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#![cfg_attr(feature = "_doc", feature(doc_cfg, external_doc))]
#![cfg_attr(not(feature = "std"), no_std)]
#[cfg(feature = "std")]
extern crate err_derive;
extern crate flips_sys;
mod ips;
mod ups;
mod bps;
pub use self::bps::*;
pub use self::ips::*;
pub use self::ups::*;
use core::ops::Deref;
#[derive(Clone, Debug, PartialEq)]
#[cfg_attr(feature = "std", derive(err_derive::Error))]
pub enum Error {
#[cfg_attr(feature = "std", error(display = "patch is not made for the input"))]
NotThis,
#[cfg_attr(feature = "std", error(display = "attempted to patch the output ROM"))]
ToOutput,
#[cfg_attr(feature = "std", error(display = "patch is invalid or malformed"))]
Invalid,
#[cfg_attr(feature = "std", error(display = "patch is valid but seems scrambled or corrupted"))]
Scrambled,
#[cfg_attr(feature = "std", error(display = "attempted to create a patch from identical buffers"))]
Identical,
#[cfg_attr(feature = "std", error(display = "requested a size larger than `libc::size_t`"))]
TooBig,
#[cfg_attr(feature = "std", error(display = "memory allocation failed"))]
OutOfMem,
#[cfg_attr(feature = "std", error(display = "patch creation was canceled"))]
Canceled,
}
impl Error {
fn from_ips(e: flips_sys::ips::ipserror) -> Option<Error> {
use flips_sys::ips::ipserror::*;
match e {
ips_ok => None,
ips_notthis => Some(Error::NotThis),
ips_thisout => Some(Error::ToOutput),
ips_scrambled => Some(Error::Scrambled),
ips_invalid => Some(Error::Invalid),
ips_16MB => Some(Error::OutOfMem),
ips_identical => Some(Error::Identical),
ips_shut_up_gcc => unreachable!("{:?} should never be used !", e),
}
}
fn from_ups(e: flips_sys::ups::upserror) -> Option<Error> {
use flips_sys::ups::upserror::*;
match e {
ups_ok => None,
ups_not_this => Some(Error::NotThis),
ups_broken => Some(Error::Invalid),
ups_identical => Some(Error::Identical),
ups_too_big => Some(Error::TooBig),
ups_unused1 | ups_unused2 | ups_unused3 | ups_unused4 | ups_shut_up_gcc => {
unreachable!("{:?} should never be used !", e)
}
}
}
fn from_bps(e: flips_sys::bps::bpserror) -> Option<Error> {
use flips_sys::bps::bpserror::*;
match e {
bps_ok => None,
bps_to_output => Some(Error::ToOutput),
bps_not_this => Some(Error::NotThis),
bps_broken => Some(Error::Invalid),
bps_identical => Some(Error::Identical),
bps_too_big => Some(Error::TooBig),
bps_out_of_mem => Some(Error::OutOfMem),
bps_canceled => Some(Error::Canceled),
bps_shut_up_gcc | bps_io => {
unreachable!("{:?} should never be used !", e)
}
}
}
}
pub type Result<T> = core::result::Result<T, Error>;
#[derive(Debug)]
pub struct FlipsMemory {
mem: flips_sys::mem,
}
impl FlipsMemory {
fn new(mem: flips_sys::mem) -> Self {
Self { mem }
}
pub fn as_bytes(&self) -> &[u8] {
self.mem.as_ref()
}
#[cfg_attr(feature = "_doc", doc(cfg(feature = "std")))]
#[cfg(feature = "std")]
pub fn to_bytes(&self) -> Vec<u8> {
self.as_ref().to_vec()
}
}
impl AsRef<[u8]> for FlipsMemory {
fn as_ref(&self) -> &[u8] {
self.mem.as_ref()
}
}
impl Deref for FlipsMemory {
type Target = [u8];
fn deref(&self) -> &Self::Target {
self.as_ref()
}
}
impl Drop for FlipsMemory {
fn drop(&mut self) {
unsafe {
flips_sys::ips::ips_free(self.mem);
}
}
}
#[cfg_attr(feature = "_doc", doc(cfg(feature = "std")))]
#[cfg(feature = "std")]
impl Into<Vec<u8>> for FlipsMemory {
fn into(self) -> Vec<u8> {
self.to_bytes()
}
}