1 /**
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include <execinfo.h>
16 #include <stdlib.h>
17 #include <string.h>
18 #include "functionalext.h"
19
20 #define ZERO_LENGTH 0
21 #define INVALID_LENGTH (-1)
22 #define VALID_LENGTH 1
23 #define ZERO_RESULT 0
24 #define BT_BUF_SIZE 100
25 #define SUCCESS_RESULT 1
26 #define FAILURE_RESULT 0
27
checkString(char **bt_strings, int bt_size)28 int checkString(char **bt_strings, int bt_size)
29 {
30 for (int i = 0; i < bt_size; ++i) {
31 char *str = bt_strings[i];
32 char *left = strstr(str, "<");
33 char *right = strstr(str, ">");
34 if (left == NULL || right == NULL || left >= right) {
35 continue;
36 }
37 int flag = 0;
38 for (; left < right; left++) {
39 if (*left == '?') {
40 flag = 1;
41 break;
42 }
43 }
44 if (!flag) {
45 continue;
46 }
47 right = strstr(str, "/");
48 char *lastPtr = str + strlen(str);
49 if (right == NULL) {
50 continue;
51 }
52 for (; right != lastPtr; ++right) {
53 if (*right != '?') {
54 continue;
55 }
56 }
57 return FAILURE_RESULT;
58 }
59 return SUCCESS_RESULT;
60 }
61
backtrace_1001null62 void backtrace_1001()
63 {
64 void *frames[10];
65 EXPECT_EQ("backtrace_1001", ZERO_RESULT, backtrace(frames, ZERO_LENGTH));
66 }
67
backtrace_1002_supplementnull68 int backtrace_1002_supplement()
69 {
70 void *frames[10];
71 return backtrace(frames, VALID_LENGTH);
72 }
73
backtrace_1002null74 void backtrace_1002()
75 {
76 EXPECT_LT("backtrace_1002", 0, backtrace_1002_supplement());
77 }
78
backtrace_1003null79 void backtrace_1003()
80 {
81 void *bt_buffer[BT_BUF_SIZE];
82 int bt_size = backtrace(bt_buffer, BT_BUF_SIZE);
83 char **bt_strings = backtrace_symbols(bt_buffer, bt_size);
84 EXPECT_PTRNE("backtrace_1003", bt_strings, NULL);
85 EXPECT_TRUE("backtrace_1003_checkString", checkString(bt_strings, bt_size));
86 free(bt_strings);
87 }
88
mainnull89 int main()
90 {
91 backtrace_1001();
92 backtrace_1002();
93 backtrace_1003();
94 return t_status;
95 }