event_tag_map.h revision dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0 
1/*
2 * Copyright (C) 2007 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 _LIBS_CUTILS_EVENTTAGMAP_H
18#define _LIBS_CUTILS_EVENTTAGMAP_H
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
24#define EVENT_TAG_MAP_FILE  "/system/etc/event-log-tags"
25
26struct EventTagMap;
27typedef struct EventTagMap EventTagMap;
28
29/*
30 * Open the specified file as an event log tag map.
31 *
32 * Returns NULL on failure.
33 */
34EventTagMap* android_openEventTagMap(const char* fileName);
35
36/*
37 * Close the map.
38 */
39void android_closeEventTagMap(EventTagMap* map);
40
41/*
42 * Look up a tag by index.  Returns the tag string, or NULL if not found.
43 */
44const char* android_lookupEventTag(const EventTagMap* map, int tag);
45
46#ifdef __cplusplus
47}
48#endif
49
50#endif /*_LIBS_CUTILS_EVENTTAGMAP_H*/
51