summaryrefslogtreecommitdiffhomepage
path: root/coreutils/stat.c
blob: 1a490fef74b7276181a2e3d3320f7858b422c735 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
/* vi: set sw=4 ts=4: */
/*
 * stat -- display file or file system status
 *
 * Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation.
 * Copyright (C) 2005 by Erik Andersen <andersen@codepoet.org>
 * Copyright (C) 2005 by Mike Frysinger <vapier@gentoo.org>
 * Copyright (C) 2006 by Yoshinori Sato <ysato@users.sourceforge.jp>
 *
 * Written by Michael Meskes
 * Taken from coreutils and turned into a busybox applet by Mike Frysinger
 *
 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
 */
//config:config STAT
//config:	bool "stat"
//config:	default y
//config:	help
//config:	  display file or filesystem status.
//config:
//config:config FEATURE_STAT_FORMAT
//config:	bool "Enable custom formats (-c)"
//config:	default y
//config:	depends on STAT
//config:	help
//config:	  Without this, stat will not support the '-c format' option where
//config:	  users can pass a custom format string for output. This adds about
//config:	  7k to a nonstatic build on amd64.
//config:
//config:config FEATURE_STAT_FILESYSTEM
//config:	bool "Enable display of filesystem status (-f)"
//config:	default y
//config:	depends on STAT
//config:	select PLATFORM_LINUX # statfs()
//config:	help
//config:	  Without this, stat will not support the '-f' option to display
//config:	  information about filesystem status.


//usage:#define stat_trivial_usage
//usage:       "[OPTIONS] FILE..."
//usage:#define stat_full_usage "\n\n"
//usage:       "Display file"
//usage:            IF_FEATURE_STAT_FILESYSTEM(" (default) or filesystem")
//usage:            " status\n"
//usage:	IF_FEATURE_STAT_FORMAT(
//usage:     "\n	-c FMT	Use the specified format"
//usage:	)
//usage:	IF_FEATURE_STAT_FILESYSTEM(
//usage:     "\n	-f	Display filesystem status"
//usage:	)
//usage:     "\n	-L	Follow links"
//usage:     "\n	-t	Terse display"
//usage:	IF_SELINUX(
//usage:     "\n	-Z	Print security context"
//usage:	)
//usage:	IF_FEATURE_STAT_FORMAT(
//usage:       "\n\nFMT sequences"IF_FEATURE_STAT_FILESYSTEM(" for files")":\n"
//usage:       " %a	Access rights in octal\n"
//usage:       " %A	Access rights in human readable form\n"
//usage:       " %b	Number of blocks allocated (see %B)\n"
//usage:       " %B	Size in bytes of each block reported by %b\n"
//usage:       " %d	Device number in decimal\n"
//usage:       " %D	Device number in hex\n"
//usage:       " %f	Raw mode in hex\n"
//usage:       " %F	File type\n"
//usage:       " %g	Group ID\n"
//usage:       " %G	Group name\n"
//usage:       " %h	Number of hard links\n"
//usage:       " %i	Inode number\n"
//usage:       " %n	File name\n"
//usage:       " %N	File name, with -> TARGET if symlink\n"
//usage:       " %o	I/O block size\n"
//usage:       " %s	Total size in bytes\n"
//usage:       " %t	Major device type in hex\n"
//usage:       " %T	Minor device type in hex\n"
//usage:       " %u	User ID\n"
//usage:       " %U	User name\n"
//usage:       " %x	Time of last access\n"
//usage:       " %X	Time of last access as seconds since Epoch\n"
//usage:       " %y	Time of last modification\n"
//usage:       " %Y	Time of last modification as seconds since Epoch\n"
//usage:       " %z	Time of last change\n"
//usage:       " %Z	Time of last change as seconds since Epoch\n"
//usage:	IF_FEATURE_STAT_FILESYSTEM(
//usage:       "\nFMT sequences for file systems:\n"
//usage:       " %a	Free blocks available to non-superuser\n"
//usage:       " %b	Total data blocks\n"
//usage:       " %c	Total file nodes\n"
//usage:       " %d	Free file nodes\n"
//usage:       " %f	Free blocks\n"
//usage:	IF_SELINUX(
//usage:       " %C	Security context in selinux\n"
//usage:	)
//usage:       " %i	File System ID in hex\n"
//usage:       " %l	Maximum length of filenames\n"
//usage:       " %n	File name\n"
//usage:       " %s	Block size (for faster transfer)\n"
//usage:       " %S	Fundamental block size (for block counts)\n"
//usage:       " %t	Type in hex\n"
//usage:       " %T	Type in human readable form"
//usage:	)
//usage:	)

#include "libbb.h"

enum {
	OPT_TERSE       = (1 << 0),
	OPT_DEREFERENCE = (1 << 1),
	OPT_FILESYS     = (1 << 2) * ENABLE_FEATURE_STAT_FILESYSTEM,
	OPT_SELINUX     = (1 << (2+ENABLE_FEATURE_STAT_FILESYSTEM)) * ENABLE_SELINUX,
};

#if ENABLE_FEATURE_STAT_FORMAT
typedef bool (*statfunc_ptr)(const char *, const char *);
#else
typedef bool (*statfunc_ptr)(const char *);
#endif

static const char *file_type(const struct stat *st)
{
	/* See POSIX 1003.1-2001 XCU Table 4-8 lines 17093-17107
	 * for some of these formats.
	 * To keep diagnostics grammatical in English, the
	 * returned string must start with a consonant.
	 */
	if (S_ISREG(st->st_mode))  return st->st_size == 0 ? "regular empty file" : "regular file";
	if (S_ISDIR(st->st_mode))  return "directory";
	if (S_ISBLK(st->st_mode))  return "block special file";
	if (S_ISCHR(st->st_mode))  return "character special file";
	if (S_ISFIFO(st->st_mode)) return "fifo";
	if (S_ISLNK(st->st_mode))  return "symbolic link";
	if (S_ISSOCK(st->st_mode)) return "socket";
#ifdef S_TYPEISMQ
	if (S_TYPEISMQ(st))        return "message queue";
#endif
#ifdef S_TYPEISSEM
	if (S_TYPEISSEM(st))       return "semaphore";
#endif
#ifdef S_TYPEISSHM
	if (S_TYPEISSHM(st))       return "shared memory object";
#endif
#ifdef S_TYPEISTMO
	if (S_TYPEISTMO(st))       return "typed memory object";
#endif
	return "weird file";
}

static const char *human_time(time_t t)
{
	/* Old
	static char *str;
	str = ctime(&t);
	str[strlen(str)-1] = '\0';
	return str;
	*/
	/* coreutils 6.3 compat: */

	/*static char buf[sizeof("YYYY-MM-DD HH:MM:SS.000000000")] ALIGN1;*/
#define buf bb_common_bufsiz1

	strcpy(strftime_YYYYMMDDHHMMSS(buf, sizeof(buf), &t), ".000000000");
	return buf;
#undef buf
}

#if ENABLE_FEATURE_STAT_FILESYSTEM
/* Return the type of the specified file system.
 * Some systems have statfvs.f_basetype[FSTYPSZ]. (AIX, HP-UX, and Solaris)
 * Others have statfs.f_fstypename[MFSNAMELEN]. (NetBSD 1.5.2)
 * Still others have neither and have to get by with f_type (Linux).
 */
static const char *human_fstype(uint32_t f_type)
{
	static const struct types {
		uint32_t type;
		const char *const fs;
	} humantypes[] = {
		{ 0xADFF,     "affs" },
		{ 0x1Cd1,     "devpts" },
		{ 0x137D,     "ext" },
		{ 0xEF51,     "ext2" },
		{ 0xEF53,     "ext2/ext3" },
		{ 0x3153464a, "jfs" },
		{ 0x58465342, "xfs" },
		{ 0xF995E849, "hpfs" },
		{ 0x9660,     "isofs" },
		{ 0x4000,     "isofs" },
		{ 0x4004,     "isofs" },
		{ 0x137F,     "minix" },
		{ 0x138F,     "minix (30 char.)" },
		{ 0x2468,     "minix v2" },
		{ 0x2478,     "minix v2 (30 char.)" },
		{ 0x4d44,     "msdos" },
		{ 0x4006,     "fat" },
		{ 0x564c,     "novell" },
		{ 0x6969,     "nfs" },
		{ 0x9fa0,     "proc" },
		{ 0x517B,     "smb" },
		{ 0x012FF7B4, "xenix" },
		{ 0x012FF7B5, "sysv4" },
		{ 0x012FF7B6, "sysv2" },
		{ 0x012FF7B7, "coh" },
		{ 0x00011954, "ufs" },
		{ 0x012FD16D, "xia" },
		{ 0x5346544e, "ntfs" },
		{ 0x1021994,  "tmpfs" },
		{ 0x52654973, "reiserfs" },
		{ 0x28cd3d45, "cramfs" },
		{ 0x7275,     "romfs" },
		{ 0x858458f6, "romfs" },
		{ 0x73717368, "squashfs" },
		{ 0x62656572, "sysfs" },
		{ 0, "UNKNOWN" }
	};

	int i;

	for (i = 0; humantypes[i].type; ++i)
		if (humantypes[i].type == f_type)
			break;
	return humantypes[i].fs;
}

/* "man statfs" says that statfsbuf->f_fsid is a mess */
/* coreutils treats it as an array of ints, most significant first */
static unsigned long long get_f_fsid(const struct statfs *statfsbuf)
{
	const unsigned *p = (const void*) &statfsbuf->f_fsid;
	unsigned sz = sizeof(statfsbuf->f_fsid) / sizeof(unsigned);
	unsigned long long r = 0;

	do
		r = (r << (sizeof(unsigned)*8)) | *p++;
	while (--sz > 0);
	return r;
}
#endif  /* FEATURE_STAT_FILESYSTEM */

#if ENABLE_FEATURE_STAT_FORMAT
static void strcatc(char *str, char c)
{
	int len = strlen(str);
	str[len++] = c;
	str[len] = '\0';
}

static void printfs(char *pformat, const char *msg)
{
	strcatc(pformat, 's');
	printf(pformat, msg);
}

#if ENABLE_FEATURE_STAT_FILESYSTEM
/* print statfs info */
static void FAST_FUNC print_statfs(char *pformat, const char m,
		const char *const filename, const void *data
		IF_SELINUX(, security_context_t scontext))
{
	const struct statfs *statfsbuf = data;
	if (m == 'n') {
		printfs(pformat, filename);
	} else if (m == 'i') {
		strcat(pformat, "llx");
		printf(pformat, get_f_fsid(statfsbuf));
	} else if (m == 'l') {
		strcat(pformat, "lu");
		printf(pformat, (unsigned long) statfsbuf->f_namelen);
	} else if (m == 't') {
		strcat(pformat, "lx");
		printf(pformat, (unsigned long) statfsbuf->f_type); /* no equiv */
	} else if (m == 'T') {
		printfs(pformat, human_fstype(statfsbuf->f_type));
	} else if (m == 'b') {
		strcat(pformat, "llu");
		printf(pformat, (unsigned long long) statfsbuf->f_blocks);
	} else if (m == 'f') {
		strcat(pformat, "llu");
		printf(pformat, (unsigned long long) statfsbuf->f_bfree);
	} else if (m == 'a') {
		strcat(pformat, "llu");
		printf(pformat, (unsigned long long) statfsbuf->f_bavail);
	} else if (m == 's' || m == 'S') {
		strcat(pformat, "lu");
		printf(pformat, (unsigned long) statfsbuf->f_bsize);
	} else if (m == 'c') {
		strcat(pformat, "llu");
		printf(pformat, (unsigned long long) statfsbuf->f_files);
	} else if (m == 'd') {
		strcat(pformat, "llu");
		printf(pformat, (unsigned long long) statfsbuf->f_ffree);
# if ENABLE_SELINUX
	} else if (m == 'C' && (option_mask32 & OPT_SELINUX)) {
		printfs(pformat, scontext);
# endif
	} else {
		strcatc(pformat, 'c');
		printf(pformat, m);
	}
}
#endif

/* print stat info */
static void FAST_FUNC print_stat(char *pformat, const char m,
		const char *const filename, const void *data
		IF_SELINUX(, security_context_t scontext))
{
#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
	struct stat *statbuf = (struct stat *) data;
	struct passwd *pw_ent;
	struct group *gw_ent;

	if (m == 'n') {
		printfs(pformat, filename);
	} else if (m == 'N') {
		strcatc(pformat, 's');
		if (S_ISLNK(statbuf->st_mode)) {
			char *linkname = xmalloc_readlink_or_warn(filename);
			if (linkname == NULL)
				return;
			printf("'%s' -> '%s'", filename, linkname);
			free(linkname);
		} else {
			printf(pformat, filename);
		}
	} else if (m == 'd') {
		strcat(pformat, "llu");
		printf(pformat, (unsigned long long) statbuf->st_dev);
	} else if (m == 'D') {
		strcat(pformat, "llx");
		printf(pformat, (unsigned long long) statbuf->st_dev);
	} else if (m == 'i') {
		strcat(pformat, "llu");
		printf(pformat, (unsigned long long) statbuf->st_ino);
	} else if (m == 'a') {
		strcat(pformat, "lo");
		printf(pformat, (unsigned long) (statbuf->st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)));
	} else if (m == 'A') {
		printfs(pformat, bb_mode_string(statbuf->st_mode));
	} else if (m == 'f') {
		strcat(pformat, "lx");
		printf(pformat, (unsigned long) statbuf->st_mode);
	} else if (m == 'F') {
		printfs(pformat, file_type(statbuf));
	} else if (m == 'h') {
		strcat(pformat, "lu");
		printf(pformat, (unsigned long) statbuf->st_nlink);
	} else if (m == 'u') {
		strcat(pformat, "lu");
		printf(pformat, (unsigned long) statbuf->st_uid);
	} else if (m == 'U') {
		pw_ent = getpwuid(statbuf->st_uid);
		printfs(pformat, (pw_ent != NULL) ? pw_ent->pw_name : "UNKNOWN");
	} else if (m == 'g') {
		strcat(pformat, "lu");
		printf(pformat, (unsigned long) statbuf->st_gid);
	} else if (m == 'G') {
		gw_ent = getgrgid(statbuf->st_gid);
		printfs(pformat, (gw_ent != NULL) ? gw_ent->gr_name : "UNKNOWN");
	} else if (m == 't') {
		strcat(pformat, "lx");
		printf(pformat, (unsigned long) major(statbuf->st_rdev));
	} else if (m == 'T') {
		strcat(pformat, "lx");
		printf(pformat, (unsigned long) minor(statbuf->st_rdev));
	} else if (m == 's') {
		strcat(pformat, "llu");
		printf(pformat, (unsigned long long) statbuf->st_size);
	} else if (m == 'B') {
		strcat(pformat, "lu");
		printf(pformat, (unsigned long) 512); //ST_NBLOCKSIZE
	} else if (m == 'b') {
		strcat(pformat, "llu");
		printf(pformat, (unsigned long long) statbuf->st_blocks);
	} else if (m == 'o') {
		strcat(pformat, "lu");
		printf(pformat, (unsigned long) statbuf->st_blksize);
	} else if (m == 'x') {
		printfs(pformat, human_time(statbuf->st_atime));
	} else if (m == 'X') {
		strcat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu");
		/* note: (unsigned long) would be wrong:
		 * imagine (unsigned long64)int32 */
		printf(pformat, (long) statbuf->st_atime);
	} else if (m == 'y') {
		printfs(pformat, human_time(statbuf->st_mtime));
	} else if (m == 'Y') {
		strcat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu");
		printf(pformat, (long) statbuf->st_mtime);
	} else if (m == 'z') {
		printfs(pformat, human_time(statbuf->st_ctime));
	} else if (m == 'Z') {
		strcat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu");
		printf(pformat, (long) statbuf->st_ctime);
# if ENABLE_SELINUX
	} else if (m == 'C' && (option_mask32 & OPT_SELINUX)) {
		printfs(pformat, scontext);
# endif
	} else {
		strcatc(pformat, 'c');
		printf(pformat, m);
	}
}

static void print_it(const char *masterformat,
		const char *filename,
		void FAST_FUNC (*print_func)(char*, char, const char*, const void* IF_SELINUX(, security_context_t scontext)),
		const void *data
		IF_SELINUX(, security_context_t scontext))
{
	/* Create a working copy of the format string */
	char *format = xstrdup(masterformat);
	/* Add 2 to accommodate our conversion of the stat '%s' format string
	 * to the printf '%llu' one.  */
	char *dest = xmalloc(strlen(format) + 2 + 1);
	char *b;

	b = format;
	while (b) {
		/* Each iteration finds next %spec,
		 * prints preceding string and handles found %spec
		 */
		size_t len;
		char *p = strchr(b, '%');
		if (!p) {
			/* coreutils 6.3 always prints newline at the end */
			/*fputs(b, stdout);*/
			puts(b);
			break;
		}

		/* dest = "%<modifiers>" */
		len = 1 + strspn(p + 1, "#-+.I 0123456789");
		memcpy(dest, p, len);
		dest[len] = '\0';

		/* print preceding string */
		*p = '\0';
		fputs(b, stdout);

		p += len;
		b = p + 1;
		switch (*p) {
		case '\0':
			b = NULL;
			/* fall through */
		case '%':
			bb_putchar('%');
			break;
		default:
			/* Completes "%<modifiers>" with specifier and printfs */
			print_func(dest, *p, filename, data IF_SELINUX(,scontext));
			break;
		}
	}

	free(format);
	free(dest);
}
#endif  /* FEATURE_STAT_FORMAT */

#if ENABLE_FEATURE_STAT_FILESYSTEM
/* Stat the file system and print what we find.  */
#if !ENABLE_FEATURE_STAT_FORMAT
#define do_statfs(filename, format) do_statfs(filename)
#endif
static bool do_statfs(const char *filename, const char *format)
{
	struct statfs statfsbuf;
#if !ENABLE_FEATURE_STAT_FORMAT
	const char *format;
#endif
#if ENABLE_SELINUX
	security_context_t scontext = NULL;

	if (option_mask32 & OPT_SELINUX) {
		if ((option_mask32 & OPT_DEREFERENCE
		     ? lgetfilecon(filename, &scontext)
		     : getfilecon(filename, &scontext)
		    ) < 0
		) {
			bb_simple_perror_msg(filename);
			return 0;
		}
	}
#endif
	if (statfs(filename, &statfsbuf) != 0) {
		bb_perror_msg("can't read file system information for '%s'", filename);
		return 0;
	}

#if ENABLE_FEATURE_STAT_FORMAT
	if (format == NULL) {
# if !ENABLE_SELINUX
		format = (option_mask32 & OPT_TERSE
			? "%n %i %l %t %s %b %f %a %c %d\n"
			: "  File: \"%n\"\n"
			  "    ID: %-8i Namelen: %-7l Type: %T\n"
			  "Block size: %-10s\n"
			  "Blocks: Total: %-10b Free: %-10f Available: %a\n"
			  "Inodes: Total: %-10c Free: %d");
# else
		format = (option_mask32 & OPT_TERSE
			? (option_mask32 & OPT_SELINUX ? "%n %i %l %t %s %b %f %a %c %d %C\n":
			"%n %i %l %t %s %b %f %a %c %d\n")
			: (option_mask32 & OPT_SELINUX ?
			"  File: \"%n\"\n"
			"    ID: %-8i Namelen: %-7l Type: %T\n"
			"Block size: %-10s\n"
			"Blocks: Total: %-10b Free: %-10f Available: %a\n"
			"Inodes: Total: %-10c Free: %d"
			"  S_context: %C\n":
			"  File: \"%n\"\n"
			"    ID: %-8i Namelen: %-7l Type: %T\n"
			"Block size: %-10s\n"
			"Blocks: Total: %-10b Free: %-10f Available: %a\n"
			"Inodes: Total: %-10c Free: %d\n")
			);
# endif /* SELINUX */
	}
	print_it(format, filename, print_statfs, &statfsbuf IF_SELINUX(, scontext));
#else /* FEATURE_STAT_FORMAT */
	format = (option_mask32 & OPT_TERSE
		? "%s %llx %lu "
		: "  File: \"%s\"\n"
		  "    ID: %-8llx Namelen: %-7lu ");
	printf(format,
	       filename,
	       get_f_fsid(&statfsbuf),
	       statfsbuf.f_namelen);

	if (option_mask32 & OPT_TERSE)
		printf("%lx ", (unsigned long) statfsbuf.f_type);
	else
		printf("Type: %s\n", human_fstype(statfsbuf.f_type));

# if !ENABLE_SELINUX
	format = (option_mask32 & OPT_TERSE
		? "%lu %llu %llu %llu %llu %llu\n"
		: "Block size: %-10lu\n"
		  "Blocks: Total: %-10llu Free: %-10llu Available: %llu\n"
		  "Inodes: Total: %-10llu Free: %llu\n");
	printf(format,
	       (unsigned long) statfsbuf.f_bsize,
	       (unsigned long long) statfsbuf.f_blocks,
	       (unsigned long long) statfsbuf.f_bfree,
	       (unsigned long long) statfsbuf.f_bavail,
	       (unsigned long long) statfsbuf.f_files,
	       (unsigned long long) statfsbuf.f_ffree);
# else
	format = (option_mask32 & OPT_TERSE
		? (option_mask32 & OPT_SELINUX ? "%lu %llu %llu %llu %llu %llu %C\n" : "%lu %llu %llu %llu %llu %llu\n")
		: (option_mask32 & OPT_SELINUX
			?	"Block size: %-10lu\n"
				"Blocks: Total: %-10llu Free: %-10llu Available: %llu\n"
				"Inodes: Total: %-10llu Free: %llu"
				"S_context: %C\n"
			:	"Block size: %-10lu\n"
				"Blocks: Total: %-10llu Free: %-10llu Available: %llu\n"
				"Inodes: Total: %-10llu Free: %llu\n"
			)
		);
	printf(format,
		(unsigned long) statfsbuf.f_bsize,
		(unsigned long long) statfsbuf.f_blocks,
		(unsigned long long) statfsbuf.f_bfree,
		(unsigned long long) statfsbuf.f_bavail,
		(unsigned long long) statfsbuf.f_files,
		(unsigned long long) statfsbuf.f_ffree,
		scontext);

	if (scontext)
		freecon(scontext);
# endif
#endif  /* FEATURE_STAT_FORMAT */
	return 1;
}
#endif  /* FEATURE_STAT_FILESYSTEM */

/* stat the file and print what we find */
#if !ENABLE_FEATURE_STAT_FORMAT
#define do_stat(filename, format) do_stat(filename)
#endif
static bool do_stat(const char *filename, const char *format)
{
	struct stat statbuf;
#if ENABLE_SELINUX
	security_context_t scontext = NULL;

	if (option_mask32 & OPT_SELINUX) {
		if ((option_mask32 & OPT_DEREFERENCE
		     ? lgetfilecon(filename, &scontext)
		     : getfilecon(filename, &scontext)
		    ) < 0
		) {
			bb_simple_perror_msg(filename);
			return 0;
		}
	}
#endif
	if ((option_mask32 & OPT_DEREFERENCE ? stat : lstat) (filename, &statbuf) != 0) {
		bb_perror_msg("can't stat '%s'", filename);
		return 0;
	}

#if ENABLE_FEATURE_STAT_FORMAT
	if (format == NULL) {
# if !ENABLE_SELINUX
		if (option_mask32 & OPT_TERSE) {
			format = "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o";
		} else {
			if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode)) {
				format =
					"  File: %N\n"
					"  Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
					"Device: %Dh/%dd\tInode: %-10i  Links: %-5h"
					" Device type: %t,%T\n"
					"Access: (%04a/%10.10A)  Uid: (%5u/%8U)   Gid: (%5g/%8G)\n"
					"Access: %x\n" "Modify: %y\n" "Change: %z\n";
			} else {
				format =
					"  File: %N\n"
					"  Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
					"Device: %Dh/%dd\tInode: %-10i  Links: %h\n"
					"Access: (%04a/%10.10A)  Uid: (%5u/%8U)   Gid: (%5g/%8G)\n"
					"Access: %x\n" "Modify: %y\n" "Change: %z\n";
			}
		}
# else
		if (option_mask32 & OPT_TERSE) {
			format = (option_mask32 & OPT_SELINUX ?
				"%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o %C\n"
				:
				"%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o\n"
				);
		} else {
			if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode)) {
				format = (option_mask32 & OPT_SELINUX ?
					"  File: %N\n"
					"  Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
					"Device: %Dh/%dd\tInode: %-10i  Links: %-5h"
					" Device type: %t,%T\n"
					"Access: (%04a/%10.10A)  Uid: (%5u/%8U)   Gid: (%5g/%8G)\n"
					"   S_Context: %C\n"
					"Access: %x\n" "Modify: %y\n" "Change: %z\n"
					:
					"  File: %N\n"
					"  Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
					"Device: %Dh/%dd\tInode: %-10i  Links: %-5h"
					" Device type: %t,%T\n"
					"Access: (%04a/%10.10A)  Uid: (%5u/%8U)   Gid: (%5g/%8G)\n"
					"Access: %x\n" "Modify: %y\n" "Change: %z\n"
					);
			} else {
				format = (option_mask32 & OPT_SELINUX ?
					"  File: %N\n"
					"  Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
					"Device: %Dh/%dd\tInode: %-10i  Links: %h\n"
					"Access: (%04a/%10.10A)  Uid: (%5u/%8U)   Gid: (%5g/%8G)\n"
					"S_Context: %C\n"
					"Access: %x\n" "Modify: %y\n" "Change: %z\n"
					:
					"  File: %N\n"
					"  Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
					"Device: %Dh/%dd\tInode: %-10i  Links: %h\n"
					"Access: (%04a/%10.10A)  Uid: (%5u/%8U)   Gid: (%5g/%8G)\n"
					"Access: %x\n" "Modify: %y\n" "Change: %z\n"
					);
			}
		}
# endif
	}
	print_it(format, filename, print_stat, &statbuf IF_SELINUX(, scontext));
#else	/* FEATURE_STAT_FORMAT */
	if (option_mask32 & OPT_TERSE) {
		printf("%s %llu %llu %lx %lu %lu %llx %llu %lu %lx %lx %lu %lu %lu %lu"
		       IF_NOT_SELINUX("\n"),
		       filename,
		       (unsigned long long) statbuf.st_size,
		       (unsigned long long) statbuf.st_blocks,
		       (unsigned long) statbuf.st_mode,
		       (unsigned long) statbuf.st_uid,
		       (unsigned long) statbuf.st_gid,
		       (unsigned long long) statbuf.st_dev,
		       (unsigned long long) statbuf.st_ino,
		       (unsigned long) statbuf.st_nlink,
		       (unsigned long) major(statbuf.st_rdev),
		       (unsigned long) minor(statbuf.st_rdev),
		       (unsigned long) statbuf.st_atime,
		       (unsigned long) statbuf.st_mtime,
		       (unsigned long) statbuf.st_ctime,
		       (unsigned long) statbuf.st_blksize
		);
# if ENABLE_SELINUX
		if (option_mask32 & OPT_SELINUX)
			printf(" %s\n", scontext);
		else
			bb_putchar('\n');
# endif
	} else {
		char *linkname = NULL;
		struct passwd *pw_ent;
		struct group *gw_ent;

		gw_ent = getgrgid(statbuf.st_gid);
		pw_ent = getpwuid(statbuf.st_uid);

		if (S_ISLNK(statbuf.st_mode))
			linkname = xmalloc_readlink_or_warn(filename);
		if (linkname) {
			printf("  File: '%s' -> '%s'\n", filename, linkname);
			free(linkname);
		} else {
			printf("  File: '%s'\n", filename);
		}

		printf("  Size: %-10llu\tBlocks: %-10llu IO Block: %-6lu %s\n"
		       "Device: %llxh/%llud\tInode: %-10llu  Links: %-5lu",
		       (unsigned long long) statbuf.st_size,
		       (unsigned long long) statbuf.st_blocks,
		       (unsigned long) statbuf.st_blksize,
		       file_type(&statbuf),
		       (unsigned long long) statbuf.st_dev,
		       (unsigned long long) statbuf.st_dev,
		       (unsigned long long) statbuf.st_ino,
		       (unsigned long) statbuf.st_nlink);
		if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode))
			printf(" Device type: %lx,%lx\n",
			       (unsigned long) major(statbuf.st_rdev),
			       (unsigned long) minor(statbuf.st_rdev));
		else
			bb_putchar('\n');
		printf("Access: (%04lo/%10.10s)  Uid: (%5lu/%8s)   Gid: (%5lu/%8s)\n",
		       (unsigned long) (statbuf.st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)),
		       bb_mode_string(statbuf.st_mode),
		       (unsigned long) statbuf.st_uid,
		       (pw_ent != NULL) ? pw_ent->pw_name : "UNKNOWN",
		       (unsigned long) statbuf.st_gid,
		       (gw_ent != NULL) ? gw_ent->gr_name : "UNKNOWN");
# if ENABLE_SELINUX
		if (option_mask32 & OPT_SELINUX)
			printf("   S_Context: %s\n", scontext);
# endif
		printf("Access: %s\n", human_time(statbuf.st_atime));
		printf("Modify: %s\n", human_time(statbuf.st_mtime));
		printf("Change: %s\n", human_time(statbuf.st_ctime));
	}
#endif  /* FEATURE_STAT_FORMAT */
	return 1;
}

int stat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int stat_main(int argc UNUSED_PARAM, char **argv)
{
	IF_FEATURE_STAT_FORMAT(char *format = NULL;)
	int i;
	int ok;
	unsigned opts;
	statfunc_ptr statfunc = do_stat;

	opt_complementary = "-1"; /* min one arg */
	opts = getopt32(argv, "tL"
		IF_FEATURE_STAT_FILESYSTEM("f")
		IF_SELINUX("Z")
		IF_FEATURE_STAT_FORMAT("c:", &format)
	);
#if ENABLE_FEATURE_STAT_FILESYSTEM
	if (opts & OPT_FILESYS) /* -f */
		statfunc = do_statfs;
#endif
#if ENABLE_SELINUX
	if (opts & OPT_SELINUX) {
		selinux_or_die();
	}
#endif
	ok = 1;
	argv += optind;
	for (i = 0; argv[i]; ++i)
		ok &= statfunc(argv[i] IF_FEATURE_STAT_FORMAT(, format));

	return (ok ? EXIT_SUCCESS : EXIT_FAILURE);
}