nuttx/libs/libc/stdio/lib_fgets.c
Xiang Xiao 5da9dbe57a libc/gets: Remove the unnecessary cast
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-11-27 16:07:39 -03:00

63 lines
2.1 KiB
C

/****************************************************************************
* libs/libc/stdio/lib_fgets.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 "libc.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: fgets
*
* Description:
* fgets() reads in at most one less than 'buflen' characters from stream
* and stores them into the buffer pointed to by 'buf'. Reading stops after
* an EOF or a newline. If a newline is read, it is stored into the
* buffer. A null terminator is stored after the last character in the
* buffer.
*
****************************************************************************/
char *fgets(FAR char *buf, int buflen, FAR FILE *stream)
{
/* Handle negative buffer size */
if (buflen < 0)
{
return NULL;
}
/* Let lib_fgets() do the heavy lifting */
else
{
return lib_fgets(buf, buflen, stream, true, false);
}
}