1 /*
2 * Copyright (C) 2018 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 <stdio.h>
18 #include <iostream>
19 #include <string>
20 #include <vector>
21
22 #include <android-base/strings.h>
23
24 static std::string pathToFilename(const std::string& path, bool noext = false) {
25 std::vector<std::string> spath = android::base::Split(path, "/");
26 std::string ret = spath.back();
27
28 if (noext) {
29 size_t lastindex = ret.find_last_of('.');
30 return ret.substr(0, lastindex);
31 }
32 return ret;
33 }
34
getMachineKvers(void)35 static int getMachineKvers(void) {
36 struct utsname un;
37 char* unameOut;
38 int nums[3]; // maj, min, sub
39
40 if (uname(&un)) return -1;
41 unameOut = un.release;
42
43 std::string s = unameOut;
44 std::string token;
45 size_t pos = 0;
46 int cur_num = 0;
47
48 while ((pos = s.find('.')) != std::string::npos && cur_num < 3) {
49 token = s.substr(0, pos);
50 s.erase(0, pos + 1);
51
52 if ((pos = token.find('-')) != std::string::npos) token = token.substr(0, pos);
53
54 nums[cur_num++] = stoi(token);
55 }
56
57 if ((pos = s.find('-')) != std::string::npos)
58 token = s.substr(0, pos);
59 else
60 token = s;
61
62 if (token.length() > 0 && cur_num < 3) {
63 nums[cur_num++] = stoi(token);
64 }
65
66 if (cur_num != 3)
67 return -1;
68 else
69 return (65536 * nums[0] + 256 * nums[1] + nums[2]);
70 }
71
deslash(std::string & s)72 static void deslash(std::string& s) {
73 std::replace(s.begin(), s.end(), '/', '_');
74 }
75