File: | src/usr.bin/xargs/xargs.c |
Warning: | line 530, column 10 Although the value stored to 'pid' is used in the enclosing expression, the value is never actually read from 'pid' |
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1 | /* $OpenBSD: xargs.c,v 1.35 2020/07/19 13:19:25 schwarze Exp $ */ |
2 | /* $FreeBSD: xargs.c,v 1.51 2003/05/03 19:09:11 obrien Exp $ */ |
3 | |
4 | /*- |
5 | * Copyright (c) 1990, 1993 |
6 | * The Regents of the University of California. All rights reserved. |
7 | * |
8 | * This code is derived from software contributed to Berkeley by |
9 | * John B. Roll Jr. |
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 | * 3. Neither the name of the University nor the names of its contributors |
20 | * may be used to endorse or promote products derived from this software |
21 | * without specific prior written permission. |
22 | * |
23 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
24 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
27 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
30 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
31 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
32 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
33 | * SUCH DAMAGE. |
34 | * |
35 | * $xMach: xargs.c,v 1.6 2002/02/23 05:27:47 tim Exp $ |
36 | */ |
37 | |
38 | #include <sys/wait.h> |
39 | |
40 | #include <ctype.h> |
41 | #include <err.h> |
42 | #include <errno(*__errno()).h> |
43 | #include <fcntl.h> |
44 | #include <paths.h> |
45 | #include <signal.h> |
46 | #include <stdio.h> |
47 | #include <stdlib.h> |
48 | #include <string.h> |
49 | #include <unistd.h> |
50 | #include <limits.h> |
51 | |
52 | #include "pathnames.h" |
53 | |
54 | static void parse_input(int, char *[]); |
55 | static void prerun(int, char *[]); |
56 | static int prompt(void); |
57 | static void run(char **); |
58 | static void usage(void); |
59 | void strnsubst(char **, const char *, const char *, size_t); |
60 | static void waitchildren(const char *, int); |
61 | |
62 | static char **av, **bxp, **ep, **endxp, **xp; |
63 | static char *argp, *bbp, *ebp, *inpline, *p, *replstr; |
64 | static const char *eofstr; |
65 | static int count, insingle, indouble, oflag, pflag, tflag, Rflag, rval, zflag; |
66 | static int cnt, Iflag, jfound, Lflag, wasquoted, xflag, runeof = 1; |
67 | static int curprocs, maxprocs; |
68 | static size_t inpsize; |
69 | |
70 | extern char **environ; |
71 | |
72 | int |
73 | main(int argc, char *argv[]) |
74 | { |
75 | long arg_max; |
76 | int ch, Jflag, nargs, nflag, nline; |
77 | size_t linelen; |
78 | char *endptr; |
79 | const char *errstr; |
80 | |
81 | inpline = replstr = NULL((void *)0); |
82 | ep = environ; |
83 | eofstr = ""; |
84 | Jflag = nflag = 0; |
85 | |
86 | /* |
87 | * POSIX.2 limits the exec line length to ARG_MAX - 2K. Running that |
88 | * caused some E2BIG errors, so it was changed to ARG_MAX - 4K. Given |
89 | * that the smallest argument is 2 bytes in length, this means that |
90 | * the number of arguments is limited to: |
91 | * |
92 | * (ARG_MAX - 4K - LENGTH(utility + arguments)) / 2. |
93 | * |
94 | * We arbitrarily limit the number of arguments to 5000. This is |
95 | * allowed by POSIX.2 as long as the resulting minimum exec line is |
96 | * at least LINE_MAX. Realloc'ing as necessary is possible, but |
97 | * probably not worthwhile. |
98 | */ |
99 | nargs = 5000; |
100 | if ((arg_max = sysconf(_SC_ARG_MAX1)) == -1) |
101 | errx(1, "sysconf(_SC_ARG_MAX) failed"); |
102 | |
103 | if (pledge("stdio rpath proc exec", NULL((void *)0)) == -1) |
104 | err(1, "pledge"); |
105 | |
106 | nline = arg_max - 4 * 1024; |
107 | while (*ep != NULL((void *)0)) { |
108 | /* 1 byte for each '\0' */ |
109 | nline -= strlen(*ep++) + 1 + sizeof(*ep); |
110 | } |
111 | maxprocs = 1; |
112 | while ((ch = getopt(argc, argv, "0E:I:J:L:n:oP:pR:rs:tx")) != -1) |
113 | switch (ch) { |
114 | case 'E': |
115 | eofstr = optarg; |
116 | break; |
117 | case 'I': |
118 | Jflag = 0; |
119 | Iflag = 1; |
120 | Lflag = 1; |
121 | replstr = optarg; |
122 | break; |
123 | case 'J': |
124 | Iflag = 0; |
125 | Jflag = 1; |
126 | replstr = optarg; |
127 | break; |
128 | case 'L': |
129 | Lflag = strtonum(optarg, 0, INT_MAX2147483647, &errstr); |
130 | if (errstr) |
131 | errx(1, "-L %s: %s", optarg, errstr); |
132 | break; |
133 | case 'n': |
134 | nflag = 1; |
135 | nargs = strtonum(optarg, 1, INT_MAX2147483647, &errstr); |
136 | if (errstr) |
137 | errx(1, "-n %s: %s", optarg, errstr); |
138 | break; |
139 | case 'o': |
140 | oflag = 1; |
141 | break; |
142 | case 'P': |
143 | maxprocs = strtonum(optarg, 1, INT_MAX2147483647, &errstr); |
144 | if (errstr) |
145 | errx(1, "-P %s: %s", optarg, errstr); |
146 | break; |
147 | case 'p': |
148 | pflag = 1; |
149 | break; |
150 | case 'r': |
151 | runeof = 0; |
152 | break; |
153 | case 'R': |
154 | Rflag = strtol(optarg, &endptr, 10); |
155 | if (*endptr != '\0') |
156 | errx(1, "replacements must be a number"); |
157 | break; |
158 | case 's': |
159 | nline = strtonum(optarg, 0, INT_MAX2147483647, &errstr); |
160 | if (errstr) |
161 | errx(1, "-s %s: %s", optarg, errstr); |
162 | break; |
163 | case 't': |
164 | tflag = 1; |
165 | break; |
166 | case 'x': |
167 | xflag = 1; |
168 | break; |
169 | case '0': |
170 | zflag = 1; |
171 | break; |
172 | case '?': |
173 | default: |
174 | usage(); |
175 | } |
176 | argc -= optind; |
177 | argv += optind; |
178 | |
179 | if (!Iflag && Rflag) |
180 | usage(); |
181 | if (Iflag && !Rflag) |
182 | Rflag = 5; |
183 | if (xflag && !nflag) |
184 | usage(); |
185 | if (Iflag || Lflag) |
186 | xflag = 1; |
187 | if (replstr != NULL((void *)0) && *replstr == '\0') |
188 | errx(1, "replstr may not be empty"); |
189 | |
190 | /* |
191 | * Allocate pointers for the utility name, the utility arguments, |
192 | * the maximum arguments to be read from stdin and the trailing |
193 | * NULL. |
194 | */ |
195 | linelen = 1 + argc + nargs + 1; |
196 | if ((av = bxp = calloc(linelen, sizeof(char *))) == NULL((void *)0)) |
197 | err(1, NULL((void *)0)); |
198 | |
199 | /* |
200 | * Use the user's name for the utility as argv[0], just like the |
201 | * shell. Echo is the default. Set up pointers for the user's |
202 | * arguments. |
203 | */ |
204 | if (*argv == NULL((void *)0)) |
205 | cnt = strlen(*bxp++ = _PATH_ECHO"/bin/echo"); |
206 | else { |
207 | do { |
208 | if (Jflag && strcmp(*argv, replstr) == 0) { |
209 | char **avj; |
210 | jfound = 1; |
211 | argv++; |
212 | for (avj = argv; *avj; avj++) |
213 | cnt += strlen(*avj) + 1; |
214 | break; |
215 | } |
216 | cnt += strlen(*bxp++ = *argv) + 1; |
217 | } while (*++argv != NULL((void *)0)); |
218 | } |
219 | |
220 | /* |
221 | * Set up begin/end/traversing pointers into the array. The -n |
222 | * count doesn't include the trailing NULL pointer, so the malloc |
223 | * added in an extra slot. |
224 | */ |
225 | endxp = (xp = bxp) + nargs; |
226 | |
227 | /* |
228 | * Allocate buffer space for the arguments read from stdin and the |
229 | * trailing NULL. Buffer space is defined as the default or specified |
230 | * space, minus the length of the utility name and arguments. Set up |
231 | * begin/end/traversing pointers into the array. The -s count does |
232 | * include the trailing NULL, so the malloc didn't add in an extra |
233 | * slot. |
234 | */ |
235 | nline -= cnt; |
236 | if (nline <= 0) |
237 | errx(1, "insufficient space for command"); |
238 | |
239 | if ((bbp = malloc((size_t)(nline + 1))) == NULL((void *)0)) |
240 | err(1, NULL((void *)0)); |
241 | ebp = (argp = p = bbp) + nline - 1; |
242 | for (;;) |
243 | parse_input(argc, argv); |
244 | } |
245 | |
246 | static void |
247 | parse_input(int argc, char *argv[]) |
248 | { |
249 | int hasblank = 0; |
250 | static int hadblank = 0; |
251 | int ch, foundeof = 0; |
252 | char **avj; |
253 | |
254 | ch = getchar()(!__isthreaded ? (--((&__sF[0]))->_r < 0 ? __srget( (&__sF[0])) : (int)(*((&__sF[0]))->_p++)) : (getc) ((&__sF[0]))); |
255 | if (isblank(ch)) { |
256 | /* Quotes escape tabs and spaces. */ |
257 | if (insingle || indouble) |
258 | goto addch; |
259 | hasblank = 1; |
260 | if (zflag) |
261 | goto addch; |
262 | goto arg2; |
263 | } |
264 | |
265 | switch (ch) { |
266 | case EOF(-1): |
267 | /* No arguments since last exec. */ |
268 | if (p == bbp) { |
269 | if (runeof) |
270 | prerun(0, av); |
271 | waitchildren(*argv, 1); |
272 | exit(rval); |
273 | } |
274 | goto arg1; |
275 | case '\0': |
276 | if (zflag) { |
277 | /* |
278 | * Increment 'count', so that nulls will be treated |
279 | * as end-of-line, as well as end-of-argument. This |
280 | * is needed so -0 works properly with -I and -L. |
281 | */ |
282 | count++; |
283 | goto arg2; |
284 | } |
285 | goto addch; |
286 | case '\n': |
287 | if (zflag) |
288 | goto addch; |
289 | hasblank = 1; |
290 | if (hadblank == 0) |
291 | count++; |
292 | |
293 | /* Quotes do not escape newlines. */ |
294 | arg1: if (insingle || indouble) |
295 | errx(1, "unterminated quote"); |
296 | arg2: |
297 | foundeof = *eofstr != '\0' && |
298 | strcmp(argp, eofstr) == 0; |
299 | |
300 | /* Do not make empty args unless they are quoted */ |
301 | if ((argp != p || wasquoted) && !foundeof) { |
302 | *p++ = '\0'; |
303 | *xp++ = argp; |
304 | if (Iflag) { |
305 | size_t curlen; |
306 | |
307 | if (inpline == NULL((void *)0)) |
308 | curlen = 0; |
309 | else { |
310 | /* |
311 | * If this string is not zero |
312 | * length, append a space for |
313 | * separation before the next |
314 | * argument. |
315 | */ |
316 | if ((curlen = strlen(inpline))) |
317 | strlcat(inpline, " ", inpsize); |
318 | } |
319 | curlen++; |
320 | /* |
321 | * Allocate enough to hold what we will |
322 | * be holding in a second, and to append |
323 | * a space next time through, if we have |
324 | * to. |
325 | */ |
326 | inpsize = curlen + 2 + strlen(argp); |
327 | inpline = realloc(inpline, inpsize); |
328 | if (inpline == NULL((void *)0)) |
329 | errx(1, "realloc failed"); |
330 | if (curlen == 1) |
331 | strlcpy(inpline, argp, inpsize); |
332 | else |
333 | strlcat(inpline, argp, inpsize); |
334 | } |
335 | } |
336 | |
337 | /* |
338 | * If max'd out on args or buffer, or reached EOF, |
339 | * run the command. If xflag and max'd out on buffer |
340 | * but not on args, object. Having reached the limit |
341 | * of input lines, as specified by -L is the same as |
342 | * maxing out on arguments. |
343 | */ |
344 | if (xp == endxp || p > ebp || ch == EOF(-1) || |
345 | (Lflag <= count && xflag) || foundeof) { |
346 | if (xflag && xp != endxp && p > ebp) |
347 | errx(1, "insufficient space for arguments"); |
348 | if (jfound) { |
349 | for (avj = argv; *avj; avj++) |
350 | *xp++ = *avj; |
351 | } |
352 | prerun(argc, av); |
353 | if (ch == EOF(-1) || foundeof) { |
354 | waitchildren(*argv, 1); |
355 | exit(rval); |
356 | } |
357 | p = bbp; |
358 | xp = bxp; |
359 | count = 0; |
360 | } |
361 | argp = p; |
362 | wasquoted = 0; |
363 | break; |
364 | case '\'': |
365 | if (indouble || zflag) |
366 | goto addch; |
367 | insingle = !insingle; |
368 | wasquoted = 1; |
369 | break; |
370 | case '"': |
371 | if (insingle || zflag) |
372 | goto addch; |
373 | indouble = !indouble; |
374 | wasquoted = 1; |
375 | break; |
376 | case '\\': |
377 | if (zflag) |
378 | goto addch; |
379 | /* Backslash escapes anything, is escaped by quotes. */ |
380 | if (!insingle && !indouble && (ch = getchar()(!__isthreaded ? (--((&__sF[0]))->_r < 0 ? __srget( (&__sF[0])) : (int)(*((&__sF[0]))->_p++)) : (getc) ((&__sF[0])))) == EOF(-1)) |
381 | errx(1, "backslash at EOF"); |
382 | /* FALLTHROUGH */ |
383 | default: |
384 | addch: if (p < ebp) { |
385 | *p++ = ch; |
386 | break; |
387 | } |
388 | |
389 | /* If only one argument, not enough buffer space. */ |
390 | if (bxp == xp) |
391 | errx(1, "insufficient space for argument"); |
392 | /* Didn't hit argument limit, so if xflag object. */ |
393 | if (xflag) |
394 | errx(1, "insufficient space for arguments"); |
395 | |
396 | if (jfound) { |
397 | for (avj = argv; *avj; avj++) |
398 | *xp++ = *avj; |
399 | } |
400 | prerun(argc, av); |
401 | xp = bxp; |
402 | cnt = ebp - argp; |
403 | memmove(bbp, argp, (size_t)cnt); |
404 | p = (argp = bbp) + cnt; |
405 | *p++ = ch; |
406 | break; |
407 | } |
408 | hadblank = hasblank; |
409 | } |
410 | |
411 | /* |
412 | * Do things necessary before run()'ing, such as -I substitution, |
413 | * and then call run(). |
414 | */ |
415 | static void |
416 | prerun(int argc, char *argv[]) |
417 | { |
418 | char **tmp, **tmp2, **avj; |
419 | int repls; |
420 | |
421 | repls = Rflag; |
422 | runeof = 0; |
423 | |
424 | if (argc == 0 || repls == 0) { |
425 | *xp = NULL((void *)0); |
426 | run(argv); |
427 | return; |
428 | } |
429 | |
430 | avj = argv; |
431 | |
432 | /* |
433 | * Allocate memory to hold the argument list, and |
434 | * a NULL at the tail. |
435 | */ |
436 | tmp = calloc(argc + 1, sizeof(char *)); |
437 | if (tmp == NULL((void *)0)) |
438 | err(1, NULL((void *)0)); |
439 | tmp2 = tmp; |
440 | |
441 | /* |
442 | * Save the first argument and iterate over it, we |
443 | * cannot do strnsubst() to it. |
444 | */ |
445 | if ((*tmp++ = strdup(*avj++)) == NULL((void *)0)) |
446 | err(1, NULL((void *)0)); |
447 | |
448 | /* |
449 | * For each argument to utility, if we have not used up |
450 | * the number of replacements we are allowed to do, and |
451 | * if the argument contains at least one occurrence of |
452 | * replstr, call strnsubst(), else just save the string. |
453 | * Iterations over elements of avj and tmp are done |
454 | * where appropriate. |
455 | */ |
456 | while (--argc) { |
457 | *tmp = *avj++; |
458 | if (repls && strstr(*tmp, replstr) != NULL((void *)0)) { |
459 | strnsubst(tmp++, replstr, inpline, (size_t)255); |
460 | if (repls > 0) |
461 | repls--; |
462 | } else { |
463 | if ((*tmp = strdup(*tmp)) == NULL((void *)0)) |
464 | err(1, NULL((void *)0)); |
465 | tmp++; |
466 | } |
467 | } |
468 | |
469 | /* |
470 | * Run it. |
471 | */ |
472 | *tmp = NULL((void *)0); |
473 | run(tmp2); |
474 | |
475 | /* |
476 | * Walk from the tail to the head, free along the way. |
477 | */ |
478 | for (; tmp2 != tmp; tmp--) |
479 | free(*tmp); |
480 | /* |
481 | * Now free the list itself. |
482 | */ |
483 | free(tmp2); |
484 | |
485 | /* |
486 | * Free the input line buffer, if we have one. |
487 | */ |
488 | free(inpline); |
489 | inpline = NULL((void *)0); |
490 | } |
491 | |
492 | static void |
493 | run(char **argv) |
494 | { |
495 | pid_t pid; |
496 | int fd; |
497 | char **avec; |
498 | |
499 | /* |
500 | * If the user wants to be notified of each command before it is |
501 | * executed, notify them. If they want the notification to be |
502 | * followed by a prompt, then prompt them. |
503 | */ |
504 | if (tflag || pflag) { |
505 | fprintf(stderr(&__sF[2]), "%s", *argv); |
506 | for (avec = argv + 1; *avec != NULL((void *)0); ++avec) |
507 | fprintf(stderr(&__sF[2]), " %s", *avec); |
508 | /* |
509 | * If the user has asked to be prompted, do so. |
510 | */ |
511 | if (pflag) |
512 | /* |
513 | * If they asked not to exec, return without execution |
514 | * but if they asked to, go to the execution. If we |
515 | * could not open their tty, break the switch and drop |
516 | * back to -t behaviour. |
517 | */ |
518 | switch (prompt()) { |
519 | case 0: |
520 | return; |
521 | case 1: |
522 | goto exec; |
523 | case 2: |
524 | break; |
525 | } |
526 | fprintf(stderr(&__sF[2]), "\n"); |
527 | fflush(stderr(&__sF[2])); |
528 | } |
529 | exec: |
530 | switch (pid = vfork()) { |
Although the value stored to 'pid' is used in the enclosing expression, the value is never actually read from 'pid' | |
531 | case -1: |
532 | err(1, "vfork"); |
533 | case 0: |
534 | if (oflag) { |
535 | if ((fd = open(_PATH_TTY"/dev/tty", O_RDONLY0x0000)) == -1) { |
536 | warn("can't open /dev/tty"); |
537 | _exit(1); |
538 | } |
539 | } else { |
540 | fd = open(_PATH_DEVNULL"/dev/null", O_RDONLY0x0000); |
541 | } |
542 | if (fd > STDIN_FILENO0) { |
543 | if (dup2(fd, STDIN_FILENO0) != 0) { |
544 | warn("can't dup2 to stdin"); |
545 | _exit(1); |
546 | } |
547 | close(fd); |
548 | } |
549 | execvp(argv[0], argv); |
550 | warn("%s", argv[0]); |
551 | _exit(errno(*__errno()) == ENOENT2 ? 127 : 126); |
552 | } |
553 | curprocs++; |
554 | waitchildren(*argv, 0); |
555 | } |
556 | |
557 | static void |
558 | waitchildren(const char *name, int waitall) |
559 | { |
560 | pid_t pid; |
561 | int status; |
562 | |
563 | while ((pid = waitpid(-1, &status, !waitall && curprocs < maxprocs ? |
564 | WNOHANG1 : 0)) > 0) { |
565 | curprocs--; |
566 | /* |
567 | * According to POSIX, we have to exit if the utility exits |
568 | * with a 255 status, or is interrupted by a signal. |
569 | * We are allowed to return any exit status between 1 and |
570 | * 125 in these cases, but we'll use 124 and 125, the same |
571 | * values used by GNU xargs. |
572 | */ |
573 | if (WIFEXITED(status)(((status) & 0177) == 0)) { |
574 | if (WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff) == 255) { |
575 | warnx("%s exited with status 255", name); |
576 | exit(124); |
577 | } else if (WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff) == 127 || |
578 | WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff) == 126) { |
579 | exit(WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff)); |
580 | } else if (WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff) != 0) { |
581 | rval = 123; |
582 | } |
583 | } else if (WIFSIGNALED(status)(((status) & 0177) != 0177 && ((status) & 0177 ) != 0)) { |
584 | if (WTERMSIG(status)(((status) & 0177)) != SIGPIPE13) { |
585 | if (WTERMSIG(status)(((status) & 0177)) < NSIG33) |
586 | warnx("%s terminated by SIG%s", name, |
587 | sys_signame[WTERMSIG(status)(((status) & 0177))]); |
588 | else |
589 | warnx("%s terminated by signal %d", |
590 | name, WTERMSIG(status)(((status) & 0177))); |
591 | } |
592 | exit(125); |
593 | } |
594 | } |
595 | if (pid == -1 && errno(*__errno()) != ECHILD10) |
596 | err(1, "waitpid"); |
597 | } |
598 | |
599 | /* |
600 | * Prompt the user about running a command. |
601 | */ |
602 | static int |
603 | prompt(void) |
604 | { |
605 | size_t rsize; |
606 | char *response; |
607 | FILE *ttyfp; |
608 | int doit = 0; |
609 | |
610 | if ((ttyfp = fopen(_PATH_TTY"/dev/tty", "r")) == NULL((void *)0)) |
611 | return (2); /* Indicate that the TTY failed to open. */ |
612 | fprintf(stderr(&__sF[2]), "?..."); |
613 | fflush(stderr(&__sF[2])); |
614 | response = fgetln(ttyfp, &rsize); |
615 | doit = response != NULL((void *)0) && (*response == 'y' || *response == 'Y'); |
616 | fclose(ttyfp); |
617 | return (doit); |
618 | } |
619 | |
620 | static void |
621 | usage(void) |
622 | { |
623 | fprintf(stderr(&__sF[2]), |
624 | "usage: xargs [-0oprt] [-E eofstr] [-I replstr [-R replacements]] [-J replstr]\n" |
625 | " [-L number] [-n number [-x]] [-P maxprocs] [-s size]\n" |
626 | " [utility [argument ...]]\n"); |
627 | exit(1); |
628 | } |