1 /**
2 * Copyright (C) 2021 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 <FontUtils.h>
18 #include <unistd.h>
19 #include "../includes/common.h"
20 #include "../includes/memutils.h"
21
22 using namespace minikin;
23
24 char enable_selective_overload = ENABLE_NONE;
25
26 bool isTestInProgress = false;
27
28 struct sigaction new_action, old_action;
29
sigsegv_handler(int signum,siginfo_t * info,void * context)30 void sigsegv_handler(int signum, siginfo_t *info, void* context) {
31 if (isTestInProgress && info->si_signo == SIGSEGV) {
32 (*old_action.sa_sigaction)(signum, info, context);
33 return;
34 }
35 _exit (EXIT_FAILURE);
36 }
37
main()38 int main() {
39 sigemptyset(&new_action.sa_mask);
40 new_action.sa_flags = SA_SIGINFO;
41 new_action.sa_sigaction = sigsegv_handler;
42 sigaction(SIGSEGV, &new_action, &old_action);
43
44 uint8_t majorVersion = 1;
45 uint8_t minorVersion = 0;
46 uint8_t axisOffset = 0x10;
47 uint8_t axisCount = 0xFF;
48 uint8_t axisSize = 0x14;
49
50 size_t allocatedSize = sizeof(uint8_t) * 16;
51 enable_selective_overload = ENABLE_ALL;
52 uint8_t* fvarData = (uint8_t*) malloc(allocatedSize);
53 enable_selective_overload = ENABLE_FREE_CHECK | ENABLE_REALLOC_CHECK;
54 FAIL_CHECK(fvarData);
55 memset(fvarData, 0x0, allocatedSize);
56
57 fvarData[1] = majorVersion;
58 fvarData[3] = minorVersion;
59 fvarData[5] = axisOffset;
60 fvarData[8] = axisCount;
61 fvarData[9] = axisCount;
62 fvarData[11] = axisSize;
63
64 size_t fvarSize = axisOffset + axisOffset * ((axisCount << 8) | axisCount);
65 std::unordered_set < uint32_t > axes;
66 isTestInProgress = true;
67 analyzeAxes(fvarData, fvarSize, &axes);
68 isTestInProgress = false;
69 free(fvarData);
70 return EXIT_SUCCESS;
71 }
72