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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_EVENTS_OZONE_EVDEV_EVENT_DEVICE_UTIL_H_
#define UI_EVENTS_OZONE_EVDEV_EVENT_DEVICE_UTIL_H_
#include <limits.h>
namespace ui {
#define EVDEV_LONG_BITS (CHAR_BIT * sizeof(long))
#define EVDEV_BITS_TO_LONGS(x) (((x) + EVDEV_LONG_BITS - 1) / EVDEV_LONG_BITS)
static inline bool EvdevBitIsSet(const unsigned long* data, int bit) {
return data[bit / EVDEV_LONG_BITS] & (1UL << (bit % EVDEV_LONG_BITS));
}
static inline void EvdevSetBit(unsigned long* data, int bit) {
data[bit / EVDEV_LONG_BITS] |= (1UL << (bit % EVDEV_LONG_BITS));
}
} // namespace ui
#endif // UI_EVENTS_OZONE_EVDEV_EVENT_DEVICE_UTIL_H_