1 files changed, 0 insertions, 144 deletions
diff --git a/nuttx/libc/stdio/lib_rdflush.c b/nuttx/libc/stdio/lib_rdflush.c
deleted file mode 100644
index c6136792b..000000000
--- a/nuttx/libc/stdio/lib_rdflush.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/****************************************************************************
- * libc/stdio/lib_rdflush.c
- *
- *   Copyright (C) 2008, 2011 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.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Compilation Switches
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <sys/types.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <errno.h>
-
-#include "lib_internal.h"
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Type Declarations
- ****************************************************************************/
-
-/****************************************************************************
- * Private Function Prototypes
- ****************************************************************************/
-
-/****************************************************************************
- * Global Constant Data
- ****************************************************************************/
-
-/****************************************************************************
- * Global Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Constant Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Global Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: lib_rdflush
- *
- * Description:
- *   Flush read data from the I/O buffer and adjust the file pointer to
- *   account for the unread data
- *
- ****************************************************************************/
-
-#if CONFIG_STDIO_BUFFER_SIZE > 0
-int lib_rdflush(FAR FILE *stream)
-{
-  if (!stream)
-    {
-      set_errno(EBADF);
-      return ERROR;
-    }
-
-  /* Get exclusive access to the stream */
-
-  lib_take_semaphore(stream);
-
-  /* If the buffer is currently being used for read access, then discard all
-   * of the read-ahead data.  We do not support concurrent buffered read/write
-   * access.
-   */
-
-  if (stream->fs_bufread != stream->fs_bufstart)
-    {
-      /* Now adjust the stream pointer to account for the read-ahead data that
-       * was not actually read by the user.
-       */
-
-#if CONFIG_NUNGET_CHARS > 0
-      off_t rdoffset = stream->fs_bufread - stream->fs_bufpos + stream->fs_nungotten;
-#else
-      off_t rdoffset = stream->fs_bufread - stream->fs_bufpos;
-#endif
-      /* Mark the buffer as empty (do this before calling fseek() because fseek()
-       * also calls this function).
-       */
-
-      stream->fs_bufpos = stream->fs_bufread = stream->fs_bufstart;
-#if CONFIG_NUNGET_CHARS > 0
-      stream->fs_nungotten = 0;
-#endif
-      /* Then seek to the position corresponding to the last data read by the user */
-
-      if (fseek(stream, -rdoffset, SEEK_CUR) < 0)
-        {
-          lib_give_semaphore(stream);
-          return ERROR;
-        }
-    }
-
-  lib_give_semaphore(stream);
-  return OK;
-}
-#endif /* CONFIG_STDIO_BUFFER_SIZE */
-