/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1991, 1993
 *      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. 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.
 */

struct shparam {
        int nparam;             /* # of positional parameters (without $0) */
        unsigned char malloc;   /* if parameter list dynamically allocated */
        unsigned char reset;    /* if getopts has been reset */
        char **p;               /* parameter list */
        char **optp;            /* parameter list for getopts */
        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 mflag optval[4]
#define nflag optval[5]
#define sflag optval[6]
#define xflag optval[7]
#define vflag optval[8]
#define Vflag optval[9]
#define Eflag optval[10]
#define Cflag optval[11]
#define aflag optval[12]
#define bflag optval[13]
#define uflag optval[14]
#define privileged optval[15]
#define Tflag optval[16]
#define Pflag optval[17]
#define hflag optval[18]
#define nologflag optval[19]
#define pipefailflag optval[20]
#define verifyflag optval[21]

#define NSHORTOPTS      19
#define NOPTS           22

extern char optval[NOPTS];
extern const char optletter[NSHORTOPTS];
#ifdef DEFINE_OPTIONS
char optval[NOPTS];
const char optletter[NSHORTOPTS] __nonstring = "efIimnsxvVECabupTPh";
static const unsigned char optname[] =
        "\007errexit"
        "\006noglob"
        "\011ignoreeof"
        "\013interactive"
        "\007monitor"
        "\006noexec"
        "\005stdin"
        "\006xtrace"
        "\007verbose"
        "\002vi"
        "\005emacs"
        "\011noclobber"
        "\011allexport"
        "\006notify"
        "\007nounset"
        "\012privileged"
        "\012trapsasync"
        "\010physical"
        "\010trackall"
        "\005nolog"
        "\010pipefail"
        "\006verify"
;
#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 *shoptarg;          /* set by nextopt */
extern char *nextopt_optptr;    /* used by nextopt */

int procargs(int, char **);
void optschanged(void);
void freeparam(struct shparam *);
int nextopt(const char *);
void getoptsreset(const char *);