bjoernager/rust
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also support writing to stderr

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Ralf Jung 2017-05-24 21:01:13 -07:00
parent 1ae01b422b
commit 33d42f4b82
1 changed files with 2 additions and 2 deletions
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4
src/terminator/mod.rs
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@ -587,11 +587,11 @@ impl<'a, 'tcx> EvalContext<'a, 'tcx> {
let buf = args[1].read_ptr(&self.memory)?;
let n = self.value_to_primval(args[2], usize)?.to_u64()?;
trace!("Called write({:?}, {:?}, {:?})", fd, buf, n);
let result = if fd == 1 { // stdout
let result = if fd == 1 || fd == 2 { // stdout/stderr
use std::io::{self, Write};
let buf_cont = self.memory.read_bytes(buf, n)?;
let res = io::stdout().write(buf_cont);
let res = if fd == 1 { io::stdout().write(buf_cont) } else { io::stderr().write(buf_cont) };
match res { Ok(n) => n as isize, Err(_) => -1 }
} else {
info!("Ignored output to FD {}", fd);