2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
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6 * modification, are permitted provided that the following conditions
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12 * documentation and/or other materials provided with the distribution.
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14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
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29 * $FreeBSD: head/lib/libc/gen/gen-private.h 268531 2014-07-11 16:16:26Z jhb $
32 #ifndef _GEN_PRIVATE_H_
33 #define _GEN_PRIVATE_H_
38 * Structure describing an open directory.
40 * NOTE. Change structure layout with care, at least dd_fd field has to
41 * remain unchanged to guarantee backward compatibility.
44 int dd_fd; /* file descriptor associated with directory */
45 long dd_loc; /* offset in current buffer */
46 long dd_size; /* amount of data returned by getdirentries */
47 char *dd_buf; /* data buffer */
48 int dd_len; /* size of data buffer */
49 long dd_lastseek; /* last seek index */
50 long dd_rewind; /* magic cookie for rewinding */
51 int dd_flags; /* flags for readdir */
52 struct pthread_mutex *dd_lock; /* lock */
53 off_t dd_seek; /* new magic cookie returned by getdirentries */
56 #define _dirfd(dirp) ((dirp)->dd_fd)
58 #endif /* !_GEN_PRIVATE_H_ */