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