ARK-OS/arkos/kernel/glibc/debug/wcscpy_chk.c

/* Copyright (C) 1995-2026 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 <stddef.h>
#include <wchar.h>


/* Copy SRC to DEST.  */
wchar_t *
__wcscpy_chk (wchar_t *dest, const wchar_t *src, size_t n)
{
  wint_t c;
  wchar_t *wcp = dest;

  do
    {
      if (__glibc_unlikely (n-- == 0))
        __chk_fail ();
      c = *src++;
      *wcp++ = c;
    }
  while (c != L'\0');

  return dest;
}