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#include <wchar.h>
#include <stdlib.h> // for size_t
#define CONCAT(a, b) a##b
#define CONCAT2(a, b) CONCAT(a, b)
#define STATIC_ASSERT(condition) \
int CONCAT2(some_array, __LINE__)[(condition) ? 1 : -1]
// check size_t
STATIC_ASSERT(sizeof(void *)==sizeof(size_t));
#ifdef _WIN32
# ifdef _WIN64
STATIC_ASSERT(sizeof(void *)==8);
STATIC_ASSERT(sizeof(int)==4);
STATIC_ASSERT(sizeof(long int)==4);
STATIC_ASSERT(sizeof(long long int)==8);
STATIC_ASSERT(sizeof(wchar_t)==2);
# ifdef __MINGW64__
STATIC_ASSERT(sizeof(long double) == 16);
# else
STATIC_ASSERT(sizeof(long double)==8);
# endif
# else
STATIC_ASSERT(sizeof(void *)==4);
STATIC_ASSERT(sizeof(int)==4);
STATIC_ASSERT(sizeof(long int)==4);
STATIC_ASSERT(sizeof(long long int)==8);
STATIC_ASSERT(sizeof(wchar_t)==2);
STATIC_ASSERT(sizeof(long double)==8);
# endif
#else
// the following does both 32 and 64 bit architectures
// Note that there are architectures (e.g., x32) with
// 64-bit long int and 32-bit pointers. However,
// a long int should always be able to hold a pointer.
STATIC_ASSERT(sizeof(void *)<=sizeof(long int));
STATIC_ASSERT(sizeof(int)==4);
STATIC_ASSERT(sizeof(long int)==4 || sizeof(long int)==8);
STATIC_ASSERT(sizeof(long long int)==8);
#ifdef __CYGWIN__
STATIC_ASSERT(sizeof(wchar_t)==2);
#else
STATIC_ASSERT(sizeof(wchar_t)==4);
#endif
STATIC_ASSERT(sizeof(float)==4);
STATIC_ASSERT(sizeof(double)==8);
STATIC_ASSERT(sizeof(long double)>=sizeof(double));
#endif
int main()
{
}
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