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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/***
*tcscpy_s.inl - general implementation of _tcscpy_s
*
*
*Purpose:
* This file contains the general algorithm for strcpy_s and its variants.
*
****/
_FUNC_PROLOGUE
errno_t __cdecl _FUNC_NAME(_CHAR *_DEST, size_t _SIZE, const _CHAR *_SRC)
{
_CHAR *p;
size_t available;
/* validation section */
_VALIDATE_STRING(_DEST, _SIZE);
_VALIDATE_POINTER_RESET_STRING(_SRC, _DEST, _SIZE);
p = _DEST;
available = _SIZE;
while ((*p++ = *_SRC++) != 0 && --available > 0)
{
}
if (available == 0)
{
_RESET_STRING(_DEST, _SIZE);
_RETURN_BUFFER_TOO_SMALL(_DEST, _SIZE);
}
_FILL_STRING(_DEST, _SIZE, _SIZE - available + 1);
_RETURN_NO_ERROR;
}
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