45 lines
1.1 KiB
Plaintext
45 lines
1.1 KiB
Plaintext
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "NSDataBigString.h"
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namespace facebook {
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namespace react {
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static NSData *ensureNullTerminated(NSData *source)
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{
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if (!source || source.length == 0) {
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return nil;
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}
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NSUInteger sourceLength = source.length;
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unsigned char lastByte;
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[source getBytes:&lastByte range:NSMakeRange(sourceLength - 1, 1)];
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// TODO: bundles from the packager should always include a NULL byte
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// or we should we relax this requirement and only read as much from the
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// buffer as length indicates
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if (lastByte == '\0') {
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return source;
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} else {
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NSMutableData *data = [source mutableCopy];
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unsigned char nullByte = '\0';
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[data appendBytes:&nullByte length:1];
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return data;
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}
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}
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NSDataBigString::NSDataBigString(NSData *data)
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{
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m_length = [data length];
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m_data = ensureNullTerminated(data);
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}
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} }
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