38 lines
1.4 KiB
OCaml
38 lines
1.4 KiB
OCaml
(*
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* Copyright (c) 2012-2019 Anil Madhavapeddy <anil@recoil.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*)
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open Sexplib
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type buffer = Cstruct.buffer
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type t = Cstruct.t
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let buffer_of_sexp b = Conv.bigstring_of_sexp b
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let sexp_of_buffer b = Conv.sexp_of_bigstring b
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let t_of_sexp = function
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| Sexp.Atom str ->
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let n = String.length str in
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let t = Cstruct.create_unsafe n in
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Cstruct.blit_from_string str 0 t 0 n ;
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t
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| sexp -> Conv.of_sexp_error "Cstruct.t_of_sexp: atom needed" sexp
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let sexp_of_t t =
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let n = Cstruct.length t in
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let str = Bytes.create n in
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Cstruct.blit_to_bytes t 0 str 0 n ;
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(* The following call is safe, since str is not visible elsewhere. *)
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Sexp.Atom (Bytes.unsafe_to_string str)
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