1 /* $NetBSD: expand.h,v 1.16 2004/07/13 15:05:59 seb Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Kenneth Almquist. 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 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)expand.h 8.2 (Berkeley) 5/4/95 35 */ 36 37 struct strlist { 38 struct strlist *next; 39 char *text; 40 }; 41 42 43 struct arglist { 44 struct strlist *list; 45 struct strlist **lastp; 46 }; 47 48 /* 49 * expandarg() flags 50 */ 51 #define EXP_FULL 0x1 /* perform word splitting & file globbing */ 52 #define EXP_TILDE 0x2 /* do normal tilde expansion */ 53 #define EXP_VARTILDE 0x4 /* expand tildes in an assignment */ 54 #define EXP_REDIR 0x8 /* file glob for a redirection (1 match only) */ 55 #define EXP_CASE 0x10 /* keeps quotes around for CASE pattern */ 56 #define EXP_IFS_SPLIT 0x20 /* need to record arguments for ifs breakup */ 57 58 59 union node; 60 void expandhere(union node *, int); 61 void expandarg(union node *, struct arglist *, int); 62 void expari(int); 63 int patmatch(char *, char *, int); 64 void rmescapes(char *); 65 int casematch(union node *, char *); 66 int wordexpcmd(int, char **); 67 68 /* From arith.y */ 69 int arith(const char *); 70 int expcmd(int , char **); 71 void arith_lex_reset(void); 72 int yylex(void); 73