1 /*
2 * Copyright (C) 2020 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 <err.h>
18 #include <fcntl.h>
19 #include <stdio.h>
20 #include <unistd.h>
21
22 #include <android-base/unique_fd.h>
23 #include <libdebuggerd/tombstone.h>
24
25 #include "tombstone.pb.h"
26
27 using android::base::unique_fd;
28
usage(bool error)29 [[noreturn]] void usage(bool error) {
30 fprintf(stderr, "usage: pbtombstone TOMBSTONE.PB\n");
31 fprintf(stderr, "Convert a protobuf tombstone to text.\n");
32 exit(error);
33 }
34
main(int argc,const char * argv[])35 int main(int argc, const char* argv[]) {
36 if (argc != 2) {
37 usage(true);
38 }
39
40 if (strcmp("-h", argv[1]) == 0 || strcmp("--help", argv[1]) == 0) {
41 usage(false);
42 }
43
44 unique_fd fd(open(argv[1], O_RDONLY | O_CLOEXEC));
45 if (fd == -1) {
46 err(1, "failed to open tombstone '%s'", argv[1]);
47 }
48
49 Tombstone tombstone;
50 if (!tombstone.ParseFromFileDescriptor(fd.get())) {
51 err(1, "failed to parse tombstone");
52 }
53
54 bool result = tombstone_proto_to_text(
55 tombstone, [](const std::string& line, bool) { printf("%s\n", line.c_str()); });
56
57 if (!result) {
58 errx(1, "tombstone was malformed");
59 }
60
61 return 0;
62 }
63