1 /* Copyright (C) 2000, 2004, 2011 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library 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 GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
20 #define SCANDIR __scandir64
21 #define SCANDIRAT scandirat64
22 #define READDIR __readdir64
23 #define DIRENT_TYPE struct dirent64
24 #define SKIP_SCANDIR_CANCEL 1
26 #include <dirent/scandir.c>
32 #include <shlib-compat.h>
34 versioned_symbol (libc
, __scandir64
, scandir64
, GLIBC_2_2
);
36 #if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
39 # include "olddirent.h"
42 __old_scandir64 (dir
, namelist
, select
, cmp
)
44 struct __old_dirent64
***namelist
;
45 int (*select
) (const struct __old_dirent64
*);
46 int (*cmp
) (const struct __old_dirent64
**,
47 const struct __old_dirent64
**);
49 DIR *dp
= __opendir (dir
);
50 struct __old_dirent64
**v
= NULL
;
52 struct scandir_cancel_struct c
;
53 struct __old_dirent64
*d
;
65 __libc_cleanup_push (__scandir_cancel_handler
, &c
);
67 while ((d
= __old_readdir64 (dp
)) != NULL
)
69 int use_it
= select
== NULL
;
74 /* The select function might have changed errno. It was
75 zero before and it need to be again to make the latter
82 struct __old_dirent64
*vnew
;
85 /* Ignore errors from select or readdir */
88 if (__builtin_expect (c
.cnt
== vsize
, 0))
90 struct __old_dirent64
**new;
95 new = (struct __old_dirent64
**) realloc (v
,
103 dsize
= &d
->d_name
[_D_ALLOC_NAMLEN (d
)] - (char *) d
;
104 vnew
= (struct __old_dirent64
*) malloc (dsize
);
108 v
[c
.cnt
++] = (struct __old_dirent64
*) memcpy (vnew
, d
, dsize
);
112 if (__builtin_expect (errno
, 0) != 0)
123 /* Sort the list if we have a comparison function to sort with. */
125 qsort (v
, c
.cnt
, sizeof (*v
),
126 (int (*) (const void *, const void *)) cmp
);
131 __libc_cleanup_pop (0);
133 (void) __closedir (dp
);
138 compat_symbol (libc
, __old_scandir64
, scandir64
, GLIBC_2_1
);