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


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#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);

}