72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string>
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#include <vector>
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#include <log/logcat.h>
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int main(int argc, char** argv, char** envp) {
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android_logcat_context ctx = create_android_logcat();
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if (!ctx) return -1;
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signal(SIGPIPE, exit);
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// Save and detect presence of -L or --last flag
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std::vector<std::string> args;
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bool last = false;
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for (int i = 0; i < argc; ++i) {
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if (!argv[i]) continue;
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args.push_back(std::string(argv[i]));
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if (!strcmp(argv[i], "-L") || !strcmp(argv[i], "--last")) last = true;
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}
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// Generate argv from saved content
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std::vector<const char*> argv_hold;
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for (auto& str : args) argv_hold.push_back(str.c_str());
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argv_hold.push_back(nullptr);
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int ret = 0;
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if (last) {
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// Run logcat command with -L flag
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ret = android_logcat_run_command(ctx, -1, -1, argv_hold.size() - 1,
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(char* const*)&argv_hold[0], envp);
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// Remove -L and --last flags from argument list
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for (std::vector<const char*>::iterator it = argv_hold.begin();
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it != argv_hold.end();) {
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if (!*it || (strcmp(*it, "-L") && strcmp(*it, "--last"))) {
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++it;
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} else {
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it = argv_hold.erase(it);
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}
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}
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// fall through to re-run the command regardless of the arguments
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// passed in. For instance, we expect -h to report help stutter.
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}
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// Run logcat command without -L flag
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int retval = android_logcat_run_command(ctx, -1, -1, argv_hold.size() - 1,
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(char* const*)&argv_hold[0], envp);
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if (!ret) ret = retval;
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retval = android_logcat_destroy(&ctx);
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if (!ret) ret = retval;
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return ret;
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}
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