Crate easy_ffi_wrapper

Types and utilities to enable writing C FFI wrappers easily.

Features

• Safely create slices from C slices.
• Convenience wrapper and builder for C strings.
• Macro for creating owning data types.
• Macro for creating iterators from access by index and length.

Macros

• ffi_box
  Generates an owning type BoxedTypeName for a FFI type TypeName.
• ffi_iter
  Generates iterator types for FFI containers.
• ffi_vec
  Generates iterator types for FFI containers.

Structs

• Str
  Wraps a non-owning FFI string
• StrBuilder
  A convenience structure for calling FFI interfaces to get strings

Functions

• slice_from_raw_parts^⚠
  Constructs a slice from raw parts (same as slice::from_raw_parts), but safely handle {ptr: nullptr, len:0}, which is often allowed in FFI.