bin/sh/options.h

   1 /*-
   2  * SPDX-License-Identifier: BSD-3-Clause
   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  * $FreeBSD: head/bin/sh/options.h 344502 2019-02-24 21:05:13Z jilles $
  36  */
  37
  38 struct shparam {
  39         int nparam;             /* # of positional parameters (without $0) */
  40         unsigned char malloc;   /* if parameter list dynamically allocated */
  41         unsigned char reset;    /* if getopts has been reset */
  42         char **p;               /* parameter list */
  43         char **optp;            /* parameter list for getopts */
  44         char **optnext;         /* next parameter to be processed by getopts */
  45         char *optptr;           /* used by getopts */
  46 };
  47
  48
  49
  50 #define eflag optval[0]
  51 #define fflag optval[1]
  52 #define Iflag optval[2]
  53 #define iflag optval[3]
  54 #define mflag optval[4]
  55 #define nflag optval[5]
  56 #define sflag optval[6]
  57 #define xflag optval[7]
  58 #define vflag optval[8]
  59 #define Vflag optval[9]
  60 #define Eflag optval[10]
  61 #define Cflag optval[11]
  62 #define aflag optval[12]
  63 #define bflag optval[13]
  64 #define uflag optval[14]
  65 #define privileged optval[15]
  66 #define Tflag optval[16]
  67 #define Pflag optval[17]
  68 #define hflag optval[18]
  69 #define nologflag optval[19]
  70 #define pipefailflag optval[20]
  71
  72 #define NSHORTOPTS      19
  73 #define NOPTS           21
  74
  75 extern char optval[NOPTS];
  76 extern const char optletter[NSHORTOPTS];
  77 #ifdef DEFINE_OPTIONS
  78 char optval[NOPTS];
  79 const char optletter[NSHORTOPTS] = "efIimnsxvVECabupTPh";
  80 static const unsigned char optname[] =
  81         "\007errexit"
  82         "\006noglob"
  83         "\011ignoreeof"
  84         "\013interactive"
  85         "\007monitor"
  86         "\006noexec"
  87         "\005stdin"
  88         "\006xtrace"
  89         "\007verbose"
  90         "\002vi"
  91         "\005emacs"
  92         "\011noclobber"
  93         "\011allexport"
  94         "\006notify"
  95         "\007nounset"
  96         "\012privileged"
  97         "\012trapsasync"
  98         "\010physical"
  99         "\010trackall"
 100         "\005nolog"
 101         "\010pipefail"
 102 ;
 103 #endif
 104
 105
 106 extern char *minusc;            /* argument to -c option */
 107 extern char *arg0;              /* $0 */
 108 extern struct shparam shellparam;  /* $@ */
 109 extern char **argptr;           /* argument list for builtin commands */
 110 extern char *shoptarg;          /* set by nextopt */
 111 extern char *nextopt_optptr;    /* used by nextopt */
 112
 113 void procargs(int, char **);
 114 void optschanged(void);
 115 void freeparam(struct shparam *);
 116 int nextopt(const char *);
 117 void getoptsreset(const char *);