xref: /dragonfly/bin/sh/expand.h (revision d4ef6694)
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  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)expand.h	8.2 (Berkeley) 5/4/95
37  * $FreeBSD: head/bin/sh/expand.h 246288 2013-02-03 15:54:57Z jilles $
38  */
39 
40 struct strlist {
41 	struct strlist *next;
42 	char *text;
43 };
44 
45 
46 struct arglist {
47 	struct strlist *list;
48 	struct strlist **lastp;
49 };
50 
51 /*
52  * expandarg() flags
53  */
54 #define EXP_FULL	0x1	/* perform word splitting & file globbing */
55 #define EXP_TILDE	0x2	/* do normal tilde expansion */
56 #define	EXP_VARTILDE	0x4	/* expand tildes in an assignment */
57 #define	EXP_REDIR	0x8	/* file glob for a redirection (1 match only) */
58 #define EXP_CASE	0x10	/* keeps quotes around for CASE pattern */
59 #define EXP_SPLIT_LIT	0x20	/* IFS split literal text ${v+-a b c} */
60 #define EXP_LIT_QUOTED	0x40	/* for EXP_SPLIT_LIT, start off quoted */
61 
62 
63 union node;
64 void expandarg(union node *, struct arglist *, int);
65 void expari(int);
66 void rmescapes(char *);
67 int casematch(union node *, const char *);
68