xref: /386bsd/usr/src/bin/sh/options.h (revision a2142627)
1 /*-
2  * Copyright (c) 1991 The Regents of the University of California.
3  * 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	5.1 (Berkeley) 3/7/91
37  */
38 
39 struct 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 optval[0]
50 #define fflag optval[1]
51 #define Iflag optval[2]
52 #define iflag optval[3]
53 #define jflag optval[4]
54 #define nflag optval[5]
55 #define sflag optval[6]
56 #define xflag optval[7]
57 #define zflag optval[8]
58 #define vflag optval[9]
59 
60 #define NOPTS	10
61 
62 #ifdef DEFINE_OPTIONS
63 const char optchar[NOPTS+1] = "efIijnsxzv";       /* shell flags */
64 char optval[NOPTS+1];           /* values of option flags */
65 #else
66 extern const char optchar[NOPTS+1];
67 extern char optval[NOPTS+1];
68 #endif
69 
70 
71 extern char *minusc;		/* argument to -c option */
72 extern char *arg0;		/* $0 */
73 extern struct shparam shellparam;  /* $@ */
74 extern char **argptr;		/* argument list for builtin commands */
75 extern char *optarg;		/* set by nextopt */
76 extern char *optptr;		/* used by nextopt */
77 
78 
79 #ifdef __STDC__
80 void procargs(int, char **);
81 void setparam(char **);
82 void freeparam(struct shparam *);
83 int nextopt(char *);
84 #else
85 void procargs();
86 void setparam();
87 void freeparam();
88 int nextopt();
89 #endif
90