* Copyright (c) 1992 OMRON Corporation.

/* $NetBSD: parse.c,v 1.8 2016/11/25 17:37:04 tsutsui Exp $ */

/*
* Copyright (c) 1992 OMRON Corporation.
*
* This code is derived from software contributed to Berkeley by
* OMRON Corporation.
*
* 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.
*
* @(#)parse.c 8.1 (Berkeley) 6/10/93
*/
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* OMRON Corporation.
*
* 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.
*
* @(#)parse.c 8.1 (Berkeley) 6/10/93
*/

/*
* parse.c -- command parser
* by A.Fujita, JAN-30-1992
*/

#include <lib/libkern/libkern.h>
#include <luna68k/stand/boot/samachdep.h>
#include <luna68k/stand/boot/status.h>

static int cmd_help(int, char *[]);

int
check_args(int argc, char *argv[])
{
int i;

for (i = 0; i < argc; i++)
printf("argv[%d] = \"%s\"\n", i, argv[i]);

return ST_NORMAL;
}

int
exit_program(int argc, char *argv[])
{

return ST_EXIT;
}

static const char helpmsg[] =
"commands are:\n"
"boot [device(unit,part)filename] [-ads]\n"
" (ex. \"boot sd(6,0)netbsd\", \"boot le()netbsd.old\" etc.)\n"
" Note unit number for SCSI device is (ctlr) * 10 + (id).\n"
"ls [device(unit, part)[path]]\n"
" (ex. \"ls sd(0,0)/bin\")\n"
"help\n"
"exit\n"
#if 0 /* debug commands */
"checkargs\n"
"disklabel\n"
"howto\n"
"screen\n"
"scsi\n"
#endif
;

static int
cmd_help(int argc, char *argv[])
{

printf(helpmsg);
return ST_NORMAL;
}

struct command_entry {
char *name;
int (*func)(int, char **);
};

static const struct command_entry entries[] = {
{ "b", boot },
{ "boot", boot },
{ "chkargs", check_args },
{ "disklabel", disklabel },
{ "exit", exit_program },
#ifdef notyet
{ "fsdump", fsdump },
{ "fsrestore", fsrestore },
#endif
{ "help", cmd_help },
{ "ls", cmd_ls },
{ "screen", screen },
#ifdef notyet
{ "tape", tape },
{ "tp", tape },
#endif
{ "scsi", scsi },
{ "quit", exit_program },
{ NULL, NULL }
};

int
parse(int argc, char *argv[])
{
int i, status = ST_NOTFOUND;

for (i = 0; entries[i].name != NULL; i++) {
if (!strcmp(argv[0], entries[i].name)) {
status = (*entries[i].func)(argc, argv);
break;
}
}

return status;
}

/*
* getargs -- make argument arrays
*/

int
getargs(char buffer[], char *argv[], int maxargs)
{
int n = 0;
char *p = buffer;

argv[n++] = p;
while (*p != '\0') {
if (*p == ' ') {
*p = '\0';
} else if (p != buffer && *(p - 1) == '\0') {
if (n < maxargs)
argv[n++] = p;
}
p++;
}

return n;
}