2 files changed, 8 insertions, 6 deletions
diff --git a/src/libstd/sys/common/mod.rs b/src/libstd/sys/common/mod.rs
index a441e55a732..a31dcc9884f 100644
--- a/src/libstd/sys/common/mod.rs
+++ b/src/libstd/sys/common/mod.rs
@@ -14,7 +14,7 @@
 use io::{self, IoError, IoResult};
 use prelude::v1::*;
 use sys::{last_error, retry};
-use c_str::CString;
+use ffi::CString;
 use num::Int;
 use path::BytesContainer;
 use collections;
diff --git a/src/libstd/sys/common/net.rs b/src/libstd/sys/common/net.rs
index 3f67b284f68..4cf891ac498 100644
--- a/src/libstd/sys/common/net.rs
+++ b/src/libstd/sys/common/net.rs
@@ -12,15 +12,16 @@ use prelude::v1::*;
 use self::SocketStatus::*;
 use self::InAddr::*;
 
-use c_str::ToCStr;
+use ffi::CString;
+use ffi;
 use io::net::addrinfo;
 use io::net::ip::{SocketAddr, IpAddr, Ipv4Addr, Ipv6Addr};
 use io::{IoResult, IoError};
 use libc::{self, c_char, c_int};
-use c_str::CString;
 use mem;
 use num::Int;
 use ptr::{self, null, null_mut};
+use str;
 use sys::{self, retry, c, sock_t, last_error, last_net_error, last_gai_error, close_sock,
           wrlen, msglen_t, os, wouldblock, set_nonblocking, timer, ms_to_timeval,
           decode_error_detailed};
@@ -234,9 +235,9 @@ pub fn get_host_addresses(host: Option<&str>, servname: Option<&str>,
 
     assert!(host.is_some() || servname.is_some());
 
-    let c_host = host.map(|x| x.to_c_str());
+    let c_host = host.map(|x| CString::from_slice(x.as_bytes()));
     let c_host = c_host.as_ref().map(|x| x.as_ptr()).unwrap_or(null());
-    let c_serv = servname.map(|x| x.to_c_str());
+    let c_serv = servname.map(|x| CString::from_slice(x.as_bytes()));
     let c_serv = c_serv.as_ref().map(|x| x.as_ptr()).unwrap_or(null());
 
     let hint = hint.map(|hint| {
@@ -324,7 +325,8 @@ pub fn get_address_name(addr: IpAddr) -> Result<String, IoError> {
     }
 
     unsafe {
-        Ok(CString::new(hostbuf.as_ptr(), false).as_str().unwrap().to_string())
+        Ok(str::from_utf8(ffi::c_str_to_bytes(&hostbuf.as_ptr()))
+               .unwrap().to_string())
     }
 }