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      1 /*
      2  * Copyright (C) 2013 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 JERR_HOOK_H_
     18 #define JERR_HOOK_H_
     19 
     20 extern "C" {
     21 #include "jinclude.h"
     22 #include "jpeglib.h"
     23 #include "jerror.h"
     24 }
     25 
     26 #include <setjmp.h>
     27 
     28 /**
     29  * ErrManager replaces libjpeg's default error handling with
     30  * the following behavior:
     31  * - libjpeg function calls return to the position set by
     32  *   setjmp for error cleanup.
     33  * - libjpeg error and warning messages are printed to
     34  *   logcat's error output.
     35  */
     36 typedef struct {
     37     struct jpeg_error_mgr mgr;
     38     jmp_buf setjmp_buf;
     39 } ErrManager;
     40 
     41 void SetupErrMgr(j_common_ptr cinfo, ErrManager* errMgr);
     42 
     43 #endif // JERR_HOOK_H_
     44