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Inline some Cursor calls for slices

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(Partially) brings back https://github.com/rust-lang/rust/pull/33921
This commit is contained in:
Peter Todd 2019-05-08 22:38:58 -04:00
parent e6305805a7
commit b9c430129d
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GPG Key ID: 2481403DA5F091FB
1 changed files with 6 additions and 0 deletions
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6
src/libstd/io/cursor.rs
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@ -265,6 +265,7 @@ fn fill_buf(&mut self) -> io::Result<&[u8]> {
}
// Non-resizing write implementation
#[inline]
fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<usize> {
let pos = cmp::min(*pos_mut, slice.len() as u64);
let amt = (&mut slice[(pos as usize)..]).write(buf)?;
@ -272,6 +273,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
#[inline]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@ -341,6 +343,7 @@ fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
}
#[inline]
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -354,6 +357,7 @@ fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
#[inline]
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -367,6 +371,7 @@ fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
#[inline]
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -382,6 +387,7 @@ fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
#[inline]
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}