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parse.c revision 1.4.2.2
      1  1.4.2.2  yamt /*	$NetBSD: parse.c,v 1.4.2.2 2013/01/23 00:05:54 yamt Exp $	*/
      2  1.4.2.2  yamt 
      3  1.4.2.2  yamt /*
      4  1.4.2.2  yamt  * Copyright (c) 1992 OMRON Corporation.
      5  1.4.2.2  yamt  *
      6  1.4.2.2  yamt  * This code is derived from software contributed to Berkeley by
      7  1.4.2.2  yamt  * OMRON Corporation.
      8  1.4.2.2  yamt  *
      9  1.4.2.2  yamt  * Redistribution and use in source and binary forms, with or without
     10  1.4.2.2  yamt  * modification, are permitted provided that the following conditions
     11  1.4.2.2  yamt  * are met:
     12  1.4.2.2  yamt  * 1. Redistributions of source code must retain the above copyright
     13  1.4.2.2  yamt  *    notice, this list of conditions and the following disclaimer.
     14  1.4.2.2  yamt  * 2. Redistributions in binary form must reproduce the above copyright
     15  1.4.2.2  yamt  *    notice, this list of conditions and the following disclaimer in the
     16  1.4.2.2  yamt  *    documentation and/or other materials provided with the distribution.
     17  1.4.2.2  yamt  * 3. All advertising materials mentioning features or use of this software
     18  1.4.2.2  yamt  *    must display the following acknowledgement:
     19  1.4.2.2  yamt  *	This product includes software developed by the University of
     20  1.4.2.2  yamt  *	California, Berkeley and its contributors.
     21  1.4.2.2  yamt  * 4. Neither the name of the University nor the names of its contributors
     22  1.4.2.2  yamt  *    may be used to endorse or promote products derived from this software
     23  1.4.2.2  yamt  *    without specific prior written permission.
     24  1.4.2.2  yamt  *
     25  1.4.2.2  yamt  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     26  1.4.2.2  yamt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     27  1.4.2.2  yamt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     28  1.4.2.2  yamt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     29  1.4.2.2  yamt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     30  1.4.2.2  yamt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     31  1.4.2.2  yamt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  1.4.2.2  yamt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  1.4.2.2  yamt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  1.4.2.2  yamt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  1.4.2.2  yamt  * SUCH DAMAGE.
     36  1.4.2.2  yamt  *
     37  1.4.2.2  yamt  *	@(#)parse.c	8.1 (Berkeley) 6/10/93
     38  1.4.2.2  yamt  */
     39  1.4.2.2  yamt /*
     40  1.4.2.2  yamt  * Copyright (c) 1992, 1993
     41  1.4.2.2  yamt  *	The Regents of the University of California.  All rights reserved.
     42  1.4.2.2  yamt  *
     43  1.4.2.2  yamt  * This code is derived from software contributed to Berkeley by
     44  1.4.2.2  yamt  * OMRON Corporation.
     45  1.4.2.2  yamt  *
     46  1.4.2.2  yamt  * Redistribution and use in source and binary forms, with or without
     47  1.4.2.2  yamt  * modification, are permitted provided that the following conditions
     48  1.4.2.2  yamt  * are met:
     49  1.4.2.2  yamt  * 1. Redistributions of source code must retain the above copyright
     50  1.4.2.2  yamt  *    notice, this list of conditions and the following disclaimer.
     51  1.4.2.2  yamt  * 2. Redistributions in binary form must reproduce the above copyright
     52  1.4.2.2  yamt  *    notice, this list of conditions and the following disclaimer in the
     53  1.4.2.2  yamt  *    documentation and/or other materials provided with the distribution.
     54  1.4.2.2  yamt  * 3. Neither the name of the University nor the names of its contributors
     55  1.4.2.2  yamt  *    may be used to endorse or promote products derived from this software
     56  1.4.2.2  yamt  *    without specific prior written permission.
     57  1.4.2.2  yamt  *
     58  1.4.2.2  yamt  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     59  1.4.2.2  yamt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     60  1.4.2.2  yamt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     61  1.4.2.2  yamt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     62  1.4.2.2  yamt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     63  1.4.2.2  yamt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     64  1.4.2.2  yamt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     65  1.4.2.2  yamt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     66  1.4.2.2  yamt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     67  1.4.2.2  yamt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     68  1.4.2.2  yamt  * SUCH DAMAGE.
     69  1.4.2.2  yamt  *
     70  1.4.2.2  yamt  *	@(#)parse.c	8.1 (Berkeley) 6/10/93
     71  1.4.2.2  yamt  */
     72  1.4.2.2  yamt 
     73  1.4.2.2  yamt /*
     74  1.4.2.2  yamt  * parse.c -- command parser
     75  1.4.2.2  yamt  * by A.Fujita, JAN-30-1992
     76  1.4.2.2  yamt  */
     77  1.4.2.2  yamt 
     78  1.4.2.2  yamt #include <lib/libkern/libkern.h>
     79  1.4.2.2  yamt #include <luna68k/stand/boot/samachdep.h>
     80  1.4.2.2  yamt #include <luna68k/stand/boot/status.h>
     81  1.4.2.2  yamt 
     82  1.4.2.2  yamt static int cmd_help(int, char *[]);
     83  1.4.2.2  yamt 
     84  1.4.2.2  yamt int
     85  1.4.2.2  yamt check_args(int argc, char *argv[])
     86  1.4.2.2  yamt {
     87  1.4.2.2  yamt 	int i;
     88  1.4.2.2  yamt 
     89  1.4.2.2  yamt 	for ( i = 0; i < argc; i++)
     90  1.4.2.2  yamt 		printf("argv[%d] = \"%s\"\n", i, argv[i]);
     91  1.4.2.2  yamt 
     92  1.4.2.2  yamt 	return(ST_NORMAL);
     93  1.4.2.2  yamt }
     94  1.4.2.2  yamt 
     95  1.4.2.2  yamt int
     96  1.4.2.2  yamt exit_program(int argc, char *argv[])
     97  1.4.2.2  yamt {
     98  1.4.2.2  yamt 	return(ST_EXIT);
     99  1.4.2.2  yamt }
    100  1.4.2.2  yamt 
    101  1.4.2.2  yamt static const char helpmsg[] =
    102  1.4.2.2  yamt 	"commands are:\n"
    103  1.4.2.2  yamt 	"boot [device(unit,part)filename]\n"
    104  1.4.2.2  yamt 	" (ex. \"boot sd(0,0)netbsd\", \"boot le(0,0)netbsd.old\" etc.)\n"
    105  1.4.2.2  yamt 	"ls [device(unit, part)[path]]\n"
    106  1.4.2.2  yamt 	" (ex. \"ls sd(0,0)/bin\")\n"
    107  1.4.2.2  yamt 	"help\n"
    108  1.4.2.2  yamt 	"exit\n"
    109  1.4.2.2  yamt #if 0 /* debug commands */
    110  1.4.2.2  yamt 	"checkargs\n"
    111  1.4.2.2  yamt 	"disklabel\n"
    112  1.4.2.2  yamt 	"howto\n"
    113  1.4.2.2  yamt 	"screen\n"
    114  1.4.2.2  yamt 	"scsi\n"
    115  1.4.2.2  yamt #endif
    116  1.4.2.2  yamt ;
    117  1.4.2.2  yamt 
    118  1.4.2.2  yamt static int
    119  1.4.2.2  yamt cmd_help(int argc, char *argv[])
    120  1.4.2.2  yamt {
    121  1.4.2.2  yamt 
    122  1.4.2.2  yamt 	printf(helpmsg);
    123  1.4.2.2  yamt 	return ST_NORMAL;
    124  1.4.2.2  yamt }
    125  1.4.2.2  yamt 
    126  1.4.2.2  yamt struct command_entry {
    127  1.4.2.2  yamt 	char *name;
    128  1.4.2.2  yamt 	int (*func)(int, char **);
    129  1.4.2.2  yamt };
    130  1.4.2.2  yamt 
    131  1.4.2.2  yamt struct command_entry entries[] = {
    132  1.4.2.2  yamt 	{ "b",		boot         },
    133  1.4.2.2  yamt 	{ "boot",	boot         },
    134  1.4.2.2  yamt 	{ "chkargs",	check_args   },
    135  1.4.2.2  yamt 	{ "disklabel",	disklabel    },
    136  1.4.2.2  yamt 	{ "exit",	exit_program },
    137  1.4.2.2  yamt #ifdef notyet
    138  1.4.2.2  yamt 	{ "fsdump",	fsdump       },
    139  1.4.2.2  yamt 	{ "fsrestore",	fsrestore    },
    140  1.4.2.2  yamt #endif
    141  1.4.2.2  yamt 	{ "help",	cmd_help     },
    142  1.4.2.2  yamt 	{ "howto",	how_to_boot  },
    143  1.4.2.2  yamt 	{ "ls",		cmd_ls       },
    144  1.4.2.2  yamt 	{ "screen",	screen	     },
    145  1.4.2.2  yamt #ifdef notyet
    146  1.4.2.2  yamt 	{ "tape",	tape	     },
    147  1.4.2.2  yamt 	{ "tp",		tape	     },
    148  1.4.2.2  yamt #endif
    149  1.4.2.2  yamt 	{ "scsi",	scsi         },
    150  1.4.2.2  yamt 	{ "quit",	exit_program },
    151  1.4.2.2  yamt 	{ 0, 0 }
    152  1.4.2.2  yamt };
    153  1.4.2.2  yamt 
    154  1.4.2.2  yamt 
    155  1.4.2.2  yamt int
    156  1.4.2.2  yamt parse(int argc, char *argv[])
    157  1.4.2.2  yamt {
    158  1.4.2.2  yamt 	int i, status = ST_NOTFOUND;
    159  1.4.2.2  yamt 
    160  1.4.2.2  yamt 	for (i = 0; entries[i].name != (char *) 0; i++) {
    161  1.4.2.2  yamt 		if (!strcmp(argv[0], entries[i].name)) {
    162  1.4.2.2  yamt 			status = (*entries[i].func)(argc, argv);
    163  1.4.2.2  yamt 			break;
    164  1.4.2.2  yamt 		}
    165  1.4.2.2  yamt 	}
    166  1.4.2.2  yamt 
    167  1.4.2.2  yamt 	return(status);
    168  1.4.2.2  yamt }
    169  1.4.2.2  yamt 
    170  1.4.2.2  yamt 
    171  1.4.2.2  yamt 
    172  1.4.2.2  yamt /*
    173  1.4.2.2  yamt  * getargs -- make argument arrays
    174  1.4.2.2  yamt  */
    175  1.4.2.2  yamt 
    176  1.4.2.2  yamt int
    177  1.4.2.2  yamt getargs(char buffer[], char *argv[], int maxargs)
    178  1.4.2.2  yamt {
    179  1.4.2.2  yamt 	int n = 0;
    180  1.4.2.2  yamt 	char *p = buffer;
    181  1.4.2.2  yamt 
    182  1.4.2.2  yamt 	argv[n++] = p;
    183  1.4.2.2  yamt 	while (*p != '\0') {
    184  1.4.2.2  yamt 		if ( *p == ' ' ) {
    185  1.4.2.2  yamt 			*p = '\0';
    186  1.4.2.2  yamt 		} else if (p != buffer && *(p-1) == '\0') {
    187  1.4.2.2  yamt 			if ( n < maxargs )
    188  1.4.2.2  yamt 				argv[n++] = p;
    189  1.4.2.2  yamt 		}
    190  1.4.2.2  yamt 		p++;
    191  1.4.2.2  yamt 	}
    192  1.4.2.2  yamt 
    193  1.4.2.2  yamt 	return(n);
    194  1.4.2.2  yamt }
    195