1 /* Copy UTF-8/UTF-16/UTF-32 string. 2 Copyright (C) 1999, 2002, 2006, 2009-2021 Free Software Foundation, Inc. 3 Written by Bruno Haible <bruno@clisp.org>, 2002. 4 5 This file is free software. 6 It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+". 7 You can redistribute it and/or modify it under either 8 - the terms of the GNU Lesser General Public License as published 9 by the Free Software Foundation; either version 3, or (at your 10 option) any later version, or 11 - the terms of the GNU General Public License as published by the 12 Free Software Foundation; either version 2, or (at your option) 13 any later version, or 14 - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+". 15 16 This file is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 Lesser General Public License and the GNU General Public License 20 for more details. 21 22 You should have received a copy of the GNU Lesser General Public 23 License and of the GNU General Public License along with this 24 program. If not, see <https://www.gnu.org/licenses/>. */ 25 26 UNIT * 27 FUNC (UNIT *dest, const UNIT *src, size_t n) /* */ 28 { 29 for (; n > 0 && (*dest = *src) != 0; src++, dest++, n--) 30 ; 31 32 /* This behavior is rarely useful, but it is here for consistency with 33 strncpy and wcsncpy. */ 34 { 35 UNIT *destptr = dest; 36 37 for (; n > 0; n--) 38 *destptr++ = 0; 39 } 40 41 return dest; 42 }