mte/unikernel/duniverse/bstr/lib/bytes_labels.ml
2025-11-11 02:07:51 +01:00

40 lines
1.6 KiB
OCaml

(*
* Copyright (c) 2024 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.
*)
include Bytes
let[@inline always] blit src ~src_off dst ~dst_off ~len =
Bytes.blit src src_off dst dst_off len
let[@inline always] fill t ~off ~len chr = Bytes.fill t off len chr
let[@inline always] blit_to_bytes src ~src_off dst ~dst_off ~len =
Bytes.blit src src_off dst dst_off len
let string ?(off = 0) ?len str =
let len =
match len with Some len -> len | None -> String.length str - off
in
if len < 0 || off < 0 || off > String.length str - len then
invalid_arg "Bytes.string";
let buf = String.sub str off len in
Bytes.unsafe_of_string buf
let overlap a b = if a == b then Some (Bytes.length a, 0, 0) else None
let sub t ~off ~len = Bytes.sub t off len
let blit_from_bytes src ~src_off dst ~dst_off ~len =
Bytes.blit src src_off dst dst_off len