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12345678910111213141516171819202122232425262728293031323334353637383940414243444546//// wcsncpy.cpp//// Copyright (c) Microsoft Corporation. All rights reserved.//// Defines wcsncpy(), which copies a string from one buffer to another. This// function copies at most 'count' characters. If fewer than 'count' characters// are copied, the rest of the buffer is padded with null characters.//#include <string.h>
#pragma warning(disable:__WARNING_POSTCONDITION_NULLTERMINATION_VIOLATION) // 26036
#ifdef _M_ARM #pragma function(wcsncpy)#endif
extern "C" wchar_t * __cdecl wcsncpy( wchar_t* const destination, wchar_t const* const source, size_t const count ){ size_t remaining = count;
wchar_t* destination_it = destination; wchar_t const* source_it = source; while (remaining != 0 && (*destination_it++ = *source_it++) != 0) { --remaining; }
if (remaining != 0) { while (--remaining != 0) { *destination_it++ = L'\0'; } }
return destination;}