options.h revision 1.9 
1/*	$NetBSD: options.h,v 1.9 1996/06/25 16:47:44 christos 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. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by the University of
21 *	California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 *    may be used to endorse or promote products derived from this software
24 *    without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 *	@(#)options.h	8.2 (Berkeley) 5/4/95
39 */
40
41struct shparam {
42	int nparam;	/* number of positional parameters (without $0) */
43	char malloc;	/* true if parameter list dynamicly allocated */
44	char **p;		/* parameter list */
45	char **optnext;	/* next parameter to be processed by getopts */
46	char *optptr;	/* used by getopts */
47};
48
49
50
51#define eflag optlist[0].val
52#define fflag optlist[1].val
53#define Iflag optlist[2].val
54#define iflag optlist[3].val
55#define mflag optlist[4].val
56#define nflag optlist[5].val
57#define sflag optlist[6].val
58#define xflag optlist[7].val
59#define vflag optlist[8].val
60#define Vflag optlist[9].val
61#define	Eflag optlist[10].val
62#define	Cflag optlist[11].val
63#define	aflag optlist[12].val
64#define	bflag optlist[13].val
65#define	uflag optlist[14].val
66
67#define NOPTS	15
68
69struct optent {
70	const char *name;
71	const char letter;
72	char val;
73};
74
75#ifdef DEFINE_OPTIONS
76struct optent optlist[NOPTS] = {
77	{ "errexit",	'e',	0 },
78	{ "noglob",	'f',	0 },
79	{ "ignoreeof",	'I',	0 },
80	{ "interactive",'i',	0 },
81	{ "monitor",	'm',	0 },
82	{ "noexec",	'n',	0 },
83	{ "stdin",	's',	0 },
84	{ "xtrace",	'x',	0 },
85	{ "verbose",	'v',	0 },
86	{ "vi",		'V',	0 },
87	{ "emacs",	'E',	0 },
88	{ "noclobber",	'C',	0 },
89	{ "allexport",	'a',	0 },
90	{ "notify",	'b',	0 },
91	{ "nounset",	'u',	0 },
92};
93#else
94extern struct optent optlist[NOPTS];
95#endif
96
97
98extern char *minusc;		/* argument to -c option */
99extern char *arg0;		/* $0 */
100extern struct shparam shellparam;  /* $@ */
101extern char **argptr;		/* argument list for builtin commands */
102extern char *optarg;		/* set by nextopt */
103extern char *optptr;		/* used by nextopt */
104
105void procargs __P((int, char **));
106void optschanged __P((void));
107void setparam __P((char **));
108void freeparam __P((struct shparam *));
109int shiftcmd __P((int, char **));
110int setcmd __P((int, char **));
111int getoptscmd __P((int, char **));
112int nextopt __P((char *));
113void getoptsreset __P((const char *));
114