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-rw-r--r--host/lib/convert/convert_pack_sc12.cpp5
-rw-r--r--host/lib/convert/convert_unpack_sc12.cpp5
2 files changed, 10 insertions, 0 deletions
diff --git a/host/lib/convert/convert_pack_sc12.cpp b/host/lib/convert/convert_pack_sc12.cpp
index 322097e34..370e4a3e4 100644
--- a/host/lib/convert/convert_pack_sc12.cpp
+++ b/host/lib/convert/convert_pack_sc12.cpp
@@ -25,6 +25,11 @@ using namespace uhd::convert;
typedef boost::uint32_t (*towire32_type)(boost::uint32_t);
+/* C language specification requires this to be packed
+ * (i.e., line0, line1, line2 will be in adjacent memory locations).
+ * If this was not true, we'd need compiler flags here to specify
+ * alignment/packing.
+ */
struct item32_sc12_3x
{
item32_t line0;
diff --git a/host/lib/convert/convert_unpack_sc12.cpp b/host/lib/convert/convert_unpack_sc12.cpp
index 94b415355..9f7a84300 100644
--- a/host/lib/convert/convert_unpack_sc12.cpp
+++ b/host/lib/convert/convert_unpack_sc12.cpp
@@ -25,6 +25,11 @@ using namespace uhd::convert;
typedef boost::uint32_t (*tohost32_type)(boost::uint32_t);
+/* C language specification requires this to be packed
+ * (i.e., line0, line1, line2 will be in adjacent memory locations).
+ * If this was not true, we'd need compiler flags here to specify
+ * alignment/packing.
+ */
struct item32_sc12_3x
{
item32_t line0;