1 /* $NetBSD: parse.c,v 1.8 2016/11/25 17:37:04 tsutsui Exp $ */ 2 3 /* 4 * Copyright (c) 1992 OMRON Corporation. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * OMRON Corporation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)parse.c 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1992, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * OMRON Corporation. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)parse.c 8.1 (Berkeley) 6/10/93 71 */ 72 73 /* 74 * parse.c -- command parser 75 * by A.Fujita, JAN-30-1992 76 */ 77 78 #include <lib/libkern/libkern.h> 79 #include <luna68k/stand/boot/samachdep.h> 80 #include <luna68k/stand/boot/status.h> 81 82 static int cmd_help(int, char *[]); 83 84 int 85 check_args(int argc, char *argv[]) 86 { 87 int i; 88 89 for (i = 0; i < argc; i++) 90 printf("argv[%d] = \"%s\"\n", i, argv[i]); 91 92 return ST_NORMAL; 93 } 94 95 int 96 exit_program(int argc, char *argv[]) 97 { 98 99 return ST_EXIT; 100 } 101 102 static const char helpmsg[] = 103 "commands are:\n" 104 "boot [device(unit,part)filename] [-ads]\n" 105 " (ex. \"boot sd(6,0)netbsd\", \"boot le()netbsd.old\" etc.)\n" 106 " Note unit number for SCSI device is (ctlr) * 10 + (id).\n" 107 "ls [device(unit, part)[path]]\n" 108 " (ex. \"ls sd(0,0)/bin\")\n" 109 "help\n" 110 "exit\n" 111 #if 0 /* debug commands */ 112 "checkargs\n" 113 "disklabel\n" 114 "howto\n" 115 "screen\n" 116 "scsi\n" 117 #endif 118 ; 119 120 static int 121 cmd_help(int argc, char *argv[]) 122 { 123 124 printf(helpmsg); 125 return ST_NORMAL; 126 } 127 128 struct command_entry { 129 char *name; 130 int (*func)(int, char **); 131 }; 132 133 static const struct command_entry entries[] = { 134 { "b", boot }, 135 { "boot", boot }, 136 { "chkargs", check_args }, 137 { "disklabel", disklabel }, 138 { "exit", exit_program }, 139 #ifdef notyet 140 { "fsdump", fsdump }, 141 { "fsrestore", fsrestore }, 142 #endif 143 { "help", cmd_help }, 144 { "ls", cmd_ls }, 145 { "screen", screen }, 146 #ifdef notyet 147 { "tape", tape }, 148 { "tp", tape }, 149 #endif 150 { "scsi", scsi }, 151 { "quit", exit_program }, 152 { NULL, NULL } 153 }; 154 155 156 int 157 parse(int argc, char *argv[]) 158 { 159 int i, status = ST_NOTFOUND; 160 161 for (i = 0; entries[i].name != NULL; i++) { 162 if (!strcmp(argv[0], entries[i].name)) { 163 status = (*entries[i].func)(argc, argv); 164 break; 165 } 166 } 167 168 return status; 169 } 170 171 172 173 /* 174 * getargs -- make argument arrays 175 */ 176 177 int 178 getargs(char buffer[], char *argv[], int maxargs) 179 { 180 int n = 0; 181 char *p = buffer; 182 183 argv[n++] = p; 184 while (*p != '\0') { 185 if (*p == ' ') { 186 *p = '\0'; 187 } else if (p != buffer && *(p - 1) == '\0') { 188 if (n < maxargs) 189 argv[n++] = p; 190 } 191 p++; 192 } 193 194 return n; 195 } 196
Indexes created Mon Sep 22 13:09:51 GMT 2025