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std: Funnel read_to_end through to one location

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This pushes the implementation detail of proxying `read_to_end` through to
`read_to_end_uninitialized` all the way down to the `FileDesc` and `Handle`
implementations on Unix/Windows. This way intermediate layers will also be able
to take advantage of this optimized implementation.

This commit also adds the optimized implementation for `ChildStdout` and
`ChildStderr`.
This commit is contained in:
Alex Crichton 2016-02-12 00:17:24 -08:00
parent eabfc160f8
commit d46c99abe8
15 changed files with 136 additions and 11 deletions
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6
src/libstd/process.rs
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@ -134,6 +134,9 @@ impl Read for ChildStdout {
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
self.inner.read(buf)
}
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
self.inner.read_to_end(buf)
}
}
impl AsInner<AnonPipe> for ChildStdout {
@ -161,6 +164,9 @@ impl Read for ChildStderr {
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
self.inner.read(buf)
}
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
self.inner.read_to_end(buf)
}
}
impl AsInner<AnonPipe> for ChildStderr {