d6b50a1d3f
nxstyle fixes to pass the CI checks Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
109 lines
3.3 KiB
C
109 lines
3.3 KiB
C
/****************************************************************************
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* libs/libc/dirent/lib_readdirr.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <string.h>
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#include <dirent.h>
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#include <errno.h>
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#include <nuttx/fs/fs.h>
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: readdir_r
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*
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* Description:
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* The readdir() function returns a pointer to a dirent
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* structure representing the next directory entry in the
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* directory stream pointed to by dir. It returns NULL on
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* reaching the end-of-file or if an error occurred.
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*
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* Input Parameters:
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* dirp -- An instance of type DIR created by a previous
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* call to opendir();
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* entry -- The storage pointed to by entry must be large
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* enough for a dirent with an array of char d_name
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* members containing at least {NAME_MAX}+1 elements.
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* result -- Upon successful return, the pointer returned
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* at *result shall have the same value as the
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* argument entry. Upon reaching the end of the directory
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* stream, this pointer shall have the value NULL.
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*
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* Returned Value:
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* If successful, the readdir_r() function return s zero;
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* otherwise, an error number is returned to indicate the
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* error.
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*
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* EBADF - Invalid directory stream descriptor dir
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*
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****************************************************************************/
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int readdir_r(FAR DIR *dirp, FAR struct dirent *entry,
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FAR struct dirent **result)
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{
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struct dirent *tmp;
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/* NOTE: The following use or errno is *not* thread-safe */
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set_errno(0);
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tmp = readdir(dirp);
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if (!tmp)
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{
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int error = get_errno();
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if (!error)
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{
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if (result)
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{
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*result = NULL;
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}
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return 0;
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}
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else
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{
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return error;
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}
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}
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if (entry)
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{
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memcpy(entry, tmp, sizeof(struct dirent));
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}
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if (result)
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{
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*result = entry;
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}
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return 0;
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}
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