projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 224c7076 A |
1 | /* |
| 2 | * Copyright (c) 1983, 1993 | |
| 3 | * The Regents of the University of California. All rights reserved. | |
| 4 | * | |
| 5 | * Copyright (c) 2000 | |
| 6 | * Daniel Eischen. All rights reserved. | |
| 7 | * | |
| 8 | * Redistribution and use in source and binary forms, with or without | |
| 9 | * modification, are permitted provided that the following conditions | |
| 10 | * are met: | |
| 11 | * 1. Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in the | |
| 15 | * documentation and/or other materials provided with the distribution. | |
| 16 | * 3. Neither the name of the University nor the names of its contributors | |
| 17 | * may be used to endorse or promote products derived from this software | |
| 18 | * without specific prior written permission. | |
| 19 | * | |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 30 | * SUCH DAMAGE. | |
| 31 | * | |
| 32 | * $FreeBSD: src/lib/libc/gen/telldir.h,v 1.2 2001/01/24 12:59:24 deischen Exp $ | |
| 33 | */ | |
| 34 | ||
| 35 | #ifndef _TELLDIR_H_ | |
| 36 | #define _TELLDIR_H_ | |
| 37 | ||
| 38 | #include <sys/queue.h> | |
| 39 | ||
| 40 | /* | |
| 41 | * One of these structures is malloced to describe the current directory | |
| 42 | * position each time telldir is called. It records the current magic | |
| 43 | * cookie returned by getdirentries and the offset within the buffer | |
| 44 | * associated with that return value. | |
| 45 | */ | |
| 46 | struct ddloc { | |
| 47 | LIST_ENTRY(ddloc) loc_lqe; /* entry in list */ | |
| 48 | long loc_index; /* key associated with structure */ | |
| 49 | #if __DARWIN_64_BIT_INO_T | |
| 50 | __darwin_off_t loc_seek; /* returned by lseek */ | |
| 51 | #else /* !__DARWIN_64_BIT_INO_T */ | |
| 52 | long loc_seek; /* magic cookie returned by getdirentries */ | |
| 53 | #endif /* __DARWIN_64_BIT_INO_T */ | |
| 54 | long loc_loc; /* offset of entry in buffer */ | |
| 55 | }; | |
| 56 | ||
| 57 | /* | |
| 58 | * One of these structures is malloced for each DIR to record telldir | |
| 59 | * positions. | |
| 60 | */ | |
| 61 | struct _telldir { | |
| 62 | LIST_HEAD(, ddloc) td_locq; /* list of locations */ | |
| 63 | long td_loccnt; /* index of entry for sequential readdir's */ | |
| 64 | #if __DARWIN_64_BIT_INO_T | |
| 65 | __darwin_off_t seekoff; /* 64-bit seek offset */ | |
| 66 | #endif /* __DARWIN_64_BIT_INO_T */ | |
| 67 | }; | |
| 68 | ||
| 69 | #if __DARWIN_64_BIT_INO_T | |
| 70 | size_t __getdirentries64(int fd, void *buf, size_t bufsize, __darwin_off_t *basep); | |
| 71 | #endif /* __DARWIN_64_BIT_INO_T */ | |
| 72 | struct dirent *_readdir_unlocked(DIR *) __DARWIN_INODE64(_readdir_unlocked); | |
| 73 | void _reclaim_telldir(DIR *); | |
| 74 | void _seekdir(DIR *, long) __DARWIN_ALIAS_I(_seekdir); | |
| 75 | long telldir(DIR *) __DARWIN_ALIAS_I(telldir); | |
| 76 | ||
| 77 | #endif |