boost/cstdint.hpp
// boost cstdint.hpp header file ------------------------------------------// // (C) Copyright Beman Dawes 1999. // (C) Copyright Jens Mauer 2001 // (C) Copyright John Maddock 2001 // Distributed under the Boost // Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // See http://www.boost.org/libs/integer for documentation. // Revision History // 31 Oct 01 use BOOST_HAS_LONG_LONG to check for "long long" (Jens M.) // 16 Apr 01 check LONGLONG_MAX when looking for "long long" (Jens Maurer) // 23 Jan 01 prefer "long" over "int" for int32_t and intmax_t (Jens Maurer) // 12 Nov 00 Merged <boost/stdint.h> (Jens Maurer) // 23 Sep 00 Added INTXX_C macro support (John Maddock). // 22 Sep 00 Better 64-bit support (John Maddock) // 29 Jun 00 Reimplement to avoid including stdint.h within namespace boost // 8 Aug 99 Initial version (Beman Dawes) #ifndef BOOST_CSTDINT_HPP #define BOOST_CSTDINT_HPP #include <boost/config.hpp> #ifdef BOOST_HAS_STDINT_H // The following #include is an implementation artifact; not part of interface. # ifdef __hpux // HP-UX has a vaguely nice <stdint.h> in a non-standard location # include <inttypes.h> # ifdef __STDC_32_MODE__ // this is triggered with GCC, because it defines __cplusplus < 199707L # define BOOST_NO_INT64_T # endif # elif defined(__FreeBSD__) || defined(__IBMCPP__) # include <inttypes.h> # else # include <stdint.h> // There is a bug in Cygwin two _C macros # if defined(__STDC_CONSTANT_MACROS) && defined(__CYGWIN__) # undef INTMAX_C # undef UINTMAX_C # define INTMAX_C(c) c##LL # define UINTMAX_C(c) c##ULL # endif # endif #ifdef __QNX__ // QNX (Dinkumware stdlib) defines these as non-standard names. // Reflect to the standard names. typedef ::intleast8_t int_least8_t; typedef ::intfast8_t int_fast8_t; typedef ::uintleast8_t uint_least8_t; typedef ::uintfast8_t uint_fast8_t; typedef ::intleast16_t int_least16_t; typedef ::intfast16_t int_fast16_t; typedef ::uintleast16_t uint_least16_t; typedef ::uintfast16_t uint_fast16_t; typedef ::intleast32_t int_least32_t; typedef ::intfast32_t int_fast32_t; typedef ::uintleast32_t uint_least32_t; typedef ::uintfast32_t uint_fast32_t; # ifndef BOOST_NO_INT64_T typedef ::intleast64_t int_least64_t; typedef ::intfast64_t int_fast64_t; typedef ::uintleast64_t uint_least64_t; typedef ::uintfast64_t uint_fast64_t; # endif #endif namespace boost { using ::int8_t; using ::int_least8_t; using ::int_fast8_t; using ::uint8_t; using ::uint_least8_t; using ::uint_fast8_t; using ::int16_t; using ::int_least16_t; using ::int_fast16_t; using ::uint16_t; using ::uint_least16_t; using ::uint_fast16_t; using ::int32_t; using ::int_least32_t; using ::int_fast32_t; using ::uint32_t; using ::uint_least32_t; using ::uint_fast32_t; # ifndef BOOST_NO_INT64_T using ::int64_t; using ::int_least64_t; using ::int_fast64_t; using ::uint64_t; using ::uint_least64_t; using ::uint_fast64_t; # endif using ::intmax_t; using ::uintmax_t; } // namespace boost #elif defined(__FreeBSD__) && (__FreeBSD__ <= 4) || defined(__osf__) // FreeBSD and Tru64 have an <inttypes.h> that contains much of what we need. # include <inttypes.h> namespace boost { using ::int8_t; typedef int8_t int_least8_t; typedef int8_t int_fast8_t; using ::uint8_t; typedef uint8_t uint_least8_t; typedef uint8_t uint_fast8_t; using ::int16_t; typedef int16_t int_least16_t; typedef int16_t int_fast16_t; using ::uint16_t; typedef uint16_t uint_least16_t; typedef uint16_t uint_fast16_t; using ::int32_t; typedef int32_t int_least32_t; typedef int32_t int_fast32_t; using ::uint32_t; typedef uint32_t uint_least32_t; typedef uint32_t uint_fast32_t; # ifndef BOOST_NO_INT64_T using ::int64_t; typedef int64_t int_least64_t; typedef int64_t int_fast64_t; using ::uint64_t; typedef uint64_t uint_least64_t; typedef uint64_t uint_fast64_t; typedef int64_t intmax_t; typedef uint64_t uintmax_t; # else typedef int32_t intmax_t; typedef uint32_t uintmax_t; # endif } // namespace boost #else // BOOST_HAS_STDINT_H # include <boost/limits.hpp> // implementation artifact; not part of interface # include <limits.h> // needed for limits macros namespace boost { // These are fairly safe guesses for some 16-bit, and most 32-bit and 64-bit // platforms. For other systems, they will have to be hand tailored. // // Because the fast types are assumed to be the same as the undecorated types, // it may be possible to hand tailor a more efficient implementation. Such // an optimization may be illusionary; on the Intel x86-family 386 on, for // example, byte arithmetic and load/stores are as fast as "int" sized ones. // 8-bit types ------------------------------------------------------------// # if UCHAR_MAX == 0xff typedef signed char int8_t; typedef signed char int_least8_t; typedef signed char int_fast8_t; typedef unsigned char uint8_t; typedef unsigned char uint_least8_t; typedef unsigned char uint_fast8_t; # else # error defaults not correct; you must hand modify boost/cstdint.hpp # endif // 16-bit types -----------------------------------------------------------// # if USHRT_MAX == 0xffff # if defined(__crayx1) // The Cray X1 has a 16-bit short, however it is not recommend // for use in performance critical code. typedef short int16_t; typedef short int_least16_t; typedef int int_fast16_t; typedef unsigned short uint16_t; typedef unsigned short uint_least16_t; typedef unsigned int uint_fast16_t; # else typedef short int16_t; typedef short int_least16_t; typedef short int_fast16_t; typedef unsigned short uint16_t; typedef unsigned short uint_least16_t; typedef unsigned short uint_fast16_t; # endif # elif (USHRT_MAX == 0xffffffff) && defined(CRAY) // no 16-bit types on Cray: typedef short int_least16_t; typedef short int_fast16_t; typedef unsigned short uint_least16_t; typedef unsigned short uint_fast16_t; # else # error defaults not correct; you must hand modify boost/cstdint.hpp # endif // 32-bit types -----------------------------------------------------------// # if ULONG_MAX == 0xffffffff typedef long int32_t; typedef long int_least32_t; typedef long int_fast32_t; typedef unsigned long uint32_t; typedef unsigned long uint_least32_t; typedef unsigned long uint_fast32_t; # elif UINT_MAX == 0xffffffff typedef int int32_t; typedef int int_least32_t; typedef int int_fast32_t; typedef unsigned int uint32_t; typedef unsigned int uint_least32_t; typedef unsigned int uint_fast32_t; # else # error defaults not correct; you must hand modify boost/cstdint.hpp # endif // 64-bit types + intmax_t and uintmax_t ----------------------------------// # if defined(BOOST_HAS_LONG_LONG) && \ !defined(BOOST_MSVC) && !defined(__BORLANDC__) && \ (!defined(__GLIBCPP__) || defined(_GLIBCPP_USE_LONG_LONG)) && \ (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX)) # if defined(__hpux) // HP-UX's value of ULONG_LONG_MAX is unusable in preprocessor expressions # elif (defined(ULLONG_MAX) && ULLONG_MAX == 18446744073709551615ULL) || (defined(ULONG_LONG_MAX) && ULONG_LONG_MAX == 18446744073709551615ULL) || (defined(ULONGLONG_MAX) && ULONGLONG_MAX == 18446744073709551615ULL) // 2**64 - 1 # else # error defaults not correct; you must hand modify boost/cstdint.hpp # endif typedef ::boost::long_long_type intmax_t; typedef ::boost::ulong_long_type uintmax_t; typedef ::boost::long_long_type int64_t; typedef ::boost::long_long_type int_least64_t; typedef ::boost::long_long_type int_fast64_t; typedef ::boost::ulong_long_type uint64_t; typedef ::boost::ulong_long_type uint_least64_t; typedef ::boost::ulong_long_type uint_fast64_t; # elif ULONG_MAX != 0xffffffff # if ULONG_MAX == 18446744073709551615 // 2**64 - 1 typedef long intmax_t; typedef unsigned long uintmax_t; typedef long int64_t; typedef long int_least64_t; typedef long int_fast64_t; typedef unsigned long uint64_t; typedef unsigned long uint_least64_t; typedef unsigned long uint_fast64_t; # else # error defaults not correct; you must hand modify boost/cstdint.hpp # endif # elif defined(__GNUC__) && defined(BOOST_HAS_LONG_LONG) __extension__ typedef long long intmax_t; __extension__ typedef unsigned long long uintmax_t; __extension__ typedef long long int64_t; __extension__ typedef long long int_least64_t; __extension__ typedef long long int_fast64_t; __extension__ typedef unsigned long long uint64_t; __extension__ typedef unsigned long long uint_least64_t; __extension__ typedef unsigned long long uint_fast64_t; # elif defined(BOOST_HAS_MS_INT64) // // we have Borland/Intel/Microsoft __int64: // typedef __int64 intmax_t; typedef unsigned __int64 uintmax_t; typedef __int64 int64_t; typedef __int64 int_least64_t; typedef __int64 int_fast64_t; typedef unsigned __int64 uint64_t; typedef unsigned __int64 uint_least64_t; typedef unsigned __int64 uint_fast64_t; # else // assume no 64-bit integers # define BOOST_NO_INT64_T typedef int32_t intmax_t; typedef uint32_t uintmax_t; # endif } // namespace boost #endif // BOOST_HAS_STDINT_H #endif // BOOST_CSTDINT_HPP /**************************************************** Macro definition section: Define various INTXX_C macros only if __STDC_CONSTANT_MACROS is defined. Undefine the macros if __STDC_CONSTANT_MACROS is not defined and the macros are (cf <cassert>). Added 23rd September 2000 (John Maddock). Modified 11th September 2001 to be excluded when BOOST_HAS_STDINT_H is defined (John Maddock). ******************************************************/ #if defined(__STDC_CONSTANT_MACROS) && !defined(BOOST__STDC_CONSTANT_MACROS_DEFINED) && !defined(BOOST_HAS_STDINT_H) # define BOOST__STDC_CONSTANT_MACROS_DEFINED # if defined(BOOST_HAS_MS_INT64) // // Borland/Intel/Microsoft compilers have width specific suffixes: // # define INT8_C(value) value##i8 # define INT16_C(value) value##i16 # define INT32_C(value) value##i32 # define INT64_C(value) value##i64 # ifdef __BORLANDC__ // Borland bug: appending ui8 makes the type a signed char # define UINT8_C(value) static_cast<unsigned char>(value##u) # else # define UINT8_C(value) value##ui8 # endif # define UINT16_C(value) value##ui16 # define UINT32_C(value) value##ui32 # define UINT64_C(value) value##ui64 # define INTMAX_C(value) value##i64 # define UINTMAX_C(value) value##ui64 # else // do it the old fashioned way: // 8-bit types ------------------------------------------------------------// # if UCHAR_MAX == 0xff # define INT8_C(value) static_cast<boost::int8_t>(value) # define UINT8_C(value) static_cast<boost::uint8_t>(value##u) # endif // 16-bit types -----------------------------------------------------------// # if USHRT_MAX == 0xffff # define INT16_C(value) static_cast<boost::int16_t>(value) # define UINT16_C(value) static_cast<boost::uint16_t>(value##u) # endif // 32-bit types -----------------------------------------------------------// # if UINT_MAX == 0xffffffff # define INT32_C(value) value # define UINT32_C(value) value##u # elif ULONG_MAX == 0xffffffff # define INT32_C(value) value##L # define UINT32_C(value) value##uL # endif // 64-bit types + intmax_t and uintmax_t ----------------------------------// # if defined(BOOST_HAS_LONG_LONG) && \ (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX)) # if defined(__hpux) // HP-UX's value of ULONG_LONG_MAX is unusable in preprocessor expressions # elif (defined(ULLONG_MAX) && ULLONG_MAX == 18446744073709551615U) || \ (defined(ULONG_LONG_MAX) && ULONG_LONG_MAX == 18446744073709551615U) || \ (defined(ULONGLONG_MAX) && ULONGLONG_MAX == 18446744073709551615U) # else # error defaults not correct; you must hand modify boost/cstdint.hpp # endif # define INT64_C(value) value##LL # define UINT64_C(value) value##uLL # elif ULONG_MAX != 0xffffffff # if ULONG_MAX == 18446744073709551615 // 2**64 - 1 # define INT64_C(value) value##L # define UINT64_C(value) value##uL # else # error defaults not correct; you must hand modify boost/cstdint.hpp # endif # endif # ifdef BOOST_NO_INT64_T # define INTMAX_C(value) INT32_C(value) # define UINTMAX_C(value) UINT32_C(value) # else # define INTMAX_C(value) INT64_C(value) # define UINTMAX_C(value) UINT64_C(value) # endif # endif // Borland/Microsoft specific width suffixes #elif defined(BOOST__STDC_CONSTANT_MACROS_DEFINED) && !defined(__STDC_CONSTANT_MACROS) && !defined(BOOST_HAS_STDINT_H) // // undef all the macros: // # undef INT8_C # undef INT16_C # undef INT32_C # undef INT64_C # undef UINT8_C # undef UINT16_C # undef UINT32_C # undef UINT64_C # undef INTMAX_C # undef UINTMAX_C #endif // __STDC_CONSTANT_MACROS_DEFINED etc.