2012-11-10 17:06:01 +01:00
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/****************************************************************************
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2012-11-10 17:34:46 +01:00
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* libc/stdio/lib_fputc.c
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2012-11-10 17:06:01 +01:00
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*
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* Copyright (C) 2007, 2008, 2011-2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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 <stdio.h>
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2015-12-30 00:31:17 +01:00
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#include "libc.h"
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2012-11-10 17:06:01 +01:00
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/****************************************************************************
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2015-04-08 15:32:08 +02:00
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* Pre-processor Definitions
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2012-11-10 17:06:01 +01:00
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****************************************************************************/
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/****************************************************************************
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* Private Type Declarations
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****************************************************************************/
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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/****************************************************************************
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2015-10-03 00:30:35 +02:00
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* Public Function Prototypes
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2012-11-10 17:06:01 +01:00
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****************************************************************************/
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/****************************************************************************
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2015-10-03 00:30:35 +02:00
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* Public Constant Data
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2012-11-10 17:06:01 +01:00
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****************************************************************************/
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/****************************************************************************
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2015-10-03 00:30:35 +02:00
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* Public Data
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2012-11-10 17:06:01 +01:00
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****************************************************************************/
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/****************************************************************************
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* Private Constant Data
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****************************************************************************/
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/****************************************************************************
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2016-02-22 01:08:58 +01:00
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* Private Data
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2012-11-10 17:06:01 +01:00
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****************************************************************************/
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/****************************************************************************
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2015-10-03 00:30:35 +02:00
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* Public Functions
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2012-11-10 17:06:01 +01:00
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****************************************************************************/
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/****************************************************************************
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* Name: fputc
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****************************************************************************/
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int fputc(int c, FAR FILE *stream)
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{
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unsigned char buf = (unsigned char)c;
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int ret;
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ret = lib_fwrite(&buf, 1, stream);
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if (ret > 0)
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{
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/* Flush the buffer if a newline is output */
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#ifdef CONFIG_STDIO_LINEBUFFER
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if (c == '\n')
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{
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ret = lib_fflush(stream, true);
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if (ret < 0)
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{
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return EOF;
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}
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}
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#endif
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return c;
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}
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else
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{
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return EOF;
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}
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}
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