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vfile.cpp: added file that got removed in merge

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Julian Oes 2016-02-16 14:34:05 +01:00
parent 5feae43682
commit 1cd49a6dd5
1 changed files with 65 additions and 0 deletions
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src/drivers/device/vfile.cpp Normal file
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/****************************************************************************
*
* Copyright (C) 2015 Mark Charlebois. All rights reserved.
*
* 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 PX4 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.
*
****************************************************************************/
/**
* @file vdev_file.cpp
* Virtual file
*
* @author Mark Charlebois <charlebm@gmail.com>
*/
#include "vfile.h"
#include <stdio.h>
using namespace device;
VFile::VFile(const char *fname, mode_t mode) :
VDev("vfile", fname)
{
}
VFile *VFile::createFile(const char *fname, mode_t mode)
{
VFile *me = new VFile(fname, mode);
me->register_driver(fname, me);
return me;
}
ssize_t VFile::write(device::file_t *handlep, const char *buffer, size_t buflen)
{
// ignore what was written, but let pollers know something was written
poll_notify(POLLIN);
return buflen;
}