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1/*-
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Kenneth Almquist.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)expand.h 8.2 (Berkeley) 5/4/95
33 * $FreeBSD$
34 */
35
36struct strlist {
37 struct strlist *next;
38 char *text;
39};
40
41
42struct arglist {
43 struct strlist *list;
44 struct strlist **lastp;
45};
46
47/*
48 * expandarg() flags
49 */
50#define EXP_FULL 0x1 /* perform word splitting & file globbing */
51#define EXP_TILDE 0x2 /* do normal tilde expansion */
52#define EXP_VARTILDE 0x4 /* expand tildes in an assignment */
53#define EXP_CASE 0x10 /* keeps quotes around for CASE pattern */
54#define EXP_SPLIT_LIT 0x20 /* IFS split literal text ${v+-a b c} */
55#define EXP_LIT_QUOTED 0x40 /* for EXP_SPLIT_LIT, start off quoted */
56
57
58union node;
59void expandarg(union node *, struct arglist *, int);
60void rmescapes(char *);
61int casematch(union node *, const char *);