1 | /* Read a directory in reentrant mode. Linux LFS version. |
2 | Copyright (C) 1997-2020 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | /* When _DIRENT_MATCHES_DIRENT64 is defined we can alias 'readdir64' to |
20 | 'readdir'. However the function signatures are not equal due |
21 | different return types, so we need to suppress {__}readdir so weak |
22 | and strong alias do not throw conflicting types errors. */ |
23 | #define readdir_r __no_readdir_r_decl |
24 | #define __readdir_r __no___readdir_r_decl |
25 | #include <dirent.h> |
26 | |
27 | #define __READDIR_R __readdir64_r |
28 | #define __GETDENTS __getdents64 |
29 | #define DIRENT_TYPE struct dirent64 |
30 | |
31 | #include <sysdeps/posix/readdir_r.c> |
32 | |
33 | #undef __readdir_r |
34 | #undef readdir_r |
35 | |
36 | #if _DIRENT_MATCHES_DIRENT64 |
37 | strong_alias (__readdir64_r, __readdir_r) |
38 | weak_alias (__readdir64_r, readdir_r) |
39 | weak_alias (__readdir64_r, readdir64_r) |
40 | #else |
41 | /* The compat code expects the 'struct direct' with d_ino being a __ino_t |
42 | instead of __ino64_t. */ |
43 | # include <shlib-compat.h> |
44 | versioned_symbol (libc, __readdir64_r, readdir64_r, GLIBC_2_2); |
45 | # if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) |
46 | # include <olddirent.h> |
47 | # define __READDIR_R attribute_compat_text_section __old_readdir64_r |
48 | # define __GETDENTS __old_getdents64 |
49 | # define DIRENT_TYPE struct __old_dirent64 |
50 | # include <sysdeps/posix/readdir_r.c> |
51 | compat_symbol (libc, __old_readdir64_r, readdir64_r, GLIBC_2_1); |
52 | # endif /* SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) */ |
53 | #endif /* _DIRENT_MATCHES_DIRENT64 */ |
54 | |