cutils/event_tag_map.h

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