use bitcoin::bech32;
use std::convert::TryInto; // Bindings need at least rustc 1.34
-
+use core::ffi::c_void;
use std::io::{Cursor, Read}; // TODO: We should use core2 here when we support no_std
#[repr(C)]
pub struct FourBytes { /** The four bytes */ pub data: [u8; 4], }
#[derive(Clone)]
#[repr(C)]
-/// A 10-byte byte array.
-pub struct TenBytes { /** The ten bytes */ pub data: [u8; 10], }
+/// A 12-byte byte array.
+pub struct TwelveBytes { /** The twelve bytes */ pub data: [u8; 12], }
#[derive(Clone)]
#[repr(C)]
/// A 16-byte byte array.
pub(crate) fn deserialize_obj<I: lightning::util::ser::Readable>(s: u8slice) -> Result<I, lightning::ln::msgs::DecodeError> {
I::read(&mut s.to_slice())
}
+pub(crate) fn maybe_deserialize_obj<I: lightning::util::ser::MaybeReadable>(s: u8slice) -> Result<Option<I>, lightning::ln::msgs::DecodeError> {
+ I::read(&mut s.to_slice())
+}
pub(crate) fn deserialize_obj_arg<A, I: lightning::util::ser::ReadableArgs<A>>(s: u8slice, args: A) -> Result<I, lightning::ln::msgs::DecodeError> {
I::read(&mut s.to_slice(), args)
}
#[repr(C)]
-#[derive(Clone)]
/// A Rust str object, ie a reference to a UTF8-valid string.
/// This is *not* null-terminated so cannot be used directly as a C string!
pub struct Str {
Str { chars: self.as_ptr(), len: self.len(), chars_is_owned: false }
}
}
+impl Into<Str> for &mut &'static str {
+ fn into(self) -> Str {
+ let us: &'static str = *self;
+ us.into()
+ }
+}
+
impl Str {
pub(crate) fn into_str(&self) -> &'static str {
if self.len == 0 { return ""; }
Str { chars: s.as_ptr(), len: s.len(), chars_is_owned: true }
}
}
+impl Clone for Str {
+ fn clone(&self) -> Self {
+ self.into_str().clone().into()
+ }
+}
impl Drop for Str {
fn drop(&mut self) {
}
}
}
+
+#[cfg(test_mod_pointers)]
+#[no_mangle]
+/// This function exists for memory safety testing purposes. It should never be used in production
+/// code
+pub extern "C" fn __unmangle_inner_ptr(ptr: *const c_void) -> *const c_void {
+ if ptr as usize == 1 {
+ core::ptr::null()
+ } else {
+ unsafe { ptr.cast::<u8>().sub(4096).cast::<c_void>() }
+ }
+}
+
+pub(crate) struct SmartPtr<T> {
+ ptr: *mut T,
+}
+impl<T> SmartPtr<T> {
+ pub(crate) fn from_obj(o: T) -> Self {
+ Self { ptr: Box::into_raw(Box::new(o)) }
+ }
+ pub(crate) fn null() -> Self {
+ Self { ptr: std::ptr::null_mut() }
+ }
+}
+impl<T> Drop for SmartPtr<T> {
+ fn drop(&mut self) {
+ if self.ptr != std::ptr::null_mut() {
+ unsafe { Box::from_raw(self.ptr); }
+ }
+ }
+}
+impl<T> std::ops::Deref for SmartPtr<T> {
+ type Target = *mut T;
+ fn deref(&self) -> &*mut T {
+ &self.ptr
+ }
+}