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f7a9f785 | 1 | /* Copyright (C) 1996-2016 Free Software Foundation, Inc. |
28c50ce9 | 2 | This file is part of the GNU C Library. |
9c986f87 | 3 | Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996. |
28c50ce9 UD |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
3214b89b AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
28c50ce9 UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
3214b89b | 13 | Lesser General Public License for more details. |
28c50ce9 | 14 | |
3214b89b | 15 | You should have received a copy of the GNU Lesser General Public |
ab84e3ff PE |
16 | License along with the GNU C Library. If not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
28c50ce9 | 18 | |
9c986f87 AS |
19 | /* The generic version of this file assumes that __alignof__(wchar_t) == |
20 | sizeof (wchar_t). We therefore use this port-specific implementation | |
21 | instead. */ | |
22 | #include <wchar.h> | |
501ee116 | 23 | |
9c986f87 AS |
24 | /* Copy SRC to DEST, returning the address of the terminating L'\0' in |
25 | DEST. Check for overflows. */ | |
26 | wchar_t * | |
27 | __wcpcpy_chk (wchar_t *dest, const wchar_t *src, size_t destlen) | |
501ee116 | 28 | { |
9c986f87 AS |
29 | do |
30 | if (destlen-- == 0) | |
31 | __chk_fail (); | |
32 | while ((*dest++ = *src++)); | |
501ee116 | 33 | |
9c986f87 AS |
34 | return dest - 1; |
35 | } |