Blame sysdeps/unix/sysv/linux/readdir64_r.c

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/* Read a directory in reentrant mode.  Linux LFS version.
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   Copyright (C) 1997-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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/* When _DIRENT_MATCHES_DIRENT64 is defined we can alias 'readdir64' to
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   'readdir'.  However the function signatures are not equal due
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   different return types, so we need to suppress {__}readdir so weak
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   and strong alias do not throw conflicting types errors.  */
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#define readdir_r   __no_readdir_r_decl
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#define __readdir_r __no___readdir_r_decl
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#include <dirent.h>
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#define __READDIR_R __readdir64_r
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#define __GETDENTS  __getdents64
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#define DIRENT_TYPE struct dirent64
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#include <sysdeps/posix/readdir_r.c>
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#undef __readdir_r
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#undef readdir_r
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#if _DIRENT_MATCHES_DIRENT64
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strong_alias (__readdir64_r, __readdir_r)
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weak_alias (__readdir64_r, readdir_r)
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weak_alias (__readdir64_r, readdir64_r)
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#else
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/* The compat code expects the 'struct direct' with d_ino being a __ino_t
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   instead of __ino64_t.  */
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# include <shlib-compat.h>
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versioned_symbol (libc, __readdir64_r, readdir64_r, GLIBC_2_2);
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# if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
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#  include <olddirent.h>
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#  define __READDIR_R attribute_compat_text_section __old_readdir64_r
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#  define __GETDENTS  __old_getdents64
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#  define DIRENT_TYPE struct __old_dirent64
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#  include <sysdeps/posix/readdir_r.c>
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compat_symbol (libc, __old_readdir64_r, readdir64_r, GLIBC_2_1);
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# endif /* SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)  */
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#endif /* _DIRENT_MATCHES_DIRENT64  */