diff options
Diffstat (limited to 'src/libstd/sys/windows')
| -rw-r--r-- | src/libstd/sys/windows/net.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/libstd/sys/windows/net.rs b/src/libstd/sys/windows/net.rs index 3e69902dcb6..49ba8e9c659 100644 --- a/src/libstd/sys/windows/net.rs +++ b/src/libstd/sys/windows/net.rs @@ -8,6 +8,7 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. +use cmp; use io; use libc::{c_int, c_void}; use mem; @@ -131,9 +132,9 @@ impl Socket { pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> { // On unix when a socket is shut down all further reads return 0, so we // do the same on windows to map a shut down socket to returning EOF. + let len = cmp::min(buf.len(), i32::max_value() as usize) as i32; unsafe { - match c::recv(self.0, buf.as_mut_ptr() as *mut c_void, - buf.len() as i32, 0) { + match c::recv(self.0, buf.as_mut_ptr() as *mut c_void, len, 0) { -1 if c::WSAGetLastError() == c::WSAESHUTDOWN => Ok(0), -1 => Err(last_error()), n => Ok(n as usize) |