validate canons without yatest_common

1 files changed, 49 insertions, 0 deletions

diff --git a/library/cpp/xdelta3/xdelta_codec/codec.h b/library/cpp/xdelta3/xdelta_codec/codec.h
new file mode 100644
index 0000000000..51b935c916
--- /dev/null
+++ b/library/cpp/xdelta3/xdelta_codec/codec.h
@@ -0,0 +1,49 @@
+#pragma once
+
+#include <util/system/types.h>
+
+#include <string.h>
+
+struct _xdelta_context {
+  void* opaque;
+  void* (*allocate)(void* opaque, size_t size);
+  void (*free)(void* opaque, void* ptr);
+};
+typedef struct _xdelta_context XDeltaContext;
+
+#ifdef __cplusplus
+namespace NXdeltaAggregateColumn {
+extern "C" {
+#endif
+
+ui8* ApplyPatch(
+    XDeltaContext* context,
+    size_t headroomSize,
+    const ui8* base,
+    size_t baseSize,
+    const ui8* patch,
+    size_t patchSize,
+    size_t stateSize,
+    size_t* resultSize);
+
+ui8* ComputePatch(
+    XDeltaContext* context,
+    const ui8* from,
+    size_t fromSize,
+    const ui8* to,
+    size_t toSize,
+    size_t* patchSize);
+
+ui8* MergePatches(
+    XDeltaContext* context,
+    size_t headroomSize,
+    const ui8* patch1,
+    size_t patch1_size,
+    const ui8* patch2,
+    size_t patch2_size,
+    size_t* patch3_size);
+
+#ifdef __cplusplus
+}
+}
+#endif