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91ce40854d
* sysdeps/posix/dirstream.h (struct __dirstream): Add errcode member. * sysdeps/posix/opendir.c (__alloc_dir): Initialize errcode member. * sysdeps/posix/rewinddir.c (rewinddir): Reset errcode member. * sysdeps/posix/readdir_r.c (__READDIR_R): Enforce NAME_MAX limit. Return delayed error code. Remove GETDENTS_64BIT_ALIGNED conditional. * sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c: Do not define GETDENTS_64BIT_ALIGNED. * sysdeps/unix/sysv/linux/i386/readdir64_r.c: Likewise. * manual/filesys.texi (Reading/Closing Directory): Document ENAMETOOLONG return value of readdir_r. Recommend readdir more strongly. * manual/conf.texi (Limits for Files): Add portability note to NAME_MAX, PATH_MAX. (Pathconf): Add portability note for _PC_NAME_MAX, _PC_PATH_MAX.
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* Copyright (C) 1991-2013 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 <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 (dirp)
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DIR *dirp;
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{
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#ifndef NOT_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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#ifndef NOT_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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