library/cpp/yson_pull/detail/output/stdio_file.h


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#pragma once 
 
#include "buffered.h" 
 
#include <library/cpp/yson_pull/detail/macros.h>
 
#include <library/cpp/yson_pull/exceptions.h>
 
#include <cstdio> 
 
namespace NYsonPull {
    namespace NDetail {
        namespace NOutput {
            class TStdioFile: public TBuffered<TStdioFile> {
                FILE* file_;
 
            public:
                TStdioFile(FILE* file, size_t buffer_size)
                    : TBuffered<TStdioFile>(buffer_size)
                    , file_(file)
                {
                }
 
                void write(TStringBuf data) {
                    auto nwritten = ::fwrite(data.data(), 1, data.size(), file_);
                    if (Y_UNLIKELY(static_cast<size_t>(nwritten) != data.size())) { 
                        throw NException::TSystemError();
                    }
                }
            };
        } 
    }     // namespace NDetail
}