1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2002 Tim J. Robbins. 5 * All rights reserved. 6 * 7 * Copyright (c) 2011 The FreeBSD Foundation 8 * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 #include <errno.h> 38 #include <string.h> 39 #include <wctype.h> 40 #include "xlocale_private.h" 41 42 enum { 43 _WCT_ERROR = 0, 44 _WCT_TOLOWER = 1, 45 _WCT_TOUPPER = 2 46 }; 47 48 wint_t 49 towctrans_l(wint_t wc, wctrans_t desc, locale_t locale) 50 { 51 switch (desc) { 52 case _WCT_TOLOWER: 53 wc = towlower_l(wc, locale); 54 break; 55 case _WCT_TOUPPER: 56 wc = towupper_l(wc, locale); 57 break; 58 case _WCT_ERROR: 59 default: 60 errno = EINVAL; 61 break; 62 } 63 64 return (wc); 65 } 66 wint_t 67 towctrans(wint_t wc, wctrans_t desc) 68 { 69 return towctrans_l(wc, desc, __get_locale()); 70 } 71 72 /* 73 * wctrans() calls this will a 0 locale. If this is ever modified to actually 74 * use the locale, wctrans() must be modified to call __get_locale(). 75 */ 76 wctrans_t 77 wctrans_l(const char *charclass, locale_t locale) 78 { 79 struct { 80 const char *name; 81 wctrans_t trans; 82 } ccls[] = { 83 { "tolower", _WCT_TOLOWER }, 84 { "toupper", _WCT_TOUPPER }, 85 { NULL, _WCT_ERROR }, /* Default */ 86 }; 87 int i; 88 89 i = 0; 90 while (ccls[i].name != NULL && strcmp(ccls[i].name, charclass) != 0) 91 i++; 92 93 if (ccls[i].trans == _WCT_ERROR) 94 errno = EINVAL; 95 return (ccls[i].trans); 96 } 97 98 wctrans_t 99 wctrans(const char *charclass) 100 { 101 return wctrans_l(charclass, 0); 102 } 103 104