| 1 | /* $NetBSD: main.c,v 1.48 2003/09/14 12:09:29 jmmv Exp $ */
|
|---|
| 2 |
|
|---|
| 3 | /*-
|
|---|
| 4 | * Copyright (c) 1991, 1993
|
|---|
| 5 | * The Regents of the University of California. All rights reserved.
|
|---|
| 6 | *
|
|---|
| 7 | * This code is derived from software contributed to Berkeley by
|
|---|
| 8 | * Kenneth Almquist.
|
|---|
| 9 | *
|
|---|
| 10 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 11 | * modification, are permitted provided that the following conditions
|
|---|
| 12 | * are met:
|
|---|
| 13 | * 1. Redistributions of source code must retain the above copyright
|
|---|
| 14 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 15 | * 2. Redistributions in binary form must reproduce the above copyright
|
|---|
| 16 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 17 | * documentation and/or other materials provided with the distribution.
|
|---|
| 18 | * 3. Neither the name of the University nor the names of its contributors
|
|---|
| 19 | * may be used to endorse or promote products derived from this software
|
|---|
| 20 | * without specific prior written permission.
|
|---|
| 21 | *
|
|---|
| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|---|
| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|---|
| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|---|
| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|---|
| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|---|
| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|---|
| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|---|
| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|---|
| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|---|
| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|---|
| 32 | * SUCH DAMAGE.
|
|---|
| 33 | */
|
|---|
| 34 |
|
|---|
| 35 | #if 0
|
|---|
| 36 | #ifndef lint
|
|---|
| 37 | __COPYRIGHT("@(#) Copyright (c) 1991, 1993\n\
|
|---|
| 38 | The Regents of the University of California. All rights reserved.\n");
|
|---|
| 39 | #endif /* not lint */
|
|---|
| 40 | #ifndef lint
|
|---|
| 41 | static char sccsid[] = "@(#)main.c 8.7 (Berkeley) 7/19/95";
|
|---|
| 42 | #else
|
|---|
| 43 | __RCSID("$NetBSD: main.c,v 1.48 2003/09/14 12:09:29 jmmv Exp $");
|
|---|
| 44 | #endif /* not lint */
|
|---|
| 45 | #endif
|
|---|
| 46 |
|
|---|
| 47 | #include <errno.h>
|
|---|
| 48 | #include <stdio.h>
|
|---|
| 49 | #include <sys/stat.h>
|
|---|
| 50 | #include <locale.h>
|
|---|
| 51 |
|
|---|
| 52 |
|
|---|
| 53 | #include "shell.h"
|
|---|
| 54 | #include "main.h"
|
|---|
| 55 | #include "mail.h"
|
|---|
| 56 | #include "options.h"
|
|---|
| 57 | #include "output.h"
|
|---|
| 58 | #include "parser.h"
|
|---|
| 59 | #include "nodes.h"
|
|---|
| 60 | #include "expand.h"
|
|---|
| 61 | #include "eval.h"
|
|---|
| 62 | #include "jobs.h"
|
|---|
| 63 | #include "input.h"
|
|---|
| 64 | #include "trap.h"
|
|---|
| 65 | #include "var.h"
|
|---|
| 66 | #include "show.h"
|
|---|
| 67 | #include "memalloc.h"
|
|---|
| 68 | #include "error.h"
|
|---|
| 69 | #include "init.h"
|
|---|
| 70 | #include "mystring.h"
|
|---|
| 71 | #include "exec.h"
|
|---|
| 72 | #include "cd.h"
|
|---|
| 73 | #include "shinstance.h"
|
|---|
| 74 |
|
|---|
| 75 | #define PROFILE 0
|
|---|
| 76 |
|
|---|
| 77 | /*int rootpid;
|
|---|
| 78 | int rootshell;*/
|
|---|
| 79 | #ifdef unused_variables
|
|---|
| 80 | STATIC union node *curcmd;
|
|---|
| 81 | STATIC union node *prevcmd;
|
|---|
| 82 | #endif
|
|---|
| 83 |
|
|---|
| 84 | STATIC void read_profile(struct shinstance *, const char *);
|
|---|
| 85 | STATIC char *find_dot_file(struct shinstance *, char *);
|
|---|
| 86 | int main(int, char **, char **);
|
|---|
| 87 | SH_NORETURN_1 void shell_main(shinstance *, int, char **) SH_NORETURN_2;
|
|---|
| 88 | #ifdef _MSC_VER
|
|---|
| 89 | extern void init_syntax(void);
|
|---|
| 90 | #endif
|
|---|
| 91 | STATIC int usage(const char *argv0);
|
|---|
| 92 | STATIC int version(const char *argv0);
|
|---|
| 93 |
|
|---|
| 94 | /*
|
|---|
| 95 | * Main routine. We initialize things, parse the arguments, execute
|
|---|
| 96 | * profiles if we're a login shell, and then call cmdloop to execute
|
|---|
| 97 | * commands. The setjmp call sets up the location to jump to when an
|
|---|
| 98 | * exception occurs. When an exception occurs the variable "state"
|
|---|
| 99 | * is used to figure out how far we had gotten.
|
|---|
| 100 | */
|
|---|
| 101 |
|
|---|
| 102 | int
|
|---|
| 103 | #if K_OS == K_OS_WINDOWS
|
|---|
| 104 | real_main(int argc, char **argv, char **envp)
|
|---|
| 105 | #else
|
|---|
| 106 | main(int argc, char **argv, char **envp)
|
|---|
| 107 | #endif
|
|---|
| 108 | {
|
|---|
| 109 | shinstance *psh;
|
|---|
| 110 |
|
|---|
| 111 | /*
|
|---|
| 112 | * Global initializations.
|
|---|
| 113 | */
|
|---|
| 114 | setlocale(LC_ALL, "");
|
|---|
| 115 | #ifdef _MSC_VER
|
|---|
| 116 | init_syntax();
|
|---|
| 117 | #endif
|
|---|
| 118 |
|
|---|
| 119 | /*
|
|---|
| 120 | * Check for --version and --help.
|
|---|
| 121 | */
|
|---|
| 122 | if (argc > 1 && argv[1][0] == '-' && argv[1][1] == '-') {
|
|---|
| 123 | if (!strcmp(argv[1], "--help"))
|
|---|
| 124 | return usage(argv[0]);
|
|---|
| 125 | if (!strcmp(argv[1], "--version"))
|
|---|
| 126 | return version(argv[0]);
|
|---|
| 127 | }
|
|---|
| 128 |
|
|---|
| 129 | /*
|
|---|
| 130 | * Create the root shell instance.
|
|---|
| 131 | */
|
|---|
| 132 | psh = sh_create_root_shell(NULL, argc, argv, envp);
|
|---|
| 133 | if (!psh)
|
|---|
| 134 | return 2;
|
|---|
| 135 | shthread_set_shell(psh);
|
|---|
| 136 | shell_main(psh, argc, psh->argptr);
|
|---|
| 137 | /* Not reached. */
|
|---|
| 138 | return 89;
|
|---|
| 139 | }
|
|---|
| 140 |
|
|---|
| 141 | SH_NORETURN_1 void
|
|---|
| 142 | shell_main(shinstance *psh, int argc, char **argv)
|
|---|
| 143 | {
|
|---|
| 144 | struct jmploc jmploc;
|
|---|
| 145 | struct stackmark smark;
|
|---|
| 146 | volatile int state;
|
|---|
| 147 | char *shinit;
|
|---|
| 148 |
|
|---|
| 149 | state = 0;
|
|---|
| 150 | if (setjmp(jmploc.loc)) {
|
|---|
| 151 | /*
|
|---|
| 152 | * When a shell procedure is executed, we raise the
|
|---|
| 153 | * exception EXSHELLPROC to clean up before executing
|
|---|
| 154 | * the shell procedure.
|
|---|
| 155 | */
|
|---|
| 156 | switch (psh->exception) {
|
|---|
| 157 | case EXSHELLPROC:
|
|---|
| 158 | psh->rootpid = /*getpid()*/ psh->pid;
|
|---|
| 159 | psh->rootshell = 1;
|
|---|
| 160 | psh->minusc = NULL;
|
|---|
| 161 | state = 3;
|
|---|
| 162 | break;
|
|---|
| 163 |
|
|---|
| 164 | case EXEXEC:
|
|---|
| 165 | psh->exitstatus = psh->exerrno;
|
|---|
| 166 | break;
|
|---|
| 167 |
|
|---|
| 168 | case EXERROR:
|
|---|
| 169 | psh->exitstatus = 2;
|
|---|
| 170 | break;
|
|---|
| 171 |
|
|---|
| 172 | default:
|
|---|
| 173 | break;
|
|---|
| 174 | }
|
|---|
| 175 |
|
|---|
| 176 | if (psh->exception != EXSHELLPROC) {
|
|---|
| 177 | if (state == 0 || iflag(psh) == 0 || ! psh->rootshell)
|
|---|
| 178 | exitshell(psh, psh->exitstatus);
|
|---|
| 179 | }
|
|---|
| 180 | reset(psh);
|
|---|
| 181 | if (psh->exception == EXINT
|
|---|
| 182 | #if ATTY
|
|---|
| 183 | && (! attyset(psh) || equal(termval(psh), "emacs"))
|
|---|
| 184 | #endif
|
|---|
| 185 | ) {
|
|---|
| 186 | out2c(psh, '\n');
|
|---|
| 187 | flushout(&psh->errout);
|
|---|
| 188 | }
|
|---|
| 189 | popstackmark(psh, &smark);
|
|---|
| 190 | FORCEINTON; /* enable interrupts */
|
|---|
| 191 | if (state == 1)
|
|---|
| 192 | goto state1;
|
|---|
| 193 | else if (state == 2)
|
|---|
| 194 | goto state2;
|
|---|
| 195 | else if (state == 3)
|
|---|
| 196 | goto state3;
|
|---|
| 197 | else
|
|---|
| 198 | goto state4;
|
|---|
| 199 | }
|
|---|
| 200 | psh->handler = &jmploc;
|
|---|
| 201 | psh->rootpid = /*getpid()*/ psh->pid;
|
|---|
| 202 | psh->rootshell = 1;
|
|---|
| 203 | #ifdef DEBUG
|
|---|
| 204 | #if DEBUG == 2
|
|---|
| 205 | debug(psh) = 1;
|
|---|
| 206 | #endif
|
|---|
| 207 | opentrace(psh);
|
|---|
| 208 | trputs(psh, "Shell args: "); trargs(psh, argv);
|
|---|
| 209 | #endif
|
|---|
| 210 |
|
|---|
| 211 | init(psh);
|
|---|
| 212 | setstackmark(psh, &smark);
|
|---|
| 213 | procargs(psh, argc, argv);
|
|---|
| 214 | if (argv[0] && argv[0][0] == '-') {
|
|---|
| 215 | state = 1;
|
|---|
| 216 | read_profile(psh, "/etc/profile");
|
|---|
| 217 | state1:
|
|---|
| 218 | state = 2;
|
|---|
| 219 | read_profile(psh, ".profile");
|
|---|
| 220 | }
|
|---|
| 221 | state2:
|
|---|
| 222 | state = 3;
|
|---|
| 223 | if (sh_getuid(psh) == sh_geteuid(psh) && sh_getgid(psh) == sh_getegid(psh)) {
|
|---|
| 224 | if ((shinit = lookupvar(psh, "ENV")) != NULL && *shinit != '\0') {
|
|---|
| 225 | state = 3;
|
|---|
| 226 | read_profile(psh, shinit);
|
|---|
| 227 | }
|
|---|
| 228 | }
|
|---|
| 229 | state3:
|
|---|
| 230 | state = 4;
|
|---|
| 231 | if (sflag(psh) == 0 || psh->minusc) {
|
|---|
| 232 | static int sigs[] = {
|
|---|
| 233 | SIGINT, SIGQUIT, SIGHUP,
|
|---|
| 234 | #ifdef SIGTSTP
|
|---|
| 235 | SIGTSTP,
|
|---|
| 236 | #endif
|
|---|
| 237 | SIGPIPE
|
|---|
| 238 | };
|
|---|
| 239 | #define SIGSSIZE (sizeof(sigs)/sizeof(sigs[0]))
|
|---|
| 240 | unsigned i;
|
|---|
| 241 |
|
|---|
| 242 | for (i = 0; i < SIGSSIZE; i++)
|
|---|
| 243 | setsignal(psh, sigs[i], 0);
|
|---|
| 244 | }
|
|---|
| 245 |
|
|---|
| 246 | if (psh->minusc)
|
|---|
| 247 | evalstring(psh, psh->minusc, 0);
|
|---|
| 248 |
|
|---|
| 249 | if (sflag(psh) || psh->minusc == NULL) {
|
|---|
| 250 | state4: /* XXX ??? - why isn't this before the "if" statement */
|
|---|
| 251 | cmdloop(psh, 1);
|
|---|
| 252 | }
|
|---|
| 253 | exitshell(psh, psh->exitstatus);
|
|---|
| 254 | /* NOTREACHED */
|
|---|
| 255 | }
|
|---|
| 256 |
|
|---|
| 257 |
|
|---|
| 258 | /*
|
|---|
| 259 | * Read and execute commands. "Top" is nonzero for the top level command
|
|---|
| 260 | * loop; it turns on prompting if the shell is interactive.
|
|---|
| 261 | */
|
|---|
| 262 |
|
|---|
| 263 | void
|
|---|
| 264 | cmdloop(struct shinstance *psh, int top)
|
|---|
| 265 | {
|
|---|
| 266 | union node *n;
|
|---|
| 267 | struct stackmark smark;
|
|---|
| 268 | int inter;
|
|---|
| 269 | int numeof = 0;
|
|---|
| 270 |
|
|---|
| 271 | TRACE((psh, "cmdloop(%d) called\n", top));
|
|---|
| 272 | setstackmark(psh, &smark);
|
|---|
| 273 | for (;;) {
|
|---|
| 274 | if (psh->pendingsigs)
|
|---|
| 275 | dotrap(psh);
|
|---|
| 276 | inter = 0;
|
|---|
| 277 | if (iflag(psh) && top) {
|
|---|
| 278 | inter = 1;
|
|---|
| 279 | showjobs(psh, psh->out2, SHOW_CHANGED);
|
|---|
| 280 | chkmail(psh, 0);
|
|---|
| 281 | flushout(&psh->errout);
|
|---|
| 282 | }
|
|---|
| 283 | n = parsecmd(psh, inter);
|
|---|
| 284 | /* showtree(n); DEBUG */
|
|---|
| 285 | if (n == NEOF) {
|
|---|
| 286 | if (!top || numeof >= 50)
|
|---|
| 287 | break;
|
|---|
| 288 | if (!stoppedjobs(psh)) {
|
|---|
| 289 | if (!Iflag(psh))
|
|---|
| 290 | break;
|
|---|
| 291 | out2str(psh, "\nUse \"exit\" to leave shell.\n");
|
|---|
| 292 | }
|
|---|
| 293 | numeof++;
|
|---|
| 294 | } else if (n != NULL && nflag(psh) == 0) {
|
|---|
| 295 | psh->job_warning = (psh->job_warning == 2) ? 1 : 0;
|
|---|
| 296 | numeof = 0;
|
|---|
| 297 | evaltree(psh, n, 0);
|
|---|
| 298 | }
|
|---|
| 299 | popstackmark(psh, &smark);
|
|---|
| 300 | setstackmark(psh, &smark);
|
|---|
| 301 | if (psh->evalskip == SKIPFILE) {
|
|---|
| 302 | psh->evalskip = 0;
|
|---|
| 303 | break;
|
|---|
| 304 | }
|
|---|
| 305 | }
|
|---|
| 306 | popstackmark(psh, &smark);
|
|---|
| 307 | }
|
|---|
| 308 |
|
|---|
| 309 |
|
|---|
| 310 |
|
|---|
| 311 | /*
|
|---|
| 312 | * Read /etc/profile or .profile. Return on error.
|
|---|
| 313 | */
|
|---|
| 314 |
|
|---|
| 315 | STATIC void
|
|---|
| 316 | read_profile(struct shinstance *psh, const char *name)
|
|---|
| 317 | {
|
|---|
| 318 | int fd;
|
|---|
| 319 | int xflag_set = 0;
|
|---|
| 320 | int vflag_set = 0;
|
|---|
| 321 |
|
|---|
| 322 | INTOFF;
|
|---|
| 323 | if ((fd = shfile_open(&psh->fdtab, name, O_RDONLY, 0)) >= 0)
|
|---|
| 324 | setinputfd(psh, fd, 1);
|
|---|
| 325 | INTON;
|
|---|
| 326 | if (fd < 0)
|
|---|
| 327 | return;
|
|---|
| 328 | /* -q turns off -x and -v just when executing init files */
|
|---|
| 329 | if (qflag(psh)) {
|
|---|
| 330 | if (xflag(psh))
|
|---|
| 331 | xflag(psh) = 0, xflag_set = 1;
|
|---|
| 332 | if (vflag(psh))
|
|---|
| 333 | vflag(psh) = 0, vflag_set = 1;
|
|---|
| 334 | }
|
|---|
| 335 | cmdloop(psh, 0);
|
|---|
| 336 | if (qflag(psh)) {
|
|---|
| 337 | if (xflag_set)
|
|---|
| 338 | xflag(psh) = 1;
|
|---|
| 339 | if (vflag_set)
|
|---|
| 340 | vflag(psh) = 1;
|
|---|
| 341 | }
|
|---|
| 342 | popfile(psh);
|
|---|
| 343 | }
|
|---|
| 344 |
|
|---|
| 345 |
|
|---|
| 346 |
|
|---|
| 347 | /*
|
|---|
| 348 | * Read a file containing shell functions.
|
|---|
| 349 | */
|
|---|
| 350 |
|
|---|
| 351 | void
|
|---|
| 352 | readcmdfile(struct shinstance *psh, char *name)
|
|---|
| 353 | {
|
|---|
| 354 | int fd;
|
|---|
| 355 |
|
|---|
| 356 | INTOFF;
|
|---|
| 357 | if ((fd = shfile_open(&psh->fdtab, name, O_RDONLY, 0)) >= 0)
|
|---|
| 358 | setinputfd(psh, fd, 1);
|
|---|
| 359 | else
|
|---|
| 360 | error(psh, "Can't open %s", name);
|
|---|
| 361 | INTON;
|
|---|
| 362 | cmdloop(psh, 0);
|
|---|
| 363 | popfile(psh);
|
|---|
| 364 | }
|
|---|
| 365 |
|
|---|
| 366 |
|
|---|
| 367 |
|
|---|
| 368 | /*
|
|---|
| 369 | * Take commands from a file. To be compatible we should do a path
|
|---|
| 370 | * search for the file, which is necessary to find sub-commands.
|
|---|
| 371 | */
|
|---|
| 372 |
|
|---|
| 373 |
|
|---|
| 374 | STATIC char *
|
|---|
| 375 | find_dot_file(struct shinstance *psh, char *basename)
|
|---|
| 376 | {
|
|---|
| 377 | char *fullname;
|
|---|
| 378 | const char *path = pathval(psh);
|
|---|
| 379 | struct stat statb;
|
|---|
| 380 |
|
|---|
| 381 | /* don't try this for absolute or relative paths */
|
|---|
| 382 | if (strchr(basename, '/'))
|
|---|
| 383 | return basename;
|
|---|
| 384 |
|
|---|
| 385 | while ((fullname = padvance(psh, &path, basename)) != NULL) {
|
|---|
| 386 | if ((shfile_stat(&psh->fdtab, fullname, &statb) == 0) && S_ISREG(statb.st_mode)) {
|
|---|
| 387 | /*
|
|---|
| 388 | * Don't bother freeing here, since it will
|
|---|
| 389 | * be freed by the caller.
|
|---|
| 390 | */
|
|---|
| 391 | return fullname;
|
|---|
| 392 | }
|
|---|
| 393 | stunalloc(psh, fullname);
|
|---|
| 394 | }
|
|---|
| 395 |
|
|---|
| 396 | /* not found in the PATH */
|
|---|
| 397 | error(psh, "%s: not found", basename);
|
|---|
| 398 | /* NOTREACHED */
|
|---|
| 399 | return NULL;
|
|---|
| 400 | }
|
|---|
| 401 |
|
|---|
| 402 | int
|
|---|
| 403 | dotcmd(struct shinstance *psh, int argc, char **argv)
|
|---|
| 404 | {
|
|---|
| 405 | psh->exitstatus = 0;
|
|---|
| 406 |
|
|---|
| 407 | if (argc >= 2) { /* That's what SVR2 does */
|
|---|
| 408 | char *fullname;
|
|---|
| 409 | struct stackmark smark;
|
|---|
| 410 |
|
|---|
| 411 | setstackmark(psh, &smark);
|
|---|
| 412 | fullname = find_dot_file(psh, argv[1]);
|
|---|
| 413 | setinputfile(psh, fullname, 1);
|
|---|
| 414 | psh->commandname = fullname;
|
|---|
| 415 | cmdloop(psh, 0);
|
|---|
| 416 | popfile(psh);
|
|---|
| 417 | popstackmark(psh, &smark);
|
|---|
| 418 | }
|
|---|
| 419 | return psh->exitstatus;
|
|---|
| 420 | }
|
|---|
| 421 |
|
|---|
| 422 |
|
|---|
| 423 | int
|
|---|
| 424 | exitcmd(struct shinstance *psh, int argc, char **argv)
|
|---|
| 425 | {
|
|---|
| 426 | if (stoppedjobs(psh))
|
|---|
| 427 | return 0;
|
|---|
| 428 | if (argc > 1)
|
|---|
| 429 | psh->exitstatus = number(psh, argv[1]);
|
|---|
| 430 | exitshell(psh, psh->exitstatus);
|
|---|
| 431 | /* NOTREACHED */
|
|---|
| 432 | return 1;
|
|---|
| 433 | }
|
|---|
| 434 |
|
|---|
| 435 |
|
|---|
| 436 | STATIC const char *
|
|---|
| 437 | strip_argv0(const char *argv0, unsigned *lenp)
|
|---|
| 438 | {
|
|---|
| 439 | const char *tmp;
|
|---|
| 440 |
|
|---|
| 441 | /* skip the path */
|
|---|
| 442 | for (tmp = strpbrk(argv0, "\\/:"); tmp; tmp = strpbrk(argv0, "\\/:"))
|
|---|
| 443 | argv0 = tmp + 1;
|
|---|
| 444 |
|
|---|
| 445 | /* find the end, ignoring extenions */
|
|---|
| 446 | tmp = strrchr(argv0, '.');
|
|---|
| 447 | if (!tmp)
|
|---|
| 448 | tmp = strchr(argv0, '\0');
|
|---|
| 449 | *lenp = (unsigned)(tmp - argv0);
|
|---|
| 450 | return argv0;
|
|---|
| 451 | }
|
|---|
| 452 |
|
|---|
| 453 | STATIC int
|
|---|
| 454 | usage(const char *argv0)
|
|---|
| 455 | {
|
|---|
| 456 | unsigned len;
|
|---|
| 457 | argv0 = strip_argv0(argv0, &len);
|
|---|
| 458 |
|
|---|
| 459 | fprintf(stdout,
|
|---|
| 460 | "usage: %.*s [-aCefnuvxIimqVEb] [+aCefnuvxIimqVEb] [-o option_name]\n"
|
|---|
| 461 | " [+o option_name] [command_file [argument ...]]\n"
|
|---|
| 462 | " or: %.*s -c [-aCefnuvxIimqVEb] [+aCefnuvxIimqVEb] [-o option_name]\n"
|
|---|
| 463 | " [+o option_name] command_string [command_name [argument ...]]\n"
|
|---|
| 464 | " or: %.*s -s [-aCefnuvxIimqVEb] [+aCefnuvxIimqVEb] [-o option_name]\n"
|
|---|
| 465 | " [+o option_name] [argument ...]\n"
|
|---|
| 466 | " or: %.*s --help\n"
|
|---|
| 467 | " or: %.*s --version\n",
|
|---|
| 468 | len, argv0, len, argv0, len, argv0, len, argv0, len, argv0);
|
|---|
| 469 | return 0;
|
|---|
| 470 | }
|
|---|
| 471 |
|
|---|
| 472 | STATIC int
|
|---|
| 473 | version(const char *argv0)
|
|---|
| 474 | {
|
|---|
| 475 | unsigned len;
|
|---|
| 476 | strip_argv0(argv0, &len);
|
|---|
| 477 |
|
|---|
| 478 | fprintf(stdout,
|
|---|
| 479 | "%.*s - kBuild version %d.%d.%d (r%u)\n",
|
|---|
| 480 | len, argv0,
|
|---|
| 481 | KBUILD_VERSION_MAJOR, KBUILD_VERSION_MINOR, KBUILD_VERSION_PATCH, KBUILD_SVN_REV);
|
|---|
| 482 | return 0;
|
|---|
| 483 | }
|
|---|
| 484 |
|
|---|
| 485 |
|
|---|
| 486 | /*
|
|---|
| 487 | * Local Variables:
|
|---|
| 488 | * c-file-style: bsd
|
|---|
| 489 | * End:
|
|---|
| 490 | */
|
|---|
