f359a311bc
or less random (and becoming worse as more options are added.) Since the data is known at compile time, sort at compile time, rather than at run time.
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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