53af2dbdca
Introduce dirfd() libc exported symbol replacing macro with same name, preserve _dirfd() macro for internal use. Replace dirp->dd_fd with dirfd() call. Avoid using dirfd as variable name to prevent shadowing global symbol. Sponsored by: Google Summer Of Code 2011
60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
/*-
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _GEN_PRIVATE_H_
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#define _GEN_PRIVATE_H_
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struct _telldir; /* see telldir.h */
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struct pthread_mutex;
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/*
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* Structure describing an open directory.
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*
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* NOTE. Change structure layout with care, at least dd_fd field has to
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* remain unchanged to guarantee backward compatibility.
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*/
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struct _dirdesc {
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int dd_fd; /* file descriptor associated with directory */
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long dd_loc; /* offset in current buffer */
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long dd_size; /* amount of data returned by getdirentries */
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char *dd_buf; /* data buffer */
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int dd_len; /* size of data buffer */
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long dd_seek; /* magic cookie returned by getdirentries */
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long dd_rewind; /* magic cookie for rewinding */
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int dd_flags; /* flags for readdir */
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struct pthread_mutex *dd_lock; /* lock */
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struct _telldir *dd_td; /* telldir position recording */
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};
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#define _dirfd(dirp) ((dirp)->dd_fd)
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#endif /* !_GEN_PRIVATE_H_ */
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