blob: 9109eb11c32703691c5a37f066edeb3e70dfb154 [file] [log] [blame] [edit]
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <string>
#include <vector>
#include <log/logcat.h>
int main(int argc, char** argv, char** envp) {
android_logcat_context ctx = create_android_logcat();
if (!ctx) return -1;
signal(SIGPIPE, exit);
// Save and detect presence of -L or --last flag
std::vector<std::string> args;
bool last = false;
for (int i = 0; i < argc; ++i) {
if (!argv[i]) continue;
args.push_back(std::string(argv[i]));
if (!strcmp(argv[i], "-L") || !strcmp(argv[i], "--last")) last = true;
}
// Generate argv from saved content
std::vector<const char*> argv_hold;
for (auto& str : args) argv_hold.push_back(str.c_str());
argv_hold.push_back(nullptr);
int ret = 0;
if (last) {
// Run logcat command with -L flag
ret = android_logcat_run_command(ctx, -1, -1, argv_hold.size() - 1,
(char* const*)&argv_hold[0], envp);
// Remove -L and --last flags from argument list
for (std::vector<const char*>::iterator it = argv_hold.begin();
it != argv_hold.end();) {
if (!*it || (strcmp(*it, "-L") && strcmp(*it, "--last"))) {
++it;
} else {
it = argv_hold.erase(it);
}
}
// fall through to re-run the command regardless of the arguments
// passed in. For instance, we expect -h to report help stutter.
}
// Run logcat command without -L flag
int retval = android_logcat_run_command(ctx, -1, -1, argv_hold.size() - 1,
(char* const*)&argv_hold[0], envp);
if (!ret) ret = retval;
retval = android_logcat_destroy(&ctx);
if (!ret) ret = retval;
return ret;
}