intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 24 insertions, 0 deletions

diff --git a/library/cpp/yson/varint.h b/library/cpp/yson/varint.h
new file mode 100644
index 00000000000..80b1184e57f
--- /dev/null
+++ b/library/cpp/yson/varint.h
@@ -0,0 +1,24 @@
+#pragma once
+
+#include <util/stream/input.h>
+#include <util/stream/output.h>
+#include <util/system/defaults.h>
+
+namespace NYson {
+    ////////////////////////////////////////////////////////////////////////////////
+
+    // Various functions that read/write varints from/to a stream.
+
+    // Returns the number of bytes written.
+    int WriteVarUInt64(IOutputStream* output, ui64 value);
+    int WriteVarInt32(IOutputStream* output, i32 value);
+    int WriteVarInt64(IOutputStream* output, i64 value);
+
+    // Returns the number of bytes read.
+    int ReadVarUInt64(IInputStream* input, ui64* value);
+    int ReadVarInt32(IInputStream* input, i32* value);
+    int ReadVarInt64(IInputStream* input, i64* value);
+
+    ////////////////////////////////////////////////////////////////////////////////
+
+} // namespace NYson