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Asked by kansworld in Windows MFC Programming, Microsoft Visual C++, C++ Programming Language, Microsoft Programming, Assembly Programming Language
I have a code similiar to the one mentioned below.
the 2nd parameter to mbstowcs() function is const short*. Here getstring() returned cstring objects[ temparary object] reference has been passed to mbstowcs() which will pass the refence directly from EAX register.
1. Is my understanding true ?
2. if it is true, what is the scope of this temparary object ? if it is get cleared from EAX register before mbstowcs() uses the object , there is a possiblity of data loss ?
3. is this coding style acceptable ?
thanks in advance.
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CString getstring()
{
CString str= _T("test");
return str;
}
main()
{
wchar_t * l_wcs;
mbstowcs( l_wcs , getstring(), 4);
}
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20091111-EE-VQP-92 - Hierarchy / EE_QW_3_20080625
