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options.h revision 1.9 
      1 /*	$NetBSD: options.h,v 1.9 1996/06/25 16:47:44 christos Exp $	*/
      2 
      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. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  *
     38  *	@(#)options.h	8.2 (Berkeley) 5/4/95
     39  */
     40 
     41 struct shparam {
     42 	int nparam;	/* number of positional parameters (without $0) */
     43 	char malloc;	/* true if parameter list dynamicly allocated */
     44 	char **p;		/* parameter list */
     45 	char **optnext;	/* next parameter to be processed by getopts */
     46 	char *optptr;	/* used by getopts */
     47 };
     48 
     49 
     50 
     51 #define eflag optlist[0].val
     52 #define fflag optlist[1].val
     53 #define Iflag optlist[2].val
     54 #define iflag optlist[3].val
     55 #define mflag optlist[4].val
     56 #define nflag optlist[5].val
     57 #define sflag optlist[6].val
     58 #define xflag optlist[7].val
     59 #define vflag optlist[8].val
     60 #define Vflag optlist[9].val
     61 #define	Eflag optlist[10].val
     62 #define	Cflag optlist[11].val
     63 #define	aflag optlist[12].val
     64 #define	bflag optlist[13].val
     65 #define	uflag optlist[14].val
     66 
     67 #define NOPTS	15
     68 
     69 struct optent {
     70 	const char *name;
     71 	const char letter;
     72 	char val;
     73 };
     74 
     75 #ifdef DEFINE_OPTIONS
     76 struct optent optlist[NOPTS] = {
     77 	{ "errexit",	'e',	0 },
     78 	{ "noglob",	'f',	0 },
     79 	{ "ignoreeof",	'I',	0 },
     80 	{ "interactive",'i',	0 },
     81 	{ "monitor",	'm',	0 },
     82 	{ "noexec",	'n',	0 },
     83 	{ "stdin",	's',	0 },
     84 	{ "xtrace",	'x',	0 },
     85 	{ "verbose",	'v',	0 },
     86 	{ "vi",		'V',	0 },
     87 	{ "emacs",	'E',	0 },
     88 	{ "noclobber",	'C',	0 },
     89 	{ "allexport",	'a',	0 },
     90 	{ "notify",	'b',	0 },
     91 	{ "nounset",	'u',	0 },
     92 };
     93 #else
     94 extern struct optent optlist[NOPTS];
     95 #endif
     96 
     97 
     98 extern char *minusc;		/* argument to -c option */
     99 extern char *arg0;		/* $0 */
    100 extern struct shparam shellparam;  /* $@ */
    101 extern char **argptr;		/* argument list for builtin commands */
    102 extern char *optarg;		/* set by nextopt */
    103 extern char *optptr;		/* used by nextopt */
    104 
    105 void procargs __P((int, char **));
    106 void optschanged __P((void));
    107 void setparam __P((char **));
    108 void freeparam __P((struct shparam *));
    109 int shiftcmd __P((int, char **));
    110 int setcmd __P((int, char **));
    111 int getoptscmd __P((int, char **));
    112 int nextopt __P((char *));
    113 void getoptsreset __P((const char *));
    114