diff options
Diffstat (limited to 'StdLib/PosixLib/Gen/readdir.c')
| -rw-r--r-- | StdLib/PosixLib/Gen/readdir.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/StdLib/PosixLib/Gen/readdir.c b/StdLib/PosixLib/Gen/readdir.c deleted file mode 100644 index 13c4eaec07..0000000000 --- a/StdLib/PosixLib/Gen/readdir.c +++ /dev/null @@ -1,136 +0,0 @@ -/** @file
- Get next entry in a directory.
-
- Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
- Copyright (c) 1983, 1993
- The Regents of the University of California. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
- 3. Neither the name of the University nor the names of its contributors
- may be used to endorse or promote products derived from this software
- without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- SUCH DAMAGE.
-
- NetBSD: readdir.c,v 1.24 2008/05/04 18:53:26 tonnerre Exp
- readdir.c 8.3 (Berkeley) 9/29/94
- */
-#include <sys/cdefs.h>
-
-#include <namespace.h>
-#include <reentrant.h>
-#include <extern.h>
-#include <sys/param.h>
-#include <sys/stdint.h>
-
-#include <stdio.h>
-#include <dirent.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-
-/*
- * get next entry in a directory.
- */
-struct dirent *
-_readdir_unlocked(DIR *dirp, int skipdeleted)
-{
- struct dirent *dp;
-
-
- for (;;) {
- if (dirp->dd_loc >= dirp->dd_size) {
- if (dirp->dd_flags & __DTF_READALL)
- return (NULL);
- dirp->dd_loc = 0;
- }
- if (dirp->dd_loc == 0 && !(dirp->dd_flags & __DTF_READALL)) {
- dirp->dd_size = (long)read(dirp->dd_fd, dirp->dd_buf, (size_t)dirp->dd_len);
- if (dirp->dd_size <= 0)
- return (NULL);
- }
- dp = (struct dirent *) (void *)(dirp->dd_buf + (size_t)dirp->dd_loc);
- if ((intptr_t)dp & _DIRENT_ALIGN(dp))/* bogus pointer check */
- return (NULL);
- dirp->dd_loc += (long)dp->Size;
- if ((dp->Attribute & DT_HIDDEN) && (dirp->dd_flags & DTF_HIDEW))
- continue;
- return (dp);
- }
-}
-
-struct dirent *
-readdir(DIR *dirp)
-{
- struct dirent *dp;
-
-#ifdef _REENTRANT
- if (__isthreaded) {
- mutex_lock((mutex_t *)dirp->dd_lock);
- dp = _readdir_unlocked(dirp, 1);
- mutex_unlock((mutex_t *)dirp->dd_lock);
- }
- else
-#endif
- dp = _readdir_unlocked(dirp, 1);
- return (dp);
-}
-
-int
-readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result)
-{
- struct dirent *dp;
- int saved_errno;
-
- saved_errno = errno;
- errno = 0;
-#ifdef _REENTRANT
- if (__isthreaded) {
- mutex_lock((mutex_t *)dirp->dd_lock);
- if ((dp = _readdir_unlocked(dirp, 1)) != NULL)
- memcpy(entry, dp, (size_t)_DIRENT_SIZE(dp));
- mutex_unlock((mutex_t *)dirp->dd_lock);
- }
- else
-#endif
- if ((dp = _readdir_unlocked(dirp, 1)) != NULL)
- memcpy(entry, dp, (size_t)_DIRENT_SIZE(dp));
-
- if (errno != 0) {
- if (dp == NULL)
- return (errno);
- } else
- errno = saved_errno;
-
- if (dp != NULL)
- *result = entry;
- else
- *result = NULL;
-
- return (0);
-}
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