inttypes.h和stdint.h头文件

#ifndef _INTTYPES_H_ALL_ #define _INTTYPES_H_ALL_ // _INTTYPES_H_SYS_: 编译器是否提供了<inttypes.h> #undef _INTTYPES_H_SYS_ #if defined(__GNUC__) // GCC. #define _INTTYPES_H_SYS_ #elif defined(_MSC_VER) // MSVC. VC2010仍不支持. #elif defined(__BORLANDC__) // BCB. BCB6仍不支持. #else #define _INTTYPES_H_SYS_ // 假设其他编译器支持C99. #endif // _INTTYPES_H_SYS_ #ifdef _INTTYPES_H_SYS_ // 使用编译器提供的<inttypes.h> #include <inttypes.h> #else // 采用自定义的inttypes.h. 参考了 msinttypes: http://code.google.com/p/msinttypes/ #ifndef _MSC_INTTYPES_H_ // [ #define _MSC_INTTYPES_H_ #include "stdint.h" // 7.8 Format conversion of integer types typedef struct { intmax_t quot; intmax_t rem; } imaxdiv_t; // 7.8.1 Macros for format specifiers #if !defined(__cplusplus) || defined(__STDC_FORMAT_MACROS) // [ See footnote 185 at page 198 // The fprintf macros for signed integers are: #define PRId8 "d" #define PRIi8 "i" #define PRIdLEAST8 "d" #define PRIiLEAST8 "i" #define PRIdFAST8 "d" #define PRIiFAST8 "i" #define PRId16 "hd" #define PRIi16 "hi" #define PRIdLEAST16 "hd" #define PRIiLEAST16 "hi" #define PRIdFAST16 "hd" #define PRIiFAST16 "hi" #if defined(_MSC_VER) && _MSC_VER<=1200 // VC6 #define PRId32 "d" #define PRIi32 "i" #define PRIdLEAST32 "d" #define PRIiLEAST32 "i" #define PRIdFAST32 "d" #define PRIiFAST32 "i" #else #define PRId32 "I32d" #define PRIi32 "I32i" #define PRIdLEAST32 "I32d" #define PRIiLEAST32 "I32i" #define PRIdFAST32 "I32d" #define PRIiFAST32 "I32i" #endif #define PRId64 "I64d" #define PRIi64 "I64i" #define PRIdLEAST64 "I64d" #define PRIiLEAST64 "I64i" #define PRIdFAST64 "I64d" #define PRIiFAST64 "I64i" #define PRIdMAX "I64d" #define PRIiMAX "I64i" #define PRIdPTR "Id" #define PRIiPTR "Ii" // The fprintf macros for unsigned integers are: #define PRIo8 "o" #define PRIu8 "u" #define PRIx8 "x" #define PRIX8 "X" #define PRIoLEAST8 "o" #define PRIuLEAST8 "u" #define PRIxLEAST8 "x" #define PRIXLEAST8 "X" #define PRIoFAST8 "o" #define PRIuFAST8 "u" #define PRIxFAST8 "x" #define PRIXFAST8 "X" #define PRIo16 "ho" #define PRIu16 "hu" #define PRIx16 "hx" #define PRIX16 "hX" #define PRIoLEAST16 "ho" #define PRIuLEAST16 "hu" #define PRIxLEAST16 "hx" #define PRIXLEAST16 "hX" #define PRIoFAST16 "ho" #define PRIuFAST16 "hu" #define PRIxFAST16 "hx" #define PRIXFAST16 "hX" #if defined(_MSC_VER) && _MSC_VER<=1200 // VC6 #define PRIo32 "o" #define PRIu32 "u" #define PRIx32 "x" #define PRIX32 "X" #define PRIoLEAST32 "o" #define PRIuLEAST32 "u" #define PRIxLEAST32 "x" #define PRIXLEAST32 "X" #define PRIoFAST32 "o" #define PRIuFAST32 "u" #define PRIxFAST32 "x" #define PRIXFAST32 "X" #else #define PRIo32 "I32o" #define PRIu32 "I32u" #define PRIx32 "I32x" #define PRIX32 "I32X" #define PRIoLEAST32 "I32o" #define PRIuLEAST32 "I32u" #define PRIxLEAST32 "I32x" #define PRIXLEAST32 "I32X" #define PRIoFAST32 "I32o" #define PRIuFAST32 "I32u" #define PRIxFAST32 "I32x" #define PRIXFAST32 "I32X" #endif #define PRIo64 "I64o" #define PRIu64 "I64u" #define PRIx64 "I64x" #define PRIX64 "I64X" #define PRIoLEAST64 "I64o" #define PRIuLEAST64 "I64u" #define PRIxLEAST64 "I64x" #define PRIXLEAST64 "I64X" #define PRIoFAST64 "I64o" #define PRIuFAST64 "I64u" #define PRIxFAST64 "I64x" #define PRIXFAST64 "I64X" #define PRIoMAX "I64o" #define PRIuMAX "I64u" #define PRIxMAX "I64x" #define PRIXMAX "I64X" #define PRIoPTR "Io" #define PRIuPTR "Iu" #define PRIxPTR "Ix" #define PRIXPTR "IX" // The fscanf macros for signed integers are: #define SCNd8 "d" #define SCNi8 "i" #define SCNdLEAST8 "d" #define SCNiLEAST8 "i" #define SCNdFAST8 "d" #define SCNiFAST8 "i" #define SCNd16 "hd" #define SCNi16 "hi" #define SCNdLEAST16 "hd" #define SCNiLEAST16 "hi" #define SCNdFAST16 "hd" #define SCNiFAST16 "hi" #define SCNd32 "ld" #define SCNi32 "li" #define SCNdLEAST32 "ld" #define SCNiLEAST32 "li" #define SCNdFAST32 "ld" #define SCNiFAST32 "li" #define SCNd64 "I64d" #define SCNi64 "I64i" #define SCNdLEAST64 "I64d" #define SCNiLEAST64 "I64i" #define SCNdFAST64 "I64d" #define SCNiFAST64 "I64i" #define SCNdMAX "I64d" #define SCNiMAX "I64i" #ifdef _WIN64 // [ # define SCNdPTR "I64d" # define SCNiPTR "I64i" #else // _WIN64 ][ # define SCNdPTR "ld" # define SCNiPTR "li" #endif // _WIN64 ] // The fscanf macros for unsigned integers are: #define SCNo8 "o" #define SCNu8 "u" #define SCNx8 "x" #define SCNX8 "X" #define SCNoLEAST8 "o" #define SCNuLEAST8 "u" #define SCNxLEAST8 "x" #define SCNXLEAST8 "X" #define SCNoFAST8 "o" #define SCNuFAST8 "u" #define SCNxFAST8 "x" #define SCNXFAST8 "X" #define SCNo16 "ho" #define SCNu16 "hu" #define SCNx16 "hx" #define SCNX16 "hX" #define SCNoLEAST16 "ho" #define SCNuLEAST16 "hu" #define SCNxLEAST16 "hx" #define SCNXLEAST16 "hX" #define SCNoFAST16 "ho" #define SCNuFAST16 "hu" #define SCNxFAST16 "hx" #define SCNXFAST16 "hX" #define SCNo32 "lo" #define SCNu32 "lu" #define SCNx32 "lx" #define SCNX32 "lX" #define SCNoLEAST32 "lo" #define SCNuLEAST32 "lu" #define SCNxLEAST32 "lx" #define SCNXLEAST32 "lX" #define SCNoFAST32 "lo" #define SCNuFAST32 "lu" #define SCNxFAST32 "lx" #define SCNXFAST32 "lX" #define SCNo64 "I64o" #define SCNu64 "I64u" #define SCNx64 "I64x" #define SCNX64 "I64X" #define SCNoLEAST64 "I64o" #define SCNuLEAST64 "I64u" #define SCNxLEAST64 "I64x" #define SCNXLEAST64 "I64X" #define SCNoFAST64 "I64o" #define SCNuFAST64 "I64u" #define SCNxFAST64 "I64x" #define SCNXFAST64 "I64X" #define SCNoMAX "I64o" #define SCNuMAX "I64u" #define SCNxMAX "I64x" #define SCNXMAX "I64X" #ifdef _WIN64 // [ # define SCNoPTR "I64o" # define SCNuPTR "I64u" # define SCNxPTR "I64x" # define SCNXPTR "I64X" #else // _WIN64 ][ # define SCNoPTR "lo" # define SCNuPTR "lu" # define SCNxPTR "lx" # define SCNXPTR "lX" #endif // _WIN64 ] #endif // __STDC_FORMAT_MACROS ] // 7.8.2 Functions for greatest-width integer types // 7.8.2.1 The imaxabs function #define imaxabs _abs64 // 7.8.2.2 The imaxdiv function #ifdef _MSC_VER // This is modified version of div() function from Microsoft's div.c found // in %MSVC.NET%\crt\src\div.c #ifdef STATIC_IMAXDIV // [ static #else // STATIC_IMAXDIV ][ _inline #endif // STATIC_IMAXDIV ] imaxdiv_t __cdecl imaxdiv(intmax_t numer, intmax_t denom) { imaxdiv_t result; result.quot = numer / denom; result.rem = numer % denom; if (numer < 0 && result.rem > 0) { // did division wrong; must fix up ++result.quot; result.rem -= denom; } return result; } #endif // #ifdef _MSC_VER // 7.8.2.3 The strtoimax and strtoumax functions #define strtoimax _strtoi64 #define strtoumax _strtoui64 // 7.8.2.4 The wcstoimax and wcstoumax functions #define wcstoimax _wcstoi64 #define wcstoumax _wcstoui64 #endif // _MSC_INTTYPES_H_ ] #endif // #ifdef _INTTYPES_H_SYS_ #endif // #ifndef _INTTYPES_H_ALL_