From cd039f42550bc16289c9ccb80cefdec84408d8a6 Mon Sep 17 00:00:00 2001 From: Paul Kocialkowski Date: Mon, 23 Dec 2013 22:25:33 +0100 Subject: Aries Sensors Signed-off-by: Paul Kocialkowski --- libsensors/InputEventReader.cpp | 88 ----------------------------------------- 1 file changed, 88 deletions(-) delete mode 100644 libsensors/InputEventReader.cpp (limited to 'libsensors/InputEventReader.cpp') diff --git a/libsensors/InputEventReader.cpp b/libsensors/InputEventReader.cpp deleted file mode 100644 index 1014f29..0000000 --- a/libsensors/InputEventReader.cpp +++ /dev/null @@ -1,88 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include -#include -#include -#include - -#include -#include - -#include - -#include - -#include "InputEventReader.h" - -/*****************************************************************************/ - -struct input_event; - -InputEventCircularReader::InputEventCircularReader(size_t numEvents) - : mBuffer(new input_event[numEvents * 2]), - mBufferEnd(mBuffer + numEvents), - mHead(mBuffer), - mCurr(mBuffer), - mFreeSpace(numEvents) -{ -} - -InputEventCircularReader::~InputEventCircularReader() -{ - delete [] mBuffer; -} - -ssize_t InputEventCircularReader::fill(int fd) -{ - size_t numEventsRead = 0; - if (mFreeSpace) { - const ssize_t nread = read(fd, mHead, mFreeSpace * sizeof(input_event)); - if (nread<0 || nread % sizeof(input_event)) { - // we got a partial event!! - return nread<0 ? -errno : -EINVAL; - } - - numEventsRead = nread / sizeof(input_event); - if (numEventsRead) { - mHead += numEventsRead; - mFreeSpace -= numEventsRead; - if (mHead > mBufferEnd) { - size_t s = mHead - mBufferEnd; - memcpy(mBuffer, mBufferEnd, s * sizeof(input_event)); - mHead = mBuffer + s; - } - } - } - - return numEventsRead; -} - -ssize_t InputEventCircularReader::readEvent(input_event const** events) -{ - *events = mCurr; - ssize_t available = (mBufferEnd - mBuffer) - mFreeSpace; - return available ? 1 : 0; -} - -void InputEventCircularReader::next() -{ - mCurr++; - mFreeSpace++; - if (mCurr >= mBufferEnd) { - mCurr = mBuffer; - } -} -- cgit v1.1