Source file `deflate.ml`

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(*
 * Copyright (c) 2013-2017 Thomas Gazagnaire <thomas@gazagnaire.org>
 * and Romain Calascibetta <romain.calascibetta@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *)

open Decompress
module Deflate = Zlib_deflate

type t = (Buffer.Bigstring.t, Buffer.Bigstring.t) Deflate.t

and error = Deflate.error

let pp_error : error Fmt.t = Deflate.pp_error
let default level : t = Deflate.default ~witness:Buffer.bigstring level
let finish : t -> t = Deflate.finish
let used_in : t -> int = Deflate.used_in
let used_out : t -> int = Deflate.used_out
let no_flush : int -> int -> t -> t = Deflate.no_flush
let flush : int -> int -> t -> t = Deflate.flush

let eval ~src:src' ~dst:dst' t :
    [`Await of t | `Flush of t | `Error of t * error | `End of t] =
  let src = Cstruct.to_bigarray src' in
  let dst = Cstruct.to_bigarray dst' in
  Deflate.eval src dst t