ydb/library/cpp/monlib/encode/spack/varint.h

#pragma once

#include <util/system/types.h>

class IInputStream;
class IOutputStream;

namespace NMonitoring {
    ui32 WriteVarUInt32(IOutputStream* output, ui32 value);

    ui32 ReadVarUInt32(IInputStream* input);
    size_t ReadVarUInt32(const ui8* buf, size_t len, ui32* result);

    enum class EReadResult {
        OK,
        ERR_OVERFLOW,
        ERR_UNEXPECTED_EOF,
    };

    [[nodiscard]]
    EReadResult TryReadVarUInt32(IInputStream* input, ui32* value);

}