diff options
Diffstat (limited to 'nuttx/lib/stdio/lib_wrflush.c')
-rw-r--r-- | nuttx/lib/stdio/lib_wrflush.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/nuttx/lib/stdio/lib_wrflush.c b/nuttx/lib/stdio/lib_wrflush.c deleted file mode 100644 index 39680da6a..000000000 --- a/nuttx/lib/stdio/lib_wrflush.c +++ /dev/null @@ -1,134 +0,0 @@ -/**************************************************************************** - * lib/stdio/lib_wrflush.c - * - * Copyright (C) 2008-2009, 2011-2012 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * 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> - -#include <stdbool.h> -#include <fcntl.h> -#include <errno.h> - -#include "lib_internal.h" - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Global Constant Data - ****************************************************************************/ - -/**************************************************************************** - * Global Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Constant Data - ****************************************************************************/ - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: lib_wrflush - * - * Description: - * This is simply a version of fflush that does not report an error if - * the file is not open for writing. - * - ****************************************************************************/ - -int lib_wrflush(FAR FILE *stream) -{ -#if CONFIG_STDIO_BUFFER_SIZE > 0 - /* Verify that we were passed a valid (i.e., non-NULL) stream */ - -#ifdef CONFIG_DEBUG - if (!stream) - { - return -EINVAL; - } -#endif - - /* Verify that the stream is opened for writing... lib_fflush will - * return an error if it is called for a stream that is not opened for - * writing. Check that first so that this function will not fail in - * that case. - */ - - if ((stream->fs_oflags & O_WROK) == 0) - { - /* Report that the success was successful if we attempt to flush a - * read-only stream. - */ - - return OK; - } - - /* Flush the stream. Return success if there is no buffered write data - * -- i.e., that the stream is opened for writing and that all of the - * buffered write data was successfully flushed by lib_fflush(). - */ - - return lib_fflush(stream, true); -#else - /* Verify that we were passed a valid (i.e., non-NULL) stream */ - -#ifdef CONFIG_DEBUG - if (!stream) - { - return -EINVAL; - } -#endif - - return OK; -#endif -} |