2 Copyright (C) 1994 Miguel de Icaza.
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 2 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, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
19 #define DIR_H_INCLUDE_HANDLE_DIRENT
31 #include "../vfs/vfs.h"
33 /* If true show files starting with a dot */
34 int show_dot_files
= 1;
36 /* If true show files ending in ~ */
39 /* If false then directories are shown separately from files */
40 int mix_all_files
= 0;
43 static int reverse
= 1;
45 /* Are the files sorted case sensitively? */
46 static int case_sensitive
= OS_SORT_CASE_SENSITIVE_DEFAULT
;
48 #define MY_ISDIR(x) ( (S_ISDIR (x->buf.st_mode) || x->f.link_to_dir) ? 1 : 0)
50 sort_orders_t sort_orders
[SORT_TYPES_TOTAL
] = {
51 { N_("&Unsorted"), unsorted
},
52 { N_("&Name"), sort_name
},
53 { N_("&Extension"), sort_ext
},
54 { N_("&Modify time"), sort_time
},
55 { N_("&Access time"), sort_atime
},
56 { N_("&Change time"), sort_ctime
},
57 { N_("&Size"), sort_size
},
58 { N_("&Inode"), sort_inode
},
61 { N_("&Type"), sort_type
},
62 { N_("&Links"), sort_links
},
63 { N_("N&GID"), sort_ngid
},
64 { N_("N&UID"), sort_nuid
},
65 { N_("&Owner"), sort_owner
},
66 { N_("&Group"), sort_group
}
71 * g_strcasecmp() doesn't work well in some locales because it relies on
72 * the locale-specific toupper(). On the other hand, strcoll() is case
73 * sensitive in the "C" and "POSIX" locales, unlike other locales.
74 * Solution: always use strcmp() for case sensitive sort. For case
75 * insensitive sort use strcoll() if it's case insensitive for ASCII and
76 * g_strcasecmp() otherwise.
84 static int string_sortcomp (char *str1
, char *str2
)
86 static strcoll_status use_strcoll
= STRCOLL_TEST
;
89 return strcmp (str1
, str2
);
92 /* Initialize use_strcoll once. */
93 if (use_strcoll
== STRCOLL_TEST
) {
94 /* Only use strcoll() if it considers "B" between "a" and "c". */
95 if (strcoll ("a", "B") * strcoll ("B", "c") > 0) {
96 use_strcoll
= STRCOLL_YES
;
98 use_strcoll
= STRCOLL_NO
;
102 if (use_strcoll
== STRCOLL_NO
)
103 return g_strcasecmp (str1
, str2
);
105 return strcoll (str1
, str2
);
108 #define string_sortcomp(a,b) (case_sensitive ? strcmp (a,b) : g_strcasecmp (a,b))
112 unsorted (const file_entry
*a
, const file_entry
*b
)
118 sort_name (const file_entry
*a
, const file_entry
*b
)
120 int ad
= MY_ISDIR (a
);
121 int bd
= MY_ISDIR (b
);
123 if (ad
== bd
|| mix_all_files
)
124 return string_sortcomp (a
->fname
, b
->fname
) * reverse
;
129 sort_ext (const file_entry
*a
, const file_entry
*b
)
133 int ad
= MY_ISDIR (a
);
134 int bd
= MY_ISDIR (b
);
136 if (ad
== bd
|| mix_all_files
){
137 exta
= extension (a
->fname
);
138 extb
= extension (b
->fname
);
139 r
= string_sortcomp (exta
, extb
);
143 return sort_name (a
, b
);
149 sort_owner (const file_entry
*a
, const file_entry
*b
)
151 int ad
= MY_ISDIR (a
);
152 int bd
= MY_ISDIR (b
);
154 if (ad
== bd
|| mix_all_files
)
155 return string_sortcomp (get_owner (a
->buf
.st_uid
), get_owner (a
->buf
.st_uid
)) * reverse
;
160 sort_group (const file_entry
*a
, const file_entry
*b
)
162 int ad
= MY_ISDIR (a
);
163 int bd
= MY_ISDIR (b
);
165 if (ad
== bd
|| mix_all_files
)
166 return string_sortcomp (get_group (a
->buf
.st_gid
), get_group (a
->buf
.st_gid
)) * reverse
;
171 sort_time (const file_entry
*a
, const file_entry
*b
)
173 int ad
= MY_ISDIR (a
);
174 int bd
= MY_ISDIR (b
);
176 if (ad
== bd
|| mix_all_files
)
177 return (a
->buf
.st_mtime
- b
->buf
.st_mtime
) * reverse
;
183 sort_ctime (const file_entry
*a
, const file_entry
*b
)
185 int ad
= MY_ISDIR (a
);
186 int bd
= MY_ISDIR (b
);
188 if (ad
== bd
|| mix_all_files
)
189 return (a
->buf
.st_ctime
- b
->buf
.st_ctime
) * reverse
;
195 sort_atime (const file_entry
*a
, const file_entry
*b
)
197 int ad
= MY_ISDIR (a
);
198 int bd
= MY_ISDIR (b
);
200 if (ad
== bd
|| mix_all_files
)
201 return (a
->buf
.st_atime
- b
->buf
.st_atime
) * reverse
;
207 sort_inode (const file_entry
*a
, const file_entry
*b
)
209 int ad
= MY_ISDIR (a
);
210 int bd
= MY_ISDIR (b
);
212 if (ad
== bd
|| mix_all_files
)
213 return (a
->buf
.st_ino
- b
->buf
.st_ino
) * reverse
;
219 sort_size (const file_entry
*a
, const file_entry
*b
)
221 int ad
= MY_ISDIR (a
);
222 int bd
= MY_ISDIR (b
);
224 if (ad
== bd
|| mix_all_files
)
225 return (b
->buf
.st_size
- a
->buf
.st_size
) * reverse
;
231 sort_links (const file_entry
*a
, const file_entry
*b
)
233 int ad
= MY_ISDIR (a
);
234 int bd
= MY_ISDIR (b
);
236 if (ad
== bd
|| mix_all_files
)
237 return (b
->buf
.st_nlink
- a
->buf
.st_nlink
) * reverse
;
243 sort_ngid (const file_entry
*a
, const file_entry
*b
)
245 int ad
= MY_ISDIR (a
);
246 int bd
= MY_ISDIR (b
);
248 if (ad
== bd
|| mix_all_files
)
249 return (b
->buf
.st_gid
- a
->buf
.st_gid
) * reverse
;
255 sort_nuid (const file_entry
*a
, const file_entry
*b
)
257 int ad
= MY_ISDIR (a
);
258 int bd
= MY_ISDIR (b
);
260 if (ad
== bd
|| mix_all_files
)
261 return (b
->buf
.st_uid
- a
->buf
.st_uid
) * reverse
;
267 file_type_to_num (const file_entry
*fe
)
269 const struct stat
*s
= &fe
->buf
;
271 if (S_ISDIR (s
->st_mode
))
273 if (S_ISLNK (s
->st_mode
)){
274 if (fe
->f
.link_to_dir
)
276 if (fe
->f
.stale_link
)
281 if (S_ISSOCK (s
->st_mode
))
283 if (S_ISCHR (s
->st_mode
))
285 if (S_ISBLK (s
->st_mode
))
287 if (S_ISFIFO (s
->st_mode
))
289 if (is_exe (s
->st_mode
))
295 sort_type (const file_entry
*a
, const file_entry
*b
)
297 int aa
= file_type_to_num (a
);
298 int bb
= file_type_to_num (b
);
305 do_sort (dir_list
*list
, sortfn
*sort
, int top
, int reverse_f
, int case_sensitive_f
)
308 int dot_dot_found
= 0;
311 for (i
= 0; i
< top
+ 1; i
++) { /* put ".." first in list */
312 if (!strcmp (list
->list
[i
].fname
, "..")) {
314 if (i
> 0) { /* swap [i] and [0] */
315 memcpy (&tmp_fe
, &(list
->list
[0]), sizeof (file_entry
));
316 memcpy (&(list
->list
[0]), &(list
->list
[i
]), sizeof (file_entry
));
317 memcpy (&(list
->list
[i
]), &tmp_fe
, sizeof (file_entry
));
323 reverse
= reverse_f
? -1 : 1;
324 case_sensitive
= case_sensitive_f
;
325 qsort (&(list
->list
) [dot_dot_found
],
326 top
+ 1 - dot_dot_found
, sizeof (file_entry
), sort
);
330 clean_dir (dir_list
*list
, int count
)
334 for (i
= 0; i
< count
; i
++){
335 g_free (list
->list
[i
].fname
);
336 list
->list
[i
].fname
= 0;
341 add_dotdot_to_list (dir_list
*list
, int index
)
343 /* Need to grow the *list? */
344 if (index
== list
->size
) {
345 list
->list
= g_realloc (list
->list
, sizeof (file_entry
) *
346 (list
->size
+ RESIZE_STEPS
));
349 list
->size
+= RESIZE_STEPS
;
352 memset (&(list
->list
) [index
], 0, sizeof(file_entry
));
353 (list
->list
) [index
].fnamelen
= 2;
354 (list
->list
) [index
].fname
= g_strdup ("..");
355 (list
->list
) [index
].f
.link_to_dir
= 0;
356 (list
->list
) [index
].f
.stale_link
= 0;
357 (list
->list
) [index
].f
.dir_size_computed
= 0;
358 (list
->list
) [index
].f
.marked
= 0;
359 (list
->list
) [index
].buf
.st_mode
= 040755;
363 /* Used to set up a directory list when there is no access to a directory */
365 set_zero_dir (dir_list
*list
)
367 return (add_dotdot_to_list (list
, 0));
370 /* If you change handle_dirent then check also handle_path. */
371 /* Return values: -1 = failure, 0 = don't add, 1 = add to the list */
373 handle_dirent (dir_list
*list
, char *filter
, struct dirent
*dp
,
374 struct stat
*buf1
, int next_free
, int *link_to_dir
,
377 if (dp
->d_name
[0] == '.' && dp
->d_name
[1] == 0)
379 if (dp
->d_name
[0] == '.' && dp
->d_name
[1] == '.' && dp
->d_name
[2] == 0)
381 if (!show_dot_files
&& (dp
->d_name
[0] == '.'))
383 if (!show_backups
&& dp
->d_name
[NLENGTH (dp
)-1] == '~')
385 if (mc_lstat (dp
->d_name
, buf1
) == -1) {
386 message(1, MSG_ERROR
, _("File '%s' exists but can not be stat-ed: %s"), dp
->d_name
, strerror(errno
));
390 if (S_ISDIR (buf1
->st_mode
))
391 tree_store_mark_checked (dp
->d_name
);
393 /* A link to a file or a directory? */
396 if (S_ISLNK(buf1
->st_mode
)){
398 if (!mc_stat (dp
->d_name
, &buf2
))
399 *link_to_dir
= S_ISDIR(buf2
.st_mode
) != 0;
403 if (!(S_ISDIR(buf1
->st_mode
) || *link_to_dir
) && filter
&&
404 !regexp_match (filter
, dp
->d_name
, match_file
))
407 /* Need to grow the *list? */
408 if (next_free
== list
->size
){
409 list
->list
= g_realloc (list
->list
, sizeof (file_entry
) *
410 (list
->size
+ RESIZE_STEPS
));
413 list
->size
+= RESIZE_STEPS
;
418 /* handle_path is a simplified handle_dirent. The difference is that
419 handle_path doesn't pay attention to show_dot_files and show_backups.
420 Moreover handle_path can't be used with a filemask.
421 If you change handle_path then check also handle_dirent. */
422 /* Return values: -1 = failure, 0 = don't add, 1 = add to the list */
424 handle_path (dir_list
*list
, char *path
,
425 struct stat
*buf1
, int next_free
, int *link_to_dir
,
428 if (path
[0] == '.' && path
[1] == 0)
430 if (path
[0] == '.' && path
[1] == '.' && path
[2] == 0)
432 if (mc_lstat (path
, buf1
) == -1)
435 if (S_ISDIR (buf1
->st_mode
))
436 tree_store_mark_checked (path
);
438 /* A link to a file or a directory? */
441 if (S_ISLNK(buf1
->st_mode
)){
443 if (!mc_stat (path
, &buf2
))
444 *link_to_dir
= S_ISDIR(buf2
.st_mode
) != 0;
449 /* Need to grow the *list? */
450 if (next_free
== list
->size
){
451 list
->list
= g_realloc (list
->list
, sizeof (file_entry
) *
452 (list
->size
+ RESIZE_STEPS
));
455 list
->size
+= RESIZE_STEPS
;
461 do_load_dir (dir_list
*list
, sortfn
*sort
, int reverse
, int case_sensitive
, char *filter
)
465 int status
, link_to_dir
, stale_link
;
468 int dotdot_found
= 0;
470 tree_store_start_check_cwd ();
472 dirp
= mc_opendir (".");
474 tree_store_end_check ();
475 return set_zero_dir (list
);
477 for (dp
= mc_readdir (dirp
); dp
; dp
= mc_readdir (dirp
)){
478 status
= handle_dirent (list
, filter
, dp
, &buf
, next_free
, &link_to_dir
,
483 tree_store_end_check ();
487 list
->list
[next_free
].fnamelen
= NLENGTH (dp
);
488 list
->list
[next_free
].fname
= g_strdup (dp
->d_name
);
489 list
->list
[next_free
].f
.marked
= 0;
490 list
->list
[next_free
].f
.link_to_dir
= link_to_dir
;
491 list
->list
[next_free
].f
.stale_link
= stale_link
;
492 list
->list
[next_free
].f
.dir_size_computed
= 0;
493 list
->list
[next_free
].buf
= buf
;
494 if (strcmp (dp
->d_name
, ".." ) == 0)
497 if (!(next_free
% 32))
503 add_dotdot_to_list (list
, next_free
++);
504 do_sort (list
, sort
, next_free
-1, reverse
, case_sensitive
);
506 tree_store_end_check ();
508 return set_zero_dir (list
);
512 tree_store_end_check ();
517 link_isdir (file_entry
*file
)
519 if (file
->f
.link_to_dir
)
526 if_link_is_exe (char *full_name
, file_entry
*file
)
530 if (S_ISLNK (file
->buf
.st_mode
)) {
531 mc_stat (full_name
, &b
);
532 return is_exe (b
.st_mode
);
537 static dir_list dir_copy
= { 0, 0 };
540 alloc_dir_copy (int size
)
544 if (dir_copy
.size
< size
){
547 for (i
= 0; i
< dir_copy
.size
; i
++) {
548 if (dir_copy
.list
[i
].fname
)
549 g_free (dir_copy
.list
[i
].fname
);
551 g_free (dir_copy
.list
);
555 dir_copy
.list
= g_new (file_entry
, size
);
556 for (i
= 0; i
< size
; i
++)
557 dir_copy
.list
[i
].fname
= 0;
559 dir_copy
.size
= size
;
563 /* If filter is null, then it is a match */
565 do_reload_dir (dir_list
* list
, sortfn
* sort
, int count
, int rev
,
566 int case_sensitive
, char *filter
)
571 int i
, status
, link_to_dir
, stale_link
;
573 int dotdot_found
= 0;
575 GHashTable
*marked_files
= g_hash_table_new (g_str_hash
, g_str_equal
);
577 tree_store_start_check_cwd ();
578 dirp
= mc_opendir (".");
580 clean_dir (list
, count
);
581 tree_store_end_check ();
582 return set_zero_dir (list
);
585 alloc_dir_copy (list
->size
);
586 for (marked_cnt
= i
= 0; i
< count
; i
++) {
587 dir_copy
.list
[i
].fnamelen
= list
->list
[i
].fnamelen
;
588 dir_copy
.list
[i
].fname
= list
->list
[i
].fname
;
589 dir_copy
.list
[i
].f
.marked
= list
->list
[i
].f
.marked
;
590 dir_copy
.list
[i
].f
.dir_size_computed
=
591 list
->list
[i
].f
.dir_size_computed
;
592 dir_copy
.list
[i
].f
.link_to_dir
= list
->list
[i
].f
.link_to_dir
;
593 dir_copy
.list
[i
].f
.stale_link
= list
->list
[i
].f
.stale_link
;
594 if (list
->list
[i
].f
.marked
) {
595 g_hash_table_insert (marked_files
, dir_copy
.list
[i
].fname
,
601 for (dp
= mc_readdir (dirp
); dp
; dp
= mc_readdir (dirp
)) {
603 handle_dirent (list
, filter
, dp
, &buf
, next_free
, &link_to_dir
,
609 /* Norbert (Feb 12, 1997):
610 Just in case someone finds this memory leak:
611 -1 means big trouble (at the moment no memory left),
612 I don't bother with further cleanup because if one gets to
613 this point he will have more problems than a few memory
614 leaks and because one 'clean_dir' would not be enough (and
615 because I don't want to spent the time to make it working,
616 IMHO it's not worthwhile).
617 clean_dir (&dir_copy, count);
619 tree_store_end_check ();
623 list
->list
[next_free
].f
.marked
= 0;
626 * If we have marked files in the copy, scan through the copy
627 * to find matching file. Decrease number of remaining marks if
630 if (marked_cnt
> 0) {
633 (p
= g_hash_table_lookup (marked_files
, dp
->d_name
))) {
634 list
->list
[next_free
].f
.marked
= 1;
639 list
->list
[next_free
].fnamelen
= NLENGTH (dp
);
640 list
->list
[next_free
].fname
= g_strdup (dp
->d_name
);
641 list
->list
[next_free
].f
.link_to_dir
= link_to_dir
;
642 list
->list
[next_free
].f
.stale_link
= stale_link
;
643 list
->list
[next_free
].f
.dir_size_computed
= 0;
644 list
->list
[next_free
].buf
= buf
;
645 if (strcmp (dp
->d_name
, "..") == 0)
648 if (!(next_free
% 16))
652 tree_store_end_check ();
653 g_hash_table_destroy (marked_files
);
656 add_dotdot_to_list (list
, next_free
++);
657 do_sort (list
, sort
, next_free
- 1, rev
, case_sensitive
);
659 next_free
= set_zero_dir (list
);
660 clean_dir (&dir_copy
, count
);