61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/****************************************************************************
|
|
* libs/libc/stdio/lib_ferror.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 <nuttx/config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
|
|
#include <nuttx/fs/fs.h>
|
|
|
|
#ifdef CONFIG_FILE_STREAM
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: ferror
|
|
*
|
|
* Description:
|
|
* This function will test if the last operation resulted in an error.
|
|
* This is used to disambiguate EOF and error conditions.
|
|
*
|
|
* Returned Value:
|
|
* A non-zero value is returned to indicate the error condition.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int ferror(FILE *stream)
|
|
{
|
|
/* If an error is encountered by any of the C-buffered I/O functions, they
|
|
* should set the __FS_FLAG_ERROR in the fs_flags field of struct
|
|
* file_struct.
|
|
*/
|
|
|
|
return (stream->fs_flags & __FS_FLAG_ERROR) != 0;
|
|
}
|
|
|
|
#endif /* CONFIG_FILE_STREAM */
|