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source: kBuild/trunk/src/kash/options.h@ 2291

Last change on this file since 2291 was 2290, checked in by bird, 16 years ago

kash: malloc/free/friends gets a psh.

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  • Property svn:keywords set to Id
File size: 5.5 KB
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1/* $NetBSD: options.h,v 1.18 2005/05/07 19:52:17 dsl 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. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)options.h 8.2 (Berkeley) 5/4/95
35 */
36
37#ifndef ___options_h
38#define ___options_h
39
40struct shparam {
41 int nparam; /* # of positional parameters (without $0) */
42 unsigned char malloc; /* if parameter list dynamically allocated */
43 unsigned char reset; /* if getopts has been reset */
44 char **p; /* parameter list */
45 char **optnext; /* next parameter to be processed by getopts */
46 char *optptr; /* used by getopts */
47};
48
49
50struct optent {
51 const char *name; /* for set -o <name> */
52 const char letter; /* set [+/-]<letter> and $- */
53 const char opt_set; /* mutually exclusive option set */
54 char val; /* value of <letter>flag */
55};
56
57/* Those marked [U] are required by posix, but have no effect! */
58
59#ifdef DEBUG
60# define NOPTS 21
61#else
62# define NOPTS 20
63#endif
64
65#ifdef DEFINE_OPTIONS
66# define DEF_OPTS(name, letter, opt_set) {name, letter, opt_set, 0},
67const struct optent ro_optlist[NOPTS] = {
68#else
69# define DEF_OPTS(name, letter, opt_set)
70#endif
71#define DEF_OPT(name,letter) DEF_OPTS(name, letter, 0)
72
73DEF_OPT( "errexit", 'e' ) /* exit on error */
74#define eflag(psh) (psh)->optlist[0].val
75DEF_OPT( "noglob", 'f' ) /* no pathname expansion */
76#define fflag(psh) (psh)->optlist[1].val
77DEF_OPT( "ignoreeof", 'I' ) /* do not exit on EOF */
78#define Iflag(psh) (psh)->optlist[2].val
79DEF_OPT( "interactive",'i' ) /* interactive shell */
80#define iflag(psh) (psh)->optlist[3].val
81DEF_OPT( "monitor", 'm' ) /* job control */
82#define mflag(psh) (psh)->optlist[4].val
83DEF_OPT( "noexec", 'n' ) /* [U] do not exec commands */
84#define nflag(psh) (psh)->optlist[5].val
85DEF_OPT( "stdin", 's' ) /* read from stdin */
86#define sflag(psh) (psh)->optlist[6].val
87DEF_OPT( "xtrace", 'x' ) /* trace after expansion */
88#define xflag(psh) (psh)->optlist[7].val
89DEF_OPT( "verbose", 'v' ) /* trace read input */
90#define vflag(psh) (psh)->optlist[8].val
91DEF_OPTS( "vi", 'V', 'V' ) /* vi style editing */
92#define Vflag(psh) (psh)->optlist[9].val
93DEF_OPTS( "emacs", 'E', 'V' ) /* emacs style editing */
94#define Eflag(psh) (psh)->optlist[10].val
95DEF_OPT( "noclobber", 'C' ) /* do not overwrite files with > */
96#define Cflag(psh) (psh)->optlist[11].val
97DEF_OPT( "allexport", 'a' ) /* export all variables */
98#define aflag(psh) (psh)->optlist[12].val
99DEF_OPT( "notify", 'b' ) /* [U] report completion of background jobs */
100#define bflag(psh) (psh)->optlist[13].val
101DEF_OPT( "nounset", 'u' ) /* error expansion of unset variables */
102#define uflag(psh) (psh)->optlist[14].val
103DEF_OPT( "quietprofile", 'q' )
104#define qflag(psh) (psh)->optlist[15].val
105DEF_OPT( "nolog", 0 ) /* [U] no functon defs in command history */
106#define nolog(psh) (psh)->optlist[16].val
107DEF_OPT( "cdprint", 0 ) /* always print result of cd */
108#define cdprint(psh) (psh)->optlist[17].val
109DEF_OPT( "tabcomplete", 0 ) /* <tab> causes filename expansion */
110#define tabcomplete(psh) (psh)->optlist[18].val
111#ifdef DEBUG
112DEF_OPT( "debug", 0 ) /* enable debug prints */
113#define debug(psh) (psh)->optlist[19].val
114#endif
115
116#ifdef DEFINE_OPTIONS
117 { 0, 0, 0, 0 },
118};
119#else
120extern const struct optent ro_optlist[];
121#endif
122#define sizeof_optlist (NOPTS * sizeof(struct optent))
123
124
125/*extern char *minusc;*/ /* argument to -c option */
126/*extern char *arg0;*/ /* $0 */
127/*extern struct shparam shellparam;*/ /* $@ */
128/*extern char **argptr;*/ /* argument list for builtin commands */
129/*extern char *optionarg;*/ /* set by nextopt */
130/*extern char *optptr;*/ /* used by nextopt */
131
132void procargs(struct shinstance *, int, char **);
133void optschanged(struct shinstance *);
134void setparam(struct shinstance *, char **);
135void freeparam(struct shinstance *, volatile struct shparam *);
136int shiftcmd(struct shinstance *, int, char **);
137int setcmd(struct shinstance *, int, char **);
138int getoptscmd(struct shinstance *, int, char **);
139int nextopt(struct shinstance *, const char *);
140void getoptsreset(struct shinstance *, const char *);
141
142#endif
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