1 /** $MirOS: src/usr.bin/tr/extern.h,v 1.2 2007/07/15 19:10:31 tg Exp $ */ 2 /* $OpenBSD: extern.h,v 1.6 2003/06/03 02:56:20 millert Exp $ */ 3 /* $NetBSD: extern.h,v 1.4 1995/11/01 00:45:22 pk Exp $ */ 4 5 /*- 6 * Copyright (c) 2007 7 * Thorsten Glaser <tg@mirbsd.de> 8 * Copyright (c) 1991, 1993 9 * The Regents of the University of California. All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)extern.h 8.1 (Berkeley) 6/6/93 36 */ 37 38 typedef struct { 39 enum { STRING1, STRING2 } which; 40 enum { EOS, INFINITE, NORMAL, RANGE, SEQUENCE, SET, WCLASS, WTRANS } state; 41 int cnt; /* character count */ 42 union { 43 wchar_t *set_; /* set of characters */ 44 wctype_t class_; /* character class */ 45 } setext; 46 #define set setext.set_ 47 #define wclass setext.class_ 48 wchar_t *str; /* user's string */ 49 wchar_t equiv[2]; /* equivalence set */ 50 #define cnext equiv[0] /* next char to try with class */ 51 wctrans_t wtrans; /* character conversion class */ 52 wchar_t lastch; /* last character */ 53 bool use_wctrans; 54 } STR; 55 56 #if WCHAR_MAX != 0xFFFD 57 #warning results untested, WCHAR_MAX ≠ 0xFFFD 58 #endif 59 60 #define NCHARS (WCHAR_MAX + 1) /* Number of possible characters. */ 61 #define OOBCH (WCHAR_MAX + 1) /* Out of band character value. */ 62 63 bool next(STR *); 64