pub(crate) use std::io::{self, Cursor, Read};
#[cfg(feature = "no-std")]
pub(crate) use core2::io::{self, Cursor, Read};
+#[cfg(feature = "no-std")]
+use alloc::{boxed::Box, vec::Vec, string::String};
#[repr(C)]
/// A dummy struct of which an instance must never exist.
Other,
UnexpectedEof,
}
+#[cfg(feature = "std")]
impl IOError {
pub(crate) fn from_rust(err: std::io::Error) -> Self {
match err.kind() {
}
pub(crate) fn into_bitcoin(&self) -> BitcoinTransaction {
if self.datalen == 0 { panic!("0-length buffer can never represent a valid Transaction"); }
- ::bitcoin::consensus::encode::deserialize(unsafe { std::slice::from_raw_parts(self.data, self.datalen) }).unwrap()
+ ::bitcoin::consensus::encode::deserialize(unsafe { core::slice::from_raw_parts(self.data, self.datalen) }).unwrap()
}
pub(crate) fn from_bitcoin(btc: &BitcoinTransaction) -> Self {
let vec = ::bitcoin::consensus::encode::serialize(btc);
}
impl Clone for Transaction {
fn clone(&self) -> Self {
- let sl = unsafe { std::slice::from_raw_parts(self.data, self.datalen) };
+ let sl = unsafe { core::slice::from_raw_parts(self.data, self.datalen) };
let mut v = Vec::new();
v.extend_from_slice(&sl);
Self::from_vec(v)
}
pub(crate) fn to_slice(&self) -> &[u8] {
if self.datalen == 0 { return &[]; }
- unsafe { std::slice::from_raw_parts(self.data, self.datalen) }
+ unsafe { core::slice::from_raw_parts(self.data, self.datalen) }
}
pub(crate) fn to_reader<'a>(&'a self) -> Cursor<&'a [u8]> {
let sl = self.to_slice();
impl Str {
pub(crate) fn into_str(&self) -> &'static str {
if self.len == 0 { return ""; }
- std::str::from_utf8(unsafe { std::slice::from_raw_parts(self.chars, self.len) }).unwrap()
+ core::str::from_utf8(unsafe { core::slice::from_raw_parts(self.chars, self.len) }).unwrap()
}
pub(crate) fn into_string(mut self) -> String {
let bytes = if self.len == 0 {
Vec::new()
} else if self.chars_is_owned {
let ret = unsafe {
- Box::from_raw(std::slice::from_raw_parts_mut(unsafe { self.chars as *mut u8 }, self.len))
+ Box::from_raw(core::slice::from_raw_parts_mut(unsafe { self.chars as *mut u8 }, self.len))
}.into();
self.chars_is_owned = false;
ret
} else {
let mut ret = Vec::with_capacity(self.len);
- ret.extend_from_slice(unsafe { std::slice::from_raw_parts(self.chars, self.len) });
+ ret.extend_from_slice(unsafe { core::slice::from_raw_parts(self.chars, self.len) });
ret
};
String::from_utf8(bytes).unwrap()
impl<T> TakePointer<*const T> for *const T {
fn take_ptr(&mut self) -> *const T {
let ret = *self;
- *self = std::ptr::null();
+ *self = core::ptr::null();
ret
}
}
impl<T> TakePointer<*mut T> for *mut T {
fn take_ptr(&mut self) -> *mut T {
let ret = *self;
- *self = std::ptr::null_mut();
+ *self = core::ptr::null_mut();
ret
}
}
pub(crate) mod ObjOps {
+ #[cfg(feature = "no-std")]
+ use alloc::boxed::Box;
+
#[inline]
#[must_use = "returns new dangling pointer"]
pub(crate) fn heap_alloc<T>(obj: T) -> *mut T {
Self { ptr: Box::into_raw(Box::new(o)) }
}
pub(crate) fn null() -> Self {
- Self { ptr: std::ptr::null_mut() }
+ Self { ptr: core::ptr::null_mut() }
}
}
impl<T> Drop for SmartPtr<T> {
fn drop(&mut self) {
- if self.ptr != std::ptr::null_mut() {
+ if self.ptr != core::ptr::null_mut() {
unsafe { Box::from_raw(self.ptr); }
}
}
}
-impl<T> std::ops::Deref for SmartPtr<T> {
+impl<T> core::ops::Deref for SmartPtr<T> {
type Target = *mut T;
fn deref(&self) -> &*mut T {
&self.ptr