2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1983, 1993
5 * The Regents of the University of California. All rights reserved.
8 * Daniel Eischen. All rights reserved.
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11 * modification, are permitted provided that the following conditions
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14 * notice, this list of conditions and the following disclaimer.
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22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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40 #include <sys/queue.h>
44 * One of these structures is malloced to describe the current directory
45 * position each time telldir is called. It records the current magic
46 * cookie returned by getdirentries and the offset within the buffer
47 * associated with that return value.
50 LIST_ENTRY(ddloc) loc_lqe; /* entry in list */
51 long loc_index; /* key associated with structure */
52 off_t loc_seek; /* magic cookie returned by getdirentries */
53 long loc_loc; /* offset of entry in buffer */
57 * One of these structures is malloced for each DIR to record telldir
61 LIST_HEAD(, ddloc) td_locq; /* list of locations */
62 long td_loccnt; /* index of entry for sequential readdir's */
65 bool _filldir(DIR *, bool);
66 struct dirent *_readdir_unlocked(DIR *, int);
67 void _reclaim_telldir(DIR *);
68 void _seekdir(DIR *, long);
69 void _fixtelldir(DIR *dirp, long oldseek, long oldloc);
71 #define RDU_SKIP 0x0001
72 #define RDU_SHORT 0x0002