Sync fts(3) with FreeBSD.
[dragonfly.git] / bin / ls / ls.c
blob3bde884b18230c3ce32a748d9c9577b9ba152169
1 /*
2 * Copyright (c) 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Michael Fischbein.
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.
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.
32 * @(#) Copyright (c) 1989, 1993, 1994 The Regents of the University of California. All rights reserved.
33 * @(#)ls.c 8.5 (Berkeley) 4/2/94
34 * $FreeBSD: src/bin/ls/ls.c,v 1.78 2004/06/08 09:30:10 das Exp $
35 * $DragonFly: src/bin/ls/ls.c,v 1.17 2008/01/19 15:33:42 matthias Exp $
38 #include <sys/types.h>
39 #include <sys/stat.h>
40 #include <sys/ioctl.h>
42 #include <dirent.h>
43 #include <err.h>
44 #include <errno.h>
45 #include <fts.h>
46 #include <grp.h>
47 #include <inttypes.h>
48 #include <limits.h>
49 #include <locale.h>
50 #include <pwd.h>
51 #include <stdio.h>
52 #include <stdlib.h>
53 #include <string.h>
54 #include <unistd.h>
55 #ifdef COLORLS
56 #include <termcap.h>
57 #include <signal.h>
58 #endif
60 #include "ls.h"
61 #include "extern.h"
64 * Upward approximation of the maximum number of characters needed to
65 * represent a value of integral type t as a string, excluding the
66 * NUL terminator, with provision for a sign.
68 #define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1)
71 * MAKENINES(n) turns n into (10**n)-1. This is useful for converting a width
72 * into a number that wide in decimal.
73 * XXX: Overflows are not considered.
75 #define MAKENINES(n) \
76 do { \
77 intmax_t i; \
79 /* Use a loop as all values of n are small. */ \
80 for (i = 1; n > 0; i *= 10) \
81 n--; \
82 n = i - 1; \
83 } while(0)
85 static void display(const FTSENT *, FTSENT *);
86 static int mastercmp(const FTSENT * const *, const FTSENT * const *);
87 static void traverse(int, char **, int);
89 static void (*printfcn)(const DISPLAY *);
90 static int (*sortfcn)(const FTSENT *, const FTSENT *);
92 long blocksize; /* block size units */
93 int termwidth = 80; /* default terminal width */
95 /* flags */
96 int f_accesstime; /* use time of last access */
97 int f_flags; /* show flags associated with a file */
98 int f_fsmid; /* show FSMID associated with a file */
99 int f_humanval; /* show human-readable file sizes */
100 int f_inode; /* print inode */
101 static int f_kblocks; /* print size in kilobytes */
102 static int f_listdir; /* list actual directory, not contents */
103 static int f_listdot; /* list files beginning with . */
104 int f_longform; /* long listing format */
105 int f_nonprint; /* show unprintables as ? */
106 static int f_nosort; /* don't sort output */
107 int f_notabs; /* don't use tab-separated multi-col output */
108 static int f_numericonly; /* don't convert uid/gid to name */
109 int f_octal; /* show unprintables as \xxx */
110 int f_octal_escape; /* like f_octal but use C escapes if possible */
111 static int f_recursive; /* ls subdirectories also */
112 static int f_reversesort; /* reverse whatever sort is used */
113 int f_sectime; /* print the real time for all files */
114 static int f_singlecol; /* use single column output */
115 int f_size; /* list size in short listing */
116 int f_slash; /* similar to f_type, but only for dirs */
117 int f_sortsize; /* Sort by size */
118 int f_sortacross; /* sort across rows, not down columns */
119 int f_statustime; /* use time of last mode change */
120 static int f_stream; /* stream the output, separate with commas */
121 static int f_timesort; /* sort by time vice name */
122 int f_type; /* add type character for non-regular files */
123 static int f_whiteout; /* show whiteout entries */
124 #ifdef COLORLS
125 int f_color; /* add type in color for non-regular files */
127 char *ansi_bgcol; /* ANSI sequence to set background colour */
128 char *ansi_fgcol; /* ANSI sequence to set foreground colour */
129 char *ansi_coloff; /* ANSI sequence to reset colours */
130 char *attrs_off; /* ANSI sequence to turn off attributes */
131 char *enter_bold; /* ANSI sequence to set color to bold mode */
132 #endif
134 static int rval;
137 main(int argc, char *argv[])
139 static char dot[] = ".", *dotav[] = {dot, NULL};
140 struct winsize win;
141 int ch, fts_options, notused;
142 char *p;
143 #ifdef COLORLS
144 char termcapbuf[1024]; /* termcap definition buffer */
145 char tcapbuf[512]; /* capability buffer */
146 char *bp = tcapbuf;
147 #endif
149 setlocale(LC_ALL, "");
151 /* Terminal defaults to -Cq, non-terminal defaults to -1. */
152 if (isatty(STDOUT_FILENO)) {
153 termwidth = 80;
154 if ((p = getenv("COLUMNS")) != NULL && *p != '\0')
155 termwidth = atoi(p);
156 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 &&
157 win.ws_col > 0)
158 termwidth = win.ws_col;
159 f_nonprint = 1;
160 } else {
161 f_singlecol = 1;
162 /* retrieve environment variable, in case of explicit -C */
163 p = getenv("COLUMNS");
164 if (p)
165 termwidth = atoi(p);
168 /* Root is -A automatically. */
169 if (!getuid())
170 f_listdot = 1;
172 fts_options = FTS_PHYSICAL;
173 while ((ch = getopt(argc, argv, "1ABCFGHLPSRTWabcdfghiklmnopqrstuwxy"))
174 != -1) {
175 switch (ch) {
177 * The -1, -C, -x and -l options all override each other so
178 * shell aliasing works right.
180 case '1':
181 f_singlecol = 1;
182 f_longform = 0;
183 f_stream = 0;
184 break;
185 case 'B':
186 f_nonprint = 0;
187 f_octal = 1;
188 f_octal_escape = 0;
189 break;
190 case 'C':
191 f_sortacross = f_longform = f_singlecol = 0;
192 break;
193 case 'l':
194 f_longform = 1;
195 f_singlecol = 0;
196 f_stream = 0;
197 break;
198 case 'x':
199 f_sortacross = 1;
200 f_longform = 0;
201 f_singlecol = 0;
202 break;
203 case 'y':
204 #ifdef _ST_FSMID_PRESENT_
205 f_fsmid = 1;
206 #endif
207 break;
208 /* The -c and -u options override each other. */
209 case 'c':
210 f_statustime = 1;
211 f_accesstime = 0;
212 break;
213 case 'u':
214 f_accesstime = 1;
215 f_statustime = 0;
216 break;
217 case 'F':
218 f_type = 1;
219 f_slash = 0;
220 break;
221 case 'H':
222 fts_options |= FTS_COMFOLLOW;
223 break;
224 case 'G':
225 if (setenv("CLICOLOR", "", 1) != 0)
226 warn("setenv: cannot set CLICOLOR");
227 break;
228 case 'L':
229 fts_options &= ~FTS_PHYSICAL;
230 fts_options |= FTS_LOGICAL;
231 break;
232 case 'P':
233 fts_options &= ~FTS_COMFOLLOW;
234 fts_options &= ~FTS_LOGICAL;
235 fts_options |= FTS_PHYSICAL;
236 break;
237 case 'R':
238 f_recursive = 1;
239 break;
240 case 'S':
241 f_sortsize = 1;
242 break;
243 case 'a':
244 fts_options |= FTS_SEEDOT;
245 /* FALLTHROUGH */
246 case 'A':
247 f_listdot = 1;
248 break;
249 /* The -d option turns off the -R option. */
250 case 'd':
251 f_listdir = 1;
252 f_recursive = 0;
253 break;
254 case 'f':
255 f_nosort = 1;
256 break;
257 case 'g': /* Compatibility with 4.3BSD. */
258 break;
259 case 'h':
260 f_humanval = 1;
261 break;
262 case 'i':
263 f_inode = 1;
264 break;
265 case 'k':
266 f_humanval = 0;
267 f_kblocks = 1;
268 break;
269 case 'm':
270 f_stream = 1;
271 f_singlecol = 0;
272 f_longform = 0;
273 break;
274 case 'n':
275 f_numericonly = 1;
276 break;
277 case 'o':
278 f_flags = 1;
279 break;
280 case 'p':
281 f_slash = 1;
282 f_type = 1;
283 break;
284 case 'q':
285 f_nonprint = 1;
286 f_octal = 0;
287 f_octal_escape = 0;
288 break;
289 case 'r':
290 f_reversesort = 1;
291 break;
292 case 's':
293 f_size = 1;
294 break;
295 case 'T':
296 f_sectime = 1;
297 break;
298 case 't':
299 f_timesort = 1;
300 break;
301 case 'W':
302 f_whiteout = 1;
303 break;
304 case 'b':
305 f_nonprint = 0;
306 f_octal = 0;
307 f_octal_escape = 1;
308 break;
309 case 'w':
310 f_nonprint = 0;
311 f_octal = 0;
312 f_octal_escape = 0;
313 break;
314 default:
315 case '?':
316 usage();
319 argc -= optind;
320 argv += optind;
322 /* Enabling of colours is conditional on the environment. */
323 if (getenv("CLICOLOR") &&
324 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE")))
325 #ifdef COLORLS
326 if (tgetent(termcapbuf, getenv("TERM")) == 1) {
327 ansi_fgcol = tgetstr("AF", &bp);
328 ansi_bgcol = tgetstr("AB", &bp);
329 attrs_off = tgetstr("me", &bp);
330 enter_bold = tgetstr("md", &bp);
332 /* To switch colours off use 'op' if
333 * available, otherwise use 'oc', or
334 * don't do colours at all. */
335 ansi_coloff = tgetstr("op", &bp);
336 if (!ansi_coloff)
337 ansi_coloff = tgetstr("oc", &bp);
338 if (ansi_fgcol && ansi_bgcol && ansi_coloff)
339 f_color = 1;
341 #else
342 fprintf(stderr, "Color support not compiled in.\n");
343 #endif /*COLORLS*/
345 #ifdef COLORLS
346 if (f_color) {
348 * We can't put tabs and color sequences together:
349 * column number will be incremented incorrectly
350 * for "stty oxtabs" mode.
352 f_notabs = 1;
353 signal(SIGINT, colorquit);
354 signal(SIGQUIT, colorquit);
355 parsecolors(getenv("LSCOLORS"));
357 #endif
360 * If not -F, -i, -l, -s, -S or -t options, don't require stat
361 * information, unless in color mode in which case we do
362 * need this to determine which colors to display.
364 if (!f_inode && !f_longform && !f_size && !f_sortsize && !f_timesort
365 && !f_type
366 #ifdef COLORLS
367 && !f_color
368 #endif
370 fts_options |= FTS_NOSTAT;
373 * If not -F, -d or -l options, follow any symbolic links listed on
374 * the command line.
376 if (!f_longform && !f_listdir && !f_type)
377 fts_options |= FTS_COMFOLLOW;
380 * If -W, show whiteout entries
382 #ifdef FTS_WHITEOUT
383 if (f_whiteout)
384 fts_options |= FTS_WHITEOUT;
385 #endif
387 /* If -l or -s, figure out block size. */
388 if (f_longform || f_size) {
389 if (f_kblocks)
390 blocksize = 2;
391 else {
392 getbsize(&notused, &blocksize);
393 blocksize /= 512;
396 /* Select a sort function. */
397 if (f_reversesort) {
398 if (!f_timesort)
399 sortfcn = revnamecmp;
400 else if (f_accesstime)
401 sortfcn = revacccmp;
402 else if (f_sortsize)
403 sortfcn = revsizecmp;
404 else if (f_statustime)
405 sortfcn = revstatcmp;
406 else /* Use modification time. */
407 sortfcn = revmodcmp;
408 } else {
409 if (!f_timesort)
410 sortfcn = namecmp;
411 else if (f_accesstime)
412 sortfcn = acccmp;
413 else if (f_sortsize)
414 sortfcn = sizecmp;
415 else if (f_statustime)
416 sortfcn = statcmp;
417 else /* Use modification time. */
418 sortfcn = modcmp;
421 /* Select a print function. */
422 if (f_singlecol)
423 printfcn = printscol;
424 else if (f_longform)
425 printfcn = printlong;
426 else if (f_stream)
427 printfcn = printstream;
428 else
429 printfcn = printcol;
431 if (argc)
432 traverse(argc, argv, fts_options);
433 else
434 traverse(1, dotav, fts_options);
435 exit(rval);
438 static int output; /* If anything output. */
441 * Traverse() walks the logical directory structure specified by the argv list
442 * in the order specified by the mastercmp() comparison function. During the
443 * traversal it passes linked lists of structures to display() which represent
444 * a superset (may be exact set) of the files to be displayed.
446 static void
447 traverse(int argc, char *argv[], int options)
449 FTS *ftsp;
450 FTSENT *p, *chp;
451 int ch_options, error;
453 if ((ftsp =
454 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL)
455 err(1, "fts_open");
458 * We ignore errors from fts_children here since they will be
459 * replicated and signalled on the next call to fts_read() below.
461 chp = fts_children(ftsp, 0);
462 if (chp != NULL)
463 display(NULL, chp);
464 if (f_listdir) {
465 fts_close(ftsp);
466 return;
470 * If not recursing down this tree and don't need stat info, just get
471 * the names.
473 ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0;
475 while ((p = fts_read(ftsp)) != NULL)
476 switch (p->fts_info) {
477 case FTS_DC:
478 warnx("%s: directory causes a cycle", p->fts_name);
479 break;
480 case FTS_DNR:
481 case FTS_ERR:
482 warnx("%s: %s", p->fts_name, strerror(p->fts_errno));
483 rval = 1;
484 break;
485 case FTS_D:
486 if (p->fts_level != FTS_ROOTLEVEL &&
487 p->fts_name[0] == '.' && !f_listdot)
488 break;
491 * If already output something, put out a newline as
492 * a separator. If multiple arguments, precede each
493 * directory with its name.
495 if (output) {
496 putchar('\n');
497 printname(p->fts_path);
498 puts(":");
499 } else if (argc > 1) {
500 printname(p->fts_path);
501 puts(":");
502 output = 1;
504 chp = fts_children(ftsp, ch_options);
505 display(p, chp);
507 if (!f_recursive && chp != NULL)
508 fts_set(ftsp, p, FTS_SKIP);
509 break;
510 default:
511 break;
513 error = errno;
514 fts_close(ftsp);
515 errno = error;
516 if (errno)
517 err(1, "fts_read");
521 * Display() takes a linked list of FTSENT structures and passes the list
522 * along with any other necessary information to the print function. P
523 * points to the parent directory of the display list.
525 static void
526 display(const FTSENT *p, FTSENT *list)
528 struct stat *sp;
529 DISPLAY d;
530 FTSENT *cur;
531 NAMES *np;
532 off_t maxsize;
533 u_long btotal, maxlen;
534 int64_t maxblock;
535 ino_t maxinode;
536 nlink_t maxnlink;
537 int bcfile, maxflags;
538 gid_t maxgroup;
539 uid_t maxuser;
540 size_t fsmidlen, flen, ulen, glen;
541 char *initmax;
542 int entries, needstats;
543 const char *user, *group;
544 char *flags;
545 int64_t fsmid;
546 char buf[STRBUF_SIZEOF(u_quad_t) + 1];
547 char ngroup[STRBUF_SIZEOF(uid_t) + 1];
548 char nuser[STRBUF_SIZEOF(gid_t) + 1];
550 needstats = f_inode || f_longform || f_size;
551 flen = 0;
552 btotal = 0;
553 initmax = getenv("LS_COLWIDTHS");
554 /* Fields match -lios order. New ones should be added at the end. */
555 maxblock = maxinode = maxlen = maxnlink =
556 maxuser = maxgroup = maxflags = maxsize = 0;
557 if (initmax != NULL && *initmax != '\0') {
558 char *initmax2, *jinitmax;
559 int ninitmax;
561 /* Fill-in "::" as "0:0:0" for the sake of scanf. */
562 jinitmax = malloc(strlen(initmax) * 2 + 2);
563 if (jinitmax == NULL)
564 err(1, "malloc");
565 initmax2 = jinitmax;
566 if (*initmax == ':')
567 strcpy(initmax2, "0:"), initmax2 += 2;
568 else
569 *initmax2++ = *initmax, *initmax2 = '\0';
570 for (initmax++; *initmax != '\0'; initmax++) {
571 if (initmax[-1] == ':' && initmax[0] == ':') {
572 *initmax2++ = '0';
573 *initmax2++ = initmax[0];
574 initmax2[1] = '\0';
575 } else {
576 *initmax2++ = initmax[0];
577 initmax2[1] = '\0';
580 if (initmax2[-1] == ':')
581 strcpy(initmax2, "0");
583 ninitmax = sscanf(jinitmax,
584 " %ju : %jd : %u : %i : %i : %i : %jd : %lu ",
585 &maxinode, &maxblock, &maxnlink, &maxuser,
586 &maxgroup, &maxflags, &maxsize, &maxlen);
587 f_notabs = 1;
588 switch (ninitmax) {
589 case 0:
590 maxinode = 0;
591 /* FALLTHROUGH */
592 case 1:
593 maxblock = 0;
594 /* FALLTHROUGH */
595 case 2:
596 maxnlink = 0;
597 /* FALLTHROUGH */
598 case 3:
599 maxuser = 0;
600 /* FALLTHROUGH */
601 case 4:
602 maxgroup = 0;
603 /* FALLTHROUGH */
604 case 5:
605 maxflags = 0;
606 /* FALLTHROUGH */
607 case 6:
608 maxsize = 0;
609 /* FALLTHROUGH */
610 case 7:
611 maxlen = 0;
612 /* FALLTHROUGH */
613 #ifdef COLORLS
614 if (!f_color)
615 #endif
616 f_notabs = 0;
617 /* FALLTHROUGH */
618 default:
619 break;
621 MAKENINES(maxinode);
622 MAKENINES(maxblock);
623 MAKENINES(maxnlink);
624 MAKENINES(maxsize);
625 free(jinitmax);
627 bcfile = 0;
628 flags = NULL;
629 for (cur = list, entries = 0; cur; cur = cur->fts_link) {
630 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) {
631 warnx("%s: %s",
632 cur->fts_name, strerror(cur->fts_errno));
633 cur->fts_number = NO_PRINT;
634 rval = 1;
635 continue;
638 * P is NULL if list is the argv list, to which different rules
639 * apply.
641 if (p == NULL) {
642 /* Directories will be displayed later. */
643 if (cur->fts_info == FTS_D && !f_listdir) {
644 cur->fts_number = NO_PRINT;
645 continue;
647 } else {
648 /* Only display dot file if -a/-A set. */
649 if (cur->fts_name[0] == '.' && !f_listdot) {
650 cur->fts_number = NO_PRINT;
651 continue;
654 if (cur->fts_namelen > maxlen)
655 maxlen = cur->fts_namelen;
656 if (f_octal || f_octal_escape) {
657 u_long t = len_octal(cur->fts_name, cur->fts_namelen);
659 if (t > maxlen)
660 maxlen = t;
662 if (needstats) {
663 sp = cur->fts_statp;
664 if (sp->st_blocks > maxblock)
665 maxblock = sp->st_blocks;
666 if (sp->st_ino > maxinode)
667 maxinode = sp->st_ino;
668 if (sp->st_nlink > maxnlink)
669 maxnlink = sp->st_nlink;
670 if (sp->st_size > maxsize)
671 maxsize = sp->st_size;
673 btotal += sp->st_blocks;
674 if (f_longform) {
675 if (f_numericonly) {
676 snprintf(nuser, sizeof(nuser),
677 "%u", sp->st_uid);
678 snprintf(ngroup, sizeof(ngroup),
679 "%u", sp->st_gid);
680 user = nuser;
681 group = ngroup;
682 } else {
683 user = user_from_uid(sp->st_uid, 0);
684 group = group_from_gid(sp->st_gid, 0);
686 if ((ulen = strlen(user)) > maxuser)
687 maxuser = ulen;
688 if ((glen = strlen(group)) > maxgroup)
689 maxgroup = glen;
690 if (f_flags) {
691 flags = fflagstostr(sp->st_flags);
692 if (flags != NULL && *flags == '\0') {
693 free(flags);
694 flags = strdup("-");
696 if (flags == NULL)
697 err(1, "flagstostr");
698 flen = strlen(flags);
699 if (flen > (size_t)maxflags)
700 maxflags = flen;
701 } else {
702 flen = 0;
704 #ifdef _ST_FSMID_PRESENT_
705 if (f_fsmid) {
706 fsmid = sp->st_fsmid;
707 fsmidlen = 18;
708 } else {
709 fsmid = 0;
710 fsmidlen = 0;
712 #else
713 fsmidlen = 0;
714 #endif
716 if ((np = malloc(sizeof(NAMES) +
717 ulen + glen + flen + fsmidlen + 4)) == NULL)
718 err(1, "malloc");
720 np->user = &np->data[0];
721 strcpy(np->user, user);
722 np->group = &np->data[ulen + 1];
723 strcpy(np->group, group);
725 if (S_ISCHR(sp->st_mode) ||
726 S_ISBLK(sp->st_mode))
727 bcfile = 1;
729 if (f_flags) {
730 np->flags = &np->data[ulen + glen + 2];
731 strcpy(np->flags, flags);
732 free(flags);
734 #ifdef _ST_FSMID_PRESENT_
735 if (f_fsmid) {
736 np->fsmid = np->data + ulen + glen + flen + 3;
737 snprintf(np->fsmid, fsmidlen + 1,
738 "%016jx", (intmax_t)fsmid);
740 #endif
741 cur->fts_pointer = np;
744 ++entries;
748 * If there are no entries to display, we normally stop right
749 * here. However, we must continue if we have to display the
750 * total block count. In this case, we display the total only
751 * on the second (p != NULL) pass.
753 if (!entries && (!(f_longform || f_size) || p == NULL))
754 return;
756 d.list = list;
757 d.entries = entries;
758 d.maxlen = maxlen;
759 if (needstats) {
760 d.bcfile = bcfile;
761 d.btotal = btotal;
762 snprintf(buf, sizeof(buf), "%ji", (intmax_t)maxblock);
763 d.s_block = strlen(buf);
764 d.s_flags = maxflags;
765 d.s_group = maxgroup;
766 snprintf(buf, sizeof(buf), "%ju", (uintmax_t)maxinode);
767 d.s_inode = strlen(buf);
768 snprintf(buf, sizeof(buf), "%u", maxnlink);
769 d.s_nlink = strlen(buf);
770 snprintf(buf, sizeof(buf), "%jd", (intmax_t)maxsize);
771 d.s_size = strlen(buf);
772 d.s_user = maxuser;
774 printfcn(&d);
775 output = 1;
777 if (f_longform)
778 for (cur = list; cur; cur = cur->fts_link)
779 free(cur->fts_pointer);
783 * Ordering for mastercmp:
784 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories
785 * as larger than directories. Within either group, use the sort function.
786 * All other levels use the sort function. Error entries remain unsorted.
788 static int
789 mastercmp(const FTSENT * const *a, const FTSENT * const *b)
791 int a_info, b_info;
793 a_info = (*a)->fts_info;
794 if (a_info == FTS_ERR)
795 return (0);
796 b_info = (*b)->fts_info;
797 if (b_info == FTS_ERR)
798 return (0);
800 if (a_info == FTS_NS || b_info == FTS_NS)
801 return (namecmp(*a, *b));
803 if (a_info != b_info &&
804 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) {
805 if (a_info == FTS_D)
806 return (1);
807 if (b_info == FTS_D)
808 return (-1);
810 return (sortfcn(*a, *b));