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 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #ifndef lint
34 static const char copyright[] =
35 "@(#) Copyright (c) 1989, 1993, 1994\n\
36 The Regents of the University of California. All rights reserved.\n";
37 #endif /* not lint */
38
39 #if 0
40 #ifndef lint
41 static char sccsid[] = "@(#)ls.c 8.5 (Berkeley) 4/2/94";
42 #endif /* not lint */
43 #endif
44 #include <sys/cdefs.h>
45 __FBSDID("$FreeBSD$");
46
47 #include <sys/param.h>
48 #include <sys/stat.h>
49 #include <sys/ioctl.h>
50 #include <sys/mac.h>
51
52 #include <dirent.h>
53 #include <err.h>
54 #include <errno.h>
55 #include <fts.h>
56 #include <grp.h>
57 #include <inttypes.h>
58 #include <limits.h>
59 #include <locale.h>
60 #include <pwd.h>
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include <unistd.h>
65 #ifdef COLORLS
66 #include <termcap.h>
67 #include <signal.h>
68 #endif
69 #include <libxo/xo.h>
70
71 #include "ls.h"
72 #include "extern.h"
73
74 /*
75 * Upward approximation of the maximum number of characters needed to
76 * represent a value of integral type t as a string, excluding the
77 * NUL terminator, with provision for a sign.
78 */
79 #define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1)
80
81 /*
82 * MAKENINES(n) turns n into (10**n)-1. This is useful for converting a width
83 * into a number that wide in decimal.
84 * XXX: Overflows are not considered.
85 */
86 #define MAKENINES(n) \
87 do { \
88 intmax_t i; \
89 \
90 /* Use a loop as all values of n are small. */ \
91 for (i = 1; n > 0; i *= 10) \
92 n--; \
93 n = i - 1; \
94 } while(0)
95
96 static void display(const FTSENT *, FTSENT *, int);
97 static int mastercmp(const FTSENT * const *, const FTSENT * const *);
98 static void traverse(int, char **, int);
99
100 static void (*printfcn)(const DISPLAY *);
101 static int (*sortfcn)(const FTSENT *, const FTSENT *);
102
103 long blocksize; /* block size units */
104 int termwidth = 80; /* default terminal width */
105
106 /* flags */
107 int f_accesstime; /* use time of last access */
108 int f_birthtime; /* use time of birth */
109 int f_flags; /* show flags associated with a file */
110 int f_humanval; /* show human-readable file sizes */
111 int f_inode; /* print inode */
112 static int f_kblocks; /* print size in kilobytes */
113 int f_label; /* show MAC label */
114 static int f_listdir; /* list actual directory, not contents */
115 static int f_listdot; /* list files beginning with . */
116 int f_longform; /* long listing format */
117 static int f_noautodot; /* do not automatically enable -A for root */
118 static int f_nofollow; /* don't follow symbolic link arguments */
119 int f_nonprint; /* show unprintables as ? */
120 static int f_nosort; /* don't sort output */
121 int f_notabs; /* don't use tab-separated multi-col output */
122 int f_numericonly; /* don't convert uid/gid to name */
123 int f_octal; /* show unprintables as \xxx */
124 int f_octal_escape; /* like f_octal but use C escapes if possible */
125 static int f_recursive; /* ls subdirectories also */
126 static int f_reversesort; /* reverse whatever sort is used */
127 int f_samesort; /* sort time and name in same direction */
128 int f_sectime; /* print full time information */
129 static int f_singlecol; /* use single column output */
130 int f_size; /* list size in short listing */
131 static int f_sizesort;
132 int f_slash; /* similar to f_type, but only for dirs */
133 int f_sortacross; /* sort across rows, not down columns */
134 int f_statustime; /* use time of last mode change */
135 static int f_stream; /* stream the output, separate with commas */
136 int f_thousands; /* show file sizes with thousands separators */
137 char *f_timeformat; /* user-specified time format */
138 static int f_timesort; /* sort by time vice name */
139 int f_type; /* add type character for non-regular files */
140 static int f_whiteout; /* show whiteout entries */
141
142 #ifdef COLORLS
143 int f_color; /* add type in color for non-regular files */
144
145 char *ansi_bgcol; /* ANSI sequence to set background colour */
146 char *ansi_fgcol; /* ANSI sequence to set foreground colour */
147 char *ansi_coloff; /* ANSI sequence to reset colours */
148 char *attrs_off; /* ANSI sequence to turn off attributes */
149 char *enter_bold; /* ANSI sequence to set color to bold mode */
150 #endif
151
152 static int rval;
153
154 int
main(int argc,char * argv[])155 main(int argc, char *argv[])
156 {
157 static char dot[] = ".", *dotav[] = {dot, NULL};
158 struct winsize win;
159 int ch, fts_options, notused;
160 char *p;
161 const char *errstr = NULL;
162 #ifdef COLORLS
163 char termcapbuf[1024]; /* termcap definition buffer */
164 char tcapbuf[512]; /* capability buffer */
165 char *bp = tcapbuf;
166 #endif
167
168 (void)setlocale(LC_ALL, "");
169
170 /* Terminal defaults to -Cq, non-terminal defaults to -1. */
171 if (isatty(STDOUT_FILENO)) {
172 termwidth = 80;
173 if ((p = getenv("COLUMNS")) != NULL && *p != '\0')
174 termwidth = strtonum(p, 0, INT_MAX, &errstr);
175 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 &&
176 win.ws_col > 0)
177 termwidth = win.ws_col;
178 f_nonprint = 1;
179 } else {
180 f_singlecol = 1;
181 /* retrieve environment variable, in case of explicit -C */
182 p = getenv("COLUMNS");
183 if (p)
184 termwidth = strtonum(p, 0, INT_MAX, &errstr);
185 }
186
187 if (errstr)
188 termwidth = 80;
189
190 fts_options = FTS_PHYSICAL;
191 if (getenv("LS_SAMESORT"))
192 f_samesort = 1;
193
194 argc = xo_parse_args(argc, argv);
195 if (argc < 0)
196 return (1);
197 xo_set_flags(NULL, XOF_COLUMNS);
198 xo_set_version(LS_XO_VERSION);
199
200 while ((ch = getopt(argc, argv,
201 "1ABCD:FGHILPRSTUWXZabcdfghiklmnopqrstuwxy,")) != -1) {
202 switch (ch) {
203 /*
204 * The -1, -C, -x and -l options all override each other so
205 * shell aliasing works right.
206 */
207 case '1':
208 f_singlecol = 1;
209 f_longform = 0;
210 f_stream = 0;
211 break;
212 case 'C':
213 f_sortacross = f_longform = f_singlecol = 0;
214 break;
215 case 'l':
216 f_longform = 1;
217 f_singlecol = 0;
218 f_stream = 0;
219 break;
220 case 'x':
221 f_sortacross = 1;
222 f_longform = 0;
223 f_singlecol = 0;
224 break;
225 /* The -c, -u, and -U options override each other. */
226 case 'c':
227 f_statustime = 1;
228 f_accesstime = 0;
229 f_birthtime = 0;
230 break;
231 case 'u':
232 f_accesstime = 1;
233 f_statustime = 0;
234 f_birthtime = 0;
235 break;
236 case 'U':
237 f_birthtime = 1;
238 f_accesstime = 0;
239 f_statustime = 0;
240 break;
241 case 'f':
242 f_nosort = 1;
243 /* FALLTHROUGH */
244 case 'a':
245 fts_options |= FTS_SEEDOT;
246 /* FALLTHROUGH */
247 case 'A':
248 f_listdot = 1;
249 break;
250 /* The -t and -S options override each other. */
251 case 'S':
252 f_sizesort = 1;
253 f_timesort = 0;
254 break;
255 case 't':
256 f_timesort = 1;
257 f_sizesort = 0;
258 break;
259 /* Other flags. Please keep alphabetic. */
260 case ',':
261 f_thousands = 1;
262 break;
263 case 'B':
264 f_nonprint = 0;
265 f_octal = 1;
266 f_octal_escape = 0;
267 break;
268 case 'D':
269 f_timeformat = optarg;
270 break;
271 case 'F':
272 f_type = 1;
273 f_slash = 0;
274 break;
275 case 'G':
276 setenv("CLICOLOR", "", 1);
277 break;
278 case 'H':
279 fts_options |= FTS_COMFOLLOW;
280 f_nofollow = 0;
281 break;
282 case 'I':
283 f_noautodot = 1;
284 break;
285 case 'L':
286 fts_options &= ~FTS_PHYSICAL;
287 fts_options |= FTS_LOGICAL;
288 f_nofollow = 0;
289 break;
290 case 'P':
291 fts_options &= ~FTS_COMFOLLOW;
292 fts_options &= ~FTS_LOGICAL;
293 fts_options |= FTS_PHYSICAL;
294 f_nofollow = 1;
295 break;
296 case 'R':
297 f_recursive = 1;
298 break;
299 case 'T':
300 f_sectime = 1;
301 break;
302 case 'W':
303 f_whiteout = 1;
304 break;
305 case 'Z':
306 f_label = 1;
307 break;
308 case 'b':
309 f_nonprint = 0;
310 f_octal = 0;
311 f_octal_escape = 1;
312 break;
313 /* The -d option turns off the -R option. */
314 case 'd':
315 f_listdir = 1;
316 f_recursive = 0;
317 break;
318 case 'g': /* Compatibility with 4.3BSD. */
319 break;
320 case 'h':
321 f_humanval = 1;
322 break;
323 case 'i':
324 f_inode = 1;
325 break;
326 case 'k':
327 f_humanval = 0;
328 f_kblocks = 1;
329 break;
330 case 'm':
331 f_stream = 1;
332 f_singlecol = 0;
333 f_longform = 0;
334 break;
335 case 'n':
336 f_numericonly = 1;
337 break;
338 case 'o':
339 f_flags = 1;
340 break;
341 case 'p':
342 f_slash = 1;
343 f_type = 1;
344 break;
345 case 'q':
346 f_nonprint = 1;
347 f_octal = 0;
348 f_octal_escape = 0;
349 break;
350 case 'r':
351 f_reversesort = 1;
352 break;
353 case 's':
354 f_size = 1;
355 break;
356 case 'w':
357 f_nonprint = 0;
358 f_octal = 0;
359 f_octal_escape = 0;
360 break;
361 case 'y':
362 f_samesort = 1;
363 break;
364 default:
365 case '?':
366 usage();
367 }
368 }
369 argc -= optind;
370 argv += optind;
371
372 /* Root is -A automatically unless -I. */
373 if (!f_listdot && getuid() == (uid_t)0 && !f_noautodot)
374 f_listdot = 1;
375
376 /* Enabling of colours is conditional on the environment. */
377 if (getenv("CLICOLOR") &&
378 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE")))
379 #ifdef COLORLS
380 if (tgetent(termcapbuf, getenv("TERM")) == 1) {
381 ansi_fgcol = tgetstr("AF", &bp);
382 ansi_bgcol = tgetstr("AB", &bp);
383 attrs_off = tgetstr("me", &bp);
384 enter_bold = tgetstr("md", &bp);
385
386 /* To switch colours off use 'op' if
387 * available, otherwise use 'oc', or
388 * don't do colours at all. */
389 ansi_coloff = tgetstr("op", &bp);
390 if (!ansi_coloff)
391 ansi_coloff = tgetstr("oc", &bp);
392 if (ansi_fgcol && ansi_bgcol && ansi_coloff)
393 f_color = 1;
394 }
395 #else
396 xo_warnx("color support not compiled in");
397 #endif /*COLORLS*/
398
399 #ifdef COLORLS
400 if (f_color) {
401 /*
402 * We can't put tabs and color sequences together:
403 * column number will be incremented incorrectly
404 * for "stty oxtabs" mode.
405 */
406 f_notabs = 1;
407 (void)signal(SIGINT, colorquit);
408 (void)signal(SIGQUIT, colorquit);
409 parsecolors(getenv("LSCOLORS"));
410 }
411 #endif
412
413 /*
414 * If not -F, -i, -l, -s, -S or -t options, don't require stat
415 * information, unless in color mode in which case we do
416 * need this to determine which colors to display.
417 */
418 if (!f_inode && !f_longform && !f_size && !f_timesort &&
419 !f_sizesort && !f_type
420 #ifdef COLORLS
421 && !f_color
422 #endif
423 )
424 fts_options |= FTS_NOSTAT;
425
426 /*
427 * If not -F, -P, -d or -l options, follow any symbolic links listed on
428 * the command line, unless in color mode in which case we need to
429 * distinguish file type for a symbolic link itself and its target.
430 */
431 if (!f_nofollow && !f_longform && !f_listdir && (!f_type || f_slash)
432 #ifdef COLORLS
433 && !f_color
434 #endif
435 )
436 fts_options |= FTS_COMFOLLOW;
437
438 /*
439 * If -W, show whiteout entries
440 */
441 #ifdef FTS_WHITEOUT
442 if (f_whiteout)
443 fts_options |= FTS_WHITEOUT;
444 #endif
445
446 /* If -i, -l or -s, figure out block size. */
447 if (f_inode || f_longform || f_size) {
448 if (f_kblocks)
449 blocksize = 2;
450 else {
451 (void)getbsize(¬used, &blocksize);
452 blocksize /= 512;
453 }
454 }
455 /* Select a sort function. */
456 if (f_reversesort) {
457 if (!f_timesort && !f_sizesort)
458 sortfcn = revnamecmp;
459 else if (f_sizesort)
460 sortfcn = revsizecmp;
461 else if (f_accesstime)
462 sortfcn = revacccmp;
463 else if (f_birthtime)
464 sortfcn = revbirthcmp;
465 else if (f_statustime)
466 sortfcn = revstatcmp;
467 else /* Use modification time. */
468 sortfcn = revmodcmp;
469 } else {
470 if (!f_timesort && !f_sizesort)
471 sortfcn = namecmp;
472 else if (f_sizesort)
473 sortfcn = sizecmp;
474 else if (f_accesstime)
475 sortfcn = acccmp;
476 else if (f_birthtime)
477 sortfcn = birthcmp;
478 else if (f_statustime)
479 sortfcn = statcmp;
480 else /* Use modification time. */
481 sortfcn = modcmp;
482 }
483
484 /* Select a print function. */
485 if (f_singlecol)
486 printfcn = printscol;
487 else if (f_longform)
488 printfcn = printlong;
489 else if (f_stream)
490 printfcn = printstream;
491 else
492 printfcn = printcol;
493
494 xo_open_container("file-information");
495 if (argc)
496 traverse(argc, argv, fts_options);
497 else
498 traverse(1, dotav, fts_options);
499 xo_close_container("file-information");
500 xo_finish();
501 exit(rval);
502 }
503
504 static int output; /* If anything output. */
505
506 /*
507 * Traverse() walks the logical directory structure specified by the argv list
508 * in the order specified by the mastercmp() comparison function. During the
509 * traversal it passes linked lists of structures to display() which represent
510 * a superset (may be exact set) of the files to be displayed.
511 */
512 static void
traverse(int argc,char * argv[],int options)513 traverse(int argc, char *argv[], int options)
514 {
515 FTS *ftsp;
516 FTSENT *p, *chp;
517 int ch_options;
518 int first = 1;
519
520 if ((ftsp =
521 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL)
522 xo_err(1, "fts_open");
523
524 /*
525 * We ignore errors from fts_children here since they will be
526 * replicated and signalled on the next call to fts_read() below.
527 */
528 chp = fts_children(ftsp, 0);
529 if (chp != NULL)
530 display(NULL, chp, options);
531 if (f_listdir)
532 return;
533
534 /*
535 * If not recursing down this tree and don't need stat info, just get
536 * the names.
537 */
538 ch_options = !f_recursive && !f_label &&
539 options & FTS_NOSTAT ? FTS_NAMEONLY : 0;
540
541 while ((p = fts_read(ftsp)) != NULL)
542 switch (p->fts_info) {
543 case FTS_DC:
544 xo_warnx("%s: directory causes a cycle", p->fts_name);
545 break;
546 case FTS_DNR:
547 case FTS_ERR:
548 xo_warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
549 rval = 1;
550 break;
551 case FTS_D:
552 if (p->fts_level != FTS_ROOTLEVEL &&
553 p->fts_name[0] == '.' && !f_listdot)
554 break;
555
556 if (first) {
557 first = 0;
558 xo_open_list("directory");
559 }
560 xo_open_instance("directory");
561
562 /*
563 * If already output something, put out a newline as
564 * a separator. If multiple arguments, precede each
565 * directory with its name.
566 */
567 if (output) {
568 xo_emit("\n");
569 (void)printname("path", p->fts_path);
570 xo_emit(":\n");
571 } else if (argc > 1) {
572 (void)printname("path", p->fts_path);
573 xo_emit(":\n");
574 output = 1;
575 }
576 chp = fts_children(ftsp, ch_options);
577 display(p, chp, options);
578
579 xo_close_instance("directory");
580 if (!f_recursive && chp != NULL)
581 (void)fts_set(ftsp, p, FTS_SKIP);
582 break;
583 default:
584 break;
585 }
586 if (!first)
587 xo_close_list("directory");
588 if (errno)
589 xo_err(1, "fts_read");
590 }
591
592 /*
593 * Display() takes a linked list of FTSENT structures and passes the list
594 * along with any other necessary information to the print function. P
595 * points to the parent directory of the display list.
596 */
597 static void
display(const FTSENT * p,FTSENT * list,int options)598 display(const FTSENT *p, FTSENT *list, int options)
599 {
600 struct stat *sp;
601 DISPLAY d;
602 FTSENT *cur;
603 NAMES *np;
604 off_t maxsize;
605 long maxblock;
606 uintmax_t maxinode;
607 u_long btotal, labelstrlen, maxlen, maxnlink;
608 u_long maxlabelstr;
609 u_int sizelen;
610 int maxflags;
611 gid_t maxgroup;
612 uid_t maxuser;
613 size_t flen, ulen, glen;
614 char *initmax;
615 int entries, needstats;
616 const char *user, *group;
617 char *flags, *labelstr = NULL;
618 char ngroup[STRBUF_SIZEOF(uid_t) + 1];
619 char nuser[STRBUF_SIZEOF(gid_t) + 1];
620
621 needstats = f_inode || f_longform || f_size;
622 flen = 0;
623 btotal = 0;
624 initmax = getenv("LS_COLWIDTHS");
625 /* Fields match -lios order. New ones should be added at the end. */
626 maxlabelstr = maxblock = maxlen = maxnlink = 0;
627 maxuser = maxgroup = maxflags = maxsize = 0;
628 maxinode = 0;
629 if (initmax != NULL && *initmax != '\0') {
630 char *initmax2, *jinitmax;
631 int ninitmax;
632
633 /* Fill-in "::" as "0:0:0" for the sake of scanf. */
634 jinitmax = malloc(strlen(initmax) * 2 + 2);
635 if (jinitmax == NULL)
636 xo_err(1, "malloc");
637 initmax2 = jinitmax;
638 if (*initmax == ':')
639 strcpy(initmax2, "0:"), initmax2 += 2;
640 else
641 *initmax2++ = *initmax, *initmax2 = '\0';
642 for (initmax++; *initmax != '\0'; initmax++) {
643 if (initmax[-1] == ':' && initmax[0] == ':') {
644 *initmax2++ = '0';
645 *initmax2++ = initmax[0];
646 initmax2[1] = '\0';
647 } else {
648 *initmax2++ = initmax[0];
649 initmax2[1] = '\0';
650 }
651 }
652 if (initmax2[-1] == ':')
653 strcpy(initmax2, "0");
654
655 ninitmax = sscanf(jinitmax,
656 " %ju : %ld : %lu : %u : %u : %i : %jd : %lu : %lu ",
657 &maxinode, &maxblock, &maxnlink, &maxuser,
658 &maxgroup, &maxflags, &maxsize, &maxlen, &maxlabelstr);
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 maxlabelstr = 0;
687 /* FALLTHROUGH */
688 #ifdef COLORLS
689 if (!f_color)
690 #endif
691 f_notabs = 0;
692 /* FALLTHROUGH */
693 default:
694 break;
695 }
696 MAKENINES(maxinode);
697 MAKENINES(maxblock);
698 MAKENINES(maxnlink);
699 MAKENINES(maxsize);
700 free(jinitmax);
701 }
702 d.s_size = 0;
703 sizelen = 0;
704 flags = NULL;
705 for (cur = list, entries = 0; cur; cur = cur->fts_link) {
706 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) {
707 xo_warnx("%s: %s",
708 cur->fts_name, strerror(cur->fts_errno));
709 cur->fts_number = NO_PRINT;
710 rval = 1;
711 continue;
712 }
713 /*
714 * P is NULL if list is the argv list, to which different rules
715 * apply.
716 */
717 if (p == NULL) {
718 /* Directories will be displayed later. */
719 if (cur->fts_info == FTS_D && !f_listdir) {
720 cur->fts_number = NO_PRINT;
721 continue;
722 }
723 } else {
724 /* Only display dot file if -a/-A set. */
725 if (cur->fts_name[0] == '.' && !f_listdot) {
726 cur->fts_number = NO_PRINT;
727 continue;
728 }
729 }
730 if (cur->fts_namelen > maxlen)
731 maxlen = cur->fts_namelen;
732 if (f_octal || f_octal_escape) {
733 u_long t = len_octal(cur->fts_name, cur->fts_namelen);
734
735 if (t > maxlen)
736 maxlen = t;
737 }
738 if (needstats) {
739 sp = cur->fts_statp;
740 if (sp->st_blocks > maxblock)
741 maxblock = sp->st_blocks;
742 if (sp->st_ino > maxinode)
743 maxinode = sp->st_ino;
744 if (sp->st_nlink > maxnlink)
745 maxnlink = sp->st_nlink;
746 if (sp->st_size > maxsize)
747 maxsize = sp->st_size;
748
749 btotal += sp->st_blocks;
750 if (f_longform) {
751 if (f_numericonly) {
752 (void)snprintf(nuser, sizeof(nuser),
753 "%u", sp->st_uid);
754 (void)snprintf(ngroup, sizeof(ngroup),
755 "%u", sp->st_gid);
756 user = nuser;
757 group = ngroup;
758 } else {
759 user = user_from_uid(sp->st_uid, 0);
760 group = group_from_gid(sp->st_gid, 0);
761 }
762 if ((ulen = strlen(user)) > maxuser)
763 maxuser = ulen;
764 if ((glen = strlen(group)) > maxgroup)
765 maxgroup = glen;
766 if (f_flags) {
767 flags = fflagstostr(sp->st_flags);
768 if (flags != NULL && *flags == '\0') {
769 free(flags);
770 flags = strdup("-");
771 }
772 if (flags == NULL)
773 xo_err(1, "fflagstostr");
774 flen = strlen(flags);
775 if (flen > (size_t)maxflags)
776 maxflags = flen;
777 } else
778 flen = 0;
779 labelstr = NULL;
780 if (f_label) {
781 char name[PATH_MAX + 1];
782 mac_t label;
783 int error;
784
785 error = mac_prepare_file_label(&label);
786 if (error == -1) {
787 xo_warn("MAC label for %s/%s",
788 cur->fts_parent->fts_path,
789 cur->fts_name);
790 goto label_out;
791 }
792
793 if (cur->fts_level == FTS_ROOTLEVEL)
794 snprintf(name, sizeof(name),
795 "%s", cur->fts_name);
796 else
797 snprintf(name, sizeof(name),
798 "%s/%s", cur->fts_parent->
799 fts_accpath, cur->fts_name);
800
801 if (options & FTS_LOGICAL)
802 error = mac_get_file(name,
803 label);
804 else
805 error = mac_get_link(name,
806 label);
807 if (error == -1) {
808 xo_warn("MAC label for %s/%s",
809 cur->fts_parent->fts_path,
810 cur->fts_name);
811 mac_free(label);
812 goto label_out;
813 }
814
815 error = mac_to_text(label,
816 &labelstr);
817 if (error == -1) {
818 xo_warn("MAC label for %s/%s",
819 cur->fts_parent->fts_path,
820 cur->fts_name);
821 mac_free(label);
822 goto label_out;
823 }
824 mac_free(label);
825 label_out:
826 if (labelstr == NULL)
827 labelstr = strdup("-");
828 labelstrlen = strlen(labelstr);
829 if (labelstrlen > maxlabelstr)
830 maxlabelstr = labelstrlen;
831 } else
832 labelstrlen = 0;
833
834 if ((np = malloc(sizeof(NAMES) + labelstrlen +
835 ulen + glen + flen + 4)) == NULL)
836 xo_err(1, "malloc");
837
838 np->user = &np->data[0];
839 (void)strcpy(np->user, user);
840 np->group = &np->data[ulen + 1];
841 (void)strcpy(np->group, group);
842
843 if (S_ISCHR(sp->st_mode) ||
844 S_ISBLK(sp->st_mode)) {
845 sizelen = snprintf(NULL, 0,
846 "%#jx", (uintmax_t)sp->st_rdev);
847 if (d.s_size < sizelen)
848 d.s_size = sizelen;
849 }
850
851 if (f_flags) {
852 np->flags = &np->data[ulen + glen + 2];
853 (void)strcpy(np->flags, flags);
854 free(flags);
855 }
856 if (f_label) {
857 np->label = &np->data[ulen + glen + 2
858 + (f_flags ? flen + 1 : 0)];
859 (void)strcpy(np->label, labelstr);
860 free(labelstr);
861 }
862 cur->fts_pointer = np;
863 }
864 }
865 ++entries;
866 }
867
868 /*
869 * If there are no entries to display, we normally stop right
870 * here. However, we must continue if we have to display the
871 * total block count. In this case, we display the total only
872 * on the second (p != NULL) pass.
873 */
874 if (!entries && (!(f_longform || f_size) || p == NULL))
875 return;
876
877 d.list = list;
878 d.entries = entries;
879 d.maxlen = maxlen;
880 if (needstats) {
881 d.btotal = btotal;
882 d.s_block = snprintf(NULL, 0, "%lu", howmany(maxblock, blocksize));
883 d.s_flags = maxflags;
884 d.s_label = maxlabelstr;
885 d.s_group = maxgroup;
886 d.s_inode = snprintf(NULL, 0, "%ju", maxinode);
887 d.s_nlink = snprintf(NULL, 0, "%lu", maxnlink);
888 sizelen = f_humanval ? HUMANVALSTR_LEN :
889 snprintf(NULL, 0, "%ju", maxsize);
890 if (d.s_size < sizelen)
891 d.s_size = sizelen;
892 d.s_user = maxuser;
893 }
894 if (f_thousands) /* make space for commas */
895 d.s_size += (d.s_size - 1) / 3;
896 printfcn(&d);
897 output = 1;
898
899 if (f_longform)
900 for (cur = list; cur; cur = cur->fts_link)
901 free(cur->fts_pointer);
902 }
903
904 /*
905 * Ordering for mastercmp:
906 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories
907 * as larger than directories. Within either group, use the sort function.
908 * All other levels use the sort function. Error entries remain unsorted.
909 */
910 static int
mastercmp(const FTSENT * const * a,const FTSENT * const * b)911 mastercmp(const FTSENT * const *a, const FTSENT * const *b)
912 {
913 int a_info, b_info;
914
915 a_info = (*a)->fts_info;
916 if (a_info == FTS_ERR)
917 return (0);
918 b_info = (*b)->fts_info;
919 if (b_info == FTS_ERR)
920 return (0);
921
922 if (a_info == FTS_NS || b_info == FTS_NS)
923 return (namecmp(*a, *b));
924
925 if (a_info != b_info &&
926 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) {
927 if (a_info == FTS_D)
928 return (1);
929 if (b_info == FTS_D)
930 return (-1);
931 }
932 return (sortfcn(*a, *b));
933 }
934