FcLibs/FcUI/src/FcUI_Memory.h - master - vTech/FcApps

FcLibs/FcUI/src/FcUI_Memory.h
81 строка2 KB
vTech
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03 дек 2025, 17:45
03 дек 2025, 17:45ab8382d
#ifndef _FCUI_MEMORY_H_
#define _FCUI_MEMORY_H_

#include "FcUI_Setting.h"
#include "FcUI_Error.h"

typedef struct _FcUI_Memory_t {
	size_t		mSize;
	size_t		mSizePadding;
	uint8_t		mData[sizeof(double)];

}FcUI_Memory_t;

FCUIDEF FcUI_Error_t	FcUI_Memory(FcUI_Memory_t** pMemory, size_t mSize, size_t mSizePaddingNULL);
FCUIDEF FcUI_Error_t	FcUI_Memory_setData(FcUI_Memory_t* pMemory, size_t dataOffset, uint8_t* pData, size_t dataSize);
FCUIDEF uint8_t*		FcUI_Memory_getData(FcUI_Memory_t* pMemory, size_t dataOffset, size_t dataSize);
FCUIDEF size_t 			FcUI_Memory_getSize(FcUI_Memory_t* pMemory);
FCUIDEF FcUI_Error_t	FcUI_Memory_free(FcUI_Memory_t** pMemory);

FCUIDEF FcUI_Error_t FcUI_Memory(FcUI_Memory_t** pMemory, size_t mSize, size_t mSizePaddingNULL) {
	FcUI_Error_t mError;
	uint8_t*	 mData;
	size_t i;
	mError = FCUI_ERROR_NOERROR;

	FCUISAFECALL(mError, (pMemory), FCUI_ERROR_PARAMETERS);

	if (mSize != 0){
		mData = (uint8_t*)realloc(*pMemory, mSize + sizeof(FcUI_Memory_t) + mSizePaddingNULL);
		if (mData) {
			*pMemory = (FcUI_Memory_t*)mData;
			(*pMemory)->mSize = mSize;
			(*pMemory)->mSizePadding = mSizePaddingNULL;
			for (i = mSize; i < mSize + mSizePaddingNULL; i++)
				(*pMemory)->mData[i] = 0;
		}
		FCUISAFECALL(mError, mData, FCUI_ERROR_OOM);
	}

gError:
	return mError;
}

FCUIDEF FcUI_Error_t FcUI_Memory_setData(FcUI_Memory_t* pMemory, size_t dataOffset, uint8_t* pData, size_t dataSize) {
	size_t i, j;
	FcUI_Error_t mError = FCUI_ERROR_NOERROR;
	FCUISAFECALL(mError, pMemory, FCUI_ERROR_PARAMETERS);
	dataSize = min(dataOffset + dataSize, pMemory->mSize);
	for (i = dataOffset, j = 0; i < dataSize; i++, j++) {
		pMemory->mData[i] = pData[j];
	}
	for (i = pMemory->mSize; i < pMemory->mSize + pMemory->mSizePadding;  i++) {
		pMemory->mData[i] = 0;
	}
gError:
	return mError;
}

FCUIDEF uint8_t* FcUI_Memory_getData(FcUI_Memory_t* pMemory, size_t dataOffset, size_t dataSize) {
	uint8_t* mPointer;
	mPointer = NULL;
	if (pMemory) 
		mPointer = pMemory->mSize < dataOffset + dataSize ? NULL : pMemory->mData + dataOffset;
	return mPointer;
}

FCUIDEF FcUI_Error_t FcUI_Memory_free(FcUI_Memory_t** pMemory) {
	FcUI_Error_t mError;
	mError = FCUI_ERROR_NOERROR;
	FCUISAFECALL(mError, pMemory, FCUI_ERROR_PARAMETERS);
	free(*pMemory);
	*pMemory = NULL;
gError:
	return mError;
}

FCUIDEF size_t 			FcUI_Memory_getSize(FcUI_Memory_t* pMemory){
	return pMemory ? pMemory->mSize : 0;
}

#endif //_FCUI_MEMORY_H_