Sylvestre Ledru
d202425336
replaced by .editorconfig # ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D287875
31 lines
892 B
C++
31 lines
892 B
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "FuzzingMutate.h"
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#include "FuzzingTraits.h"
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namespace mozilla {
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namespace fuzzing {
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/**
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* Randomly mutates a byte inside |aData| by using bit manipulation.
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*/
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/* static */
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void FuzzingMutate::ChangeBit(uint8_t* aData, size_t aLength) {
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size_t offset = RandomIntegerRange<size_t>(0, aLength);
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aData[offset] ^= (1 << FuzzingTraits::Random(9));
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}
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/**
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* Randomly replaces a byte inside |aData| with one in the range of [0, 255].
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*/
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/* static */
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void FuzzingMutate::ChangeByte(uint8_t* aData, size_t aLength) {
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size_t offset = RandomIntegerRange<size_t>(0, aLength);
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aData[offset] = RandomInteger<unsigned char>();
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}
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} // namespace fuzzing
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} // namespace mozilla
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