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Added io forwarding methods to the stdio structs #72705

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Merged
merged 3 commits into from
Jun 28, 2020
Merged

Added io forwarding methods to the stdio structs #72705

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358dc1d
Added io forwarding methods to the stdio structs
Lucretiel May 28, 2020
b60cefe
Removed write_fmt forwarding, to fix recursive borrow issues
Lucretiel Jun 17, 2020
14d385b
Restore some write_fmts
Lucretiel Jun 17, 2020
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77 changes: 77 additions & 0 deletions src/libstd/io/stdio.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -96,7 +96,20 @@ impl Read for StdinRaw {
unsafe fn initializer(&self) -> Initializer {
Initializer::nop()
}

fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
self.0.read_to_end(buf)
}

fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
self.0.read_to_string(buf)
}

fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
self.0.read_exact(buf)
}
}

impl Write for StdoutRaw {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
self.0.write(buf)
Expand All @@ -114,7 +127,20 @@ impl Write for StdoutRaw {
fn flush(&mut self) -> io::Result<()> {
self.0.flush()
}

fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
self.0.write_all(buf)
}

fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> io::Result<()> {
self.0.write_all_vectored(bufs)
}

fn write_fmt(&mut self, fmt: fmt::Arguments<'_>) -> io::Result<()> {
self.0.write_fmt(fmt)
}
}

impl Write for StderrRaw {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
self.0.write(buf)
Expand All @@ -132,6 +158,18 @@ impl Write for StderrRaw {
fn flush(&mut self) -> io::Result<()> {
self.0.flush()
}

fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
self.0.write_all(buf)
}

fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> io::Result<()> {
self.0.write_all_vectored(bufs)
}

fn write_fmt(&mut self, fmt: fmt::Arguments<'_>) -> io::Result<()> {
self.0.write_fmt(fmt)
}
}

enum Maybe<T> {
Expand Down Expand Up @@ -420,16 +458,37 @@ impl Read for StdinLock<'_> {
unsafe fn initializer(&self) -> Initializer {
Initializer::nop()
}

fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
self.inner.read_to_end(buf)
}

fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
self.inner.read_to_string(buf)
}

fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
self.inner.read_exact(buf)
}
}

#[stable(feature = "rust1", since = "1.0.0")]
impl BufRead for StdinLock<'_> {
fn fill_buf(&mut self) -> io::Result<&[u8]> {
self.inner.fill_buf()
}

fn consume(&mut self, n: usize) {
self.inner.consume(n)
}

fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> io::Result<usize> {
self.inner.read_until(byte, buf)
}

fn read_line(&mut self, buf: &mut String) -> io::Result<usize> {
self.inner.read_line(buf)
}
}

#[stable(feature = "std_debug", since = "1.16.0")]
Expand Down Expand Up @@ -593,6 +652,9 @@ impl Write for Stdout {
fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
self.lock().write_all(buf)
}
fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> io::Result<()> {
self.lock().write_all_vectored(bufs)
}
fn write_fmt(&mut self, args: fmt::Arguments<'_>) -> io::Result<()> {
self.lock().write_fmt(args)
}
Expand All @@ -612,6 +674,12 @@ impl Write for StdoutLock<'_> {
fn flush(&mut self) -> io::Result<()> {
self.inner.borrow_mut().flush()
}
fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
self.inner.borrow_mut().write_all(buf)
}
fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> io::Result<()> {
self.inner.borrow_mut().write_all_vectored(bufs)
}
}

#[stable(feature = "std_debug", since = "1.16.0")]
Expand Down Expand Up @@ -767,6 +835,9 @@ impl Write for Stderr {
fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
self.lock().write_all(buf)
}
fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> io::Result<()> {
self.lock().write_all_vectored(bufs)
}
fn write_fmt(&mut self, args: fmt::Arguments<'_>) -> io::Result<()> {
self.lock().write_fmt(args)
}
Expand All @@ -786,6 +857,12 @@ impl Write for StderrLock<'_> {
fn flush(&mut self) -> io::Result<()> {
self.inner.borrow_mut().flush()
}
fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
self.inner.borrow_mut().write_all(buf)
}
fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> io::Result<()> {
self.inner.borrow_mut().write_all_vectored(bufs)
}
}

#[stable(feature = "std_debug", since = "1.16.0")]
Expand Down