/* Copyright (C) 1995-2019 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. 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 <http://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; if (__alignof__ (wchar_t) >= sizeof (wchar_t)) { const ptrdiff_t off = dest - src - 1; wcp = (wchar_t *) src; do { if (__glibc_unlikely (n-- == 0)) __chk_fail (); c = *wcp++; wcp[off] = c; } while (c != L'\0'); } else { wcp = dest; do { if (__glibc_unlikely (n-- == 0)) __chk_fail (); c = *src++; *wcp++ = c; } while (c != L'\0'); } return dest; }