1 /* 2 * Copyright 2013 Garrett D'Amore <garrett@damore.org> 3 * Copyright 2010 Nexenta Systems, Inc. All rights reserved. 4 * Copyright (c) 2002 Tim J. Robbins. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include "lint.h" 30 #include <note.h> 31 #include <errno.h> 32 #include <string.h> 33 #include <wctype.h> 34 #include <locale.h> 35 36 enum { 37 _WCT_ERROR = 0, 38 _WCT_TOLOWER = 1, 39 _WCT_TOUPPER = 2 40 }; 41 42 wint_t 43 towctrans_l(wint_t wc, wctrans_t desc, locale_t loc) 44 { 45 switch (desc) { 46 case _WCT_TOLOWER: 47 wc = towlower_l(wc, loc); 48 break; 49 case _WCT_TOUPPER: 50 wc = towupper_l(wc, loc); 51 break; 52 case _WCT_ERROR: 53 default: 54 errno = EINVAL; 55 break; 56 } 57 58 return (wc); 59 } 60 61 wint_t 62 towctrans(wint_t wc, wctrans_t desc) 63 { 64 return (towctrans_l(wc, desc, uselocale(NULL))); 65 } 66 67 /* 68 * For *now* we don't support locale sensitive transforms besides toupper 69 * and tolower. 70 */ 71 wctrans_t 72 wctrans_l(const char *charclass, locale_t loc) 73 { 74 struct { 75 const char *name; 76 wctrans_t trans; 77 } ccls[] = { 78 { "tolower", _WCT_TOLOWER }, 79 { "toupper", _WCT_TOUPPER }, 80 { NULL, _WCT_ERROR }, /* Default */ 81 }; 82 int i; 83 _NOTE(ARGUNUSED(loc)); 84 85 i = 0; 86 while (ccls[i].name != NULL && strcmp(ccls[i].name, charclass) != 0) 87 i++; 88 89 if (ccls[i].trans == _WCT_ERROR) 90 errno = EINVAL; 91 return (ccls[i].trans); 92 } 93 94 wctrans_t 95 wctrans(const char *charclass) 96 { 97 return (wctrans_l(charclass, uselocale(NULL))); 98 } 99