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
37struct strlist {
38	struct strlist *next;
39	char *text;
40};
41
42
43struct 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
59union node;
60void expandhere(union node *, int);
61void expandarg(union node *, struct arglist *, int);
62void expari(int);
63int patmatch(char *, char *, int);
64void rmescapes(char *);
65int casematch(union node *, char *);
66int wordexpcmd(int, char **);
67
68/* From arith.y */
69int arith(const char *);
70int expcmd(int , char **);
71void arith_lex_reset(void);
72int yylex(void);
73