source: trunk/minix/commands/ash/options.h@ 10

Last change on this file since 10 was 9, checked in by Mattia Monga, 13 years ago

Minix 3.1.2a

File size: 3.2 KB
Line 
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
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 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
63const char optchar[NOPTS+1] = "efIijnsxzv"; /* shell flags */
64char optval[NOPTS+1]; /* values of option flags */
65#else
66extern const char optchar[NOPTS+1];
67extern char optval[NOPTS+1];
68#endif
69
70
71extern char *minusc; /* argument to -c option */
72extern char *arg0; /* $0 */
73extern struct shparam shellparam; /* $@ */
74extern char **argptr; /* argument list for builtin commands */
75extern char *optarg; /* set by nextopt */
76extern char *optptr; /* used by nextopt */
77extern int editable; /* isatty(0) && isatty(1) */
78
79
80#ifdef __STDC__
81void procargs(int, char **);
82void setparam(char **);
83void freeparam(struct shparam *);
84int nextopt(char *);
85#else
86void procargs();
87void setparam();
88void freeparam();
89int nextopt();
90#endif
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