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 /* 28 * Copyright 2010 Nexenta Systems, Inc. All rights reserved. 29 * Use is subject to license terms. 30 */ 31 32 #include "lint.h" 33 #include <errno.h> 34 #include <string.h> 35 #include <wctype.h> 36 37 enum { 38 _WCT_ERROR = 0, 39 _WCT_TOLOWER = 1, 40 _WCT_TOUPPER = 2 41 }; 42 43 wint_t 44 towctrans(wint_t wc, wctrans_t desc) 45 { 46 47 switch (desc) { 48 case _WCT_TOLOWER: 49 wc = towlower(wc); 50 break; 51 case _WCT_TOUPPER: 52 wc = towupper(wc); 53 break; 54 case _WCT_ERROR: 55 default: 56 errno = EINVAL; 57 break; 58 } 59 60 return (wc); 61 } 62 63 wctrans_t 64 wctrans(const char *charclass) 65 { 66 struct { 67 const char *name; 68 wctrans_t trans; 69 } ccls[] = { 70 { "tolower", _WCT_TOLOWER }, 71 { "toupper", _WCT_TOUPPER }, 72 { NULL, _WCT_ERROR }, /* Default */ 73 }; 74 int i; 75 76 i = 0; 77 while (ccls[i].name != NULL && strcmp(ccls[i].name, charclass) != 0) 78 i++; 79 80 if (ccls[i].trans == _WCT_ERROR) 81 errno = EINVAL; 82 return (ccls[i].trans); 83 } 84