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Slight simplification by using .enumerate()

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This commit is contained in:
Ian Douglas Scott 2017-04-07 18:41:12 -07:00
parent e695897fe8
commit 691252e72c
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GPG key ID: 4924E10E199B5959
1 changed files with 3 additions and 5 deletions
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8
schemes/tcpd/src/main.rs
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@ -575,17 +575,15 @@ impl SchemeMut for Tcpd {
if ! handle.is_connected() {
return Err(Error::new(ENOTCONN));
} else if let Some((ip, mut tcp)) = handle.data.pop_front() {
let mut i = 0;
let mut len = std::cmp::min(buf.len(), tcp.data.len());
for c in tcp.data.drain(0..len) {
let len = std::cmp::min(buf.len(), tcp.data.len());
for (i, c) in tcp.data.drain(0..len).enumerate() {
buf[i] = c;
i += 1;
}
if !tcp.data.is_empty() {
handle.data.push_front((ip, tcp));
}
return Ok(i);
return Ok(len);
} else if handle.flags & O_NONBLOCK == O_NONBLOCK || handle.read_closed() {
return Ok(0);
} else {