73 lines
3.0 KiB
C
73 lines
3.0 KiB
C
/* $NetBSD: options.h,v 1.27 2017/05/28 00:38:01 kre Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Kenneth Almquist.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)options.h 8.2 (Berkeley) 5/4/95
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*/
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struct shparam {
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int nparam; /* # of positional parameters (without $0) */
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unsigned char malloc; /* if parameter list dynamically allocated */
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unsigned char reset; /* if getopts has been reset */
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char **p; /* parameter list */
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char **optnext; /* next parameter to be processed by getopts */
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char *optptr; /* used by getopts */
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};
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/*
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* Note that option default values can be changed at shell startup
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* depending upon the environment in which the shell is running.
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*/
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struct optent {
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const char *name; /* for set -o <name> */
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const char letter; /* set [+/-]<letter> and $- */
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const char opt_set; /* mutually exclusive option set */
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unsigned char val; /* value of <letter>flag */
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unsigned char dflt; /* default value of flag */
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};
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#include "optinit.h"
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extern char *minusc; /* argument to -c option */
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extern char *arg0; /* $0 */
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extern struct shparam shellparam; /* $@ */
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extern char **argptr; /* argument list for builtin commands */
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extern char *optionarg; /* set by nextopt */
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extern char *optptr; /* used by nextopt */
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void procargs(int, char **);
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void optschanged(void);
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void setparam(char **);
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void freeparam(volatile struct shparam *);
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int nextopt(const char *);
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void getoptsreset(const char *);
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