
 44
 45#if _MSC_VER > 1000
 46#pragma once
 47#endif
 48
 49#include "stdint.h"
 50
 51// miloyip: VC supports inttypes.h since VC2013
 52#if _MSC_VER >= 1800
 53#include <inttypes.h>
 54#else
 55
 56// 7.8 Format conversion of integer types
 57
 58typedef struct {
 59   intmax_t quot;
 60   intmax_t rem;
 61} imaxdiv_t;
 62
 63// 7.8.1 Macros for format specifiers
 64
 65#if !defined(__cplusplus) || defined(__STDC_FORMAT_MACROS) // [   See footnote 185 at page 198
 66
 67// The fprintf macros for signed integers are:
 68#define PRId8       "d"
 69#define PRIi8       "i"
 70#define PRIdLEAST8  "d"
 71#define PRIiLEAST8  "i"
 72#define PRIdFAST8   "d"
 73#define PRIiFAST8   "i"
 74
 75#define PRId16       "hd"
 76#define PRIi16       "hi"
 77#define PRIdLEAST16  "hd"
 78#define PRIiLEAST16  "hi"
 79#define PRIdFAST16   "hd"
 80#define PRIiFAST16   "hi"
 81
 82#define PRId32       "I32d"
 83#define PRIi32       "I32i"
 84#define PRIdLEAST32  "I32d"
 85#define PRIiLEAST32  "I32i"
 86#define PRIdFAST32   "I32d"
 87#define PRIiFAST32   "I32i"
 88
 89#define PRId64       "I64d"
 90#define PRIi64       "I64i"
 91#define PRIdLEAST64  "I64d"
 92#define PRIiLEAST64  "I64i"
 93#define PRIdFAST64   "I64d"
 94#define PRIiFAST64   "I64i"
 95
 96#define PRIdMAX     "I64d"
 97#define PRIiMAX     "I64i"
 98
 99#define PRIdPTR     "Id"
100#define PRIiPTR     "Ii"
101
102// The fprintf macros for unsigned integers are:
103#define PRIo8       "o"
104#define PRIu8       "u"
105#define PRIx8       "x"
106#define PRIX8       "X"
107#define PRIoLEAST8  "o"
108#define PRIuLEAST8  "u"
109#define PRIxLEAST8  "x"
110#define PRIXLEAST8  "X"
111#define PRIoFAST8   "o"
112#define PRIuFAST8   "u"
113#define PRIxFAST8   "x"
114#define PRIXFAST8   "X"
115
116#define PRIo16       "ho"
117#define PRIu16       "hu"
118#define PRIx16       "hx"
119#define PRIX16       "hX"
120#define PRIoLEAST16  "ho"
121#define PRIuLEAST16  "hu"
122#define PRIxLEAST16  "hx"
123#define PRIXLEAST16  "hX"
124#define PRIoFAST16   "ho"
125#define PRIuFAST16   "hu"
126#define PRIxFAST16   "hx"
127#define PRIXFAST16   "hX"
128
129#define PRIo32       "I32o"
130#define PRIu32       "I32u"
131#define PRIx32       "I32x"
132#define PRIX32       "I32X"
133#define PRIoLEAST32  "I32o"
134#define PRIuLEAST32  "I32u"
135#define PRIxLEAST32  "I32x"
136#define PRIXLEAST32  "I32X"
137#define PRIoFAST32   "I32o"
138#define PRIuFAST32   "I32u"
139#define PRIxFAST32   "I32x"
140#define PRIXFAST32   "I32X"
141
142#define PRIo64       "I64o"
143#define PRIu64       "I64u"
144#define PRIx64       "I64x"
145#define PRIX64       "I64X"
146#define PRIoLEAST64  "I64o"
147#define PRIuLEAST64  "I64u"
148#define PRIxLEAST64  "I64x"
149#define PRIXLEAST64  "I64X"
150#define PRIoFAST64   "I64o"
151#define PRIuFAST64   "I64u"
152#define PRIxFAST64   "I64x"
153#define PRIXFAST64   "I64X"
154
155#define PRIoMAX     "I64o"
156#define PRIuMAX     "I64u"
157#define PRIxMAX     "I64x"
158#define PRIXMAX     "I64X"
159
160#define PRIoPTR     "Io"
161#define PRIuPTR     "Iu"
162#define PRIxPTR     "Ix"
163#define PRIXPTR     "IX"
164
165// The fscanf macros for signed integers are:
166#define SCNd8       "d"
167#define SCNi8       "i"
168#define SCNdLEAST8  "d"
169#define SCNiLEAST8  "i"
170#define SCNdFAST8   "d"
171#define SCNiFAST8   "i"
172
173#define SCNd16       "hd"
174#define SCNi16       "hi"
175#define SCNdLEAST16  "hd"
176#define SCNiLEAST16  "hi"
177#define SCNdFAST16   "hd"
178#define SCNiFAST16   "hi"
179
180#define SCNd32       "ld"
181#define SCNi32       "li"
182#define SCNdLEAST32  "ld"
183#define SCNiLEAST32  "li"
184#define SCNdFAST32   "ld"
185#define SCNiFAST32   "li"
186
187#define SCNd64       "I64d"
188#define SCNi64       "I64i"
189#define SCNdLEAST64  "I64d"
190#define SCNiLEAST64  "I64i"
191#define SCNdFAST64   "I64d"
192#define SCNiFAST64   "I64i"
193
194#define SCNdMAX     "I64d"
195#define SCNiMAX     "I64i"
196
197#ifdef _WIN64 // [
198#  define SCNdPTR     "I64d"
199#  define SCNiPTR     "I64i"
200#else  // _WIN64 ][
201#  define SCNdPTR     "ld"
202#  define SCNiPTR     "li"
203#endif  // _WIN64 ]
204
205// The fscanf macros for unsigned integers are:
206#define SCNo8       "o"
207#define SCNu8       "u"
208#define SCNx8       "x"
209#define SCNX8       "X"
210#define SCNoLEAST8  "o"
211#define SCNuLEAST8  "u"
212#define SCNxLEAST8  "x"
213#define SCNXLEAST8  "X"
214#define SCNoFAST8   "o"
215#define SCNuFAST8   "u"
216#define SCNxFAST8   "x"
217#define SCNXFAST8   "X"
218
219#define SCNo16       "ho"
220#define SCNu16       "hu"
221#define SCNx16       "hx"
222#define SCNX16       "hX"
223#define SCNoLEAST16  "ho"
224#define SCNuLEAST16  "hu"
225#define SCNxLEAST16  "hx"
226#define SCNXLEAST16  "hX"
227#define SCNoFAST16   "ho"
228#define SCNuFAST16   "hu"
229#define SCNxFAST16   "hx"
230#define SCNXFAST16   "hX"
231
232#define SCNo32       "lo"
233#define SCNu32       "lu"
234#define SCNx32       "lx"
235#define SCNX32       "lX"
236#define SCNoLEAST32  "lo"
237#define SCNuLEAST32  "lu"
238#define SCNxLEAST32  "lx"
239#define SCNXLEAST32  "lX"
240#define SCNoFAST32   "lo"
241#define SCNuFAST32   "lu"
242#define SCNxFAST32   "lx"
243#define SCNXFAST32   "lX"
244
245#define SCNo64       "I64o"
246#define SCNu64       "I64u"
247#define SCNx64       "I64x"
248#define SCNX64       "I64X"
249#define SCNoLEAST64  "I64o"
250#define SCNuLEAST64  "I64u"
251#define SCNxLEAST64  "I64x"
252#define SCNXLEAST64  "I64X"
253#define SCNoFAST64   "I64o"
254#define SCNuFAST64   "I64u"
255#define SCNxFAST64   "I64x"
256#define SCNXFAST64   "I64X"
257
258#define SCNoMAX     "I64o"
259#define SCNuMAX     "I64u"
260#define SCNxMAX     "I64x"
261#define SCNXMAX     "I64X"
262
263#ifdef _WIN64 // [
264#  define SCNoPTR     "I64o"
265#  define SCNuPTR     "I64u"
266#  define SCNxPTR     "I64x"
267#  define SCNXPTR     "I64X"
268#else  // _WIN64 ][
269#  define SCNoPTR     "lo"
270#  define SCNuPTR     "lu"
271#  define SCNxPTR     "lx"
272#  define SCNXPTR     "lX"
273#endif  // _WIN64 ]
274
275#endif // __STDC_FORMAT_MACROS ]
276
277// 7.8.2 Functions for greatest-width integer types
278
279// 7.8.2.1 The imaxabs function
280#define imaxabs _abs64
281
282// 7.8.2.2 The imaxdiv function
283
284// This is modified version of div() function from Microsoft's div.c found
285// in %MSVC.NET%\crt\src\div.c
286#ifdef STATIC_IMAXDIV // [
287static
288#else // STATIC_IMAXDIV ][
289_inline
290#endif // STATIC_IMAXDIV ]
291imaxdiv_t __cdecl imaxdiv(intmax_t numer, intmax_t denom)
292{
293   imaxdiv_t result;
294
295   result.quot = numer / denom;
296   result.rem = numer % denom;
297
298   if (numer < 0 && result.rem > 0) {
299      // did division wrong; must fix up
300      ++result.quot;
301      result.rem -= denom;
302   }
303
304   return result;
305}
306
307// 7.8.2.3 The strtoimax and strtoumax functions
308#define strtoimax _strtoi64
309#define strtoumax _strtoui64
310
311// 7.8.2.4 The wcstoimax and wcstoumax functions
312#define wcstoimax _wcstoi64
313#define wcstoumax _wcstoui64
314
315#endif // _MSC_VER >= 1800
316
317#endif // _MSC_INTTYPES_H_ ]
318