Entries at least this large are written in zip64 format. The threshold is
below the 4 GiB limit of the 32-bit size fields because the writer has to
commit to a format before it knows the exact sizes: it only knows how big
the source was when it started, and deflate can add a little.
Entries at least this large are written in zip64 format. The threshold is below the 4 GiB limit of the 32-bit size fields because the writer has to commit to a format before it knows the exact sizes: it only knows how big the source was when it started, and deflate can add a little.