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options.h revision 1.5 
      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  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by the University of
     19  *	California, Berkeley and its contributors.
     20  * 4. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  *	@(#)options.h	8.1 (Berkeley) 5/31/93
     37  */
     38 
     39 struct shparam {
     40 	int nparam;	/* number of positional parameters (without $0) */
     41 	char malloc;	/* true if parameter list dynamicly allocated */
     42 	char **p;		/* parameter list */
     43 	char **optnext;	/* next parameter to be processed by getopts */
     44 	char *optptr;	/* used by getopts */
     45 };
     46 
     47 
     48 
     49 #define eflag optlist[0].val
     50 #define fflag optlist[1].val
     51 #define Iflag optlist[2].val
     52 #define iflag optlist[3].val
     53 #define mflag optlist[4].val
     54 #define nflag optlist[5].val
     55 #define sflag optlist[6].val
     56 #define xflag optlist[7].val
     57 #define vflag optlist[8].val
     58 #define Vflag optlist[9].val
     59 #define	Eflag optlist[10].val
     60 #define	Cflag optlist[11].val
     61 #define	aflag optlist[12].val
     62 #define	bflag optlist[13].val
     63 #define	uflag optlist[14].val
     64 
     65 #define NOPTS	15
     66 
     67 struct optent {
     68 	const char *name;
     69 	const char letter;
     70 	char val;
     71 };
     72 
     73 #ifdef DEFINE_OPTIONS
     74 struct optent optlist[NOPTS] = {
     75 	"errexit",	'e',	0,
     76 	"noglob",	'f',	0,
     77 	"ignoreeof",	'I',	0,
     78 	"interactive",	'i',	0,
     79 	"monitor",	'm',	0,
     80 	"noexec",	'n',	0,
     81 	"stdin",	's',	0,
     82 	"xtrace",	'x',	0,
     83 	"verbose",	'v',	0,
     84 	"vi",		'V',	0,
     85 	"emacs",	'E',	0,
     86 	"noclobber",	'C',	0,
     87 	"allexport",	'a',	0,
     88 	"notify",	'b',	0,
     89 	"nounset",	'u',	0,
     90 };
     91 #else
     92 extern struct optent optlist[NOPTS];
     93 #endif
     94 
     95 
     96 extern char *minusc;		/* argument to -c option */
     97 extern char *arg0;		/* $0 */
     98 extern struct shparam shellparam;  /* $@ */
     99 extern char **argptr;		/* argument list for builtin commands */
    100 extern char *optarg;		/* set by nextopt */
    101 extern char *optptr;		/* used by nextopt */
    102 
    103 
    104 #ifdef __STDC__
    105 void procargs(int, char **);
    106 void setparam(char **);
    107 void freeparam(struct shparam *);
    108 int nextopt(char *);
    109 #else
    110 void procargs();
    111 void setparam();
    112 void freeparam();
    113 int nextopt();
    114 #endif
    115