xref: /aosp_15_r20/external/skia/fuzz/oss_fuzz/FuzzParsePath.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2024 Google LLC
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkPath.h"
8*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkString.h"
9*c8dee2aaSAndroid Build Coastguard Worker #include "include/private/base/SkAssert.h"
10*c8dee2aaSAndroid Build Coastguard Worker #include "include/utils/SkParsePath.h"
11*c8dee2aaSAndroid Build Coastguard Worker 
FuzzParsePath(const uint8_t * data,size_t size)12*c8dee2aaSAndroid Build Coastguard Worker void FuzzParsePath(const uint8_t* data, size_t size) {
13*c8dee2aaSAndroid Build Coastguard Worker     SkPath path;
14*c8dee2aaSAndroid Build Coastguard Worker     // Put into a SkString first because we are not sure if the input
15*c8dee2aaSAndroid Build Coastguard Worker     // data is null-terminated or not.
16*c8dee2aaSAndroid Build Coastguard Worker     SkString input((const char*) data, size);
17*c8dee2aaSAndroid Build Coastguard Worker     if (SkParsePath::FromSVGString(input.c_str(), &path)) {
18*c8dee2aaSAndroid Build Coastguard Worker         SkString output1 = SkParsePath::ToSVGString(path, SkParsePath::PathEncoding::Absolute);
19*c8dee2aaSAndroid Build Coastguard Worker         SkString output2 = SkParsePath::ToSVGString(path, SkParsePath::PathEncoding::Relative);
20*c8dee2aaSAndroid Build Coastguard Worker         // Do something with the output so it is not optimized away.
21*c8dee2aaSAndroid Build Coastguard Worker         if (output1.startsWith("Impossible") || output2.startsWith("Impossible")) {
22*c8dee2aaSAndroid Build Coastguard Worker             SK_ABORT("invalid SVG created");
23*c8dee2aaSAndroid Build Coastguard Worker         }
24*c8dee2aaSAndroid Build Coastguard Worker     }
25*c8dee2aaSAndroid Build Coastguard Worker }
26*c8dee2aaSAndroid Build Coastguard Worker 
27*c8dee2aaSAndroid Build Coastguard Worker #if defined(SK_BUILD_FOR_LIBFUZZER)
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)28*c8dee2aaSAndroid Build Coastguard Worker extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
29*c8dee2aaSAndroid Build Coastguard Worker     if (size > 1000) {
30*c8dee2aaSAndroid Build Coastguard Worker         return 0;
31*c8dee2aaSAndroid Build Coastguard Worker     }
32*c8dee2aaSAndroid Build Coastguard Worker     FuzzParsePath(data, size);
33*c8dee2aaSAndroid Build Coastguard Worker     return 0;
34*c8dee2aaSAndroid Build Coastguard Worker }
35*c8dee2aaSAndroid Build Coastguard Worker #endif
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