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905ae44c77
This generic implementation already expects a getdents API which is Linux specific. It also allows simplify it by assuming _DIRENT_HAVE_D_RECLEN and _DIRENT_HAVE_D_OFF support. The readdir are also expanded on each required implementation, futher fixes and improvements will make parametrize the implementation more complex. Checked on x86_64-linux-gnu, i686-linux-gnu, and with a build for all affected ABIs.
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* Copyright (C) 1991-2020 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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<https://www.gnu.org/licenses/>. */
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#include <stddef.h>
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#include <dirent.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <dirstream.h>
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/* Rewind DIRP to the beginning of the directory. */
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void
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__rewinddir (DIR *dirp)
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{
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#if IS_IN (libc)
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__libc_lock_lock (dirp->lock);
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#endif
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(void) __lseek (dirp->fd, (off_t) 0, SEEK_SET);
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dirp->filepos = 0;
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dirp->offset = 0;
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dirp->size = 0;
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dirp->errcode = 0;
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#if IS_IN (libc)
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__libc_lock_unlock (dirp->lock);
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#endif
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}
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libc_hidden_def (__rewinddir)
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weak_alias (__rewinddir, rewinddir)
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