1/*-
2 * Copyright (c) 1991, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 * Copyright (c) 1997-2005
5 *	Herbert Xu <herbert@gondor.apana.org.au>.  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#include <inttypes.h>
38
39struct strlist {
40	struct strlist *next;
41	char *text;
42};
43
44
45struct arglist {
46	struct strlist *list;
47	struct strlist **lastp;
48};
49
50/*
51 * expandarg() flags
52 */
53#define EXP_FULL	0x1	/* perform word splitting & file globbing */
54#define EXP_TILDE	0x2	/* do normal tilde expansion */
55#define	EXP_VARTILDE	0x4	/* expand tildes in an assignment */
56#define	EXP_REDIR	0x8	/* file glob for a redirection (1 match only) */
57#define EXP_CASE	0x10	/* keeps quotes around for CASE pattern */
58#define EXP_QPAT	0x20	/* pattern in quoted parameter expansion */
59#define EXP_VARTILDE2	0x40	/* expand tildes after colons only */
60#define EXP_WORD	0x80	/* expand word in parameter expansion */
61#define EXP_QUOTED	0x100	/* expand word in double quotes */
62
63
64union node;
65void expandarg(union node *, struct arglist *, int);
66void expari(int);
67#define rmescapes(p) _rmescapes((p), 0)
68char *_rmescapes(char *, int);
69int casematch(union node *, char *);
70void recordregion(int, int, int);
71void removerecordregions(int);
72void ifsbreakup(char *, int, struct arglist *);
73void ifsfree(void);
74
75/* From arith.y */
76intmax_t arith(const char *);
77int expcmd(int , char **);
78#ifdef USE_LEX
79void arith_lex_reset(void);
80#else
81#define arith_lex_reset()
82#endif
83int yylex(void);
84