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  * 4. Neither the name of the University nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  *      @(#)options.h   8.2 (Berkeley) 5/4/95
  33  * $FreeBSD: head/bin/sh/options.h 294348 2016-01-19 22:41:26Z jilles $
  34  */
  35
  36 struct shparam {
  37         int nparam;             /* # of positional parameters (without $0) */
  38         unsigned char malloc;   /* if parameter list dynamically allocated */
  39         unsigned char reset;    /* if getopts has been reset */
  40         char **p;               /* parameter list */
  41         char **optp;            /* parameter list for getopts */
  42         char **optnext;         /* next parameter to be processed by getopts */
  43         char *optptr;           /* used by getopts */
  44 };
  45
  46
  47
  48 #define eflag optval[0]
  49 #define fflag optval[1]
  50 #define Iflag optval[2]
  51 #define iflag optval[3]
  52 #define mflag optval[4]
  53 #define nflag optval[5]
  54 #define sflag optval[6]
  55 #define xflag optval[7]
  56 #define vflag optval[8]
  57 #define Vflag optval[9]
  58 #define Eflag optval[10]
  59 #define Cflag optval[11]
  60 #define aflag optval[12]
  61 #define bflag optval[13]
  62 #define uflag optval[14]
  63 #define privileged optval[15]
  64 #define Tflag optval[16]
  65 #define Pflag optval[17]
  66 #define hflag optval[18]
  67 #define nologflag optval[19]
  68
  69 #define NSHORTOPTS      19
  70 #define NOPTS           20
  71
  72 extern char optval[NOPTS];
  73 extern const char optletter[NSHORTOPTS];
  74 #ifdef DEFINE_OPTIONS
  75 char optval[NOPTS];
  76 const char optletter[NSHORTOPTS] = "efIimnsxvVECabupTPh";
  77 static const unsigned char optname[] =
  78         "\007errexit"
  79         "\006noglob"
  80         "\011ignoreeof"
  81         "\013interactive"
  82         "\007monitor"
  83         "\006noexec"
  84         "\005stdin"
  85         "\006xtrace"
  86         "\007verbose"
  87         "\002vi"
  88         "\005emacs"
  89         "\011noclobber"
  90         "\011allexport"
  91         "\006notify"
  92         "\007nounset"
  93         "\012privileged"
  94         "\012trapsasync"
  95         "\010physical"
  96         "\010trackall"
  97         "\005nolog"
  98 ;
  99 #endif
 100
 101
 102 extern char *minusc;            /* argument to -c option */
 103 extern char *arg0;              /* $0 */
 104 extern struct shparam shellparam;  /* $@ */
 105 extern char **argptr;           /* argument list for builtin commands */
 106 extern char *shoptarg;          /* set by nextopt */
 107 extern char *nextopt_optptr;    /* used by nextopt */
 108
 109 void procargs(int, char **);
 110 void optschanged(void);
 111 void freeparam(struct shparam *);
 112 int nextopt(const char *);
 113 void getoptsreset(const char *);