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1 /*
2 * Copyright (c) 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Michael Fischbein.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37 #ifndef lint
38 static const char copyright[] =
39 "@(#) Copyright (c) 1989, 1993, 1994\n\
40 The Regents of the University of California. All rights reserved.\n";
41 #endif /* not lint */
42
43 #if 0
44 #ifndef lint
45 static char sccsid[] = "@(#)ls.c 8.5 (Berkeley) 4/2/94";
46 #endif /* not lint */
47 #endif
48 #include <sys/cdefs.h>
49 __RCSID("$FreeBSD: src/bin/ls/ls.c,v 1.66 2002/09/21 01:28:36 wollman Exp $");
50
51 #include <sys/types.h>
52 #include <sys/stat.h>
53 #include <sys/ioctl.h>
54
55 #include <dirent.h>
56 #include <err.h>
57 #include <errno.h>
58 #include <fts.h>
59 #include <grp.h>
60 #include <limits.h>
61 #include <locale.h>
62 #include <pwd.h>
63 #include <stdio.h>
64 #include <stdlib.h>
65 #include <string.h>
66 #include <unistd.h>
67 #ifdef COLORLS
68 #include <termcap.h>
69 #include <signal.h>
70 #endif
71 #ifdef __APPLE__
72 #include <get_compat.h>
73 #else
74 #define COMPAT_MODE(a,b) (1)
75 #endif /* __APPLE__ */
76 #include "ls.h"
77 #include "extern.h"
78
79 /*
80 * Upward approximation of the maximum number of characters needed to
81 * represent a value of integral type t as a string, excluding the
82 * NUL terminator, with provision for a sign.
83 */
84 #define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1)
85
86 static void display(FTSENT *, FTSENT *);
87 static u_quad_t makenines(u_quad_t);
88 static int mastercmp(const FTSENT **, const FTSENT **);
89 static void traverse(int, char **, int);
90
91 static void (*printfcn)(DISPLAY *);
92 static int (*sortfcn)(const FTSENT *, const FTSENT *);
93
94 long blocksize; /* block size units */
95 int termwidth = 80; /* default terminal width */
96
97 /* flags */
98 int f_accesstime; /* use time of last access */
99 int f_birthtime; /* use time of file birth */
100 int f_flags; /* show flags associated with a file */
101 int f_humanval; /* show human-readable file sizes */
102 int f_inode; /* print inode */
103 static int f_kblocks; /* print size in kilobytes */
104 static int f_listdir; /* list actual directory, not contents */
105 static int f_listdot; /* list files beginning with . */
106 int f_longform; /* long listing format */
107 int f_nonprint; /* show unprintables as ? */
108 static int f_nosort; /* don't sort output */
109 int f_notabs; /* don't use tab-separated multi-col output */
110 int f_numericonly; /* don't convert uid/gid to name */
111 int f_octal; /* show unprintables as \xxx */
112 int f_octal_escape; /* like f_octal but use C escapes if possible */
113 static int f_recursive; /* ls subdirectories also */
114 static int f_reversesort; /* reverse whatever sort is used */
115 int f_sectime; /* print the real time for all files */
116 static int f_singlecol; /* use single column output */
117 int f_size; /* list size in short listing */
118 int f_slash; /* similar to f_type, but only for dirs */
119 int f_sortacross; /* sort across rows, not down columns */
120 int f_statustime; /* use time of last mode change */
121 int f_stream; /* stream the output, separate with commas */
122 static int f_timesort; /* sort by time vice name */
123 static int f_sizesort; /* sort by size */
124 int f_type; /* add type character for non-regular files */
125 static int f_whiteout; /* show whiteout entries */
126 int f_acl; /* show ACLs in long listing */
127 int f_xattr; /* show extended attributes in long listing */
128 int f_group; /* show group */
129 int f_owner; /* show owner */
130 #ifdef COLORLS
131 int f_color; /* add type in color for non-regular files */
132
133 char *ansi_bgcol; /* ANSI sequence to set background colour */
134 char *ansi_fgcol; /* ANSI sequence to set foreground colour */
135 char *ansi_coloff; /* ANSI sequence to reset colours */
136 char *attrs_off; /* ANSI sequence to turn off attributes */
137 char *enter_bold; /* ANSI sequence to set color to bold mode */
138 #endif
139
140 static int rval;
141
142 int
143 main(int argc, char *argv[])
144 {
145 static char dot[] = ".", *dotav[] = {dot, NULL};
146 struct winsize win;
147 int ch, fts_options, notused;
148 char *p;
149 #ifdef COLORLS
150 char termcapbuf[1024]; /* termcap definition buffer */
151 char tcapbuf[512]; /* capability buffer */
152 char *bp = tcapbuf;
153 #endif
154
155 if (argc < 1)
156 usage();
157 (void)setlocale(LC_ALL, "");
158
159 /* Terminal defaults to -Cq, non-terminal defaults to -1. */
160 if (isatty(STDOUT_FILENO)) {
161 termwidth = 80;
162 if ((p = getenv("COLUMNS")) != NULL && *p != '\0')
163 termwidth = atoi(p);
164 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 &&
165 win.ws_col > 0)
166 termwidth = win.ws_col;
167 f_nonprint = 1;
168 } else {
169 f_singlecol = 1;
170 /* retrieve environment variable, in case of explicit -C */
171 p = getenv("COLUMNS");
172 if (p)
173 termwidth = atoi(p);
174 }
175
176 /* Root is -A automatically. */
177 if (!getuid())
178 f_listdot = 1;
179
180 fts_options = FTS_PHYSICAL;
181 while ((ch = getopt(argc, argv, "1@ABCFGHLOPRSTUWabcdefghiklmnopqrstuvwx"))
182 != -1) {
183 switch (ch) {
184 /*
185 * The -1, -C, -x and -l options all override each other so
186 * shell aliasing works right.
187 */
188 case '1':
189 f_singlecol = 1;
190 f_longform = 0;
191 f_stream = 0;
192 break;
193 case 'B':
194 f_nonprint = 0;
195 f_octal = 1;
196 f_octal_escape = 0;
197 break;
198 case 'C':
199 f_sortacross = f_longform = f_singlecol = 0;
200 break;
201 case 'l':
202 f_longform = 1;
203 f_singlecol = 0;
204 f_stream = 0;
205 break;
206 case 'x':
207 f_sortacross = 1;
208 f_longform = 0;
209 f_singlecol = 0;
210 break;
211 /* The -c and -u options override each other. */
212 case 'c':
213 f_statustime = 1;
214 f_accesstime = f_birthtime = 0;
215 break;
216 case 'u':
217 f_accesstime = 1;
218 f_statustime = f_birthtime = 0;
219 break;
220 case 'U':
221 f_birthtime = 1;
222 f_statustime = f_accesstime = 0;
223 break;
224 case 'F':
225 f_type = 1;
226 f_slash = 0;
227 break;
228 case 'H':
229 if (COMPAT_MODE("bin/ls", "Unix2003")) {
230 fts_options &= ~FTS_LOGICAL;
231 fts_options |= FTS_PHYSICAL;
232 fts_options |= FTS_COMFOLLOWDIR;
233 } else
234 fts_options |= FTS_COMFOLLOW;
235 break;
236 case 'G':
237 setenv("CLICOLOR", "", 1);
238 break;
239 case 'L':
240 fts_options &= ~FTS_PHYSICAL;
241 fts_options |= FTS_LOGICAL;
242 if (COMPAT_MODE("bin/ls", "Unix2003")) {
243 fts_options &= ~(FTS_COMFOLLOW|FTS_COMFOLLOWDIR);
244 }
245 break;
246 case 'P':
247 fts_options &= ~(FTS_COMFOLLOW|FTS_COMFOLLOWDIR);
248 fts_options &= ~FTS_LOGICAL;
249 fts_options |= FTS_PHYSICAL;
250 break;
251 case 'R':
252 f_recursive = 1;
253 break;
254 case 'a':
255 fts_options |= FTS_SEEDOT;
256 /* FALLTHROUGH */
257 case 'A':
258 f_listdot = 1;
259 break;
260 /* The -d option turns off the -R option. */
261 case 'd':
262 f_listdir = 1;
263 f_recursive = 0;
264 break;
265 case 'f':
266 f_nosort = 1;
267 if (COMPAT_MODE("bin/ls", "Unix2003")) {
268 fts_options |= FTS_SEEDOT;
269 f_listdot = 1;
270 }
271 break;
272 case 'g': /* Compatibility with Unix03 */
273 if (COMPAT_MODE("bin/ls", "Unix2003")) {
274 f_group = 1;
275 f_longform = 1;
276 f_singlecol = 0;
277 f_stream = 0;
278 }
279 break;
280 case 'h':
281 f_humanval = 1;
282 break;
283 case 'i':
284 f_inode = 1;
285 break;
286 case 'k':
287 f_kblocks = 1;
288 break;
289 case 'm':
290 f_stream = 1;
291 f_singlecol = 0;
292 f_longform = 0;
293 break;
294 case 'n':
295 f_numericonly = 1;
296 if (COMPAT_MODE("bin/ls", "Unix2003")) {
297 f_longform = 1;
298 f_singlecol = 0;
299 f_stream = 0;
300 }
301 break;
302 case 'o':
303 if (COMPAT_MODE("bin/ls", "Unix2003")) {
304 f_owner = 1;
305 f_longform = 1;
306 f_singlecol = 0;
307 f_stream = 0;
308 } else {
309 f_flags = 1;
310 }
311 break;
312 case 'p':
313 f_slash = 1;
314 f_type = 1;
315 break;
316 case 'q':
317 f_nonprint = 1;
318 f_octal = 0;
319 f_octal_escape = 0;
320 break;
321 case 'r':
322 f_reversesort = 1;
323 break;
324 case 'S':
325 /* Darwin 1.4.1 compatibility */
326 f_sizesort = 1;
327 break;
328 case 's':
329 f_size = 1;
330 break;
331 case 'T':
332 f_sectime = 1;
333 break;
334 case 't':
335 f_timesort = 1;
336 break;
337 case 'W':
338 f_whiteout = 1;
339 break;
340 case 'v':
341 /* Darwin 1.4.1 compatibility */
342 f_nonprint = 0;
343 break;
344 case 'b':
345 f_nonprint = 0;
346 f_octal = 0;
347 f_octal_escape = 1;
348 break;
349 case 'w':
350 f_nonprint = 0;
351 f_octal = 0;
352 f_octal_escape = 0;
353 break;
354 case 'e':
355 f_acl = 1;
356 break;
357 case '@':
358 f_xattr = 1;
359 break;
360 case 'O':
361 f_flags = 1;
362 break;
363 default:
364 case '?':
365 usage();
366 }
367 }
368 argc -= optind;
369 argv += optind;
370
371 /* Enabling of colours is conditional on the environment. */
372 if (getenv("CLICOLOR") &&
373 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE")))
374 #ifdef COLORLS
375 if (tgetent(termcapbuf, getenv("TERM")) == 1) {
376 ansi_fgcol = tgetstr("AF", &bp);
377 ansi_bgcol = tgetstr("AB", &bp);
378 attrs_off = tgetstr("me", &bp);
379 enter_bold = tgetstr("md", &bp);
380
381 /* To switch colours off use 'op' if
382 * available, otherwise use 'oc', or
383 * don't do colours at all. */
384 ansi_coloff = tgetstr("op", &bp);
385 if (!ansi_coloff)
386 ansi_coloff = tgetstr("oc", &bp);
387 if (ansi_fgcol && ansi_bgcol && ansi_coloff)
388 f_color = 1;
389 }
390 #else
391 (void)fprintf(stderr, "Color support not compiled in.\n");
392 #endif /*COLORLS*/
393
394 #ifdef COLORLS
395 if (f_color) {
396 /*
397 * We can't put tabs and color sequences together:
398 * column number will be incremented incorrectly
399 * for "stty oxtabs" mode.
400 */
401 f_notabs = 1;
402 (void)signal(SIGINT, colorquit);
403 (void)signal(SIGQUIT, colorquit);
404 parsecolors(getenv("LSCOLORS"));
405 }
406 #endif
407
408 /*
409 * If not -F, -i, -l, -s or -t options, don't require stat
410 * information, unless in color mode in which case we do
411 * need this to determine which colors to display.
412 */
413 if (!f_inode && !f_longform && !f_size && !f_timesort && !f_type && !f_sizesort
414 #ifdef COLORLS
415 && !f_color
416 #endif
417 )
418 fts_options |= FTS_NOSTAT;
419
420 /*
421 * If not -F, -d or -l options, follow any symbolic links listed on
422 * the command line.
423 */
424 if (!f_longform && !f_listdir && !f_type && !f_inode)
425 fts_options |= FTS_COMFOLLOW;
426
427 /*
428 * If -W, show whiteout entries
429 */
430 #ifdef FTS_WHITEOUT
431 if (f_whiteout)
432 fts_options |= FTS_WHITEOUT;
433 #endif
434
435 /* If -l or -s, figure out block size. */
436 if (f_longform || f_size) {
437 if (f_kblocks)
438 blocksize = 2;
439 else {
440 (void)getbsize(&notused, &blocksize);
441 blocksize /= 512;
442 }
443 }
444 /* Select a sort function. */
445 if (f_reversesort) {
446 if (f_sizesort)
447 sortfcn = revsizecmp;
448 else if (!f_timesort)
449 sortfcn = revnamecmp;
450 else if (f_accesstime)
451 sortfcn = revacccmp;
452 else if (f_statustime)
453 sortfcn = revstatcmp;
454 else if (f_birthtime)
455 sortfcn = revbirthcmp;
456 else /* Use modification time. */
457 sortfcn = revmodcmp;
458 } else {
459 if (f_sizesort)
460 sortfcn = sizecmp;
461 else if (!f_timesort)
462 sortfcn = namecmp;
463 else if (f_accesstime)
464 sortfcn = acccmp;
465 else if (f_statustime)
466 sortfcn = statcmp;
467 else if (f_birthtime)
468 sortfcn = birthcmp;
469 else /* Use modification time. */
470 sortfcn = modcmp;
471 }
472
473 /* Select a print function. */
474 if (f_singlecol)
475 printfcn = printscol;
476 else if (f_longform)
477 printfcn = printlong;
478 else if (f_stream)
479 printfcn = printstream;
480 else
481 printfcn = printcol;
482
483 if (argc)
484 traverse(argc, argv, fts_options);
485 else
486 traverse(1, dotav, fts_options);
487 exit(rval);
488 }
489
490 static int output; /* If anything output. */
491
492 /*
493 * Traverse() walks the logical directory structure specified by the argv list
494 * in the order specified by the mastercmp() comparison function. During the
495 * traversal it passes linked lists of structures to display() which represent
496 * a superset (may be exact set) of the files to be displayed.
497 */
498 static void
499 traverse(int argc, char *argv[], int options)
500 {
501 FTS *ftsp;
502 FTSENT *p, *chp;
503 int ch_options, error;
504
505 if ((ftsp =
506 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL)
507 err(1, "fts_open");
508
509 display(NULL, fts_children(ftsp, 0));
510 if (f_listdir) {
511 fts_close(ftsp);
512 return;
513 }
514
515 /*
516 * If not recursing down this tree and don't need stat info, just get
517 * the names.
518 */
519 ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0;
520
521 while ((p = fts_read(ftsp)) != NULL)
522 switch (p->fts_info) {
523 case FTS_DC:
524 warnx("%s: directory causes a cycle", p->fts_name);
525 if (COMPAT_MODE("bin/ls", "Unix2003")) {
526 rval = 1;
527 }
528 break;
529 case FTS_DNR:
530 case FTS_ERR:
531 warnx("%s: %s", p->fts_name, strerror(p->fts_errno));
532 rval = 1;
533 break;
534 case FTS_D:
535 if (p->fts_level != FTS_ROOTLEVEL &&
536 p->fts_name[0] == '.' && !f_listdot)
537 break;
538
539 /*
540 * If already output something, put out a newline as
541 * a separator. If multiple arguments, precede each
542 * directory with its name.
543 */
544 if (output)
545 (void)printf("\n%s:\n", p->fts_path);
546 else if (argc > 1) {
547 (void)printf("%s:\n", p->fts_path);
548 output = 1;
549 }
550 chp = fts_children(ftsp, ch_options);
551 if (COMPAT_MODE("bin/ls", "Unix2003") && ((options & FTS_LOGICAL)!=0)) {
552 FTSENT *curr;
553 for (curr = chp; curr; curr = curr->fts_link) {
554 if (curr->fts_info == FTS_SLNONE)
555 curr->fts_number = NO_PRINT;
556 }
557 }
558 display(p, chp);
559
560 if (!f_recursive && chp != NULL)
561 (void)fts_set(ftsp, p, FTS_SKIP);
562 break;
563 case FTS_SLNONE: /* Same as default unless Unix conformance */
564 if (COMPAT_MODE("bin/ls", "Unix2003")) {
565 if ((options & FTS_LOGICAL)!=0) { /* -L was specified */
566 warnx("%s: %s", p->fts_name, strerror(p->fts_errno ?: ENOENT));
567 rval = 1;
568 }
569 }
570 break;
571 default:
572 break;
573 }
574 error = errno;
575 fts_close(ftsp);
576 errno = error;
577
578 if (errno)
579 err(1, "fts_read");
580 }
581
582 /*
583 * Display() takes a linked list of FTSENT structures and passes the list
584 * along with any other necessary information to the print function. P
585 * points to the parent directory of the display list.
586 */
587 static void
588 display(FTSENT *p, FTSENT *list)
589 {
590 struct stat *sp;
591 DISPLAY d;
592 FTSENT *cur;
593 NAMES *np;
594 off_t maxsize;
595 u_int64_t btotal, maxblock;
596 u_long lattrlen, maxlen, maxnlink, maxlattr;
597 ino_t maxinode;
598 int bcfile, maxflags;
599 gid_t maxgroup;
600 uid_t maxuser;
601 size_t flen, ulen, glen;
602 char *initmax;
603 int entries, needstats;
604 const char *user, *group;
605 char *flags, *lattr = NULL;
606 char buf[STRBUF_SIZEOF(u_quad_t) + 1];
607 char ngroup[STRBUF_SIZEOF(uid_t) + 1];
608 char nuser[STRBUF_SIZEOF(gid_t) + 1];
609
610 /*
611 * If list is NULL there are two possibilities: that the parent
612 * directory p has no children, or that fts_children() returned an
613 * error. We ignore the error case since it will be replicated
614 * on the next call to fts_read() on the post-order visit to the
615 * directory p, and will be signaled in traverse().
616 */
617 if (list == NULL)
618 return;
619
620 needstats = f_inode || f_longform || f_size;
621 btotal = 0;
622 initmax = getenv("LS_COLWIDTHS");
623 /* Fields match -lios order. New ones should be added at the end. */
624 maxlattr = maxblock = maxinode = maxlen = maxnlink =
625 maxuser = maxgroup = maxflags = maxsize = 0;
626 if (initmax != NULL && *initmax != '\0') {
627 char *initmax2, *jinitmax;
628 int ninitmax;
629
630 /* Fill-in "::" as "0:0:0" for the sake of scanf. */
631 jinitmax = initmax2 = malloc(strlen(initmax) * 2 + 2);
632 if (jinitmax == NULL)
633 err(1, "malloc");
634 if (*initmax == ':')
635 strcpy(initmax2, "0:"), initmax2 += 2;
636 else
637 *initmax2++ = *initmax, *initmax2 = '\0';
638 for (initmax++; *initmax != '\0'; initmax++) {
639 if (initmax[-1] == ':' && initmax[0] == ':') {
640 *initmax2++ = '0';
641 *initmax2++ = initmax[0];
642 initmax2[1] = '\0';
643 } else {
644 *initmax2++ = initmax[0];
645 initmax2[1] = '\0';
646 }
647 }
648 if (initmax2[-1] == ':')
649 strcpy(initmax2, "0");
650
651 ninitmax = sscanf(jinitmax,
652 #if _DARWIN_FEATURE_64_BIT_INODE
653 " %llu : %qu : %lu : %i : %i : %i : %qu : %lu : %lu ",
654 #else
655 " %lu : %qu : %lu : %i : %i : %i : %qu : %lu : %lu ",
656 #endif
657 &maxinode, &maxblock, &maxnlink, &maxuser,
658 &maxgroup, &maxflags, &maxsize, &maxlen, &maxlattr);
659 f_notabs = 1;
660 switch (ninitmax) {
661 case 0:
662 maxinode = 0;
663 /* FALLTHROUGH */
664 case 1:
665 maxblock = 0;
666 /* FALLTHROUGH */
667 case 2:
668 maxnlink = 0;
669 /* FALLTHROUGH */
670 case 3:
671 maxuser = 0;
672 /* FALLTHROUGH */
673 case 4:
674 maxgroup = 0;
675 /* FALLTHROUGH */
676 case 5:
677 maxflags = 0;
678 /* FALLTHROUGH */
679 case 6:
680 maxsize = 0;
681 /* FALLTHROUGH */
682 case 7:
683 maxlen = 0;
684 /* FALLTHROUGH */
685 case 8:
686 maxlattr = 0;
687 /* FALLTHROUGH */
688 #ifdef COLORLS
689 if (!f_color)
690 #endif
691 f_notabs = 0;
692 /* FALLTHROUGH */
693 default:
694 break;
695 }
696 maxinode = makenines(maxinode);
697 maxblock = makenines(maxblock);
698 maxnlink = makenines(maxnlink);
699 maxsize = makenines(maxsize);
700 }
701 bcfile = 0;
702 flags = NULL;
703 for (cur = list, entries = 0; cur; cur = cur->fts_link) {
704 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) {
705 warnx("%s: %s",
706 cur->fts_name, strerror(cur->fts_errno));
707 cur->fts_number = NO_PRINT;
708 rval = 1;
709 continue;
710 }
711 /*
712 * P is NULL if list is the argv list, to which different rules
713 * apply.
714 */
715 if (p == NULL) {
716 /* Directories will be displayed later. */
717 if (cur->fts_info == FTS_D && !f_listdir) {
718 cur->fts_number = NO_PRINT;
719 continue;
720 }
721 } else {
722 /* Only display dot file if -a/-A set. */
723 if (cur->fts_name[0] == '.' && !f_listdot) {
724 cur->fts_number = NO_PRINT;
725 continue;
726 }
727 }
728 if (cur->fts_namelen > maxlen)
729 maxlen = cur->fts_namelen;
730 if (f_octal || f_octal_escape) {
731 u_long t = len_octal(cur->fts_name, cur->fts_namelen);
732
733 if (t > maxlen)
734 maxlen = t;
735 }
736 if (needstats) {
737 sp = cur->fts_statp;
738 if (sp->st_blocks > maxblock)
739 maxblock = sp->st_blocks;
740 if (sp->st_ino > maxinode)
741 maxinode = sp->st_ino;
742 if (sp->st_nlink > maxnlink)
743 maxnlink = sp->st_nlink;
744 if (sp->st_size > maxsize)
745 maxsize = sp->st_size;
746
747 btotal += sp->st_blocks;
748 if (f_longform) {
749 if (f_numericonly) {
750 (void)snprintf(nuser, sizeof(nuser),
751 "%u", sp->st_uid);
752 (void)snprintf(ngroup, sizeof(ngroup),
753 "%u", sp->st_gid);
754 user = nuser;
755 group = ngroup;
756 } else {
757 user = user_from_uid(sp->st_uid, 0);
758 group = group_from_gid(sp->st_gid, 0);
759 }
760 if ((ulen = strlen(user)) > maxuser)
761 maxuser = ulen;
762 if ((glen = strlen(group)) > maxgroup)
763 maxgroup = glen;
764 if (f_flags) {
765 flags = fflagstostr(sp->st_flags);
766 if (flags != NULL && *flags == '\0') {
767 free(flags);
768 flags = strdup("-");
769 }
770 if (flags == NULL)
771 err(1, "fflagstostr");
772 flen = strlen(flags);
773 if (flen > (size_t)maxflags)
774 maxflags = flen;
775 } else
776 flen = 0;
777 lattr = NULL;
778 lattrlen = 0;
779
780 if ((np = malloc(sizeof(NAMES) + lattrlen +
781 ulen + glen + flen + 4)) == NULL)
782 err(1, "malloc");
783
784 np->user = &np->data[0];
785 (void)strcpy(np->user, user);
786 np->group = &np->data[ulen + 1];
787 (void)strcpy(np->group, group);
788
789 if (S_ISCHR(sp->st_mode) ||
790 S_ISBLK(sp->st_mode))
791 bcfile = 1;
792
793 if (f_flags) {
794 np->flags = &np->data[ulen + glen + 2];
795 (void)strcpy(np->flags, flags);
796 free(flags);
797 }
798 cur->fts_pointer = np;
799 }
800 }
801 ++entries;
802 }
803
804 if (!entries)
805 return;
806
807 d.list = list;
808 d.entries = entries;
809 d.maxlen = maxlen;
810 if (needstats) {
811 d.bcfile = bcfile;
812 d.btotal = btotal;
813 (void)snprintf(buf, sizeof(buf), "%qu", (u_int64_t)maxblock);
814 d.s_block = strlen(buf);
815 d.s_flags = maxflags;
816 d.s_lattr = maxlattr;
817 d.s_group = maxgroup;
818 #if _DARWIN_FEATURE_64_BIT_INODE
819 (void)snprintf(buf, sizeof(buf), "%llu", maxinode);
820 #else
821 (void)snprintf(buf, sizeof(buf), "%lu", maxinode);
822 #endif
823 d.s_inode = strlen(buf);
824 (void)snprintf(buf, sizeof(buf), "%lu", maxnlink);
825 d.s_nlink = strlen(buf);
826 (void)snprintf(buf, sizeof(buf), "%qu", (u_int64_t)maxsize);
827 d.s_size = strlen(buf);
828 d.s_user = maxuser;
829 }
830 printfcn(&d);
831 output = 1;
832
833 if (f_longform)
834 for (cur = list; cur; cur = cur->fts_link)
835 free(cur->fts_pointer);
836 }
837
838 /*
839 * Ordering for mastercmp:
840 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories
841 * as larger than directories. Within either group, use the sort function.
842 * All other levels use the sort function. Error entries remain unsorted.
843 */
844 static int
845 mastercmp(const FTSENT **a, const FTSENT **b)
846 {
847 int a_info, b_info;
848
849 a_info = (*a)->fts_info;
850 if (a_info == FTS_ERR)
851 return (0);
852 b_info = (*b)->fts_info;
853 if (b_info == FTS_ERR)
854 return (0);
855
856 if (a_info == FTS_NS || b_info == FTS_NS)
857 return (namecmp(*a, *b));
858
859 if (a_info != b_info &&
860 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) {
861 if (a_info == FTS_D)
862 return (1);
863 if (b_info == FTS_D)
864 return (-1);
865 }
866 return (sortfcn(*a, *b));
867 }
868
869 /*
870 * Makenines() returns (10**n)-1. This is useful for converting a width
871 * into a number that wide in decimal.
872 */
873 static u_quad_t
874 makenines(u_quad_t n)
875 {
876 u_long i;
877 u_quad_t reg;
878
879 reg = 1;
880 /* Use a loop instead of pow(), since all values of n are small. */
881 for (i = 0; i < n; i++)
882 reg *= 10;
883 reg--;
884
885 return reg;
886 }
mirror of file_cmds