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 19 #include <log/log.h> 20 21 #include "log_portability.h" 22 23 #define MAX_SUBTAG_LEN 32 24 25 LIBLOG_ABI_PUBLIC int __android_log_error_write( 26 int tag, 27 const char *subTag, 28 int32_t uid, 29 const char *data, uint32_t dataLen) 30 { 31 int ret = -EINVAL; 32 33 if (subTag && (data || !dataLen)) { 34 android_log_context ctx = create_android_logger(tag); 35 36 ret = -ENOMEM; 37 if (ctx) { 38 ret = android_log_write_string8_len(ctx, subTag, MAX_SUBTAG_LEN); 39 if (ret >= 0) { 40 ret = android_log_write_int32(ctx, uid); 41 if (ret >= 0) { 42 ret = android_log_write_string8_len(ctx, data, dataLen); 43 if (ret >= 0) { 44 ret = android_log_write_list(ctx, LOG_ID_EVENTS); 45 } 46 } 47 } 48 android_log_destroy(&ctx); 49 } 50 } 51 return ret; 52 } 53