[System.Security.SecurityCritical] // auto-generated
private static unsafe ulong MemFreeAfterAddress(void * address, ulong size)
{
if (size >= TopOfMemory)
return 0;
ulong largestFreeRegion = 0;
Win32Native.MEMORY_BASIC_INFORMATION memInfo = new Win32Native.MEMORY_BASIC_INFORMATION();
UIntPtr sizeOfMemInfo = (UIntPtr) Marshal.SizeOf(memInfo);
while (((ulong)address) + size < TopOfMemory) {
UIntPtr r = Win32Native.VirtualQuery(address, ref memInfo, sizeOfMemInfo);
if (r == UIntPtr.Zero)
__Error.WinIOError();
ulong regionSize = memInfo.RegionSize.ToUInt64();
if (memInfo.State == Win32Native.MEM_FREE) {
if (regionSize >= size)
return regionSize;
else
largestFreeRegion = Math.Max(largestFreeRegion, regionSize);
}
address = (void *) ((ulong) address + regionSize);
}
return largestFreeRegion;
}
private static unsafe ulong MemFreeAfterAddress(void* address, ulong size)
{
if (size >= TopOfMemory)
{
return 0L;
}
ulong num = 0L;
Win32Native.MEMORY_BASIC_INFORMATION structure = new Win32Native.MEMORY_BASIC_INFORMATION();
IntPtr sizeOfBuffer = (IntPtr) Marshal.SizeOf(structure);
while ((((ulong) address) + size) < TopOfMemory)
{
if (Win32Native.VirtualQuery(address, ref structure, sizeOfBuffer) == IntPtr.Zero)
{
__Error.WinIOError();
}
ulong num2 = structure.RegionSize.ToUInt64();
if (structure.State == 0x10000)
{
if (num2 >= size)
{
return num2;
}
num = Math.Max(num, num2);
}
address = (void*) (((ulong) address) + num2);
}
return num;
}
