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      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*/
     51