commands.c revision 1.2.2.2
1 1.2.2.2 simonb /* $NetBSD: commands.c,v 1.2.2.2 2006/04/22 11:37:38 simonb Exp $ */ 2 1.2.2.2 simonb 3 1.2.2.2 simonb /*- 4 1.2.2.2 simonb * Copyright (c) 1998 Michael Smith <msmith (at) freebsd.org> 5 1.2.2.2 simonb * All rights reserved. 6 1.2.2.2 simonb * 7 1.2.2.2 simonb * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 simonb * modification, are permitted provided that the following conditions 9 1.2.2.2 simonb * are met: 10 1.2.2.2 simonb * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 simonb * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 simonb * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 simonb * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 simonb * documentation and/or other materials provided with the distribution. 15 1.2.2.2 simonb * 16 1.2.2.2 simonb * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 1.2.2.2 simonb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.2.2.2 simonb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.2.2.2 simonb * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 1.2.2.2 simonb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.2.2.2 simonb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.2.2.2 simonb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.2.2.2 simonb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.2.2.2 simonb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.2.2.2 simonb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.2.2.2 simonb * SUCH DAMAGE. 27 1.2.2.2 simonb */ 28 1.2.2.2 simonb 29 1.2.2.2 simonb #include <sys/cdefs.h> 30 1.2.2.2 simonb 31 1.2.2.2 simonb #include <lib/libsa/stand.h> 32 1.2.2.2 simonb #include <lib/libkern/libkern.h> 33 1.2.2.2 simonb 34 1.2.2.2 simonb #include "bootstrap.h" 35 1.2.2.2 simonb 36 1.2.2.2 simonb char *command_errmsg; 37 1.2.2.2 simonb char command_errbuf[256]; /* XXX should have procedural interface for setting, size limit? */ 38 1.2.2.2 simonb 39 1.2.2.2 simonb static int page_file(char *filename); 40 1.2.2.2 simonb 41 1.2.2.2 simonb /* 42 1.2.2.2 simonb * Help is read from a formatted text file. 43 1.2.2.2 simonb * 44 1.2.2.2 simonb * Entries in the file are formatted as 45 1.2.2.2 simonb 46 1.2.2.2 simonb # Ttopic [Ssubtopic] Ddescription 47 1.2.2.2 simonb help 48 1.2.2.2 simonb text 49 1.2.2.2 simonb here 50 1.2.2.2 simonb # 51 1.2.2.2 simonb 52 1.2.2.2 simonb * 53 1.2.2.2 simonb * Note that for code simplicity's sake, the above format must be followed 54 1.2.2.2 simonb * exactly. 55 1.2.2.2 simonb * 56 1.2.2.2 simonb * Subtopic entries must immediately follow the topic (this is used to 57 1.2.2.2 simonb * produce the listing of subtopics). 58 1.2.2.2 simonb * 59 1.2.2.2 simonb * If no argument(s) are supplied by the user, the help for 'help' is displayed. 60 1.2.2.2 simonb */ 61 1.2.2.2 simonb 62 1.2.2.2 simonb static int 63 1.2.2.2 simonb help_getnext(int fd, char **topic, char **subtopic, char **desc) 64 1.2.2.2 simonb { 65 1.2.2.2 simonb char line[81], *cp, *ep; 66 1.2.2.2 simonb 67 1.2.2.2 simonb for (;;) { 68 1.2.2.2 simonb if (fgetstr(line, 80, fd) < 0) 69 1.2.2.2 simonb return(0); 70 1.2.2.2 simonb 71 1.2.2.2 simonb if ((strlen(line) < 3) || (line[0] != '#') || (line[1] != ' ')) 72 1.2.2.2 simonb continue; 73 1.2.2.2 simonb 74 1.2.2.2 simonb *topic = *subtopic = *desc = NULL; 75 1.2.2.2 simonb cp = line + 2; 76 1.2.2.2 simonb while((cp != NULL) && (*cp != 0)) { 77 1.2.2.2 simonb ep = strchr(cp, ' '); 78 1.2.2.2 simonb if ((*cp == 'T') && (*topic == NULL)) { 79 1.2.2.2 simonb if (ep != NULL) 80 1.2.2.2 simonb *ep++ = 0; 81 1.2.2.2 simonb *topic = strdup(cp + 1); 82 1.2.2.2 simonb } else if ((*cp == 'S') && (*subtopic == NULL)) { 83 1.2.2.2 simonb if (ep != NULL) 84 1.2.2.2 simonb *ep++ = 0; 85 1.2.2.2 simonb *subtopic = strdup(cp + 1); 86 1.2.2.2 simonb } else if (*cp == 'D') { 87 1.2.2.2 simonb *desc = strdup(cp + 1); 88 1.2.2.2 simonb ep = NULL; 89 1.2.2.2 simonb } 90 1.2.2.2 simonb cp = ep; 91 1.2.2.2 simonb } 92 1.2.2.2 simonb if (*topic == NULL) { 93 1.2.2.2 simonb if (*subtopic != NULL) 94 1.2.2.2 simonb free(*subtopic); 95 1.2.2.2 simonb if (*desc != NULL) 96 1.2.2.2 simonb free(*desc); 97 1.2.2.2 simonb continue; 98 1.2.2.2 simonb } 99 1.2.2.2 simonb return(1); 100 1.2.2.2 simonb } 101 1.2.2.2 simonb } 102 1.2.2.2 simonb 103 1.2.2.2 simonb static int 104 1.2.2.2 simonb help_emitsummary(char *topic, char *subtopic, char *desc) 105 1.2.2.2 simonb { 106 1.2.2.2 simonb int i; 107 1.2.2.2 simonb 108 1.2.2.2 simonb pager_output(" "); 109 1.2.2.2 simonb pager_output(topic); 110 1.2.2.2 simonb i = strlen(topic); 111 1.2.2.2 simonb if (subtopic != NULL) { 112 1.2.2.2 simonb pager_output(" "); 113 1.2.2.2 simonb pager_output(subtopic); 114 1.2.2.2 simonb i += strlen(subtopic) + 1; 115 1.2.2.2 simonb } 116 1.2.2.2 simonb if (desc != NULL) { 117 1.2.2.2 simonb do { 118 1.2.2.2 simonb pager_output(" "); 119 1.2.2.2 simonb } while (i++ < 30); 120 1.2.2.2 simonb pager_output(desc); 121 1.2.2.2 simonb } 122 1.2.2.2 simonb return (pager_output("\n")); 123 1.2.2.2 simonb } 124 1.2.2.2 simonb 125 1.2.2.2 simonb 126 1.2.2.2 simonb int 127 1.2.2.2 simonb command_help(int argc, char *argv[]) 128 1.2.2.2 simonb { 129 1.2.2.2 simonb char buf[81]; /* XXX buffer size? */ 130 1.2.2.2 simonb int hfd, matched, doindex; 131 1.2.2.2 simonb char *topic, *subtopic, *t, *s, *d; 132 1.2.2.2 simonb 133 1.2.2.2 simonb /* page the help text from our load path */ 134 1.2.2.2 simonb sprintf(buf, "%s/boot/loader.help", getenv("loaddev")); 135 1.2.2.2 simonb if ((hfd = open(buf, O_RDONLY)) < 0) { 136 1.2.2.2 simonb printf("Verbose help not available, use '?' to list commands\n"); 137 1.2.2.2 simonb return(CMD_OK); 138 1.2.2.2 simonb } 139 1.2.2.2 simonb 140 1.2.2.2 simonb /* pick up request from arguments */ 141 1.2.2.2 simonb topic = subtopic = NULL; 142 1.2.2.2 simonb switch(argc) { 143 1.2.2.2 simonb case 3: 144 1.2.2.2 simonb subtopic = strdup(argv[2]); 145 1.2.2.2 simonb case 2: 146 1.2.2.2 simonb topic = strdup(argv[1]); 147 1.2.2.2 simonb break; 148 1.2.2.2 simonb case 1: 149 1.2.2.2 simonb topic = strdup("help"); 150 1.2.2.2 simonb break; 151 1.2.2.2 simonb default: 152 1.2.2.2 simonb command_errmsg = "usage is 'help <topic> [<subtopic>]"; 153 1.2.2.2 simonb return(CMD_ERROR); 154 1.2.2.2 simonb } 155 1.2.2.2 simonb 156 1.2.2.2 simonb /* magic "index" keyword */ 157 1.2.2.2 simonb doindex = !strcmp(topic, "index"); 158 1.2.2.2 simonb matched = doindex; 159 1.2.2.2 simonb 160 1.2.2.2 simonb /* Scan the helpfile looking for help matching the request */ 161 1.2.2.2 simonb pager_open(); 162 1.2.2.2 simonb while(help_getnext(hfd, &t, &s, &d)) { 163 1.2.2.2 simonb 164 1.2.2.2 simonb if (doindex) { /* dink around formatting */ 165 1.2.2.2 simonb if (help_emitsummary(t, s, d)) 166 1.2.2.2 simonb break; 167 1.2.2.2 simonb 168 1.2.2.2 simonb } else if (strcmp(topic, t)) { 169 1.2.2.2 simonb /* topic mismatch */ 170 1.2.2.2 simonb if(matched) /* nothing more on this topic, stop scanning */ 171 1.2.2.2 simonb break; 172 1.2.2.2 simonb 173 1.2.2.2 simonb } else { 174 1.2.2.2 simonb /* topic matched */ 175 1.2.2.2 simonb matched = 1; 176 1.2.2.2 simonb if (((subtopic == NULL) && (s == NULL)) || 177 1.2.2.2 simonb ((subtopic != NULL) && (s != NULL) && !strcmp(subtopic, s))) { 178 1.2.2.2 simonb /* exact match, print text */ 179 1.2.2.2 simonb while((fgetstr(buf, 80, hfd) >= 0) && (buf[0] != '#')) { 180 1.2.2.2 simonb if (pager_output(buf)) 181 1.2.2.2 simonb break; 182 1.2.2.2 simonb if (pager_output("\n")) 183 1.2.2.2 simonb break; 184 1.2.2.2 simonb } 185 1.2.2.2 simonb } else if ((subtopic == NULL) && (s != NULL)) { 186 1.2.2.2 simonb /* topic match, list subtopics */ 187 1.2.2.2 simonb if (help_emitsummary(t, s, d)) 188 1.2.2.2 simonb break; 189 1.2.2.2 simonb } 190 1.2.2.2 simonb } 191 1.2.2.2 simonb free(t); 192 1.2.2.2 simonb free(s); 193 1.2.2.2 simonb free(d); 194 1.2.2.2 simonb } 195 1.2.2.2 simonb pager_close(); 196 1.2.2.2 simonb close(hfd); 197 1.2.2.2 simonb if (!matched) { 198 1.2.2.2 simonb sprintf(command_errbuf, "no help available for '%s'", topic); 199 1.2.2.2 simonb free(topic); 200 1.2.2.2 simonb if (subtopic) 201 1.2.2.2 simonb free(subtopic); 202 1.2.2.2 simonb return(CMD_ERROR); 203 1.2.2.2 simonb } 204 1.2.2.2 simonb free(topic); 205 1.2.2.2 simonb if (subtopic) 206 1.2.2.2 simonb free(subtopic); 207 1.2.2.2 simonb return(CMD_OK); 208 1.2.2.2 simonb } 209 1.2.2.2 simonb 210 1.2.2.2 simonb 211 1.2.2.2 simonb int 212 1.2.2.2 simonb command_commandlist(int argc, char *argv[]) 213 1.2.2.2 simonb { 214 1.2.2.2 simonb struct bootblk_command *cmdp; 215 1.2.2.2 simonb int res; 216 1.2.2.2 simonb char name[20]; 217 1.2.2.2 simonb int i; 218 1.2.2.2 simonb 219 1.2.2.2 simonb res = 0; 220 1.2.2.2 simonb pager_open(); 221 1.2.2.2 simonb res = pager_output("Available commands:\n"); 222 1.2.2.2 simonb 223 1.2.2.2 simonb for (i = 0, cmdp = commands; (cmdp->c_name != NULL) && (cmdp->c_desc != NULL ); i++, cmdp = commands + i) { 224 1.2.2.2 simonb if (res) 225 1.2.2.2 simonb break; 226 1.2.2.2 simonb if ((cmdp->c_name != NULL) && (cmdp->c_desc != NULL)) { 227 1.2.2.2 simonb sprintf(name, " %s ", cmdp->c_name); 228 1.2.2.2 simonb pager_output(name); 229 1.2.2.2 simonb pager_output(cmdp->c_desc); 230 1.2.2.2 simonb res = pager_output("\n"); 231 1.2.2.2 simonb } 232 1.2.2.2 simonb } 233 1.2.2.2 simonb pager_close(); 234 1.2.2.2 simonb return(CMD_OK); 235 1.2.2.2 simonb } 236 1.2.2.2 simonb 237 1.2.2.2 simonb /* 238 1.2.2.2 simonb * XXX set/show should become set/echo if we have variable 239 1.2.2.2 simonb * substitution happening. 240 1.2.2.2 simonb */ 241 1.2.2.2 simonb 242 1.2.2.2 simonb int 243 1.2.2.2 simonb command_show(int argc, char *argv[]) 244 1.2.2.2 simonb { 245 1.2.2.2 simonb struct env_var *ev; 246 1.2.2.2 simonb char *cp; 247 1.2.2.2 simonb 248 1.2.2.2 simonb if (argc < 2) { 249 1.2.2.2 simonb /* 250 1.2.2.2 simonb * With no arguments, print everything. 251 1.2.2.2 simonb */ 252 1.2.2.2 simonb pager_open(); 253 1.2.2.2 simonb for (ev = environ; ev != NULL; ev = ev->ev_next) { 254 1.2.2.2 simonb pager_output(ev->ev_name); 255 1.2.2.2 simonb cp = getenv(ev->ev_name); 256 1.2.2.2 simonb if (cp != NULL) { 257 1.2.2.2 simonb pager_output("="); 258 1.2.2.2 simonb pager_output(cp); 259 1.2.2.2 simonb } 260 1.2.2.2 simonb if (pager_output("\n")) 261 1.2.2.2 simonb break; 262 1.2.2.2 simonb } 263 1.2.2.2 simonb pager_close(); 264 1.2.2.2 simonb } else { 265 1.2.2.2 simonb if ((cp = getenv(argv[1])) != NULL) { 266 1.2.2.2 simonb printf("%s\n", cp); 267 1.2.2.2 simonb } else { 268 1.2.2.2 simonb sprintf(command_errbuf, "variable '%s' not found", argv[1]); 269 1.2.2.2 simonb return(CMD_ERROR); 270 1.2.2.2 simonb } 271 1.2.2.2 simonb } 272 1.2.2.2 simonb return(CMD_OK); 273 1.2.2.2 simonb } 274 1.2.2.2 simonb 275 1.2.2.2 simonb 276 1.2.2.2 simonb int 277 1.2.2.2 simonb command_set(int argc, char *argv[]) 278 1.2.2.2 simonb { 279 1.2.2.2 simonb int err; 280 1.2.2.2 simonb 281 1.2.2.2 simonb if (argc != 2) { 282 1.2.2.2 simonb command_errmsg = "wrong number of arguments"; 283 1.2.2.2 simonb return(CMD_ERROR); 284 1.2.2.2 simonb } else { 285 1.2.2.2 simonb if ((err = putenv(argv[1])) != 0) { 286 1.2.2.2 simonb command_errmsg = strerror(err); 287 1.2.2.2 simonb return(CMD_ERROR); 288 1.2.2.2 simonb } 289 1.2.2.2 simonb } 290 1.2.2.2 simonb return(CMD_OK); 291 1.2.2.2 simonb } 292 1.2.2.2 simonb 293 1.2.2.2 simonb 294 1.2.2.2 simonb int 295 1.2.2.2 simonb command_unset(int argc, char *argv[]) 296 1.2.2.2 simonb { 297 1.2.2.2 simonb int err; 298 1.2.2.2 simonb 299 1.2.2.2 simonb if (argc != 2) { 300 1.2.2.2 simonb command_errmsg = "wrong number of arguments"; 301 1.2.2.2 simonb return(CMD_ERROR); 302 1.2.2.2 simonb } else { 303 1.2.2.2 simonb if ((err = unsetenv(argv[1])) != 0) { 304 1.2.2.2 simonb command_errmsg = strerror(err); 305 1.2.2.2 simonb return(CMD_ERROR); 306 1.2.2.2 simonb } 307 1.2.2.2 simonb } 308 1.2.2.2 simonb return(CMD_OK); 309 1.2.2.2 simonb } 310 1.2.2.2 simonb 311 1.2.2.2 simonb 312 1.2.2.2 simonb int 313 1.2.2.2 simonb command_echo(int argc, char *argv[]) 314 1.2.2.2 simonb { 315 1.2.2.2 simonb char *s; 316 1.2.2.2 simonb int nl, ch; 317 1.2.2.2 simonb 318 1.2.2.2 simonb nl = 0; 319 1.2.2.2 simonb optind = 1; 320 1.2.2.2 simonb optreset = 1; 321 1.2.2.2 simonb while ((ch = getopt(argc, argv, "n")) != -1) { 322 1.2.2.2 simonb switch(ch) { 323 1.2.2.2 simonb case 'n': 324 1.2.2.2 simonb nl = 1; 325 1.2.2.2 simonb break; 326 1.2.2.2 simonb case '?': 327 1.2.2.2 simonb default: 328 1.2.2.2 simonb /* getopt has already reported an error */ 329 1.2.2.2 simonb return(CMD_OK); 330 1.2.2.2 simonb } 331 1.2.2.2 simonb } 332 1.2.2.2 simonb argv += (optind); 333 1.2.2.2 simonb argc -= (optind); 334 1.2.2.2 simonb 335 1.2.2.2 simonb s = unargv(argc, argv); 336 1.2.2.2 simonb if (s != NULL) { 337 1.2.2.2 simonb printf("%s", s); 338 1.2.2.2 simonb free(s); 339 1.2.2.2 simonb } 340 1.2.2.2 simonb if (!nl) 341 1.2.2.2 simonb printf("\n"); 342 1.2.2.2 simonb return(CMD_OK); 343 1.2.2.2 simonb } 344 1.2.2.2 simonb 345 1.2.2.2 simonb /* 346 1.2.2.2 simonb * A passable emulation of the sh(1) command of the same name. 347 1.2.2.2 simonb */ 348 1.2.2.2 simonb 349 1.2.2.2 simonb 350 1.2.2.2 simonb int 351 1.2.2.2 simonb command_read(int argc, char *argv[]) 352 1.2.2.2 simonb { 353 1.2.2.2 simonb char *prompt; 354 1.2.2.2 simonb int timeout; 355 1.2.2.2 simonb time_t when; 356 1.2.2.2 simonb char *cp; 357 1.2.2.2 simonb char *name; 358 1.2.2.2 simonb char buf[256]; /* XXX size? */ 359 1.2.2.2 simonb int c; 360 1.2.2.2 simonb 361 1.2.2.2 simonb timeout = -1; 362 1.2.2.2 simonb prompt = NULL; 363 1.2.2.2 simonb optind = 1; 364 1.2.2.2 simonb optreset = 1; 365 1.2.2.2 simonb while ((c = getopt(argc, argv, "p:t:")) != -1) { 366 1.2.2.2 simonb switch(c) { 367 1.2.2.2 simonb 368 1.2.2.2 simonb case 'p': 369 1.2.2.2 simonb prompt = optarg; 370 1.2.2.2 simonb break; 371 1.2.2.2 simonb case 't': 372 1.2.2.2 simonb timeout = strtol(optarg, &cp, 0); 373 1.2.2.2 simonb if (cp == optarg) { 374 1.2.2.2 simonb sprintf(command_errbuf, "bad timeout '%s'", optarg); 375 1.2.2.2 simonb return(CMD_ERROR); 376 1.2.2.2 simonb } 377 1.2.2.2 simonb break; 378 1.2.2.2 simonb default: 379 1.2.2.2 simonb return(CMD_OK); 380 1.2.2.2 simonb } 381 1.2.2.2 simonb } 382 1.2.2.2 simonb 383 1.2.2.2 simonb argv += (optind); 384 1.2.2.2 simonb argc -= (optind); 385 1.2.2.2 simonb name = (argc > 0) ? argv[0]: NULL; 386 1.2.2.2 simonb 387 1.2.2.2 simonb if (prompt != NULL) 388 1.2.2.2 simonb printf("%s", prompt); 389 1.2.2.2 simonb if (timeout >= 0) { 390 1.2.2.2 simonb when = time(NULL) + timeout; 391 1.2.2.2 simonb while (!ischar()) 392 1.2.2.2 simonb if (time(NULL) >= when) 393 1.2.2.2 simonb return(CMD_OK); /* is timeout an error? */ 394 1.2.2.2 simonb } 395 1.2.2.2 simonb 396 1.2.2.2 simonb ngets(buf, sizeof(buf)); 397 1.2.2.2 simonb 398 1.2.2.2 simonb if (name != NULL) 399 1.2.2.2 simonb setenv(name, buf, 1); 400 1.2.2.2 simonb return(CMD_OK); 401 1.2.2.2 simonb } 402 1.2.2.2 simonb 403 1.2.2.2 simonb /* 404 1.2.2.2 simonb * File pager 405 1.2.2.2 simonb */ 406 1.2.2.2 simonb 407 1.2.2.2 simonb int 408 1.2.2.2 simonb command_more(int argc, char *argv[]) 409 1.2.2.2 simonb { 410 1.2.2.2 simonb int i; 411 1.2.2.2 simonb int res; 412 1.2.2.2 simonb char line[80]; 413 1.2.2.2 simonb 414 1.2.2.2 simonb res=0; 415 1.2.2.2 simonb pager_open(); 416 1.2.2.2 simonb for (i = 1; (i < argc) && (res == 0); i++) { 417 1.2.2.2 simonb sprintf(line, "*** FILE %s BEGIN ***\n", argv[i]); 418 1.2.2.2 simonb if (pager_output(line)) 419 1.2.2.2 simonb break; 420 1.2.2.2 simonb res = page_file(argv[i]); 421 1.2.2.2 simonb if (!res) { 422 1.2.2.2 simonb sprintf(line, "*** FILE %s END ***\n", argv[i]); 423 1.2.2.2 simonb res = pager_output(line); 424 1.2.2.2 simonb } 425 1.2.2.2 simonb } 426 1.2.2.2 simonb pager_close(); 427 1.2.2.2 simonb 428 1.2.2.2 simonb if (res == 0) 429 1.2.2.2 simonb return CMD_OK; 430 1.2.2.2 simonb else 431 1.2.2.2 simonb return CMD_ERROR; 432 1.2.2.2 simonb } 433 1.2.2.2 simonb 434 1.2.2.2 simonb static int 435 1.2.2.2 simonb page_file(char *filename) 436 1.2.2.2 simonb { 437 1.2.2.2 simonb int result; 438 1.2.2.2 simonb 439 1.2.2.2 simonb result = pager_file(filename); 440 1.2.2.2 simonb 441 1.2.2.2 simonb if (result == -1) 442 1.2.2.2 simonb sprintf(command_errbuf, "error showing %s", filename); 443 1.2.2.2 simonb 444 1.2.2.2 simonb return result; 445 1.2.2.2 simonb } 446 1.2.2.2 simonb 447 1.2.2.2 simonb /* 448 1.2.2.2 simonb * List all disk-like devices 449 1.2.2.2 simonb */ 450 1.2.2.2 simonb 451 1.2.2.2 simonb int 452 1.2.2.2 simonb command_lsdev(int argc, char *argv[]) 453 1.2.2.2 simonb { 454 1.2.2.2 simonb int verbose, ch, i; 455 1.2.2.2 simonb char line[80]; 456 1.2.2.2 simonb 457 1.2.2.2 simonb verbose = 0; 458 1.2.2.2 simonb optind = 1; 459 1.2.2.2 simonb optreset = 1; 460 1.2.2.2 simonb while ((ch = getopt(argc, argv, "v")) != -1) { 461 1.2.2.2 simonb switch(ch) { 462 1.2.2.2 simonb case 'v': 463 1.2.2.2 simonb verbose = 1; 464 1.2.2.2 simonb break; 465 1.2.2.2 simonb case '?': 466 1.2.2.2 simonb default: 467 1.2.2.2 simonb /* getopt has already reported an error */ 468 1.2.2.2 simonb return(CMD_OK); 469 1.2.2.2 simonb } 470 1.2.2.2 simonb } 471 1.2.2.2 simonb argv += (optind); 472 1.2.2.2 simonb argc -= (optind); 473 1.2.2.2 simonb 474 1.2.2.2 simonb pager_open(); 475 1.2.2.2 simonb 476 1.2.2.2 simonb sprintf(line, "Device Enumeration:\n"); 477 1.2.2.2 simonb pager_output(line); 478 1.2.2.2 simonb 479 1.2.2.2 simonb for (i = 0; i < ndevs; i++) { 480 1.2.2.2 simonb sprintf(line, "%s\n", devsw[i].dv_name); 481 1.2.2.2 simonb if (pager_output(line)) 482 1.2.2.2 simonb break; 483 1.2.2.2 simonb } 484 1.2.2.2 simonb 485 1.2.2.2 simonb pager_close(); 486 1.2.2.2 simonb return(CMD_OK); 487 1.2.2.2 simonb } 488 1.2.2.2 simonb 489
Indexes created Thu Oct 02 10:09:58 GMT 2025