options.h revision 19240 
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 *	@(#)options.h	8.2 (Berkeley) 5/4/95
37 *	$Id: options.h,v 1.3 1996/09/01 10:21:20 peter Exp $
38 */
39
40struct shparam {
41	int nparam;	/* number of positional parameters (without $0) */
42	char malloc;	/* true if parameter list dynamicly allocated */
43	char **p;		/* parameter list */
44	char **optnext;	/* next parameter to be processed by getopts */
45	char *optptr;	/* used by getopts */
46};
47
48
49
50#define eflag optlist[0].val
51#define fflag optlist[1].val
52#define Iflag optlist[2].val
53#define iflag optlist[3].val
54#define mflag optlist[4].val
55#define nflag optlist[5].val
56#define sflag optlist[6].val
57#define xflag optlist[7].val
58#define vflag optlist[8].val
59#define Vflag optlist[9].val
60#define	Eflag optlist[10].val
61#define	Cflag optlist[11].val
62#define	aflag optlist[12].val
63#define	bflag optlist[13].val
64#define	uflag optlist[14].val
65#define	privileged optlist[15].val
66
67#define NOPTS	16
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	{ "privileged",	'p',	0 },
93};
94#else
95extern struct optent optlist[NOPTS];
96#endif
97
98
99extern char *minusc;		/* argument to -c option */
100extern char *arg0;		/* $0 */
101extern struct shparam shellparam;  /* $@ */
102extern char **argptr;		/* argument list for builtin commands */
103extern char *optarg;		/* set by nextopt */
104extern char *optptr;		/* used by nextopt */
105
106void procargs __P((int, char **));
107void optschanged __P((void));
108void setparam __P((char **));
109void freeparam __P((struct shparam *));
110int shiftcmd __P((int, char **));
111int setcmd __P((int, char **));
112int getoptscmd __P((int, char **));
113int nextopt __P((char *));
114