ADHOC
/
replicant-frameworks_native
3
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

am 76fc5f18: am 16b0ae10: Merge "add number constraint for samples per MotionEvent" into mnc-dr-dev 

* commit '76fc5f18e6a0271a1f04db54924653faac73912e':
  add number constraint for samples per MotionEvent
This commit is contained in:
Adam Lesinski 2015-10-12 22:30:10 +00:00 committed by Android Git Automerger
parent 7b2b968db4 76fc5f18e6
commit 5bba4236a8
2 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/input/Input.h
View File

@ -110,6 +110,11 @@ enum {
*/
#define MAX_POINTERS 16
/*
* Maximum number of samples supported per motion event.
*/
#define MAX_SAMPLES UINT16_MAX
/*
* Maximum pointer id value supported in a motion event.
* Smallest pointer id is 0.

3
libs/input/Input.cpp
View File

@ -424,7 +424,8 @@ void MotionEvent::transform(const float matrix[9]) {
status_t MotionEvent::readFromParcel(Parcel* parcel) {
size_t pointerCount = parcel->readInt32();
size_t sampleCount = parcel->readInt32();
if (pointerCount == 0 || pointerCount > MAX_POINTERS || sampleCount == 0) {
if (pointerCount == 0 || pointerCount > MAX_POINTERS ||
sampleCount == 0 || sampleCount > MAX_SAMPLES) {
return BAD_VALUE;
}