1 /*
2 * Copyright (c) 2021 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
16 /* This file contains ohos config */
17
18 #include "libunwind_i.h"
19
20 #define CONF_LINE_SIZE 1024
21 #define NUMBER_SIXTEEN 16
22
config_unwi_debug_level(void)23 int config_unwi_debug_level(void)
24 {
25 int ret = 0;
26 do {
27 FILE *fp = NULL;
28 fp = fopen("/system/etc/faultlogger.conf", "r");
29 if (fp == NULL) {
30 break;
31 }
32
33 while (!feof(fp)) {
34 char line[CONF_LINE_SIZE] = {0};
35 if (fgets(line, CONF_LINE_SIZE - 1, fp) == NULL) {
36 continue;
37 }
38
39 if (!strncmp("faultlogLogPersist=true", line, strlen("faultlogLogPersist=true"))) {
40 ret = NUMBER_SIXTEEN;
41 } else if (!strncmp("faultlogLogPersist=false", line, strlen("faultlogLogPersist=false"))) {
42 ret = 0;
43 }
44 }
45 fclose(fp);
46 } while (0);
47 return ret;
48 }
49