options.h revision 22988 
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 *	$Id$
38 */
39
40struct shparam {
41	int nparam;		/* # of positional parameters (without $0) */
42	unsigned char malloc;	/* if parameter list dynamically allocated */
43	unsigned char reset;	/* if getopts has been reset */
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#define	privileged optlist[15].val
67
68#define NOPTS	16
69
70struct optent {
71	const char *name;
72	const char letter;
73	char val;
74};
75
76#ifdef DEFINE_OPTIONS
77struct optent optlist[NOPTS] = {
78	{ "errexit",	'e',	0 },
79	{ "noglob",	'f',	0 },
80	{ "ignoreeof",	'I',	0 },
81	{ "interactive",'i',	0 },
82	{ "monitor",	'm',	0 },
83	{ "noexec",	'n',	0 },
84	{ "stdin",	's',	0 },
85	{ "xtrace",	'x',	0 },
86	{ "verbose",	'v',	0 },
87	{ "vi",		'V',	0 },
88	{ "emacs",	'E',	0 },
89	{ "noclobber",	'C',	0 },
90	{ "allexport",	'a',	0 },
91	{ "notify",	'b',	0 },
92	{ "nounset",	'u',	0 },
93	{ "privileged",	'p',	0 },
94};
95#else
96extern struct optent optlist[NOPTS];
97#endif
98
99
100extern char *minusc;		/* argument to -c option */
101extern char *arg0;		/* $0 */
102extern struct shparam shellparam;  /* $@ */
103extern char **argptr;		/* argument list for builtin commands */
104extern char *optarg;		/* set by nextopt */
105extern char *optptr;		/* used by nextopt */
106
107void procargs __P((int, char **));
108void optschanged __P((void));
109void setparam __P((char **));
110void freeparam __P((struct shparam *));
111int shiftcmd __P((int, char **));
112int setcmd __P((int, char **));
113int getoptscmd __P((int, char **));
114int nextopt __P((char *));
115void getoptsreset __P((const char *));
116