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04277e02 | 1 | /* Copyright (C) 1996-2019 Free Software Foundation, Inc. |
33a934a3 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. | |
75cd5204 | 4 | |
33a934a3 | 5 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 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. | |
75cd5204 | 9 | |
33a934a3 UD |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
75cd5204 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
75cd5204 RM |
18 | |
19 | #include <wchar.h> | |
20 | ||
b3a0c176 SL |
21 | #ifdef WCPNCPY |
22 | # define __wcpncpy WCPNCPY | |
23 | #endif | |
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24 | |
25 | /* Copy no more than N wide-characters of SRC to DEST, returning the | |
26 | address of the last character written into DEST. */ | |
27 | wchar_t * | |
9d46370c | 28 | __wcpncpy (wchar_t *dest, const wchar_t *src, size_t n) |
75cd5204 | 29 | { |
39ef0744 AZ |
30 | size_t size = __wcsnlen (src, n); |
31 | __wmemcpy (dest, src, size); | |
32 | dest += size; | |
33 | if (size == n) | |
75cd5204 | 34 | return dest; |
39ef0744 | 35 | return wmemset (dest, L'\0', (n - size)); |
75cd5204 RM |
36 | } |
37 | ||
b3a0c176 | 38 | #ifndef WCPNCPY |
75cd5204 | 39 | weak_alias (__wcpncpy, wcpncpy) |
b3a0c176 | 40 | #endif |