getw.cpp File Reference

#include <corecrt_internal_stdio.h>

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Functions
int __cdecl	_getw (FILE *const stream)

Function Documentation

_getw()

int __cdecl _getw

(

FILE *const

stream

)

Definition at line 16 of file getw.cpp.

{
    _VALIDATE_RETURN(stream != nullptr, EINVAL, EOF);
 
    int return_value = EOF;
 
    _lock_file(stream);
    __try
    {
        int value = 0;
        char* const first = reinterpret_cast<char*>(&value);
        char* const last  = first + sizeof(value);
 
        for (char* it = first; it != last; ++it)
        {
            *it = static_cast<char>(_getc_nolock(stream));
        }
 
        if (feof(stream))
            __leave;
 
        if (ferror(stream))
            __leave;
 
        return_value = value;
    }
    __finally
    {
        _unlock_file(stream);
    }
    __endtry
 
    return return_value;
}