1 /* $OpenBSD: main.c,v 1.26 2022/11/09 07:20:12 miod Exp $ */ 2 /* $NetBSD: main.c,v 1.3 1996/05/16 16:00:55 thorpej Exp $ */ 3 4 /*- 5 * Copyright (c) 1996 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Jason R. Thorpe. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <err.h> 34 #include <string.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <unistd.h> 38 39 40 #include <machine/openpromio.h> 41 42 #include "defs.h" 43 44 static void action(char *); 45 static void dump_prom(void); 46 static void usage(void); 47 48 char *path_openprom = "/dev/openprom"; 49 int eval = 0; 50 int print_tree = 0; 51 int verbose = 0; 52 53 extern char *__progname; 54 55 int 56 main(int argc, char *argv[]) 57 { 58 int ch, do_stdin = 0; 59 char *cp, line[BUFSIZE]; 60 char *optstring = "f:pv-"; 61 62 while ((ch = getopt(argc, argv, optstring)) != -1) 63 switch (ch) { 64 case '-': 65 do_stdin = 1; 66 break; 67 case 'f': 68 path_openprom = optarg; 69 break; 70 case 'p': 71 print_tree = 1; 72 break; 73 case 'v': 74 verbose = 1; 75 break; 76 default: 77 usage(); 78 } 79 argc -= optind; 80 argv += optind; 81 82 if (print_tree) { 83 op_tree(); 84 exit(0); 85 } 86 87 if (do_stdin) { 88 while (fgets(line, BUFSIZE, stdin) != NULL) { 89 if (line[0] == '\n') 90 continue; 91 if ((cp = strrchr(line, '\n')) != NULL) 92 *cp = '\0'; 93 action(line); 94 } 95 if (ferror(stdin)) 96 err(++eval, "stdin"); 97 } else { 98 if (argc == 0) { 99 dump_prom(); 100 exit(eval); 101 } 102 103 while (argc) { 104 action(*argv); 105 ++argv; 106 --argc; 107 } 108 } 109 110 exit(eval); 111 } 112 113 /* 114 * Separate the keyword from the argument (if any), find the keyword in 115 * the table, and call the corresponding handler function. 116 */ 117 static void 118 action(char *line) 119 { 120 char *keyword, *arg, *cp; 121 122 keyword = strdup(line); 123 if (!keyword) 124 errx(1, "out of memory"); 125 if ((arg = strrchr(keyword, '=')) != NULL) 126 *arg++ = '\0'; 127 128 /* 129 * The whole point of the Openprom is that one 130 * isn't required to know the keywords. With this 131 * in mind, we just dump the whole thing off to 132 * the generic op_handler. 133 */ 134 if ((cp = op_handler(keyword, arg)) != NULL) 135 warnx("%s", cp); 136 } 137 138 /* 139 * Dump the contents of the prom corresponding to all known keywords. 140 */ 141 static void 142 dump_prom(void) 143 { 144 /* 145 * We have a special dump routine for this. 146 */ 147 op_dump(); 148 } 149 150 static void 151 usage(void) 152 { 153 154 fprintf(stderr, 155 "usage: %s [-pv] [-f device] [field[=value] ...]\n", 156 __progname); 157 exit(1); 158 } 159