Source file utils.ml

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open Api

let last_error () =
  let len = Functions.Wasmer.last_error_length () in
  let storage = Ctypes.CArray.make Ctypes.char len in
  let len = Functions.Wasmer.last_error (Ctypes.CArray.start storage) len in
  String.init len (Ctypes.CArray.get storage)

let check_null_ptr exn ptr =
  if Ctypes.is_null ptr then raise (exn (last_error ())) else ()