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zlib::deflate_stream::upper_bound

Returns the upper limit on the size of a compressed block.

std::size_t
upper_bound(
    std::size_t sourceLen) const;

This function makes a conservative estimate of the maximum number of bytes needed to store the result of compressing a block of data based on the current compression level and strategy.

Parameters

bytes

The size of the uncompressed data.

Return Value

The maximum number of resulting compressed bytes.


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