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. 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 * @(#) 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 */
36
37 #include <sys/types.h>
38 #include <sys/stat.h>
39 #include <sys/ioctl.h>
40
41 #include <dirent.h>
42 #include <err.h>
43 #include <errno.h>
44 #include <fts.h>
45 #include <grp.h>
46 #include <inttypes.h>
47 #include <limits.h>
48 #include <locale.h>
49 #include <pwd.h>
50 #include <stdio.h>
51 #include <stdlib.h>
52 #include <string.h>
53 #include <unistd.h>
54 #ifdef COLORLS
55 #include <termcap.h>
56 #include <signal.h>
57 #endif
58
59 #include "ls.h"
60 #include "extern.h"
61
62 /*
63 * Upward approximation of the maximum number of characters needed to
64 * represent a value of integral type t as a string, excluding the
65 * NUL terminator, with provision for a sign.
66 */
67 #define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1)
68
69 /*
70 * MAKENINES(n) turns n into (10**n)-1. This is useful for converting a width
71 * into a number that wide in decimal.
72 * XXX: Overflows are not considered.
73 */
74 #define MAKENINES(n) \
75 do { \
76 intmax_t i; \
77 \
78 /* Use a loop as all values of n are small. */ \
79 for (i = 1; n > 0; i *= 10) \
80 n--; \
81 n = i - 1; \
82 } while(0)
83
84 static void display(const FTSENT *, FTSENT *);
85 static int mastercmp(const FTSENT * const *, const FTSENT * const *);
86 static void traverse(int, char **, int);
87
88 static void (*printfcn)(const DISPLAY *);
89 static int (*sortfcn)(const FTSENT *, const FTSENT *);
90
91 long blocksize; /* block size units */
92 int termwidth = 80; /* default terminal width */
93
94 /* flags */
95 int f_accesstime; /* use time of last access */
96 int f_flags; /* show flags associated with a file */
97 int f_humanval; /* show human-readable file sizes */
98 int f_inode; /* print inode */
99 static int f_kblocks; /* print size in kilobytes */
100 static int f_listdir; /* list actual directory, not contents */
101 static int f_listdot; /* list files beginning with . */
102 int f_longform; /* long listing format */
103 int f_nanotime; /* include nanotime in long format */
104 int f_nonprint; /* show unprintables as ? */
105 static int f_nosort; /* don't sort output */
106 int f_notabs; /* don't use tab-separated multi-col output */
107 static int f_numericonly; /* don't convert uid/gid to name */
108 int f_octal; /* show unprintables as \xxx */
109 int f_octal_escape; /* like f_octal but use C escapes if possible */
110 static int f_recursive; /* ls subdirectories also */
111 static int f_reversesort; /* reverse whatever sort is used */
112 int f_sectime; /* print the real time for all files */
113 static int f_singlecol; /* use single column output */
114 int f_size; /* list size in short listing */
115 static int f_sizesort; /* Sort by size */
116 int f_slash; /* similar to f_type, but only for dirs */
117 int f_sortacross; /* sort across rows, not down columns */
118 int f_statustime; /* use time of last mode change */
119 static int f_stream; /* stream the output, separate with commas */
120 const char *f_timeformat; /* user-specified time format */
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 */
126
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
133
134 static int rval;
135
136 int
main(int argc,char * argv[])137 main(int argc, char *argv[])
138 {
139 static char dot[] = ".", *dotav[] = {dot, NULL};
140 struct winsize win;
141 int ch, fts_options, notused;
142 char *p;
143 const char nanotime_format[] = "%Y-%m-%d %H:%M:%S";
144 #ifdef COLORLS
145 char termcapbuf[1024]; /* termcap definition buffer */
146 char tcapbuf[512]; /* capability buffer */
147 char *bp = tcapbuf;
148 #endif
149
150 setlocale(LC_ALL, "");
151
152 /* Terminal defaults to -Cq, non-terminal defaults to -1. */
153 if (isatty(STDOUT_FILENO)) {
154 termwidth = 80;
155 if ((p = getenv("COLUMNS")) != NULL && *p != '\0')
156 termwidth = atoi(p);
157 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 &&
158 win.ws_col > 0)
159 termwidth = win.ws_col;
160 f_nonprint = 1;
161 } else {
162 f_singlecol = 1;
163 /* retrieve environment variable, in case of explicit -C */
164 p = getenv("COLUMNS");
165 if (p)
166 termwidth = atoi(p);
167 }
168
169 /*
170 * Root is -A automatically. Turn off if -I specified.
171 */
172 if (getuid() == 0)
173 f_listdot = 1;
174
175 fts_options = FTS_PHYSICAL;
176 while ((ch = getopt(argc, argv,
177 "1ABCD:FGHILPRSTW_abcdfghiklmnopqrstuwx")) != -1) {
178 switch (ch) {
179 /*
180 * The -1, -C, -x and -l options all override each other so
181 * shell aliasing works right.
182 */
183 case '1':
184 f_singlecol = 1;
185 f_longform = 0;
186 f_stream = 0;
187 break;
188 case 'B':
189 f_nonprint = 0;
190 f_octal = 1;
191 f_octal_escape = 0;
192 break;
193 case 'C':
194 f_sortacross = f_longform = f_singlecol = 0;
195 break;
196 case 'l':
197 f_longform = 1;
198 f_singlecol = 0;
199 f_stream = 0;
200 break;
201 case 'x':
202 f_sortacross = 1;
203 f_longform = 0;
204 f_singlecol = 0;
205 break;
206 /* The -c and -u options override each other. */
207 case 'c':
208 f_statustime = 1;
209 f_accesstime = 0;
210 break;
211 case 'u':
212 f_accesstime = 1;
213 f_statustime = 0;
214 break;
215 case 'D':
216 f_timeformat = optarg;
217 break;
218 case 'F':
219 f_type = 1;
220 f_slash = 0;
221 break;
222 case 'H':
223 fts_options |= FTS_COMFOLLOW;
224 break;
225 case 'I':
226 f_listdot = 0;
227 break;
228 case 'G':
229 if (setenv("CLICOLOR", "", 1) != 0)
230 warn("setenv: cannot set CLICOLOR");
231 break;
232 case 'L':
233 fts_options &= ~FTS_PHYSICAL;
234 fts_options |= FTS_LOGICAL;
235 break;
236 case 'P':
237 fts_options &= ~FTS_COMFOLLOW;
238 fts_options &= ~FTS_LOGICAL;
239 fts_options |= FTS_PHYSICAL;
240 break;
241 case 'R':
242 f_recursive = 1;
243 break;
244 /* The -t and -S options override each other. */
245 case 'S':
246 f_sizesort = 1;
247 f_timesort = 0;
248 break;
249 case 't':
250 f_timesort = 1;
251 f_sizesort = 0;
252 break;
253 case 'f':
254 f_nosort = 1;
255 /* FALLTHROUGH */
256 case 'a':
257 fts_options |= FTS_SEEDOT;
258 /* FALLTHROUGH */
259 case 'A':
260 f_listdot = 1;
261 break;
262 /* The -d option turns off the -R option. */
263 case 'd':
264 f_listdir = 1;
265 f_recursive = 0;
266 break;
267 case 'g': /* Compatibility with 4.3BSD. */
268 break;
269 case 'h':
270 f_humanval = 1;
271 break;
272 case 'i':
273 f_inode = 1;
274 break;
275 case 'k':
276 f_humanval = 0;
277 f_kblocks = 1;
278 break;
279 case 'm':
280 f_stream = 1;
281 f_singlecol = 0;
282 f_longform = 0;
283 break;
284 case 'n':
285 f_numericonly = 1;
286 break;
287 case 'o':
288 f_flags = 1;
289 break;
290 case 'p':
291 f_slash = 1;
292 f_type = 1;
293 break;
294 case 'q':
295 f_nonprint = 1;
296 f_octal = 0;
297 f_octal_escape = 0;
298 break;
299 case 'r':
300 f_reversesort = 1;
301 break;
302 case 's':
303 f_size = 1;
304 break;
305 case 'T':
306 f_sectime = 1;
307 break;
308 case 'W':
309 f_whiteout = 1;
310 break;
311 case 'b':
312 f_nonprint = 0;
313 f_octal = 0;
314 f_octal_escape = 1;
315 break;
316 case 'w':
317 f_nonprint = 0;
318 f_octal = 0;
319 f_octal_escape = 0;
320 break;
321 case '_':
322 f_nanotime = 1;
323 f_timeformat = nanotime_format;
324 break;
325 default:
326 case '?':
327 usage();
328 }
329 }
330 argc -= optind;
331 argv += optind;
332
333 /* Enabling of colours is conditional on the environment. */
334 if (getenv("CLICOLOR") &&
335 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE")))
336 #ifdef COLORLS
337 if (tgetent(termcapbuf, getenv("TERM")) == 1) {
338 ansi_fgcol = tgetstr("AF", &bp);
339 ansi_bgcol = tgetstr("AB", &bp);
340 attrs_off = tgetstr("me", &bp);
341 enter_bold = tgetstr("md", &bp);
342
343 /* To switch colours off use 'op' if
344 * available, otherwise use 'oc', or
345 * don't do colours at all. */
346 ansi_coloff = tgetstr("op", &bp);
347 if (!ansi_coloff)
348 ansi_coloff = tgetstr("oc", &bp);
349 if (ansi_fgcol && ansi_bgcol && ansi_coloff)
350 f_color = 1;
351 }
352 #else
353 fprintf(stderr, "Color support not compiled in.\n");
354 #endif /*COLORLS*/
355
356 #ifdef COLORLS
357 if (f_color) {
358 /*
359 * We can't put tabs and color sequences together:
360 * column number will be incremented incorrectly
361 * for "stty oxtabs" mode.
362 */
363 f_notabs = 1;
364 signal(SIGINT, colorquit);
365 signal(SIGQUIT, colorquit);
366 parsecolors(getenv("LSCOLORS"));
367 }
368 #endif
369
370 /*
371 * If not -F, -i, -l, -s, -S or -t options, don't require stat
372 * information, unless in color mode in which case we do
373 * need this to determine which colors to display.
374 */
375 if (!f_inode && !f_longform && !f_size && !f_timesort &&
376 !f_sizesort && !f_type
377 #ifdef COLORLS
378 && !f_color
379 #endif
380 )
381 fts_options |= FTS_NOSTAT;
382
383 /*
384 * If not -F, -d or -l options, follow any symbolic links listed on
385 * the command line.
386 */
387 if (!f_longform && !f_listdir && !f_type)
388 fts_options |= FTS_COMFOLLOW;
389
390 /*
391 * If -W, show whiteout entries
392 */
393 #ifdef FTS_WHITEOUT
394 if (f_whiteout)
395 fts_options |= FTS_WHITEOUT;
396 #endif
397
398 /* If -l or -s, figure out block size. */
399 if (f_longform || f_size) {
400 if (f_kblocks)
401 blocksize = 2;
402 else {
403 getbsize(¬used, &blocksize);
404 blocksize /= 512;
405 }
406 }
407 /* Select a sort function. */
408 if (f_reversesort) {
409 if (!f_timesort && !f_sizesort)
410 sortfcn = revnamecmp;
411 else if (f_sizesort)
412 sortfcn = revsizecmp;
413 else if (f_accesstime)
414 sortfcn = revacccmp;
415 else if (f_statustime)
416 sortfcn = revstatcmp;
417 else /* Use modification time. */
418 sortfcn = revmodcmp;
419 } else {
420 if (!f_timesort && !f_sizesort)
421 sortfcn = namecmp;
422 else if (f_sizesort)
423 sortfcn = sizecmp;
424 else if (f_accesstime)
425 sortfcn = acccmp;
426 else if (f_statustime)
427 sortfcn = statcmp;
428 else /* Use modification time. */
429 sortfcn = modcmp;
430 }
431
432 /* Select a print function. */
433 if (f_singlecol)
434 printfcn = printscol;
435 else if (f_longform)
436 printfcn = printlong;
437 else if (f_stream)
438 printfcn = printstream;
439 else
440 printfcn = printcol;
441
442 if (argc)
443 traverse(argc, argv, fts_options);
444 else
445 traverse(1, dotav, fts_options);
446 exit(rval);
447 }
448
449 static int output; /* If anything output. */
450
451 /*
452 * Traverse() walks the logical directory structure specified by the argv list
453 * in the order specified by the mastercmp() comparison function. During the
454 * traversal it passes linked lists of structures to display() which represent
455 * a superset (may be exact set) of the files to be displayed.
456 */
457 static void
traverse(int argc,char * argv[],int options)458 traverse(int argc, char *argv[], int options)
459 {
460 FTS *ftsp;
461 FTSENT *p, *chp;
462 int ch_options, error;
463
464 if ((ftsp =
465 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL)
466 err(1, "fts_open");
467
468 /*
469 * We ignore errors from fts_children here since they will be
470 * replicated and signalled on the next call to fts_read() below.
471 */
472 chp = fts_children(ftsp, 0);
473 if (chp != NULL)
474 display(NULL, chp);
475 if (f_listdir) {
476 fts_close(ftsp);
477 return;
478 }
479
480 /*
481 * If not recursing down this tree and don't need stat info, just get
482 * the names.
483 */
484 ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0;
485
486 while ((p = fts_read(ftsp)) != NULL)
487 switch (p->fts_info) {
488 case FTS_DC:
489 warnx("%s: directory causes a cycle", p->fts_name);
490 break;
491 case FTS_DNR:
492 case FTS_ERR:
493 warnx("%s: %s", p->fts_name, strerror(p->fts_errno));
494 rval = 1;
495 break;
496 case FTS_D:
497 if (p->fts_level != FTS_ROOTLEVEL &&
498 p->fts_name[0] == '.' && !f_listdot)
499 break;
500
501 /*
502 * If already output something, put out a newline as
503 * a separator. If multiple arguments, precede each
504 * directory with its name.
505 */
506 if (output) {
507 putchar('\n');
508 printname(p->fts_path);
509 puts(":");
510 } else if (argc > 1) {
511 printname(p->fts_path);
512 puts(":");
513 output = 1;
514 }
515 chp = fts_children(ftsp, ch_options);
516 display(p, chp);
517
518 if (!f_recursive && chp != NULL)
519 fts_set(ftsp, p, FTS_SKIP);
520 break;
521 default:
522 break;
523 }
524 error = errno;
525 fts_close(ftsp);
526 errno = error;
527 if (errno)
528 err(1, "fts_read");
529 }
530
531 /*
532 * Display() takes a linked list of FTSENT structures and passes the list
533 * along with any other necessary information to the print function. P
534 * points to the parent directory of the display list.
535 */
536 static void
display(const FTSENT * p,FTSENT * list)537 display(const FTSENT *p, FTSENT *list)
538 {
539 struct stat *sp;
540 DISPLAY d;
541 FTSENT *cur;
542 NAMES *np;
543 off_t maxsize;
544 u_long btotal, maxlen;
545 int64_t maxblock;
546 ino_t maxinode;
547 nlink_t maxnlink;
548 int bcfile, maxflags;
549 gid_t maxgroup;
550 uid_t maxuser;
551 size_t flen, ulen, glen;
552 char *initmax;
553 int entries, needstats;
554 const char *user, *group;
555 char *flags;
556 char buf[STRBUF_SIZEOF(u_quad_t) + 1];
557 char ngroup[STRBUF_SIZEOF(uid_t) + 1];
558 char nuser[STRBUF_SIZEOF(gid_t) + 1];
559
560 needstats = f_inode || f_longform || f_size;
561 btotal = 0;
562 initmax = getenv("LS_COLWIDTHS");
563 /* Fields match -lios order. New ones should be added at the end. */
564 maxblock = maxinode = maxlen = maxnlink =
565 maxuser = maxgroup = maxflags = maxsize = 0;
566 if (initmax != NULL && *initmax != '\0') {
567 char *initmax2, *jinitmax;
568 int ninitmax;
569
570 /* Fill-in "::" as "0:0:0" for the sake of scanf. */
571 jinitmax = malloc(strlen(initmax) * 2 + 2);
572 if (jinitmax == NULL)
573 err(1, "malloc");
574 initmax2 = jinitmax;
575 if (*initmax == ':')
576 strcpy(initmax2, "0:"), initmax2 += 2;
577 else
578 *initmax2++ = *initmax, *initmax2 = '\0';
579 for (initmax++; *initmax != '\0'; initmax++) {
580 if (initmax[-1] == ':' && initmax[0] == ':') {
581 *initmax2++ = '0';
582 *initmax2++ = initmax[0];
583 initmax2[1] = '\0';
584 } else {
585 *initmax2++ = initmax[0];
586 initmax2[1] = '\0';
587 }
588 }
589 if (initmax2[-1] == ':')
590 strcpy(initmax2, "0");
591
592 ninitmax = sscanf(jinitmax,
593 " %ju : %jd : %u : %i : %i : %i : %jd : %lu ",
594 &maxinode, &maxblock, &maxnlink, &maxuser,
595 &maxgroup, &maxflags, &maxsize, &maxlen);
596 f_notabs = 1;
597 switch (ninitmax) {
598 case 0:
599 maxinode = 0;
600 /* FALLTHROUGH */
601 case 1:
602 maxblock = 0;
603 /* FALLTHROUGH */
604 case 2:
605 maxnlink = 0;
606 /* FALLTHROUGH */
607 case 3:
608 maxuser = 0;
609 /* FALLTHROUGH */
610 case 4:
611 maxgroup = 0;
612 /* FALLTHROUGH */
613 case 5:
614 maxflags = 0;
615 /* FALLTHROUGH */
616 case 6:
617 maxsize = 0;
618 /* FALLTHROUGH */
619 case 7:
620 maxlen = 0;
621 /* FALLTHROUGH */
622 #ifdef COLORLS
623 if (!f_color)
624 #endif
625 f_notabs = 0;
626 /* FALLTHROUGH */
627 default:
628 break;
629 }
630 MAKENINES(maxinode);
631 MAKENINES(maxblock);
632 MAKENINES(maxnlink);
633 MAKENINES(maxsize);
634 free(jinitmax);
635 }
636 bcfile = 0;
637 flags = NULL;
638 for (cur = list, entries = 0; cur; cur = cur->fts_link) {
639 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) {
640 warnx("%s: %s",
641 cur->fts_name, strerror(cur->fts_errno));
642 cur->fts_number = NO_PRINT;
643 rval = 1;
644 continue;
645 }
646 /*
647 * P is NULL if list is the argv list, to which different rules
648 * apply.
649 */
650 if (p == NULL) {
651 /* Directories will be displayed later. */
652 if (cur->fts_info == FTS_D && !f_listdir) {
653 cur->fts_number = NO_PRINT;
654 continue;
655 }
656 } else {
657 /* Only display dot file if -a/-A set. */
658 if (cur->fts_name[0] == '.' && !f_listdot) {
659 cur->fts_number = NO_PRINT;
660 continue;
661 }
662 }
663 if (cur->fts_namelen > maxlen)
664 maxlen = cur->fts_namelen;
665 if (f_octal || f_octal_escape) {
666 u_long t = len_octal(cur->fts_name, cur->fts_namelen);
667
668 if (t > maxlen)
669 maxlen = t;
670 }
671 if (needstats) {
672 sp = cur->fts_statp;
673 if (sp->st_blocks > maxblock)
674 maxblock = sp->st_blocks;
675 if (sp->st_ino > maxinode)
676 maxinode = sp->st_ino;
677 if (sp->st_nlink > maxnlink)
678 maxnlink = sp->st_nlink;
679 if (sp->st_size > maxsize)
680 maxsize = sp->st_size;
681
682 btotal += sp->st_blocks;
683 if (f_longform) {
684 if (f_numericonly) {
685 snprintf(nuser, sizeof(nuser),
686 "%u", sp->st_uid);
687 snprintf(ngroup, sizeof(ngroup),
688 "%u", sp->st_gid);
689 user = nuser;
690 group = ngroup;
691 } else {
692 user = user_from_uid(sp->st_uid, 0);
693 group = group_from_gid(sp->st_gid, 0);
694 }
695 if ((ulen = strlen(user)) > maxuser)
696 maxuser = ulen;
697 if ((glen = strlen(group)) > maxgroup)
698 maxgroup = glen;
699 if (f_flags) {
700 flags = fflagstostr(sp->st_flags);
701 if (flags != NULL && *flags == '\0') {
702 free(flags);
703 flags = strdup("-");
704 }
705 if (flags == NULL)
706 err(1, "flagstostr");
707 flen = strlen(flags);
708 if (flen > (size_t)maxflags)
709 maxflags = flen;
710 } else {
711 flen = 0;
712 }
713
714 if ((np = malloc(sizeof(NAMES) +
715 ulen + glen + flen + 3)) == NULL)
716 err(1, "malloc");
717
718 np->user = &np->data[0];
719 strcpy(np->user, user);
720 np->group = &np->data[ulen + 1];
721 strcpy(np->group, group);
722
723 if (S_ISCHR(sp->st_mode) ||
724 S_ISBLK(sp->st_mode))
725 bcfile = 1;
726
727 if (f_flags) {
728 np->flags = &np->data[ulen + glen + 2];
729 strcpy(np->flags, flags);
730 free(flags);
731 }
732 cur->fts_pointer = np;
733 }
734 }
735 ++entries;
736 }
737
738 /*
739 * If there are no entries to display, we normally stop right
740 * here. However, we must continue if we have to display the
741 * total block count. In this case, we display the total only
742 * on the second (p != NULL) pass.
743 */
744 if (!entries && (!(f_longform || f_size) || p == NULL))
745 return;
746
747 d.list = list;
748 d.entries = entries;
749 d.maxlen = maxlen;
750 if (needstats) {
751 d.bcfile = bcfile;
752 d.btotal = btotal;
753 snprintf(buf, sizeof(buf), "%ji", (intmax_t)maxblock);
754 d.s_block = strlen(buf);
755 d.s_flags = maxflags;
756 d.s_group = maxgroup;
757 snprintf(buf, sizeof(buf), "%ju", (uintmax_t)maxinode);
758 d.s_inode = strlen(buf);
759 snprintf(buf, sizeof(buf), "%u", maxnlink);
760 d.s_nlink = strlen(buf);
761 snprintf(buf, sizeof(buf), "%jd", (intmax_t)maxsize);
762 d.s_size = strlen(buf);
763 d.s_user = maxuser;
764 }
765 printfcn(&d);
766 output = 1;
767
768 if (f_longform)
769 for (cur = list; cur; cur = cur->fts_link)
770 free(cur->fts_pointer);
771 }
772
773 /*
774 * Ordering for mastercmp:
775 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories
776 * as larger than directories. Within either group, use the sort function.
777 * All other levels use the sort function. Error entries remain unsorted.
778 */
779 static int
mastercmp(const FTSENT * const * a,const FTSENT * const * b)780 mastercmp(const FTSENT * const *a, const FTSENT * const *b)
781 {
782 int a_info, b_info;
783
784 a_info = (*a)->fts_info;
785 if (a_info == FTS_ERR)
786 return (0);
787 b_info = (*b)->fts_info;
788 if (b_info == FTS_ERR)
789 return (0);
790
791 if (a_info == FTS_NS || b_info == FTS_NS)
792 return (namecmp(*a, *b));
793
794 if (a_info != b_info &&
795 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) {
796 if (a_info == FTS_D)
797 return (1);
798 if (b_info == FTS_D)
799 return (-1);
800 }
801 return (sortfcn(*a, *b));
802 }
803