9bbff29d9c
Create canonical flattening for SkDescriptor and unflattening for SkAutoDescriptor. Eventually Slug serialization and the remote glyphs cache will use this method for SkDescriptor serialization. Change-Id: Ia4b6be43058aeca19fbfdcf3c5cdd8d703935775 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/505681 Reviewed-by: Kevin Lubick <kjlubick@google.com> Reviewed-by: Ben Wagner <bungeman@google.com> Commit-Queue: Herb Derby <herb@google.com>
40 lines
916 B
C++
40 lines
916 B
C++
/*
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* Copyright 2019 Google, LLC
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "src/core/SkDescriptor.h"
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#include "src/core/SkReadBuffer.h"
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void FuzzSkDescriptorDeserialize(sk_sp<SkData> bytes) {
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SkReadBuffer buffer{bytes->data(), bytes->size()};
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auto sut = SkAutoDescriptor::MakeFromBuffer(buffer);
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if (!sut.has_value()) {
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return;
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}
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auto desc = sut->getDesc();
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desc->computeChecksum();
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desc->isValid();
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// An arbitrary number
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uint32_t tagToFind = 117;
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uint32_t ignore;
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desc->findEntry(tagToFind, &ignore);
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}
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#if defined(SK_BUILD_FOR_LIBFUZZER)
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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if (size > 1024) {
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return 0;
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}
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auto bytes = SkData::MakeWithoutCopy(data, size);
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FuzzSkDescriptorDeserialize(bytes);
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return 0;
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}
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#endif
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