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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37 | #ifndef ___options_h
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38 | #define ___options_h
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39 |
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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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59 | #ifdef DEBUG
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60 | # define NOPTS 21
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61 | #else
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62 | # define NOPTS 20
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63 | #endif
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64 |
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65 | #ifdef DEFINE_OPTIONS
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66 | # define DEF_OPTS(name, letter, opt_set) {name, letter, opt_set, 0},
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67 | const struct optent ro_optlist[NOPTS] = {
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68 | #else
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69 | # define DEF_OPTS(name, letter, opt_set)
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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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74 | #define eflag(psh) (psh)->optlist[0].val
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75 | DEF_OPT( "noglob", 'f' ) /* no pathname expansion */
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76 | #define fflag(psh) (psh)->optlist[1].val
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77 | DEF_OPT( "ignoreeof", 'I' ) /* do not exit on EOF */
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78 | #define Iflag(psh) (psh)->optlist[2].val
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79 | DEF_OPT( "interactive",'i' ) /* interactive shell */
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80 | #define iflag(psh) (psh)->optlist[3].val
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81 | DEF_OPT( "monitor", 'm' ) /* job control */
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82 | #define mflag(psh) (psh)->optlist[4].val
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83 | DEF_OPT( "noexec", 'n' ) /* [U] do not exec commands */
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84 | #define nflag(psh) (psh)->optlist[5].val
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85 | DEF_OPT( "stdin", 's' ) /* read from stdin */
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86 | #define sflag(psh) (psh)->optlist[6].val
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87 | DEF_OPT( "xtrace", 'x' ) /* trace after expansion */
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88 | #define xflag(psh) (psh)->optlist[7].val
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89 | DEF_OPT( "verbose", 'v' ) /* trace read input */
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90 | #define vflag(psh) (psh)->optlist[8].val
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91 | DEF_OPTS( "vi", 'V', 'V' ) /* vi style editing */
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92 | #define Vflag(psh) (psh)->optlist[9].val
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93 | DEF_OPTS( "emacs", 'E', 'V' ) /* emacs style editing */
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94 | #define Eflag(psh) (psh)->optlist[10].val
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95 | DEF_OPT( "noclobber", 'C' ) /* do not overwrite files with > */
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96 | #define Cflag(psh) (psh)->optlist[11].val
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97 | DEF_OPT( "allexport", 'a' ) /* export all variables */
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98 | #define aflag(psh) (psh)->optlist[12].val
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99 | DEF_OPT( "notify", 'b' ) /* [U] report completion of background jobs */
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100 | #define bflag(psh) (psh)->optlist[13].val
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101 | DEF_OPT( "nounset", 'u' ) /* error expansion of unset variables */
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102 | #define uflag(psh) (psh)->optlist[14].val
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103 | DEF_OPT( "quietprofile", 'q' )
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104 | #define qflag(psh) (psh)->optlist[15].val
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105 | DEF_OPT( "nolog", 0 ) /* [U] no functon defs in command history */
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106 | #define nolog(psh) (psh)->optlist[16].val
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107 | DEF_OPT( "cdprint", 0 ) /* always print result of cd */
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108 | #define cdprint(psh) (psh)->optlist[17].val
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109 | DEF_OPT( "tabcomplete", 0 ) /* <tab> causes filename expansion */
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110 | #define tabcomplete(psh) (psh)->optlist[18].val
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111 | #ifdef DEBUG
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112 | DEF_OPT( "debug", 0 ) /* enable debug prints */
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113 | #define debug(psh) (psh)->optlist[19].val
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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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120 | extern const struct optent ro_optlist[];
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121 | #endif
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122 | #define sizeof_optlist (NOPTS * sizeof(struct optent))
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123 |
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124 |
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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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131 |
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132 | void procargs(struct shinstance *, int, char **);
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133 | void optschanged(struct shinstance *);
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134 | void setparam(struct shinstance *, char **);
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135 | void freeparam(struct shinstance *, volatile struct shparam *);
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136 | int shiftcmd(struct shinstance *, int, char **);
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137 | int setcmd(struct shinstance *, int, char **);
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138 | int getoptscmd(struct shinstance *, int, char **);
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139 | int nextopt(struct shinstance *, const char *);
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140 | void getoptsreset(struct shinstance *, const char *);
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141 |
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142 | #endif
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