Module libffi::low [−] [src]

A low-level wrapping of libffi, this layer makes no attempts at safety, but tries to provide a somewhat more idiomatic interface.

This module also re-exports types and constants necessary for using the library, so it should not be generally necessary to use the raw module. While this is a bit “Rustier” than raw, I’ve avoided drastic renaming in favor of hewing close to the libffi API. See middle for an easier-to-use approach.

Modules

type_tag	Type tags used in constructing and inspecting `ffi_type`s.
types	Re-exports the `ffi_type` objects used to describe the types of arguments and results.

Structs

CodePtr	Wraps a function pointer of unknown type.
ffi_cif
ffi_closure
ffi_type

Enums

Error	The two kinds of errors reported by libffi.
ffi_abi
ffi_status

Constants

ffi_abi_FFI_DEFAULT_ABI

Functions

call ^⚠	Calls a C function as specified by a CIF.
closure_alloc	Allocates a closure.
closure_free ^⚠	Frees a closure.
prep_cif ^⚠	Initalizes a CIF (Call Interface) with the given ABI and types.
prep_cif_var ^⚠	Initalizes a CIF (Call Interface) for a varargs function.
prep_closure ^⚠	Initializes a closure with a callback function and userdata.
prep_closure_mut ^⚠	Initializes a mutable closure with a callback function and (mutable) userdata.

Type Definitions

Callback	The type of function called by a closure.
CallbackMut	The type of function called by a mutable closure.
RawCallback	The callback type expected by `raw::ffi_prep_closure_loc`.
Result	The `Result` type specialized for libffi `Error`s.