27 lines
886 B
OCaml
27 lines
886 B
OCaml
external unsafe_get_char : Miou_solo5.bigstring -> int -> char
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= "%caml_ba_ref_1"
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let bigstring_to_string v =
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let len = Bigarray.Array1.dim v in
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let res = Bytes.create len in
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for i = 0 to len - 1 do
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Bytes.set res i (unsafe_get_char v i)
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done;
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Bytes.unsafe_to_string res
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let () =
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Miou_solo5.(run [ block "simple" ]) @@ fun blk () ->
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let pagesize = Miou_solo5.Block.pagesize blk in
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let bstr = Bigarray.(Array1.create char c_layout pagesize) in
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let prm =
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Miou.async @@ fun () ->
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Miou_solo5.Block.atomic_read blk ~off:0 bstr;
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let str = bigstring_to_string bstr in
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let hash = Digest.string str in
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Fmt.pr "%08x: %s\n%!" 0 (Digest.to_hex hash)
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in
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Miou_solo5.Block.read blk ~off:pagesize bstr;
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let str = bigstring_to_string bstr in
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let hash = Digest.string str in
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Fmt.pr "%08x: %s\n%!" pagesize (Digest.to_hex hash);
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Miou.await_exn prm
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