1 /*
2 * Copyright (C) 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <stdlib.h>
18 #include "../includes/common.h"
19 #include "minikin/LayoutUtils.h"
20
21 using namespace minikin;
22
main()23 int main() {
24 // This PoC reuses the testcase provided in the GTest "BidiCtrl"
25 // of LayoutSplitterTest.cpp
26 const uint16_t testCase[] = {0x2066, 0x2069, 0x202A, 0x202E, 0x200E, 0x200F};
27 size_t offset = 0;
28 size_t len = sizeof(testCase) / sizeof(uint16_t);
29 return (getNextWordBreakForCache(U16StringPiece(testCase, len), offset) == len)
30 ? EXIT_VULNERABLE
31 : EXIT_SUCCESS;
32 }
33