[Dev] Windows Kernel - ExAllocatePoolWithTag / ExFreePool

[nixawk]

NTSTATUS ntstatus;

UNICODE_STRING dst = {0};
UNICODE_STRING src = RTL_CONSTANT_STRING(L"Allocate Example");

dst.Buffer = (PWCHAR)ExAllocatePoolWithTag(NonPagedPool, src.Length, 'TEST');
if (dst.Buffer == NULL)
{
    DbgPrint(".....");
    ntstatus = STATUS_INSUFFICIENT_RESOURCES;
}
dst.Length = dst.MaximumLength = src.Length;
RtlCopyUnicodeString(&dst, &src);

ExFreePool(dst.Buffer);
dst.Buffer = NULL;
dst.Length = dst.MaximumLength = 0;