xref: /dragonfly/bin/sh/options.h (revision 36a3d1d6)
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  * $FreeBSD: src/bin/sh/options.h,v 1.9.2.3 2002/08/27 01:36:28 tjr Exp $
38  * $DragonFly: src/bin/sh/options.h,v 1.4 2006/09/28 22:29:44 pavalos Exp $
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	privileged optlist[15].val
68 #define	Tflag optlist[16].val
69 #define	Pflag optlist[17].val
70 #define	tabcomplete optlist[18].val
71 
72 #define NOPTS	19
73 
74 struct optent {
75 	const char *name;
76 	const char letter;
77 	char val;
78 };
79 
80 #ifdef DEFINE_OPTIONS
81 struct optent optlist[NOPTS] = {
82 	{ "errexit",	'e',	0 },
83 	{ "noglob",	'f',	0 },
84 	{ "ignoreeof",	'I',	0 },
85 	{ "interactive",'i',	0 },
86 	{ "monitor",	'm',	0 },
87 	{ "noexec",	'n',	0 },
88 	{ "stdin",	's',	0 },
89 	{ "xtrace",	'x',	0 },
90 	{ "verbose",	'v',	0 },
91 	{ "vi",		'V',	0 },
92 	{ "emacs",	'E',	0 },
93 	{ "noclobber",	'C',	0 },
94 	{ "allexport",	'a',	0 },
95 	{ "notify",	'b',	0 },
96 	{ "nounset",	'u',	0 },
97 	{ "privileged",	'p',	0 },
98 	{ "trapsasync",	'T',	0 },
99 	{ "physical",	'P',	0 },
100 	{ "tabcomplete", '\0',	0 },
101 };
102 #else
103 extern struct optent optlist[NOPTS];
104 #endif
105 
106 
107 extern char *minusc;		/* argument to -c option */
108 extern char *arg0;		/* $0 */
109 extern struct shparam shellparam;  /* $@ */
110 extern char **argptr;		/* argument list for builtin commands */
111 extern const char *shoptarg;	/* set by nextopt */
112 extern const char *optptr;	/* used by nextopt */
113 
114 void procargs(int, char **);
115 void optschanged(void);
116 void setparam(char **);
117 void freeparam(volatile struct shparam *);
118 int shiftcmd(int, char **);
119 int setcmd(int, char **);
120 int getoptscmd(int, char **);
121 int nextopt(const char *);
122 void getoptsreset(const char *);
123