glibc/wcsmbs/wcsncpy.c

36 lines
1.2 KiB
C

/* Copyright (C) 1995-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <wchar.h>
#ifdef WCSNCPY
# define __wcsncpy WCSNCPY
#endif
/* Copy no more than N wide-characters of SRC to DEST. */
wchar_t *
__wcsncpy (wchar_t *dest, const wchar_t *src, size_t n)
{
size_t size = __wcsnlen (src, n);
if (size != n)
__wmemset (dest + size, L'\0', n - size);
return __wmemcpy (dest, src, size);
}
#ifndef WCSNCPY
weak_alias (__wcsncpy, wcsncpy)
#endif