minix/commands/ash/options.h

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2005-04-21 16:53:53 +02:00
/*-
* Copyright (c) 1991 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Kenneth Almquist.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)options.h 5.1 (Berkeley) 3/7/91
*/
struct shparam {
int nparam; /* number of positional parameters (without $0) */
char malloc; /* true if parameter list dynamicly allocated */
char **p; /* parameter list */
char **optnext; /* next parameter to be processed by getopts */
char *optptr; /* used by getopts */
};
#define eflag optval[0]
#define fflag optval[1]
#define Iflag optval[2]
#define iflag optval[3]
#define jflag optval[4]
#define nflag optval[5]
#define sflag optval[6]
#define xflag optval[7]
#define zflag optval[8]
#define vflag optval[9]
#define NOPTS 10
#ifdef DEFINE_OPTIONS
const char optchar[NOPTS+1] = "efIijnsxzv"; /* shell flags */
char optval[NOPTS+1]; /* values of option flags */
#else
extern const char optchar[NOPTS+1];
extern char optval[NOPTS+1];
#endif
extern char *minusc; /* argument to -c option */
extern char *arg0; /* $0 */
extern struct shparam shellparam; /* $@ */
extern char **argptr; /* argument list for builtin commands */
extern char *optarg; /* set by nextopt */
extern char *optptr; /* used by nextopt */
extern int editable; /* isatty(0) && isatty(1) */
#ifdef __STDC__
void procargs(int, char **);
void setparam(char **);
void freeparam(struct shparam *);
int nextopt(char *);
#else
void procargs();
void setparam();
void freeparam();
int nextopt();
#endif