[626] | 1 | /* $NetBSD: options.h,v 1.18 2005/05/07 19:52:17 dsl Exp $ */
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| 2 |
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| 3 | /*-
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| 4 | * Copyright (c) 1991, 1993
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| 5 | * The Regents of the University of California. All rights reserved.
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| 6 | *
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| 7 | * This code is derived from software contributed to Berkeley by
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| 8 | * Kenneth Almquist.
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| 9 | *
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| 10 | * Redistribution and use in source and binary forms, with or without
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| 11 | * modification, are permitted provided that the following conditions
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| 12 | * are met:
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| 13 | * 1. Redistributions of source code must retain the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer.
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright
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| 16 | * notice, this list of conditions and the following disclaimer in the
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| 17 | * documentation and/or other materials provided with the distribution.
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| 18 | * 3. Neither the name of the University nor the names of its contributors
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| 19 | * may be used to endorse or promote products derived from this software
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| 20 | * without specific prior written permission.
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| 21 | *
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| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 32 | * SUCH DAMAGE.
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| 33 | *
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| 34 | * @(#)options.h 8.2 (Berkeley) 5/4/95
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| 35 | */
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| 36 |
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[1198] | 37 | #ifndef ___options_h
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| 38 | #define ___options_h
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| 39 |
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[626] | 40 | struct shparam {
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| 41 | int nparam; /* # of positional parameters (without $0) */
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| 42 | unsigned char malloc; /* if parameter list dynamically allocated */
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| 43 | unsigned char reset; /* if getopts has been reset */
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| 44 | char **p; /* parameter list */
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| 45 | char **optnext; /* next parameter to be processed by getopts */
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| 46 | char *optptr; /* used by getopts */
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| 47 | };
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| 48 |
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| 49 |
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| 50 | struct optent {
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| 51 | const char *name; /* for set -o <name> */
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| 52 | const char letter; /* set [+/-]<letter> and $- */
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| 53 | const char opt_set; /* mutually exclusive option set */
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| 54 | char val; /* value of <letter>flag */
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| 55 | };
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| 56 |
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| 57 | /* Those marked [U] are required by posix, but have no effect! */
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| 58 |
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[879] | 59 | #ifdef DEBUG
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[2672] | 60 | # define NOPTS 20
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[879] | 61 | #else
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[2672] | 62 | # define NOPTS 19
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[1198] | 63 | #endif
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[879] | 64 |
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[626] | 65 | #ifdef DEFINE_OPTIONS
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[1214] | 66 | # define DEF_OPTS(name, letter, opt_set) {name, letter, opt_set, 0},
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[2679] | 67 | const struct optent ro_optlist[NOPTS + 1] = {
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[626] | 68 | #else
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[1214] | 69 | # define DEF_OPTS(name, letter, opt_set)
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[626] | 70 | #endif
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| 71 | #define DEF_OPT(name,letter) DEF_OPTS(name, letter, 0)
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| 72 |
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| 73 | DEF_OPT( "errexit", 'e' ) /* exit on error */
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[1198] | 74 | #define eflag(psh) (psh)->optlist[0].val
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[626] | 75 | DEF_OPT( "noglob", 'f' ) /* no pathname expansion */
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[1198] | 76 | #define fflag(psh) (psh)->optlist[1].val
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[626] | 77 | DEF_OPT( "ignoreeof", 'I' ) /* do not exit on EOF */
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[1198] | 78 | #define Iflag(psh) (psh)->optlist[2].val
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[626] | 79 | DEF_OPT( "interactive",'i' ) /* interactive shell */
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[1198] | 80 | #define iflag(psh) (psh)->optlist[3].val
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[626] | 81 | DEF_OPT( "monitor", 'm' ) /* job control */
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[1198] | 82 | #define mflag(psh) (psh)->optlist[4].val
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[626] | 83 | DEF_OPT( "noexec", 'n' ) /* [U] do not exec commands */
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[1198] | 84 | #define nflag(psh) (psh)->optlist[5].val
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[626] | 85 | DEF_OPT( "stdin", 's' ) /* read from stdin */
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[1198] | 86 | #define sflag(psh) (psh)->optlist[6].val
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[626] | 87 | DEF_OPT( "xtrace", 'x' ) /* trace after expansion */
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[1198] | 88 | #define xflag(psh) (psh)->optlist[7].val
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[626] | 89 | DEF_OPT( "verbose", 'v' ) /* trace read input */
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[1198] | 90 | #define vflag(psh) (psh)->optlist[8].val
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[626] | 91 | DEF_OPTS( "vi", 'V', 'V' ) /* vi style editing */
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[1198] | 92 | #define Vflag(psh) (psh)->optlist[9].val
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[626] | 93 | DEF_OPTS( "emacs", 'E', 'V' ) /* emacs style editing */
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[1198] | 94 | #define Eflag(psh) (psh)->optlist[10].val
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[626] | 95 | DEF_OPT( "noclobber", 'C' ) /* do not overwrite files with > */
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[1198] | 96 | #define Cflag(psh) (psh)->optlist[11].val
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[626] | 97 | DEF_OPT( "allexport", 'a' ) /* export all variables */
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[1198] | 98 | #define aflag(psh) (psh)->optlist[12].val
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[626] | 99 | DEF_OPT( "notify", 'b' ) /* [U] report completion of background jobs */
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[1198] | 100 | #define bflag(psh) (psh)->optlist[13].val
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[626] | 101 | DEF_OPT( "nounset", 'u' ) /* error expansion of unset variables */
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[1198] | 102 | #define uflag(psh) (psh)->optlist[14].val
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[626] | 103 | DEF_OPT( "quietprofile", 'q' )
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[1198] | 104 | #define qflag(psh) (psh)->optlist[15].val
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[626] | 105 | DEF_OPT( "nolog", 0 ) /* [U] no functon defs in command history */
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[1198] | 106 | #define nolog(psh) (psh)->optlist[16].val
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[626] | 107 | DEF_OPT( "cdprint", 0 ) /* always print result of cd */
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[1198] | 108 | #define cdprint(psh) (psh)->optlist[17].val
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[626] | 109 | DEF_OPT( "tabcomplete", 0 ) /* <tab> causes filename expansion */
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[1198] | 110 | #define tabcomplete(psh) (psh)->optlist[18].val
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[626] | 111 | #ifdef DEBUG
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| 112 | DEF_OPT( "debug", 0 ) /* enable debug prints */
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[1198] | 113 | #define debug(psh) (psh)->optlist[19].val
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[626] | 114 | #endif
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| 115 |
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| 116 | #ifdef DEFINE_OPTIONS
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| 117 | { 0, 0, 0, 0 },
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| 118 | };
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| 119 | #else
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[879] | 120 | extern const struct optent ro_optlist[];
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[626] | 121 | #endif
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[879] | 122 | #define sizeof_optlist (NOPTS * sizeof(struct optent))
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[626] | 123 |
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| 124 |
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[879] | 125 | /*extern char *minusc;*/ /* argument to -c option */
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| 126 | /*extern char *arg0;*/ /* $0 */
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| 127 | /*extern struct shparam shellparam;*/ /* $@ */
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| 128 | /*extern char **argptr;*/ /* argument list for builtin commands */
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| 129 | /*extern char *optionarg;*/ /* set by nextopt */
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| 130 | /*extern char *optptr;*/ /* used by nextopt */
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[626] | 131 |
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[3438] | 132 | #ifndef SH_FORKED_MODE
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| 133 | void subshellinitoptions(struct shinstance *, struct shinstance *);
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| 134 | #endif
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[879] | 135 | void procargs(struct shinstance *, int, char **);
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| 136 | void optschanged(struct shinstance *);
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| 137 | void setparam(struct shinstance *, char **);
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[2290] | 138 | void freeparam(struct shinstance *, volatile struct shparam *);
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[879] | 139 | int shiftcmd(struct shinstance *, int, char **);
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| 140 | int setcmd(struct shinstance *, int, char **);
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| 141 | int getoptscmd(struct shinstance *, int, char **);
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| 142 | int nextopt(struct shinstance *, const char *);
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| 143 | void getoptsreset(struct shinstance *, const char *);
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[1198] | 144 |
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| 145 | #endif
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