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[NoCopyRendering] In non-VM case, use calloc to get a zerod buffer. (#869)

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Adlai Holler 2018-04-04 13:32:23 -07:00 committed by GitHub
parent e748d053d1
commit e90ba47a13
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2 changed files with 2 additions and 1 deletions
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1
Source/ASCGImageBuffer.h
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@ -19,6 +19,7 @@ NS_ASSUME_NONNULL_BEGIN
AS_SUBCLASSING_RESTRICTED AS_SUBCLASSING_RESTRICTED
@interface ASCGImageBuffer : NSObject @interface ASCGImageBuffer : NSObject
/// Init a zero-filled buffer with the given length.
- (instancetype)initWithLength:(NSUInteger)length; - (instancetype)initWithLength:(NSUInteger)length;
@property (readonly) void *mutableBytes NS_RETURNS_INNER_POINTER; @property (readonly) void *mutableBytes NS_RETURNS_INNER_POINTER;

2
Source/ASCGImageBuffer.m
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@ -47,7 +47,7 @@
// Check the VM flag again because we may have failed above. // Check the VM flag again because we may have failed above.
if (!_isVM) { if (!_isVM) {
_mutableBytes = malloc(length); _mutableBytes = calloc(1, length);
} }
} }
return self; return self;