---

yaml
---
r: 23440
b: refs/heads/master
c: 83e7c86
h: refs/heads/master
v: v3

Author: pcwalton

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: dcbeebc801e071394874843e0e4c7509a0fb46c1
+refs/heads/master: 83e7c869bdfadf0ed8aca92e76fc5073b63402e2
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: cd6f24f9d14ac90d167386a56e7a6ac1f0318195
 refs/heads/try: ffbe0e0e00374358b789b0037bcb3a577cd218be

trunk/src/libcore/str.rs

@@ -1768,6 +1768,7 @@ mod unsafe {
    export
       from_buf,
       from_buf_len,
+      from_buf_len_nocopy,
       from_c_str,
       from_c_str_len,
       from_bytes,
@@ -1799,6 +1800,13 @@ mod unsafe {
         return ::unsafe::transmute(v);
     }
 
+    /// Create a Rust string from a *u8 buffer of the given length without copying
+    unsafe fn from_buf_len_nocopy(buf: &a / *u8, len: uint) -> &a / str {
+        let v = (*buf, len + 1);
+        assert is_utf8(::unsafe::reinterpret_cast(v));
+        return ::unsafe::transmute(v);
+    }
+
     /// Create a Rust string from a null-terminated C string
     unsafe fn from_c_str(c_str: *libc::c_char) -> ~str {
         from_buf(::unsafe::reinterpret_cast(c_str))