inttype.hpp

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#pragma once
#if defined(_MSC_VER) && (MSC_VER <= 1500) && !defined(CYBOZU_DEFINED_INTXX)
    #define CYBOZU_DEFINED_INTXX
    typedef __int64 int64_t;
    typedef unsigned __int64 uint64_t;
    typedef unsigned int uint32_t;
    typedef int int32_t;
    typedef unsigned short uint16_t;
    typedef short int16_t;
    typedef unsigned char uint8_t;
    typedef signed char int8_t;
#else
    #include <stdint.h>
#endif
 
#ifdef _MSC_VER
    #ifndef CYBOZU_DEFINED_SSIZE_T
        #define CYBOZU_DEFINED_SSIZE_T
        #ifdef _WIN64
            typedef int64_t ssize_t;
        #else
            typedef int32_t ssize_t;
        #endif
    #endif
#else
    #include <unistd.h> // for ssize_t
#endif
 
#ifndef CYBOZU_ALIGN
    #ifdef _MSC_VER
        #define CYBOZU_ALIGN(x) __declspec(align(x))
    #else
        #define CYBOZU_ALIGN(x) __attribute__((aligned(x)))
    #endif
#endif
#ifndef CYBOZU_FORCE_INLINE
    #ifdef _MSC_VER
        #define CYBOZU_FORCE_INLINE __forceinline
    #else
        #define CYBOZU_FORCE_INLINE __attribute__((always_inline))
    #endif
#endif
#ifndef CYBOZU_ALLOCA
    #ifdef _MSC_VER
        #include <malloc.h>
        #define CYBOZU_ALLOCA(x) _malloca(x)
    #else
        #define CYBOZU_ALLOCA_(x) __builtin_alloca(x)
    #endif
#endif
#ifndef CYBOZU_NUM_OF_ARRAY
    #define CYBOZU_NUM_OF_ARRAY(x) (sizeof(x) / sizeof(*x))
#endif
#ifndef CYBOZU_SNPRINTF
    #if defined(_MSC_VER) && (_MSC_VER < 1900)
        #define CYBOZU_SNPRINTF(x, len, ...) (void)_snprintf_s(x, len, len - 1, __VA_ARGS__)
    #else
        #define CYBOZU_SNPRINTF(x, len, ...) (void)snprintf(x, len, __VA_ARGS__)
    #endif
#endif
 
#define CYBOZU_CPP_VERSION_CPP03 0
#define CYBOZU_CPP_VERSION_TR1 1
#define CYBOZU_CPP_VERSION_CPP11 2
 
#if (__cplusplus >= 201103) || (_MSC_VER >= 1500) || defined(__GXX_EXPERIMENTAL_CXX0X__)
    #if defined(_MSC_VER) && (_MSC_VER <= 1600)
        #define CYBOZU_CPP_VERSION CYBOZU_CPP_VERSION_TR1
    #else
        #define CYBOZU_CPP_VERSION CYBOZU_CPP_VERSION_CPP11
    #endif
#elif (__GNUC__ >= 4 && __GNUC_MINOR__ >= 5) || (__clang_major__ >= 3)
    #define CYBOZU_CPP_VERSION CYBOZU_CPP_VERSION_TR1
#else
    #define CYBOZU_CPP_VERSION CYBOZU_CPP_VERSION_CPP03
#endif
 
#if (CYBOZU_CPP_VERSION == CYBOZU_CPP_VERSION_TR1)
    #define CYBOZU_NAMESPACE_STD std::tr1
    #define CYBOZU_NAMESPACE_TR1_BEGIN namespace tr1 {
    #define CYBOZU_NAMESPACE_TR1_END }
#else
    #define CYBOZU_NAMESPACE_STD std
    #define CYBOZU_NAMESPACE_TR1_BEGIN
    #define CYBOZU_NAMESPACE_TR1_END
#endif
 
#ifndef CYBOZU_OS_BIT
    #if defined(_WIN64) || defined(__x86_64__)
        #define CYBOZU_OS_BIT 64
    #else
        #define CYBOZU_OS_BIT 32
    #endif
#endif
 
 
#ifndef CYBOZU_ENDIAN
    #define CYBOZU_ENDIAN_UNKNOWN 0
    #define CYBOZU_ENDIAN_LITTLE 1
    #define CYBOZU_ENDIAN_BIG 2
    #if defined(_M_IX86) || defined(_M_AMD64) || defined(__x86_64__) || defined(__i386__)
        #define CYBOZU_ENDIAN CYBOZU_ENDIAN_LITTLE
    #else
        #define CYBOZU_ENDIAN CYBOZU_ENDIAN_UNKNOWN
    #endif
#endif
 
namespace cybozu {
template<class T>
void disable_warning_unused_variable(const T&) { }
template<class T, class S>
T cast(const S* ptr) { return static_cast<T>(static_cast<const void*>(ptr)); }
template<class T, class S>
T cast(S* ptr) { return static_cast<T>(static_cast<void*>(ptr)); }
} // cybozu