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
37strong_alias (__readdir64_r, __readdir_r)
38weak_alias (__readdir64_r, readdir_r)
39weak_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>
44versioned_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>
51compat_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