incubator-nuttx/libs/libc/dirent/lib_closedir.c

85 lines
2.6 KiB
C

/****************************************************************************
* libs/libc/dirent/lib_closedir.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <dirent.h>
#include <errno.h>
#ifdef CONFIG_FDSAN
# include <android/fdsan.h>
#endif
#include <unistd.h>
#include "libc.h"
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: closedir
*
* Description:
* The closedir() function closes the directory stream associated with
* 'dirp'. The directory stream descriptor 'dirp' is not available after
* this call.
*
* Input Parameters:
* dirp -- An instance of type DIR created by a previous call to opendir();
*
* Returned Value:
* The closedir() function returns 0 on success. On error, -1 is
* returned, and errno is set appropriately.
*
****************************************************************************/
int closedir(FAR DIR *dirp)
{
int ret;
#ifdef CONFIG_FDSAN
uint64_t tag;
#endif
if (dirp == NULL)
{
set_errno(EBADF);
return -1;
}
#ifdef CONFIG_FDSAN
tag = android_fdsan_create_owner_tag(ANDROID_FDSAN_OWNER_TYPE_DIR,
(uintptr_t)dirp);
ret = android_fdsan_close_with_tag(dirp->fd, tag);
#else
ret = close(dirp->fd);
#endif
lib_free(dirp);
return ret;
}