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//! Items used by other types.
/// A type implemented by wrappers over OpenSSL types.
///
/// This should not be implemented by anything outside of this crate; new methods may be added at
/// any time.
pub trait OpenSslType: Sized {
/// The raw C type.
type CType;
/// The type representing a reference to this type.
type Ref: OpenSslTypeRef<CType = Self::CType>;
/// Constructs an instance of this type from its raw type.
unsafe fn from_ptr(ptr: *mut Self::CType) -> Self;
}
/// A trait implemented by types which reference borrowed OpenSSL types.
///
/// This should not be implemented by anything outside of this crate; new methods may be added at
/// any time.
pub trait OpenSslTypeRef: Sized {
/// The raw C type.
type CType;
/// Constructs a shared instance of this type from its raw type.
unsafe fn from_ptr<'a>(ptr: *mut Self::CType) -> &'a Self {
&*(ptr as *mut _)
}
/// Constructs a mutable reference of this type from its raw type.
unsafe fn from_ptr_mut<'a>(ptr: *mut Self::CType) -> &'a mut Self {
&mut *(ptr as *mut _)
}
/// Returns a raw pointer to the wrapped value.
fn as_ptr(&self) -> *mut Self::CType {
self as *const _ as *mut _
}
}