You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.4 KiB
55 lines
1.4 KiB
/*
|
|
* Copyright (c) 2015 - present Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under the BSD style license found in the
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
|
*/
|
|
|
|
#import <Foundation/NSObject.h>
|
|
#include <stdlib.h>
|
|
|
|
NSData* __objc_alloc(NSData*);
|
|
|
|
@interface NSData : NSObject
|
|
|
|
@property(nonatomic, readonly) const void* bytes;
|
|
|
|
+ (instancetype)dataWithBytesNoCopy:(void*)bytes length:(NSUInteger)length;
|
|
+ (instancetype)dataWithBytesNoCopy:(void*)bytes
|
|
length:(NSUInteger)length
|
|
freeWhenDone:(BOOL)b;
|
|
|
|
@end
|
|
|
|
@implementation NSData
|
|
|
|
+ (instancetype)dataWithBytesNoCopy:(void*)bytes length:(NSUInteger)length {
|
|
return [NSData dataWithBytesNoCopy:bytes length:length freeWhenDone:YES];
|
|
}
|
|
|
|
+ (instancetype)dataWithBytesNoCopy:(void*)bytes
|
|
length:(NSUInteger)length
|
|
freeWhenDone:(BOOL)b {
|
|
NSData* data = __objc_alloc(self);
|
|
if (data) {
|
|
data->_bytes = bytes;
|
|
return data;
|
|
} else
|
|
return nil;
|
|
}
|
|
|
|
- (instancetype)initWithBytesNoCopy:(void*)bytes
|
|
length:(NSUInteger)length
|
|
freeWhenDone:(BOOL)flag {
|
|
self->_bytes = bytes;
|
|
return self;
|
|
}
|
|
|
|
- (void)dealloc {
|
|
if (self)
|
|
free(self->_bytes);
|
|
}
|
|
@end
|