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 #include <cstdio>
17 #include <cstdlib>
18 #include <iostream>
19 #include <string>
20 #include <unistd.h>
21 #include <vector>
22
23 enum EXIT_CODES {
24 EXIT_INVALID_ARGS = EXIT_SUCCESS + 1,
25 EXIT_READ_PACKAGE_ERROR = 2,
26 EXIT_FOUND_SCRIPT_ERROR = 3,
27 EXIT_PARSE_SCRIPT_ERROR = 4,
28 EXIT_EXEC_SCRIPT_ERROR = 5,
29 };
30
main(int argc,char ** argv)31 int main(int argc, char **argv)
32 {
33 constexpr int lessArgIndex = 2;
34 constexpr int withRetry = 3;
35 constexpr int decimal = 10;
36 if (argc < lessArgIndex) {
37 std::cout << "Invalid arguments\n";
38 return EXIT_INVALID_ARGS;
39 }
40
41 bool retry = false;
42 int pipeFd = static_cast<int>(std::strtol(argv[1], nullptr, decimal));
43 if (argc >= withRetry && strcmp(argv[withRetry - 1], "retry") == 0) {
44 retry = true;
45 }
46 FILE *pipeWrite = fdopen(pipeFd, "w");
47 if (pipeWrite == nullptr) {
48 std::cout << "Failed to fdopen\n";
49 return EXIT_INVALID_ARGS;
50 }
51
52 setlinebuf(pipeWrite);
53 fclose(pipeWrite);
54 // Return failure directly.
55 return EXIT_PARSE_SCRIPT_ERROR;
56 }
57
58