1 | /* Copyright (C) 1996-2024 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library. If not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | /* The generic version of this file assumes that __alignof__(wchar_t) == |
19 | sizeof (wchar_t). We therefore use this port-specific implementation |
20 | instead. */ |
21 | #include <wchar.h> |
22 | |
23 | /* Copy SRC to DEST, returning the address of the terminating L'\0' in |
24 | DEST. Check for overflows. */ |
25 | wchar_t * |
26 | __wcpcpy_chk (wchar_t *dest, const wchar_t *src, size_t destlen) |
27 | { |
28 | do |
29 | if (destlen-- == 0) |
30 | __chk_fail (); |
31 | while ((*dest++ = *src++)); |
32 | |
33 | return dest - 1; |
34 | } |
35 | |