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dff8da6b | 1 | /* Copyright (C) 1998-2024 Free Software Foundation, Inc. |
4bca4c17 | 2 | This file is part of the GNU C Library. |
4bca4c17 UD |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
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. | |
4bca4c17 UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
4bca4c17 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
4bca4c17 UD |
17 | |
18 | #include <wchar.h> | |
19 | ||
fcf40ebe SL |
20 | #ifdef WCSNLEN |
21 | # define __wcsnlen WCSNLEN | |
22 | #endif | |
4bca4c17 | 23 | |
fcf40ebe | 24 | /* Return length of string S at most maxlen. */ |
4bca4c17 | 25 | size_t |
9d46370c | 26 | __wcsnlen (const wchar_t *s, size_t maxlen) |
4bca4c17 | 27 | { |
457208b1 AZ |
28 | const wchar_t *ret = __wmemchr (s, L'\0', maxlen); |
29 | if (ret) | |
30 | maxlen = ret - s; | |
31 | return maxlen; | |
4bca4c17 | 32 | } |
fcf40ebe | 33 | #ifndef WCSNLEN |
4bca4c17 | 34 | weak_alias (__wcsnlen, wcsnlen) |
fcf40ebe | 35 | #endif |