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remove unused code

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This commit is contained in:
bunnie 2021-04-01 17:24:13 +08:00
parent a3adf797b0
commit 85fdb7453d
1 changed files with 0 additions and 57 deletions
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57
services/log-server/src/log_string.rs
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@ -1,57 +0,0 @@
use core::fmt;
use core::slice;
pub struct LogString<'a> {
raw_slice: &'a mut [u8],
pub s: &'a str,
pub len: u32,
msg_len: &'a mut Option<xous::MemorySize>,
}
impl<'a> LogString<'a> {
pub fn from_message(message: &'a mut xous::MemoryMessage) -> LogString<'a> {
// println!("LOG: Message address is at {:08x} (whole message: {:?})", message.buf.addr.get(), message);
let raw_slice = unsafe { slice::from_raw_parts_mut(message.buf.as_ptr() as *mut u8, message.buf.len() as usize) };
let starting_length = message.valid.map(|x| x.get()).unwrap_or(0);
// print!("LOG: String @ {:08x}:", message.buf.as_ptr() as usize);
// for offset in 0..starting_length {
// print!(" {:02x}", raw_slice[offset]);
// }
// println!(" (length: {})", starting_length);
LogString {
s: unsafe {
core::str::from_utf8_unchecked(slice::from_raw_parts(
message.buf.as_ptr() as *mut u8,
starting_length,
))
},
len: starting_length as u32,
raw_slice,
msg_len: &mut message.valid,
}
}
}
impl<'a> fmt::Display for LogString<'a> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.s)
}
}
impl<'a> fmt::Write for LogString<'a> {
fn write_str(&mut self, s: &str) -> Result<(), fmt::Error> {
for c in s.bytes() {
if self.len as usize < self.raw_slice.len() {
self.raw_slice[self.len as usize] = c;
self.len += 1;
}
}
self.s = unsafe {
core::str::from_utf8_unchecked(slice::from_raw_parts(self.raw_slice.as_ptr(), self.len as usize))
};
*self.msg_len = Some(xous::MemorySize::new(self.len as usize).unwrap());
Ok(())
}
}