diff -Naur acpica-unix2-20200214.orig/source/include/actypes.h acpica-unix2-20200214/source/include/actypes.h
--- acpica-unix2-20200214.orig/source/include/actypes.h	2020-02-25 15:41:26.479349637 -0700
+++ acpica-unix2-20200214/source/include/actypes.h	2020-02-25 15:44:49.519082258 -0700
@@ -561,7 +561,7 @@
 #define ACPI_COPY_NAMESEG(dest,src)     (*ACPI_CAST_PTR (UINT32, (dest)) = *ACPI_CAST_PTR (UINT32, (src)))
 #else
 #define ACPI_COMPARE_NAMESEG(a,b)       (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_CAST_PTR (char, (b)), ACPI_NAMESEG_SIZE))
-#define ACPI_COPY_NAMESEG(dest,src)     (strncpy (ACPI_CAST_PTR (char, (dest)), ACPI_CAST_PTR (char, (src)), ACPI_NAMESEG_SIZE))
+#define ACPI_COPY_NAMESEG(dest,src)     (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_CAST_PTR (char, (src)), ACPI_NAMESEG_SIZE))
 #endif
 
 /* Support for the special RSDP signature (8 characters) */