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Handle bad ninepatch data.

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Changes proposed by Ben Hawkes of Google Project Zero.

NinePatchPeeker.cpp:
Instead of asserting, return false for bad data.

ResourceTypes.h:
Store ninepatch values as unsigned.

BUG:19151999
Change-Id: Ibe35e7569f632c6bb8a34a7701e26bb6ed547ec2
This commit is contained in:
Leon Scroggins III
2015-01-27 11:12:02 -05:00
committed by Leon Scroggins
parent aa6945ac79
commit a730ef3f77
2 changed files with 6 additions and 4 deletions
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6
include/androidfw/ResourceTypes.h
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@@ -118,9 +118,9 @@ struct Res_png_9patch
yDivsOffset(0), colorsOffset(0) { }
int8_t wasDeserialized;
int8_t numXDivs;
int8_t numYDivs;
int8_t numColors;
uint8_t numXDivs;
uint8_t numYDivs;
uint8_t numColors;
// The offset (from the start of this structure) to the xDivs & yDivs
// array for this 9patch. To get a pointer to this array, call