1 /* du -- summarize disk usage
2 Copyright (C) 1988-1991, 1995-2010 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Differences from the Unix du:
18 * Doesn't simply ignore the names of regular files given as arguments
21 By tege@sics.se, Torbjorn Granlund,
22 and djm@ai.mit.edu, David MacKenzie.
23 Variable blocks added by lm@sgi.com and eggert@twinsun.com.
24 Rewritten to use nftw, then to use fts by Jim Meyering. */
28 #include <sys/types.h>
32 #include "argv-iter.h"
36 #include "fprintftime.h"
41 #include "stat-time.h"
46 extern bool fts_debug
;
48 /* The official name of this program (e.g., no `g' prefix). */
49 #define PROGRAM_NAME "du"
52 proper_name_utf8 ("Torbjorn Granlund", "Torbj\303\266rn Granlund"), \
53 proper_name ("David MacKenzie"), \
54 proper_name ("Paul Eggert"), \
55 proper_name ("Jim Meyering")
58 # define FTS_CROSS_CHECK(Fts) fts_cross_check (Fts)
60 # define FTS_CROSS_CHECK(Fts)
63 /* A set of dev/ino pairs. */
64 static struct di_set
*di_set
;
66 /* Define a class for collecting directory information. */
70 /* Size of files in directory. */
73 /* Latest time stamp found. If tmax.tv_sec == TYPE_MINIMUM (time_t)
74 && tmax.tv_nsec < 0, no time stamp has been found. */
78 /* Initialize directory data. */
80 duinfo_init (struct duinfo
*a
)
83 a
->tmax
.tv_sec
= TYPE_MINIMUM (time_t);
87 /* Set directory data. */
89 duinfo_set (struct duinfo
*a
, uintmax_t size
, struct timespec tmax
)
95 /* Accumulate directory data. */
97 duinfo_add (struct duinfo
*a
, struct duinfo
const *b
)
100 if (timespec_cmp (a
->tmax
, b
->tmax
) < 0)
104 /* A structure for per-directory level information. */
107 /* Entries in this directory. */
110 /* Total for subdirectories. */
111 struct duinfo subdir
;
114 /* If true, display counts for all files, not just directories. */
115 static bool opt_all
= false;
117 /* If true, rather than using the disk usage of each file,
118 use the apparent size (a la stat.st_size). */
119 static bool apparent_size
= false;
121 /* If true, count each hard link of files with multiple links. */
122 static bool opt_count_all
= false;
124 /* If true, hash all files to look for hard links. */
125 static bool hash_all
;
127 /* If true, output the NUL byte instead of a newline at the end of each line. */
128 static bool opt_nul_terminate_output
= false;
130 /* If true, print a grand total at the end. */
131 static bool print_grand_total
= false;
133 /* If nonzero, do not add sizes of subdirectories. */
134 static bool opt_separate_dirs
= false;
136 /* Show the total for each directory (and file if --all) that is at
137 most MAX_DEPTH levels down from the root of the hierarchy. The root
138 is at level 0, so `du --max-depth=0' is equivalent to `du -s'. */
139 static size_t max_depth
= SIZE_MAX
;
141 /* Human-readable options for output. */
142 static int human_output_opts
;
144 /* If true, print most recently modified date, using the specified format. */
145 static bool opt_time
= false;
147 /* Type of time to display. controlled by --time. */
151 time_mtime
, /* default */
156 static enum time_type time_type
= time_mtime
;
158 /* User specified date / time style */
159 static char const *time_style
= NULL
;
161 /* Format used to display date / time. Controlled by --time-style */
162 static char const *time_format
= NULL
;
164 /* The units to use when printing sizes. */
165 static uintmax_t output_block_size
;
167 /* File name patterns to exclude. */
168 static struct exclude
*exclude
;
170 /* Grand total size of all args, in bytes. Also latest modified date. */
171 static struct duinfo tot_dui
;
173 #define IS_DIR_TYPE(Type) \
175 || (Type) == FTS_DNR)
177 /* For long options that have no equivalent short option, use a
178 non-character as a pseudo short option, starting with CHAR_MAX + 1. */
181 APPARENT_SIZE_OPTION
= CHAR_MAX
+ 1,
190 static struct option
const long_options
[] =
192 {"all", no_argument
, NULL
, 'a'},
193 {"apparent-size", no_argument
, NULL
, APPARENT_SIZE_OPTION
},
194 {"block-size", required_argument
, NULL
, 'B'},
195 {"bytes", no_argument
, NULL
, 'b'},
196 {"count-links", no_argument
, NULL
, 'l'},
197 /* {"-debug", no_argument, NULL, FTS_DEBUG}, */
198 {"dereference", no_argument
, NULL
, 'L'},
199 {"dereference-args", no_argument
, NULL
, 'D'},
200 {"exclude", required_argument
, NULL
, EXCLUDE_OPTION
},
201 {"exclude-from", required_argument
, NULL
, 'X'},
202 {"files0-from", required_argument
, NULL
, FILES0_FROM_OPTION
},
203 {"human-readable", no_argument
, NULL
, 'h'},
204 {"si", no_argument
, NULL
, HUMAN_SI_OPTION
},
205 {"max-depth", required_argument
, NULL
, 'd'},
206 {"null", no_argument
, NULL
, '0'},
207 {"no-dereference", no_argument
, NULL
, 'P'},
208 {"one-file-system", no_argument
, NULL
, 'x'},
209 {"separate-dirs", no_argument
, NULL
, 'S'},
210 {"summarize", no_argument
, NULL
, 's'},
211 {"total", no_argument
, NULL
, 'c'},
212 {"time", optional_argument
, NULL
, TIME_OPTION
},
213 {"time-style", required_argument
, NULL
, TIME_STYLE_OPTION
},
214 {GETOPT_HELP_OPTION_DECL
},
215 {GETOPT_VERSION_OPTION_DECL
},
219 static char const *const time_args
[] =
221 "atime", "access", "use", "ctime", "status", NULL
223 static enum time_type
const time_types
[] =
225 time_atime
, time_atime
, time_atime
, time_ctime
, time_ctime
227 ARGMATCH_VERIFY (time_args
, time_types
);
229 /* `full-iso' uses full ISO-style dates and times. `long-iso' uses longer
230 ISO-style time stamps, though shorter than `full-iso'. `iso' uses shorter
231 ISO-style time stamps. */
234 full_iso_time_style
, /* --time-style=full-iso */
235 long_iso_time_style
, /* --time-style=long-iso */
236 iso_time_style
/* --time-style=iso */
239 static char const *const time_style_args
[] =
241 "full-iso", "long-iso", "iso", NULL
243 static enum time_style
const time_style_types
[] =
245 full_iso_time_style
, long_iso_time_style
, iso_time_style
247 ARGMATCH_VERIFY (time_style_args
, time_style_types
);
252 if (status
!= EXIT_SUCCESS
)
253 fprintf (stderr
, _("Try `%s --help' for more information.\n"),
258 Usage: %s [OPTION]... [FILE]...\n\
259 or: %s [OPTION]... --files0-from=F\n\
260 "), program_name
, program_name
);
262 Summarize disk usage of each FILE, recursively for directories.\n\
266 Mandatory arguments to long options are mandatory for short options too.\n\
269 -a, --all write counts for all files, not just directories\n\
270 --apparent-size print apparent sizes, rather than disk usage; although\n\
271 the apparent size is usually smaller, it may be\n\
272 larger due to holes in (`sparse') files, internal\n\
273 fragmentation, indirect blocks, and the like\n\
276 -B, --block-size=SIZE scale sizes by SIZE before printing them. E.g.,\n\
277 `-BM' prints sizes in units of 1,048,576 bytes.\n\
278 See SIZE format below.\n\
279 -b, --bytes equivalent to `--apparent-size --block-size=1'\n\
280 -c, --total produce a grand total\n\
281 -D, --dereference-args dereference only symlinks that are listed on the\n\
285 --files0-from=F summarize disk usage of the NUL-terminated file\n\
286 names specified in file F;\n\
287 If F is - then read names from standard input\n\
288 -H equivalent to --dereference-args (-D)\n\
289 -h, --human-readable print sizes in human readable format (e.g., 1K 234M 2G)\n\
290 --si like -h, but use powers of 1000 not 1024\n\
293 -k like --block-size=1K\n\
294 -l, --count-links count sizes many times if hard linked\n\
295 -m like --block-size=1M\n\
298 -L, --dereference dereference all symbolic links\n\
299 -P, --no-dereference don't follow any symbolic links (this is the default)\n\
300 -0, --null end each output line with 0 byte rather than newline\n\
301 -S, --separate-dirs do not include size of subdirectories\n\
302 -s, --summarize display only a total for each argument\n\
305 -x, --one-file-system skip directories on different file systems\n\
306 -X, --exclude-from=FILE exclude files that match any pattern in FILE\n\
307 --exclude=PATTERN exclude files that match PATTERN\n\
308 -d, --max-depth=N print the total for a directory (or file, with --all)\n\
309 only if it is N or fewer levels below the command\n\
310 line argument; --max-depth=0 is the same as\n\
314 --time show time of the last modification of any file in the\n\
315 directory, or any of its subdirectories\n\
316 --time=WORD show time as WORD instead of modification time:\n\
317 atime, access, use, ctime or status\n\
318 --time-style=STYLE show times using style STYLE:\n\
319 full-iso, long-iso, iso, +FORMAT\n\
320 FORMAT is interpreted like `date'\n\
322 fputs (HELP_OPTION_DESCRIPTION
, stdout
);
323 fputs (VERSION_OPTION_DESCRIPTION
, stdout
);
324 emit_blocksize_note ("DU");
326 emit_ancillary_info ();
331 /* Try to insert the INO/DEV pair into the global table, HTAB.
332 Return true if the pair is successfully inserted,
333 false if the pair is already in the table. */
335 hash_ins (ino_t ino
, dev_t dev
)
337 int inserted
= di_set_insert (di_set
, dev
, ino
);
343 /* FIXME: this code is nearly identical to code in date.c */
344 /* Display the date and time in WHEN according to the format specified
348 show_date (const char *format
, struct timespec when
)
350 struct tm
*tm
= localtime (&when
.tv_sec
);
353 char buf
[INT_BUFSIZE_BOUND (intmax_t)];
354 char *when_str
= timetostr (when
.tv_sec
, buf
);
355 error (0, 0, _("time %s is out of range"), when_str
);
356 fputs (when_str
, stdout
);
360 fprintftime (stdout
, format
, tm
, 0, when
.tv_nsec
);
363 /* Print N_BYTES. Convert it to a readable value before printing. */
366 print_only_size (uintmax_t n_bytes
)
368 char buf
[LONGEST_HUMAN_READABLE
+ 1];
369 fputs (human_readable (n_bytes
, buf
, human_output_opts
,
370 1, output_block_size
), stdout
);
373 /* Print size (and optionally time) indicated by *PDUI, followed by STRING. */
376 print_size (const struct duinfo
*pdui
, const char *string
)
378 print_only_size (pdui
->size
);
382 show_date (time_format
, pdui
->tmax
);
384 printf ("\t%s%c", string
, opt_nul_terminate_output
? '\0' : '\n');
388 /* This function is called once for every file system object that fts
389 encounters. fts does a depth-first traversal. This function knows
390 that and accumulates per-directory totals based on changes in
391 the depth of the current entry. It returns true on success. */
394 process_file (FTS
*fts
, FTSENT
*ent
)
398 struct duinfo dui_to_print
;
400 static size_t prev_level
;
401 static size_t n_alloc
;
402 /* First element of the structure contains:
403 The sum of the st_size values of all entries in the single directory
404 at the corresponding level. Although this does include the st_size
405 corresponding to each subdirectory, it does not include the size of
406 any file in a subdirectory. Also corresponding last modified date.
407 Second element of the structure contains:
408 The sum of the sizes of all entries in the hierarchy at or below the
409 directory at the specified level. */
410 static struct dulevel
*dulvl
;
412 const char *file
= ent
->fts_path
;
413 const struct stat
*sb
= ent
->fts_statp
;
414 int info
= ent
->fts_info
;
418 /* An error occurred, but the size is known, so count it. */
419 error (0, ent
->fts_errno
, _("cannot read directory %s"), quote (file
));
422 else if (info
!= FTS_DP
)
424 bool excluded
= excluded_file_name (exclude
, file
);
427 /* Make the stat buffer *SB valid, or fail noisily. */
429 if (info
== FTS_NSOK
)
431 fts_set (fts
, ent
, FTS_AGAIN
);
432 FTSENT
const *e
= fts_read (fts
);
434 info
= ent
->fts_info
;
437 if (info
== FTS_NS
|| info
== FTS_SLNONE
)
439 error (0, ent
->fts_errno
, _("cannot access %s"), quote (file
));
446 && (hash_all
|| (! S_ISDIR (sb
->st_mode
) && 1 < sb
->st_nlink
))
447 && ! hash_ins (sb
->st_ino
, sb
->st_dev
)))
449 /* If ignoring a directory in preorder, skip its children.
450 Ignore the next fts_read output too, as it's a postorder
451 visit to the same directory. */
454 fts_set (fts
, ent
, FTS_SKIP
);
455 FTSENT
const *e
= fts_read (fts
);
468 /* An error occurred, but the size is known, so count it. */
469 error (0, ent
->fts_errno
, "%s", quote (file
));
474 if (cycle_warning_required (fts
, ent
))
476 emit_cycle_warning (file
);
486 : (uintmax_t) ST_NBLOCKS (*sb
) * ST_NBLOCKSIZE
),
487 (time_type
== time_mtime
? get_stat_mtime (sb
)
488 : time_type
== time_atime
? get_stat_atime (sb
)
489 : get_stat_ctime (sb
)));
491 level
= ent
->fts_level
;
496 n_alloc
= level
+ 10;
497 dulvl
= xcalloc (n_alloc
, sizeof *dulvl
);
501 if (level
== prev_level
)
503 /* This is usually the most common case. Do nothing. */
505 else if (level
> prev_level
)
507 /* Descending the hierarchy.
508 Clear the accumulators for *all* levels between prev_level
509 and the current one. The depth may change dramatically,
510 e.g., from 1 to 10. */
513 if (n_alloc
<= level
)
515 dulvl
= xnrealloc (dulvl
, level
, 2 * sizeof *dulvl
);
519 for (i
= prev_level
+ 1; i
<= level
; i
++)
521 duinfo_init (&dulvl
[i
].ent
);
522 duinfo_init (&dulvl
[i
].subdir
);
525 else /* level < prev_level */
527 /* Ascending the hierarchy.
528 Process a directory only after all entries in that
529 directory have been processed. When the depth decreases,
530 propagate sums from the children (prev_level) to the parent.
531 Here, the current level is always one smaller than the
533 assert (level
== prev_level
- 1);
534 duinfo_add (&dui_to_print
, &dulvl
[prev_level
].ent
);
535 if (!opt_separate_dirs
)
536 duinfo_add (&dui_to_print
, &dulvl
[prev_level
].subdir
);
537 duinfo_add (&dulvl
[level
].subdir
, &dulvl
[prev_level
].ent
);
538 duinfo_add (&dulvl
[level
].subdir
, &dulvl
[prev_level
].subdir
);
544 /* Let the size of a directory entry contribute to the total for the
545 containing directory, unless --separate-dirs (-S) is specified. */
546 if (! (opt_separate_dirs
&& IS_DIR_TYPE (info
)))
547 duinfo_add (&dulvl
[level
].ent
, &dui
);
549 /* Even if this directory is unreadable or we can't chdir into it,
550 do let its size contribute to the total. */
551 duinfo_add (&tot_dui
, &dui
);
553 if ((IS_DIR_TYPE (info
) && level
<= max_depth
)
554 || ((opt_all
&& level
<= max_depth
) || level
== 0))
555 print_size (&dui_to_print
, file
);
560 /* Recursively print the sizes of the directories (and, if selected, files)
561 named in FILES, the last entry of which is NULL.
562 BIT_FLAGS controls how fts works.
563 Return true if successful. */
566 du_files (char **files
, int bit_flags
)
572 FTS
*fts
= xfts_open (files
, bit_flags
, NULL
);
578 ent
= fts_read (fts
);
583 /* FIXME: try to give a better message */
584 error (0, errno
, _("fts_read failed"));
589 FTS_CROSS_CHECK (fts
);
591 ok
&= process_file (fts
, ent
);
594 if (fts_close (fts
) != 0)
596 error (0, errno
, _("fts_close failed"));
605 main (int argc
, char **argv
)
608 bool max_depth_specified
= false;
610 char *files_from
= NULL
;
612 /* Bit flags that control how fts works. */
613 int bit_flags
= FTS_NOSTAT
;
615 /* Select one of the three FTS_ options that control if/when
616 to follow a symlink. */
617 int symlink_deref_bits
= FTS_PHYSICAL
;
619 /* If true, display only a total for each argument. */
620 bool opt_summarize_only
= false;
622 cwd_only
[0] = bad_cast (".");
625 initialize_main (&argc
, &argv
);
626 set_program_name (argv
[0]);
627 setlocale (LC_ALL
, "");
628 bindtextdomain (PACKAGE
, LOCALEDIR
);
629 textdomain (PACKAGE
);
631 atexit (close_stdout
);
633 exclude
= new_exclude ();
635 human_options (getenv ("DU_BLOCK_SIZE"),
636 &human_output_opts
, &output_block_size
);
641 int c
= getopt_long (argc
, argv
, "0abd:chHklmsxB:DLPSX:",
655 opt_nul_terminate_output
= true;
662 case APPARENT_SIZE_OPTION
:
663 apparent_size
= true;
667 apparent_size
= true;
668 human_output_opts
= 0;
669 output_block_size
= 1;
673 print_grand_total
= true;
677 human_output_opts
= human_autoscale
| human_SI
| human_base_1024
;
678 output_block_size
= 1;
681 case HUMAN_SI_OPTION
:
682 human_output_opts
= human_autoscale
| human_SI
;
683 output_block_size
= 1;
687 human_output_opts
= 0;
688 output_block_size
= 1024;
691 case 'd': /* --max-depth=N */
693 unsigned long int tmp_ulong
;
694 if (xstrtoul (optarg
, NULL
, 0, &tmp_ulong
, NULL
) == LONGINT_OK
695 && tmp_ulong
<= SIZE_MAX
)
697 max_depth_specified
= true;
698 max_depth
= tmp_ulong
;
702 error (0, 0, _("invalid maximum depth %s"),
710 human_output_opts
= 0;
711 output_block_size
= 1024 * 1024;
715 opt_count_all
= true;
719 opt_summarize_only
= true;
723 bit_flags
|= FTS_XDEV
;
728 enum strtol_error e
= human_options (optarg
, &human_output_opts
,
731 xstrtol_fatal (e
, oi
, c
, long_options
, optarg
);
735 case 'H': /* NOTE: before 2008-12, -H was equivalent to --si. */
737 symlink_deref_bits
= FTS_COMFOLLOW
| FTS_PHYSICAL
;
740 case 'L': /* --dereference */
741 symlink_deref_bits
= FTS_LOGICAL
;
744 case 'P': /* --no-dereference */
745 symlink_deref_bits
= FTS_PHYSICAL
;
749 opt_separate_dirs
= true;
753 if (add_exclude_file (add_exclude
, exclude
, optarg
,
754 EXCLUDE_WILDCARDS
, '\n'))
756 error (0, errno
, "%s", quotearg_colon (optarg
));
761 case FILES0_FROM_OPTION
:
766 add_exclude (exclude
, optarg
, EXCLUDE_WILDCARDS
);
773 ? XARGMATCH ("--time", optarg
, time_args
, time_types
)
777 case TIME_STYLE_OPTION
:
781 case_GETOPT_HELP_CHAR
;
783 case_GETOPT_VERSION_CHAR (PROGRAM_NAME
, AUTHORS
);
791 usage (EXIT_FAILURE
);
793 if (opt_all
&& opt_summarize_only
)
795 error (0, 0, _("cannot both summarize and show all entries"));
796 usage (EXIT_FAILURE
);
799 if (opt_summarize_only
&& max_depth_specified
&& max_depth
== 0)
802 _("warning: summarizing is the same as using --max-depth=0"));
805 if (opt_summarize_only
&& max_depth_specified
&& max_depth
!= 0)
807 unsigned long int d
= max_depth
;
808 error (0, 0, _("warning: summarizing conflicts with --max-depth=%lu"), d
);
809 usage (EXIT_FAILURE
);
812 if (opt_summarize_only
)
815 /* Process time style if printing last times. */
820 time_style
= getenv ("TIME_STYLE");
822 /* Ignore TIMESTYLE="locale", for compatibility with ls. */
823 if (! time_style
|| STREQ (time_style
, "locale"))
824 time_style
= "long-iso";
825 else if (*time_style
== '+')
827 /* Ignore anything after a newline, for compatibility
829 char *p
= strchr (time_style
, '\n');
835 /* Ignore "posix-" prefix, for compatibility with ls. */
836 static char const posix_prefix
[] = "posix-";
837 while (strncmp (time_style
, posix_prefix
, sizeof posix_prefix
- 1)
839 time_style
+= sizeof posix_prefix
- 1;
843 if (*time_style
== '+')
844 time_format
= time_style
+ 1;
847 switch (XARGMATCH ("time style", time_style
,
848 time_style_args
, time_style_types
))
850 case full_iso_time_style
:
851 time_format
= "%Y-%m-%d %H:%M:%S.%N %z";
854 case long_iso_time_style
:
855 time_format
= "%Y-%m-%d %H:%M";
859 time_format
= "%Y-%m-%d";
865 struct argv_iterator
*ai
;
868 /* When using --files0-from=F, you may not specify any files
869 on the command-line. */
872 error (0, 0, _("extra operand %s"), quote (argv
[optind
]));
873 fprintf (stderr
, "%s\n",
874 _("file operands cannot be combined with --files0-from"));
875 usage (EXIT_FAILURE
);
878 if (! (STREQ (files_from
, "-") || freopen (files_from
, "r", stdin
)))
879 error (EXIT_FAILURE
, errno
, _("cannot open %s for reading"),
882 ai
= argv_iter_init_stream (stdin
);
884 /* It's not easy here to count the arguments, so assume the
890 char **files
= (optind
< argc
? argv
+ optind
: cwd_only
);
891 ai
= argv_iter_init_argv (files
);
893 /* Hash all dev,ino pairs if there are multiple arguments, or if
894 following non-command-line symlinks, because in either case a
895 file with just one hard link might be seen more than once. */
896 hash_all
= (optind
+ 1 < argc
|| symlink_deref_bits
== FTS_LOGICAL
);
902 /* Initialize the set of dev,inode pairs. */
903 di_set
= di_set_alloc ();
907 /* If not hashing everything, process_file won't find cycles on its
908 own, so ask fts_read to check for them accurately. */
909 if (opt_count_all
|| ! hash_all
)
910 bit_flags
|= FTS_TIGHT_CYCLE_CHECK
;
912 bit_flags
|= symlink_deref_bits
;
913 static char *temp_argv
[] = { NULL
, NULL
};
917 bool skip_file
= false;
918 enum argv_iter_err ai_err
;
919 char *file_name
= argv_iter (ai
, &ai_err
);
920 if (ai_err
== AI_ERR_EOF
)
927 error (0, errno
, _("%s: read error"), quote (files_from
));
934 assert (!"unexpected error code from argv_iter");
937 if (files_from
&& STREQ (files_from
, "-") && STREQ (file_name
, "-"))
939 /* Give a better diagnostic in an unusual case:
940 printf - | du --files0-from=- */
941 error (0, 0, _("when reading file names from stdin, "
942 "no file name of %s allowed"),
947 /* Report and skip any empty file names before invoking fts.
948 This works around a glitch in fts, which fails immediately
949 (without looking at the other file names) when given an empty
953 /* Diagnose a zero-length file name. When it's one
954 among many, knowing the record number may help.
955 FIXME: currently print the record number only with
956 --files0-from=FILE. Maybe do it for argv, too? */
957 if (files_from
== NULL
)
958 error (0, 0, "%s", _("invalid zero-length file name"));
961 /* Using the standard `filename:line-number:' prefix here is
962 not totally appropriate, since NUL is the separator, not NL,
963 but it might be better than nothing. */
964 unsigned long int file_number
= argv_iter_n_args (ai
);
965 error (0, 0, "%s:%lu: %s", quotearg_colon (files_from
),
966 file_number
, _("invalid zero-length file name"));
975 temp_argv
[0] = file_name
;
976 ok
&= du_files (temp_argv
, bit_flags
);
981 di_set_free (di_set
);
983 if (files_from
&& (ferror (stdin
) || fclose (stdin
) != 0))
984 error (EXIT_FAILURE
, 0, _("error reading %s"), quote (files_from
));
986 if (print_grand_total
)
987 print_size (&tot_dui
, _("total"));
989 exit (ok
? EXIT_SUCCESS
: EXIT_FAILURE
);