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04277e02 | 1 | /* Copyright (C) 1995-2019 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
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. | |
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 | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
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18 | |
19 | #include <wchar.h> | |
20 | ||
21 | ||
22 | /* Copy no more than N wide-characters of SRC to DEST. */ | |
23 | wchar_t * | |
24 | __wcpncpy_chk (wchar_t *dest, const wchar_t *src, size_t n, size_t destlen) | |
25 | { | |
a1ffb40e | 26 | if (__glibc_unlikely (destlen < n)) |
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27 | __chk_fail (); |
28 | ||
29 | /* This function is not often enough used to justify not using a | |
30 | tail call. */ | |
31 | return __wcpncpy (dest, src, n); | |
32 | } |