options.h revision 1557 
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	8.1 (Berkeley) 5/31/93
37 */
38
39struct shparam {
40	int nparam;	/* number of positional parameters (without $0) */
41	char malloc;	/* true if parameter list dynamicly allocated */
42	char **p;		/* parameter list */
43	char **optnext;	/* next parameter to be processed by getopts */
44	char *optptr;	/* used by getopts */
45};
46
47
48
49#define eflag optlist[0].val
50#define fflag optlist[1].val
51#define Iflag optlist[2].val
52#define iflag optlist[3].val
53#define mflag optlist[4].val
54#define nflag optlist[5].val
55#define sflag optlist[6].val
56#define xflag optlist[7].val
57#define vflag optlist[8].val
58#define Vflag optlist[9].val
59#define	Eflag optlist[10].val
60#define	Cflag optlist[11].val
61#define	aflag optlist[12].val
62#define	bflag optlist[13].val
63#define	uflag optlist[14].val
64
65#define NOPTS	15
66
67struct optent {
68	const char *name;
69	const char letter;
70	char val;
71};
72
73#ifdef DEFINE_OPTIONS
74struct optent optlist[NOPTS] = {
75	"errexit",	'e',	0,
76	"noglob",	'f',	0,
77	"ignoreeof",	'I',	0,
78	"interactive",	'i',	0,
79	"monitor",	'm',	0,
80	"noexec",	'n',	0,
81	"stdin",	's',	0,
82	"xtrace",	'x',	0,
83	"verbose",	'v',	0,
84	"vi",		'V',	0,
85	"emacs",	'E',	0,
86	"noclobber",	'C',	0,
87	"allexport",	'a',	0,
88	"notify",	'b',	0,
89	"nounset",	'u',	0,
90};
91#else
92extern struct optent optlist[NOPTS];
93#endif
94
95
96extern char *minusc;		/* argument to -c option */
97extern char *arg0;		/* $0 */
98extern struct shparam shellparam;  /* $@ */
99extern char **argptr;		/* argument list for builtin commands */
100extern char *optarg;		/* set by nextopt */
101extern char *optptr;		/* used by nextopt */
102
103
104#ifdef __STDC__
105void procargs(int, char **);
106void setparam(char **);
107void freeparam(struct shparam *);
108int nextopt(char *);
109#else
110void procargs();
111void setparam();
112void freeparam();
113int nextopt();
114#endif
115