12345678910111213141516171819202122232425262728293031323334353637383940 |
- //
- // Copyright (c) Microsoft. All rights reserved.
- // Licensed under the MIT license. See LICENSE file in the project root for full license 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;
- }
|