---

yaml
---
r: 80578
b: refs/heads/auto
c: 8fce135
h: refs/heads/master
v: v3

Author: blake2-ppc

[refs]

@@ -13,7 +13,7 @@ refs/heads/try3: 9387340aab40a73e8424c48fd42f0c521a4875c0
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: 8d488f38ed4fad414f9a693b6f4574dfa92b06fd
+refs/heads/auto: 8fce135326707264d99102cdb514b00d6aa38081
 refs/heads/servo: af82457af293e2a842ba6b7759b70288da276167
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
 refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336

branches/auto/src/libstd/vec.rs

@@ -2244,6 +2244,23 @@ pub mod bytes {
         // Bound checks are done at vec::raw::copy_memory.
         unsafe { vec::raw::copy_memory(dst, src, count) }
     }
+
+    /**
+     * Allocate space in `dst` and append the data in `src`.
+     */
+    #[inline]
+    pub fn push_bytes(dst: &mut ~[u8], src: &[u8]) {
+        let old_len = dst.len();
+        dst.reserve_additional(src.len());
+        unsafe {
+            do dst.as_mut_buf |p_dst, len_dst| {
+                do src.as_imm_buf |p_src, len_src| {
+                    ptr::copy_memory(p_dst.offset(len_dst as int), p_src, len_src)
+                }
+            }
+            vec::raw::set_len(dst, old_len + src.len());
+        }
+    }
 }
 
 impl<A: Clone> Clone for ~[A] {