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65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* Copyright (C) 1993-2017 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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#include <errno.h>
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#include <limits.h>
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#include <stddef.h>
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#include <string.h>
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#include <dirent.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <hurd.h>
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#include <hurd/fd.h>
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#include "dirstream.h"
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/* Read a directory entry from DIRP. */
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int
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__readdir_r (DIR *dirp, struct dirent *entry, struct dirent **result)
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{
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if (sizeof (struct dirent64) == sizeof (struct dirent))
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/* We should in fact just be an alias to readdir64_r on this machine. */
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return __readdir64_r (dirp,
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(struct dirent64 *) entry,
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(struct dirent64 **) result);
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struct dirent64 *result64;
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union
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{
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struct dirent64 d;
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char b[offsetof (struct dirent64, d_name) + UCHAR_MAX + 1];
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} u;
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int err;
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err = __readdir64_r (dirp, &u.d, &result64);
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if (result64)
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{
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entry->d_fileno = result64->d_fileno;
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entry->d_reclen = result64->d_reclen;
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entry->d_type = result64->d_type;
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entry->d_namlen = result64->d_namlen;
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memcpy (entry->d_name, result64->d_name, result64->d_namlen + 1);
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*result = entry;
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}
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else
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*result = NULL;
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return err;
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}
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weak_alias (__readdir_r, readdir_r)
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