| /**************************************************************************** |
| * lib_lowoutstream.c |
| * |
| * Copyright (C) 2007-2009 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 <nuttx/config.h> |
| |
| #ifdef CONFIG_ARCH_LOWPUTC |
| |
| #include <stdio.h> |
| #include <errno.h> |
| #include <nuttx/arch.h> |
| |
| #include "lib_internal.h" |
| |
| /**************************************************************************** |
| * Private Functions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Name: lowoutstream_putc |
| ****************************************************************************/ |
| |
| static void lowoutstream_putc(FAR struct lib_outstream_s *this, int ch) |
| { |
| if (this && up_putc(ch) != EOF) |
| { |
| this->nput++; |
| } |
| } |
| |
| /**************************************************************************** |
| * Public Functions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Name: lib_lowoutstream |
| * |
| * Description: |
| * Initializes a stream for use with low-level, architecture-specific I/O. |
| * |
| * Input parameters: |
| * lowoutstream - User allocated, uninitialized instance of struct |
| * lib_lowoutstream_s to be initialized. |
| * |
| * Returned Value: |
| * None (User allocated instance initialized). |
| * |
| ****************************************************************************/ |
| |
| void lib_lowoutstream(FAR struct lib_outstream_s *stream) |
| { |
| stream->put = lowoutstream_putc; |
| stream->nput = 0; |
| } |
| |
| #endif /* CONFIG_ARCH_LOWPUTC */ |