unsafe-memcpy-for-java/native/UnsafeArraysImpl.h

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2024-04-12 23:20:09 -07:00
/*
* Copyright (c) 2024 lax1dude
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS <EFBFBD>AS IS<EFBFBD>
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <jni.h>
#include "utils.h"
#define UNSAFE_ARRAYS_GET_ELEMENTS_IMPL(jniHandle, array, elementType, getElementsFunction)\
elementType* srcArray = (*jniHandle)->getElementsFunction(jniHandle, array, NULL);\
if(!srcArray) {\
unsafeThrowOutOfMemory(jniHandle);\
return 0;\
}\
return (jlong)srcArray;\
#define UNSAFE_ARRAYS_GET_ELEMENTS_IMPL_IS_COPY(jniHandle, array, elementType, getElementsFunction, isCopy)\
jboolean wasCopied;\
elementType* srcArray = (*jniHandle)->getElementsFunction(jniHandle, array, NULL);\
if(isCopy) {\
(*jniHandle)->SetBooleanArrayRegion(jniHandle, isCopy, 0, 1, &wasCopied);\
}\
if(!srcArray) {\
unsafeThrowOutOfMemory(jniHandle);\
return 0;\
}\
return (jlong)srcArray;\
#define UNSAFE_ARRAYS_RELEASE_ELEMENTS_IMPL(jniHandle, array, ptr, elementType, releaseElementsFunction, mode)\
(*jniHandle)->releaseElementsFunction(jniHandle, array, (elementType*)ptr, mode);