1/*- 2 * Copyright (c) 2002 Tim J. Robbins. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: src/lib/libc/locale/wctrans.c,v 1.3 2003/11/01 08:20:58 tjr Exp $"); 29 30#include "xlocale_private.h" 31 32#include <errno.h> 33#include <string.h> 34#include <wctype.h> 35 36enum { 37 _WCT_ERROR = 0, 38 _WCT_TOLOWER = 1, 39 _WCT_TOUPPER = 2 40}; 41 42wint_t 43towctrans_l(wint_t wc, wctrans_t desc, locale_t loc) 44{ 45 46 NORMALIZE_LOCALE(loc); 47 switch (desc) { 48 case _WCT_TOLOWER: 49 wc = towlower_l(wc, loc); 50 break; 51 case _WCT_TOUPPER: 52 wc = towupper_l(wc, loc); 53 break; 54 case _WCT_ERROR: 55 default: 56 errno = EINVAL; 57 break; 58 } 59 60 return (wc); 61} 62 63wint_t 64towctrans(wint_t wc, wctrans_t desc) 65{ 66 return towctrans_l(wc, desc, __current_locale()); 67} 68 69wctrans_t 70wctrans(const char *charclass) 71{ 72 struct { 73 const char *name; 74 wctrans_t trans; 75 } ccls[] = { 76 { "tolower", _WCT_TOLOWER }, 77 { "toupper", _WCT_TOUPPER }, 78 { NULL, _WCT_ERROR }, /* Default */ 79 }; 80 int i; 81 82 i = 0; 83 while (ccls[i].name != NULL && strcmp(ccls[i].name, charclass) != 0) 84 i++; 85 86 if (ccls[i].trans == _WCT_ERROR) 87 errno = EINVAL; 88 return (ccls[i].trans); 89} 90 91/* 92 * The extended locale version just calls the regular version. If there 93 * is ever support for arbitrary per-locale translations, this need to 94 * be modified. 95 */ 96wctrans_t 97wctrans_l(const char *charclass, locale_t loc) 98{ 99 return wctrans(charclass); 100} 101