bin/sh/options.h

   1 /*-
   2  * Copyright (c) 1991, 1993
   3  *      The Regents of the University of California.  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   8.2 (Berkeley) 5/4/95
  37  * $FreeBSD: src/bin/sh/options.h,v 1.9.2.3 2002/08/27 01:36:28 tjr Exp $
  38  * $DragonFly: src/bin/sh/options.h,v 1.4 2006/09/28 22:29:44 pavalos Exp $
  39  */
  40
  41 struct shparam {
  42         int nparam;             /* # of positional parameters (without $0) */
  43         unsigned char malloc;   /* if parameter list dynamically allocated */
  44         unsigned char reset;    /* if getopts has been reset */
  45         char **p;               /* parameter list */
  46         char **optnext;         /* next parameter to be processed by getopts */
  47         char *optptr;           /* used by getopts */
  48 };
  49
  50
  51
  52 #define eflag optlist[0].val
  53 #define fflag optlist[1].val
  54 #define Iflag optlist[2].val
  55 #define iflag optlist[3].val
  56 #define mflag optlist[4].val
  57 #define nflag optlist[5].val
  58 #define sflag optlist[6].val
  59 #define xflag optlist[7].val
  60 #define vflag optlist[8].val
  61 #define Vflag optlist[9].val
  62 #define Eflag optlist[10].val
  63 #define Cflag optlist[11].val
  64 #define aflag optlist[12].val
  65 #define bflag optlist[13].val
  66 #define uflag optlist[14].val
  67 #define privileged optlist[15].val
  68 #define Tflag optlist[16].val
  69 #define Pflag optlist[17].val
  70
  71 #define NOPTS   18
  72
  73 struct optent {
  74         const char *name;
  75         const char letter;
  76         char val;
  77 };
  78
  79 #ifdef DEFINE_OPTIONS
  80 struct optent optlist[NOPTS] = {
  81         { "errexit",    'e',    0 },
  82         { "noglob",     'f',    0 },
  83         { "ignoreeof",  'I',    0 },
  84         { "interactive",'i',    0 },
  85         { "monitor",    'm',    0 },
  86         { "noexec",     'n',    0 },
  87         { "stdin",      's',    0 },
  88         { "xtrace",     'x',    0 },
  89         { "verbose",    'v',    0 },
  90         { "vi",         'V',    0 },
  91         { "emacs",      'E',    0 },
  92         { "noclobber",  'C',    0 },
  93         { "allexport",  'a',    0 },
  94         { "notify",     'b',    0 },
  95         { "nounset",    'u',    0 },
  96         { "privileged", 'p',    0 },
  97         { "trapsasync", 'T',    0 },
  98         { "physical",   'P',    0 },
  99 };
 100 #else
 101 extern struct optent optlist[NOPTS];
 102 #endif
 103
 104
 105 extern char *minusc;            /* argument to -c option */
 106 extern char *arg0;              /* $0 */
 107 extern struct shparam shellparam;  /* $@ */
 108 extern char **argptr;           /* argument list for builtin commands */
 109 extern const char *shoptarg;    /* set by nextopt */
 110 extern const char *optptr;      /* used by nextopt */
 111
 112 void procargs(int, char **);
 113 void optschanged(void);
 114 void setparam(char **);
 115 void freeparam(volatile struct shparam *);
 116 int shiftcmd(int, char **);
 117 int setcmd(int, char **);
 118 int getoptscmd(int, char **);
 119 int nextopt(const char *);
 120 void getoptsreset(const char *);