1 /* 2 * Copyright 2010 Nexenta Systems, Inc. All rights reserved. 3 * Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua> 4 * at Electronni Visti IA, Kiev, Ukraine. 5 * All rights reserved. 6 * 7 * Copyright (c) 2011 The FreeBSD Foundation 8 * All rights reserved. 9 * Portions of this software were developed by David Chisnall 10 * under sponsorship from the FreeBSD Foundation. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <stdlib.h> 35 #include <string.h> 36 #include <wchar.h> 37 #include "collate.h" 38 39 size_t 40 wcsxfrm_l(wchar_t * __restrict dest, const wchar_t * __restrict src, size_t len, locale_t locale) 41 { 42 size_t slen; 43 FIX_LOCALE(locale); 44 struct xlocale_collate *table = 45 (struct xlocale_collate*)locale->components[XLC_COLLATE]; 46 47 if (*src == L'\0') { 48 if (len != 0) 49 *dest = L'\0'; 50 return (0); 51 } 52 53 if ((table->__collate_load_error) || 54 ((slen = _collate_wxfrm(table, src, dest, len)) == (size_t)-1)) { 55 goto error; 56 } 57 58 /* Add null termination at the correct location. */ 59 if (len > slen) { 60 dest[slen] = 0; 61 } else if (len) { 62 dest[len-1] = 0; 63 } 64 65 return (slen); 66 67 error: 68 slen = wcslen(src); 69 if (slen < len) 70 (void) wcscpy(dest, src); 71 else { 72 (void) wcsncpy(dest, src, len - 1); 73 dest[len - 1] = L'\0'; 74 } 75 return (slen); 76 } 77 78 size_t 79 wcsxfrm(wchar_t * __restrict dest, const wchar_t * __restrict src, size_t len) 80 { 81 return wcsxfrm_l(dest, src, len, __get_locale()); 82 } 83