66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
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/****************************************************************************
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* libs/libc/dirent/lib_seekdir.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 <dirent.h>
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#include <errno.h>
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#include <unistd.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: seekdir
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*
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* Description:
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* The seekdir() function sets the location in the directory stream from
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* which the next readdir() call will start. seekdir() should be used with
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* an offset returned by telldir().
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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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* offset -- offset to seek to
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void seekdir(FAR DIR *dirp, off_t offset)
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{
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if (dirp != NULL)
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{
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lseek(dirp->fd, offset, SEEK_SET);
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}
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else
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{
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set_errno(EBADF);
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}
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}
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