src/kash/options.h

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