xref: /freebsd/bin/sh/options.h (revision 3bdf775801b218aa5a89564839405b122f4b233e)
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  * 4. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)options.h	8.2 (Berkeley) 5/4/95
33  * $FreeBSD$
34  */
35 
36 struct shparam {
37 	int nparam;		/* # of positional parameters (without $0) */
38 	unsigned char malloc;	/* if parameter list dynamically allocated */
39 	unsigned char reset;	/* if getopts has been reset */
40 	char **p;		/* parameter list */
41 	char **optnext;		/* next parameter to be processed by getopts */
42 	char *optptr;		/* used by getopts */
43 };
44 
45 
46 
47 #define eflag optlist[0].val
48 #define fflag optlist[1].val
49 #define Iflag optlist[2].val
50 #define iflag optlist[3].val
51 #define mflag optlist[4].val
52 #define nflag optlist[5].val
53 #define sflag optlist[6].val
54 #define xflag optlist[7].val
55 #define vflag optlist[8].val
56 #define Vflag optlist[9].val
57 #define	Eflag optlist[10].val
58 #define	Cflag optlist[11].val
59 #define	aflag optlist[12].val
60 #define	bflag optlist[13].val
61 #define	uflag optlist[14].val
62 #define	privileged optlist[15].val
63 #define	Tflag optlist[16].val
64 #define	Pflag optlist[17].val
65 #define	hflag optlist[18].val
66 
67 #define NOPTS	19
68 
69 struct optent {
70 	const char *name;
71 	const char letter;
72 	char val;
73 };
74 
75 #ifdef DEFINE_OPTIONS
76 struct 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 	{ "trapsasync",	'T',	0 },
94 	{ "physical",	'P',	0 },
95 	{ "trackall",	'h',	0 },
96 };
97 #else
98 extern struct optent optlist[NOPTS];
99 #endif
100 
101 
102 extern char *minusc;		/* argument to -c option */
103 extern char *arg0;		/* $0 */
104 extern struct shparam shellparam;  /* $@ */
105 extern char **argptr;		/* argument list for builtin commands */
106 extern char *shoptarg;		/* set by nextopt */
107 extern char *nextopt_optptr;	/* used by nextopt */
108 
109 void procargs(int, char **);
110 void optschanged(void);
111 void setparam(char **);
112 void freeparam(struct shparam *);
113 int nextopt(const char *);
114 void getoptsreset(const char *);
115