?? lvclassbuffer.cpp
字號:
/**
\date June 17, 2005
\author Qizhen Ruan
*/
#include "LvClassBuffer.h"
#include <memory.h>
// General Class
int __stdcall CreateBuffer(const char data[], int size, char** bufPointer)
{
char* buffer = new char[size+4];
*((int*)buffer) = size;
memcpy (buffer+4, data, size);
*bufPointer = buffer;
return 0;
}
int __stdcall DestroyBuffer(char* bufPointer)
{
delete[] bufPointer;
return 0;
}
int __stdcall GetBufferSize(char* bufPointer, int* size)
{
*size = * ((int*)bufPointer);
return 0;
}
int __stdcall GetBufferData(char* bufPointer, char* data)
{
int size = * ((int*)bufPointer);
memcpy (data, bufPointer+4, size);
return 0;
}
int __stdcall SetBufferData(char* bufPointer, const char data[])
{
int size;
GetBufferSize(bufPointer, &size);
memcpy (bufPointer+4, data, size);
return 0;
}
int __stdcall CopyBuffer(char* bufPointer, char** newBufPointer)
{
int size = * ((int*)bufPointer);
char* buffer = new char[size+4];
*((int*)buffer) = size;
memcpy (buffer, bufPointer, size+4);
*newBufPointer = buffer;
return 0;
}
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