public override unsafe void *Reallocate(void *pointer, int elementCount, int elementSize = 1, bool initMemory = true)
{
if (pointer == null)
{
throw new ArgumentException("Invalid pointer");
}
if (elementCount <= 0)
{
throw new ArgumentException(elementCount.ToString(), nameof(elementCount));
}
if (elementSize <= 0)
{
throw new ArgumentException(elementSize.ToString(), nameof(elementSize));
}
LocalMemoryFlags flags = initMemory ? LocalMemoryFlags.LMEM_MOVEABLE | LocalMemoryFlags.LMEM_ZEROINIT : LocalMemoryFlags.LMEM_MOVEABLE;
void * newPointer = Kernel32LocalMemory.LocalReAlloc(pointer, (uint)(elementCount * elementSize), flags);
if (newPointer == null)
{
Console.WriteLine(Marshal.GetLastWin32Error());
throw new OutOfMemoryException();
}
return(newPointer);
}
public override unsafe void Free(void *pointer)
{
if (Kernel32LocalMemory.LocalFree(pointer) != null)
{
throw new ArgumentException("Invalid pointer");
}
}
public int SizeOf(void *pointer)
{
if (pointer == null)
{
throw new ArgumentException("Invalid pointer");
}
return((int)Kernel32LocalMemory.LocalSize(pointer));
}
public override unsafe void *Allocate(int elementCount, int elementSize = 1, bool initMemory = true)
{
if (elementCount <= 0)
{
throw new ArgumentException(elementCount.ToString(), nameof(elementCount));
}
if (elementSize <= 0)
{
throw new ArgumentException(elementSize.ToString(), nameof(elementSize));
}
LocalMemoryFlags flags = initMemory? LocalMemoryFlags.LPTR: LocalMemoryFlags.LMEM_FIXED;
void * pointer = Kernel32LocalMemory.LocalAlloc(flags, (uint)(elementCount * elementSize));
if (pointer == null)
{
throw new OutOfMemoryException();
}
return(pointer);
}
