1 /*- 2 * Copyright (c) 2002 Tim J. Robbins. 3 * All rights reserved. 4 * 5 * Copyright (c) 2011 The FreeBSD Foundation 6 * All rights reserved. 7 * Portions of this software were developed by David Chisnall 8 * under sponsorship from the FreeBSD Foundation. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD: head/lib/libc/locale/wctrans.c 227753 2011-11-20 14:45:42Z theraven $ 32 */ 33 34 35 #include <errno.h> 36 #include <string.h> 37 #include <wctype.h> 38 #include "xlocale_private.h" 39 40 enum { 41 _WCT_ERROR = 0, 42 _WCT_TOLOWER = 1, 43 _WCT_TOUPPER = 2 44 }; 45 46 wint_t 47 towctrans_l(wint_t wc, wctrans_t desc, locale_t locale) 48 { 49 switch (desc) { 50 case _WCT_TOLOWER: 51 wc = towlower_l(wc, locale); 52 break; 53 case _WCT_TOUPPER: 54 wc = towupper_l(wc, locale); 55 break; 56 case _WCT_ERROR: 57 default: 58 errno = EINVAL; 59 break; 60 } 61 62 return (wc); 63 } 64 wint_t 65 towctrans(wint_t wc, wctrans_t desc) 66 { 67 return towctrans_l(wc, desc, __get_locale()); 68 } 69 70 /* 71 * wctrans() calls this will a 0 locale. If this is ever modified to actually 72 * use the locale, wctrans() must be modified to call __get_locale(). 73 */ 74 wctrans_t 75 wctrans_l(const char *charclass, locale_t locale) 76 { 77 struct { 78 const char *name; 79 wctrans_t trans; 80 } ccls[] = { 81 { "tolower", _WCT_TOLOWER }, 82 { "toupper", _WCT_TOUPPER }, 83 { NULL, _WCT_ERROR }, /* Default */ 84 }; 85 int i; 86 87 i = 0; 88 while (ccls[i].name != NULL && strcmp(ccls[i].name, charclass) != 0) 89 i++; 90 91 if (ccls[i].trans == _WCT_ERROR) 92 errno = EINVAL; 93 return (ccls[i].trans); 94 } 95 96 wctrans_t 97 wctrans(const char *charclass) 98 { 99 return wctrans_l(charclass, 0); 100 } 101 102