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