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
16 #include <cstdio>
17 #include <js_native_api.h>
18 #include <node_api.h>
19 #include <sys/klog.h>
20
21 #define PARAM_0 0
22 #define PARAM_1 1
23 #define PARAM_2 2
24 #define PARAM_UNNORMAL (-1)
25 #define SYSLOG_ACTION_SIZE_BUFFER (10)
Klogctl(napi_env env,napi_callback_info info)26 static napi_value Klogctl(napi_env env, napi_callback_info info)
27 {
28 int len = PARAM_0;
29 char *bufp = nullptr;
30 int ret = klogctl(SYSLOG_ACTION_SIZE_BUFFER, bufp, len);
31 if (ret >= PARAM_0) {
32 ret = PARAM_0;
33 }
34 napi_value result;
35 napi_create_int32(env, ret, &result);
36 return result;
37 }
38
39 EXTERN_C_START
Init(napi_env env,napi_value exports)40 static napi_value Init(napi_env env, napi_value exports)
41 {
42 napi_property_descriptor desc[] = {
43 {"klogctl", nullptr, Klogctl, nullptr, nullptr, nullptr, napi_default, nullptr},
44 };
45 napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
46 return exports;
47 }
48 EXTERN_C_END
49
50 static napi_module demoModule = {
51 .nm_version = 1,
52 .nm_flags = 0,
53 .nm_filename = nullptr,
54 .nm_register_func = Init,
55 .nm_modname = "dirent",
56 .nm_priv = ((void *)0),
57 .reserved = {0},
58 };
59
RegisterEntryModule(void)60 extern "C" __attribute__((constructor)) void RegisterEntryModule(void) { napi_module_register(&demoModule); }
61