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
__android_log_error_write(int tag,const char * subTag,int32_t uid,const char * data,uint32_t dataLen)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