forked from Archive/PX4-Autopilot
111 lines
4.2 KiB
C
111 lines
4.2 KiB
C
/****************************************************************************
|
|
* lib/stdio/lib_stdoutstream.c
|
|
*
|
|
* Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include "lib_internal.h"
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: stdoutstream_putc
|
|
****************************************************************************/
|
|
|
|
static void stdoutstream_putc(FAR struct lib_outstream_s *this, int ch)
|
|
{
|
|
FAR struct lib_stdoutstream_s *sthis = (FAR struct lib_stdoutstream_s *)this;
|
|
if (this)
|
|
{
|
|
if (putc(ch, sthis->stream) != EOF)
|
|
{
|
|
this->nput++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: stdoutstream_flush
|
|
****************************************************************************/
|
|
|
|
#if defined(CONFIG_STDIO_LINEBUFFER) && CONFIG_STDIO_BUFFER_SIZE > 0
|
|
int stdoutstream_flush(FAR struct lib_outstream_s *this)
|
|
{
|
|
FAR struct lib_stdoutstream_s *sthis = (FAR struct lib_stdoutstream_s *)this;
|
|
return lib_fflush(sthis->stream, true);
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: lib_stdoutstream
|
|
*
|
|
* Description:
|
|
* Initializes a stream for use with a FILE instance.
|
|
*
|
|
* Input parameters:
|
|
* stdoutstream - User allocated, uninitialized instance of struct
|
|
* lib_stdoutstream_s to be initialized.
|
|
* stream - User provided stream instance (must have been opened for
|
|
* write access).
|
|
*
|
|
* Returned Value:
|
|
* None (User allocated instance initialized).
|
|
*
|
|
****************************************************************************/
|
|
|
|
void lib_stdoutstream(FAR struct lib_stdoutstream_s *stdoutstream,
|
|
FAR FILE *stream)
|
|
{
|
|
stdoutstream->public.put = stdoutstream_putc;
|
|
#ifdef CONFIG_STDIO_LINEBUFFER
|
|
#if CONFIG_STDIO_BUFFER_SIZE > 0
|
|
stdoutstream->public.flush = stdoutstream_flush;
|
|
#else
|
|
stdoutstream->public.flush = lib_noflush;
|
|
#endif
|
|
#endif
|
|
stdoutstream->public.nput = 0;
|
|
stdoutstream->stream = stream;
|
|
}
|
|
|
|
|