1 /* Copy piece of UTF-8/UTF-16/UTF-32 string. 2 Copyright (C) 1999, 2002, 2006-2007, 2009-2021 Free Software Foundation, 3 Inc. 4 Written by Bruno Haible <bruno@clisp.org>, 2002. 5 6 This file is free software. 7 It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+". 8 You can redistribute it and/or modify it under either 9 - the terms of the GNU Lesser General Public License as published 10 by the Free Software Foundation; either version 3, or (at your 11 option) any later version, or 12 - the terms of the GNU General Public License as published by the 13 Free Software Foundation; either version 2, or (at your option) 14 any later version, or 15 - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+". 16 17 This file is distributed in the hope that it will be useful, 18 but WITHOUT ANY WARRANTY; without even the implied warranty of 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 Lesser General Public License and the GNU General Public License 21 for more details. 22 23 You should have received a copy of the GNU Lesser General Public 24 License and of the GNU General Public License along with this 25 program. If not, see <https://www.gnu.org/licenses/>. */ 26 27 #include <stdlib.h> 28 #include <string.h> 29 30 UNIT * 31 FUNC (const UNIT *s, size_t n) /* */ 32 { 33 UNIT *dest; 34 35 dest = (UNIT *) malloc (n > 0 ? n * sizeof (UNIT) : 1); 36 if (dest != NULL) 37 { 38 #if 0 39 UNIT *destptr = dest; 40 41 for (; n > 0; n--) 42 *destptr++ = *s++; 43 #else 44 if (n > 0) 45 memcpy ((char *) dest, (const char *) s, n * sizeof (UNIT)); 46 #endif 47 } 48 return dest; 49 }