1 files changed, 7 insertions, 3 deletions
diff --git a/rand.rs b/rand.rs
index 72acdd19..96565084 100644
--- a/rand.rs
+++ b/rand.rs
@@ -1,4 +1,4 @@
-use libc::{c_uchar, c_int};
+use core::libc::c_int;
 
 #[link_name = "crypto"]
 #[abi = "cdecl"]
@@ -10,8 +10,10 @@ pub fn rand_bytes(len: uint) -> ~[u8] {
     let mut out = vec::with_capacity(len);
 
     do vec::as_mut_buf(out) |out_buf, len| {
-        let r = libcrypto::RAND_bytes(out_buf, len as c_int);
-        if r != 1 as c_int { fail }
+        unsafe {
+            let r = libcrypto::RAND_bytes(out_buf, len as c_int);
+            if r != 1 as c_int { fail!() }
+        }
     }
 
     unsafe { vec::raw::set_len(&mut out, len); }
@@ -21,6 +23,8 @@ pub fn rand_bytes(len: uint) -> ~[u8] {
 
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn test_rand_bytes() {
         let bytes = rand_bytes(32u);