validate canons without yatest_common

1 files changed, 32 insertions, 0 deletions

diff --git a/library/cpp/xdelta3/state/merge.h b/library/cpp/xdelta3/state/merge.h
new file mode 100644
index 0000000000..a93106c7d9
--- /dev/null
+++ b/library/cpp/xdelta3/state/merge.h
@@ -0,0 +1,32 @@
+#pragma once
+
+#include <library/cpp/xdelta3/xdelta_codec/codec.h>
+
+#include <util/system/types.h>
+
+#include <string.h>
+
+#ifdef __cplusplus
+namespace NXdeltaAggregateColumn {
+extern "C" {
+#endif
+
+// total Data size = Offset + Size
+struct TSpan {
+    const ui8* Data;
+    size_t Offset;
+    size_t Size;
+};
+
+int MergeStates(
+    XDeltaContext* context,
+    const ui8* lhsSata,
+    size_t lhsSize,
+    const ui8* rhsData,
+    size_t rhsSize,
+    struct TSpan* result);
+
+#ifdef __cplusplus
+}
+}
+#endif