projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 9385eb3d A |
1 | /*- |
| 2 | * Copyright (c) 1990, 1993 | |
| e9ce8d39 A |
3 | * The Regents of the University of California. All rights reserved. |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| e9ce8d39 A |
13 | * 4. Neither the name of the University nor the names of its contributors |
| 14 | * may be used to endorse or promote products derived from this software | |
| 15 | * without specific prior written permission. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 27 | * SUCH DAMAGE. | |
| 28 | */ | |
| 29 | ||
| 5b2abdfb | 30 | #if defined(LIBC_SCCS) && !defined(lint) |
| 9385eb3d | 31 | static char sccsid[] = "@(#)rewinddir.c 8.1 (Berkeley) 6/8/93"; |
| 5b2abdfb | 32 | #endif /* LIBC_SCCS and not lint */ |
| 9385eb3d | 33 | #include <sys/cdefs.h> |
| b061a43b | 34 | __FBSDID("$FreeBSD$"); |
| e9ce8d39 | 35 | |
| b061a43b | 36 | #include "namespace.h" |
| 9385eb3d A |
37 | #include <sys/types.h> |
| 38 | #include <dirent.h> | |
| b061a43b A |
39 | #include <pthread.h> |
| 40 | #include <unistd.h> | |
| 41 | #include "un-namespace.h" | |
| e9ce8d39 | 42 | |
| b061a43b | 43 | #include "libc_private.h" |
| 9385eb3d A |
44 | #include "telldir.h" |
| 45 | ||
| 46 | void | |
| b061a43b | 47 | rewinddir(DIR *dirp) |
| e9ce8d39 | 48 | { |
| e9ce8d39 | 49 | |
| b061a43b A |
50 | if (__isthreaded) |
| 51 | _pthread_mutex_lock(&dirp->dd_lock); | |
| 507116e3 | 52 | dirp->dd_flags &= ~(__DTF_SKIPREAD | __DTF_ATEND); /* current contents are invalid */ |
| b061a43b A |
53 | if (dirp->dd_flags & __DTF_READALL) |
| 54 | _filldir(dirp, false); | |
| 55 | else { | |
| 56 | (void) lseek(dirp->dd_fd, 0, SEEK_SET); | |
| 57 | #if __DARWIN_64_BIT_INO_T | |
| 58 | dirp->dd_td->seekoff = 0; | |
| 59 | #else /* !__DARWIN_64_BIT_INO_T */ | |
| 60 | dirp->dd_seek = 0; | |
| 61 | #endif /* __DARWIN_64_BIT_INO_T */ | |
| 62 | } | |
| 63 | dirp->dd_loc = 0; | |
| 64 | _reclaim_telldir(dirp); | |
| 65 | if (__isthreaded) | |
| 66 | _pthread_mutex_unlock(&dirp->dd_lock); | |
| e9ce8d39 | 67 | } |