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+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef JERR_HOOK_H_
+#define JERR_HOOK_H_
+
+extern "C" {
+#include "jinclude.h"
+#include "jpeglib.h"
+#include "jerror.h"
+}
+
+#include <setjmp.h>
+
+/**
+ * ErrManager replaces libjpeg's default error handling with
+ * the following behavior:
+ * - libjpeg function calls return to the position set by
+ * setjmp for error cleanup.
+ * - libjpeg error and warning messages are printed to
+ * logcat's error output.
+ */
+typedef struct {
+ struct jpeg_error_mgr mgr;
+ jmp_buf setjmp_buf;
+} ErrManager;
+
+void SetupErrMgr(j_common_ptr cinfo, ErrManager* errMgr);
+
+#endif // JERR_HOOK_H_