1 /* 2 * Copyright (C) 2016 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 #ifndef _ROTATE_LOGS_H 18 #define _ROTATE_LOGS_H 19 20 #include <stddef.h> 21 #include <sys/types.h> 22 23 #include <log/log_id.h> 24 25 static constexpr int KEEP_LOG_COUNT = 10; 26 27 ssize_t logbasename(log_id_t id, char prio, const char* filename, const char* buf, size_t len, 28 void* arg); 29 30 ssize_t logrotate(log_id_t id, char prio, const char* filename, const char* buf, size_t len, 31 void* arg); 32 33 // Rename last_log -> last_log.1 -> last_log.2 -> ... -> last_log.$max. 34 // Similarly rename last_kmsg -> last_kmsg.1 -> ... -> last_kmsg.$max. 35 // Overwrite any existing last_log.$max and last_kmsg.$max. 36 void rotate_logs(const char* last_log_file, const char* last_kmsg_file); 37 38 #endif //_ROTATE_LOG_H 39
