WINT_T.cpp

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// checking for wint_t in <wchar.h> and <wctype.h>
 
 
#include "config.h"
 
#if    defined (__EDG__)                \
    && !defined (__DECCXX)              \
    && !defined (__HP_aCC)              \
    && !defined (__INTEL_COMPILER)      \
    && !defined (_SGI_COMPILER_VERSION)
   // disable error #450-D: the type "long long" is nonstandard
   // when using the vanilla EDG eccp in strict mode (i.e., w/o
   // long long support)
#  pragma diag_suppress 450
#endif   // EDG eccp on Linux
 
 
#ifndef _RWSTD_NO_WCHAR_H
#  include <wchar.h>
#endif   // _RWSTD_NO_WCHAR_H
 
#ifndef _RWSTD_NO_WCTYPE_H
#  include <wctype.h>
#endif   // _RWSTD_NO_WCTYPE_H
 
#include <stdio.h>
 
// establish a dependency on the test for long long
// and #define the LONG_LONG macro used in "type.h"
#ifndef _RWSTD_NO_LONG_LONG
#  define LONG_LONG long long
#else   // if defined (_RWSTD_NO_LONG_LONG)
#  if defined (_MSC_VER)
#    define LONG_LONG   __int64
#  endif   // _MSC_VER
#endif   // _RWSTD_NO_LONG_LONG
 
#include "types.h"   // for type_name()
 
 
int main ()
{
    // determine the underlying arithmetic type
 
    wint_t wi = 0;
    const char* const tname = type_name (wi);
    printf ("#define _RWSTD_WINT_T   %s\n", tname);
 
    // compute the type's minimum and maximum
    const char* const symbol = type_name (++wi);
 
    printf ("#define _RWSTD_WINT_MIN _RWSTD_%s_MIN\n"
            "#define _RWSTD_WINT_MAX _RWSTD_%s_MAX\n",
            symbol, symbol);
 
    return 0;
}