1 /* 2 * Copyright (C) 2015 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 <errno.h> 18 #include <stdint.h> 19 20 #include <log/log.h> 21 #include <log/log_event_list.h> 22 23 #include "log_portability.h" 24 25 #define MAX_SUBTAG_LEN 32 26 27 LIBLOG_ABI_PUBLIC int __android_log_error_write(int tag, const char* subTag, 28 int32_t uid, const char* data, 29 uint32_t dataLen) { 30 int ret = -EINVAL; 31 32 if (subTag && (data || !dataLen)) { 33 android_log_context ctx = create_android_logger(tag); 34 35 ret = -ENOMEM; 36 if (ctx) { 37 ret = android_log_write_string8_len(ctx, subTag, MAX_SUBTAG_LEN); 38 if (ret >= 0) { 39 ret = android_log_write_int32(ctx, uid); 40 if (ret >= 0) { 41 ret = android_log_write_string8_len(ctx, data, dataLen); 42 if (ret >= 0) { 43 ret = android_log_write_list(ctx, LOG_ID_EVENTS); 44 } 45 } 46 } 47 android_log_destroy(&ctx); 48 } 49 } 50 return ret; 51 } 52