ui/events/ozone/evdev/event_device_util.h - Issue 851853002: It is time.

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Side by Side Diff: ui/events/ozone/evdev/event_device_util.h

Issue 851853002: It is time. (Closed) Base URL: https://github.com/domokit/mojo.git@master

Patch Set: Trying to reup because the last upload failed. Created 5 years, 11 months ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #ifndef UI_EVENTS_OZONE_EVDEV_EVENT_DEVICE_UTIL_H_

6 #define UI_EVENTS_OZONE_EVDEV_EVENT_DEVICE_UTIL_H_

7

8 #include <limits.h>

9

10 namespace ui {

11

12 #define EVDEV_LONG_BITS (CHAR_BIT * sizeof(long))

13 #define EVDEV_BITS_TO_LONGS(x) (((x) + EVDEV_LONG_BITS - 1) / EVDEV_LONG_BITS)

14

15 static inline bool EvdevBitIsSet(const unsigned long* data, int bit) {

16 return data[bit / EVDEV_LONG_BITS] & (1UL << (bit % EVDEV_LONG_BITS));

17 }

18

19 } // namespace ui

20

21 #endif // UI_EVENTS_OZONE_EVDEV_EVENT_DEVICE_UTIL_H_

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