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do not unwrap stream write, TcpStream::shutdown results (#492)

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This commit is contained in:
Mark Thom
2020-05-12 18:51:34 -06:00
parent 23f804eda3
commit 3c6149fd27
2 changed files with 3 additions and 3 deletions
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2
src/prolog/machine/streams.rs
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@@ -107,7 +107,7 @@ impl Drop for StreamInstance {
fn drop(&mut self) { fn drop(&mut self) {
match self { match self {
StreamInstance::TcpStream(_, ref mut tcp_stream) => { StreamInstance::TcpStream(_, ref mut tcp_stream) => {
tcp_stream.shutdown(Shutdown::Both).unwrap(); discard_result!(tcp_stream.shutdown(Shutdown::Both));
} }
_ => { _ => {
} }

4
src/prolog/machine/system_calls.rs
View File

@@ -2065,13 +2065,13 @@ impl MachineState {
match Number::try_from((addr, &self.heap)) { match Number::try_from((addr, &self.heap)) {
Ok(Number::Integer(n)) => { Ok(Number::Integer(n)) => {
if let Some(nb) = n.to_u8() { if let Some(nb) = n.to_u8() {
stream.write(&mut [nb]).unwrap(); discard_result!(stream.write(&mut [nb]));
return return_from_clause!(self.last_call, self); return return_from_clause!(self.last_call, self);
} }
} }
Ok(Number::Fixnum(n)) => { Ok(Number::Fixnum(n)) => {
if let Ok(nb) = u8::try_from(n) { if let Ok(nb) = u8::try_from(n) {
stream.write(&mut [nb]).unwrap(); discard_result!(stream.write(&mut [nb]));
return return_from_clause!(self.last_call, self); return return_from_clause!(self.last_call, self);
} }
} }