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