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35 lines
824 B
35 lines
824 B
10 years ago
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#import <Foundation/NSObject.h>
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#include <stdlib.h>
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NSData* __objc_alloc(NSData*);
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@interface NSData : NSObject
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@property (readonly) const void *bytes;
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+ (instancetype)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length;
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+ (instancetype)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length freeWhenDone:(BOOL)b;
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@end
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@implementation NSData
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+ (instancetype)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length {
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return [NSData dataWithBytesNoCopy:bytes length:length freeWhenDone:YES];
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}
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+ (instancetype)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length freeWhenDone:(BOOL)b {
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NSData* data = __objc_alloc(self);
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if (data) {
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data->_bytes = bytes;
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return data;
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}
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else return nil;
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}
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- (void) dealloc {
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if (self)
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free(self->_bytes);
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}
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@end
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