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