Home | History | Annotate | Line # | Download | only in sh
options.h revision 1.1 
      1 /*-
      2  * Copyright (c) 1991 The Regents of the University of California.
      3  * 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	5.1 (Berkeley) 3/7/91
     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 optval[0]
     50 #define fflag optval[1]
     51 #define Iflag optval[2]
     52 #define iflag optval[3]
     53 #define jflag optval[4]
     54 #define nflag optval[5]
     55 #define sflag optval[6]
     56 #define xflag optval[7]
     57 #define zflag optval[8]
     58 #define vflag optval[9]
     59 
     60 #define NOPTS	10
     61 
     62 #ifdef DEFINE_OPTIONS
     63 const char optchar[NOPTS+1] = "efIijnsxzv";       /* shell flags */
     64 char optval[NOPTS+1];           /* values of option flags */
     65 #else
     66 extern const char optchar[NOPTS+1];
     67 extern char optval[NOPTS+1];
     68 #endif
     69 
     70 
     71 extern char *minusc;		/* argument to -c option */
     72 extern char *arg0;		/* $0 */
     73 extern struct shparam shellparam;  /* $@ */
     74 extern char **argptr;		/* argument list for builtin commands */
     75 extern char *optarg;		/* set by nextopt */
     76 extern char *optptr;		/* used by nextopt */
     77 
     78 
     79 #ifdef __STDC__
     80 void procargs(int, char **);
     81 void setparam(char **);
     82 void freeparam(struct shparam *);
     83 int nextopt(char *);
     84 #else
     85 void procargs();
     86 void setparam();
     87 void freeparam();
     88 int nextopt();
     89 #endif
     90