1 /* Fill UTF-8 string. 2 Copyright (C) 2002, 2006, 2009-2014 Free Software Foundation, Inc. 3 Written by Bruno Haible <bruno@clisp.org>, 2002. 4 5 This program is free software: you can redistribute it and/or modify it 6 under the terms of the GNU Lesser General Public License as published 7 by the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #include <config.h> 19 20 /* Specification. */ 21 #include "unistr.h" 22 23 #define FUNC u8_set 24 #define UNIT uint8_t 25 #define IS_SINGLE_UNIT(uc) (uc < 0x80) 26 27 #include <errno.h> 28 #include <string.h> 29 30 UNIT * 31 FUNC (UNIT *s, ucs4_t uc, size_t n) 32 { 33 if (n > 0) 34 { 35 if (IS_SINGLE_UNIT (uc)) 36 memset ((char *) s, uc, n); 37 else 38 { 39 errno = EILSEQ; 40 return NULL; 41 } 42 } 43 return s; 44 } 45