wcsdup.cpp File Reference

#include <corecrt_internal.h>
#include <malloc.h>
#include <string.h>

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Functions
wchar_t *__cdecl	_wcsdup (wchar_t const *string)

Function Documentation

_wcsdup()

wchar_t *__cdecl _wcsdup

(

wchar_t const *

string

)

Definition at line 33 of file wcsdup.cpp.

{
    if (string == nullptr)
        return nullptr;
 
    size_t const size_in_elements = wcslen(string) + 1;
 
#ifdef _DEBUG
    wchar_t* const memory = static_cast<wchar_t*>(_malloc_dbg(
        size_in_elements * sizeof(wchar_t),
        block_use,
        file_name,
        line_number));
#else
    wchar_t* const memory = static_cast<wchar_t*>(malloc(
        size_in_elements * sizeof(wchar_t)));
#endif
 
    if (memory == nullptr)
        return nullptr;
 
    _ERRCHECK(wcscpy_s(memory, size_in_elements, string));
    return memory;
}