xref: /netbsd/bin/sh/options.h (revision bf9ec67e)
1 /*	$NetBSD: options.h,v 1.14 2001/02/04 19:52:06 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 
41 struct shparam {
42 	int nparam;		/* # of positional parameters (without $0) */
43 	unsigned char malloc;	/* if parameter list dynamically allocated */
44 	unsigned char reset;	/* if getopts has been reset */
45 	char **p;		/* parameter list */
46 	char **optnext;		/* next parameter to be processed by getopts */
47 	char *optptr;		/* used by getopts */
48 };
49 
50 
51 
52 #define eflag optlist[0].val
53 #define fflag optlist[1].val
54 #define Iflag optlist[2].val
55 #define iflag optlist[3].val
56 #define mflag optlist[4].val
57 #define nflag optlist[5].val
58 #define sflag optlist[6].val
59 #define xflag optlist[7].val
60 #define vflag optlist[8].val
61 #define Vflag optlist[9].val
62 #define	Eflag optlist[10].val
63 #define	Cflag optlist[11].val
64 #define	aflag optlist[12].val
65 #define	bflag optlist[13].val
66 #define	uflag optlist[14].val
67 #define	qflag optlist[15].val
68 
69 #define NOPTS	16
70 
71 struct optent {
72 	const char *name;
73 	const char letter;
74 	char val;
75 };
76 
77 #ifdef DEFINE_OPTIONS
78 struct optent optlist[NOPTS] = {
79 	{ "errexit",	'e',	0 },
80 	{ "noglob",	'f',	0 },
81 	{ "ignoreeof",	'I',	0 },
82 	{ "interactive",'i',	0 },
83 	{ "monitor",	'm',	0 },
84 	{ "noexec",	'n',	0 },
85 	{ "stdin",	's',	0 },
86 	{ "xtrace",	'x',	0 },
87 	{ "verbose",	'v',	0 },
88 	{ "vi",		'V',	0 },
89 	{ "emacs",	'E',	0 },
90 	{ "noclobber",	'C',	0 },
91 	{ "allexport",	'a',	0 },
92 	{ "notify",	'b',	0 },
93 	{ "nounset",	'u',	0 },
94 	{ "quietprofile", 'q',	0 },
95 };
96 #else
97 extern struct optent optlist[NOPTS];
98 #endif
99 
100 
101 extern char *minusc;		/* argument to -c option */
102 extern char *arg0;		/* $0 */
103 extern struct shparam shellparam;  /* $@ */
104 extern char **argptr;		/* argument list for builtin commands */
105 extern char *optionarg;		/* set by nextopt */
106 extern char *optptr;		/* used by nextopt */
107 
108 void procargs __P((int, char **));
109 void optschanged __P((void));
110 void setparam __P((char **));
111 void freeparam __P((volatile struct shparam *));
112 int shiftcmd __P((int, char **));
113 int setcmd __P((int, char **));
114 int getoptscmd __P((int, char **));
115 int nextopt __P((const char *));
116 void getoptsreset __P((const char *));
117