Move vector addition out of trans and into libcore.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/libcore/ptr.rs b/src/libcore/ptr.rs
index 2ce5550d951..2a89abc040f 100644
--- a/src/libcore/ptr.rs
+++ b/src/libcore/ptr.rs
@@ -10,6 +10,7 @@ export is_null;
 export is_not_null;
 export memcpy;
 export memmove;
+export memset;
 export buf_len;
 export position;
 export extensions;
@@ -23,6 +24,8 @@ native mod libc_ {
     fn memcpy(dest: *c_void, src: *c_void, n: libc::size_t) -> *c_void;
     #[rust_stack]
     fn memmove(dest: *c_void, src: *c_void, n: libc::size_t) -> *c_void;
+    #[rust_stack]
+    fn memset(dest: *c_void, c: libc::c_int, len: libc::size_t) -> *c_void;
 }
 
 #[abi = "rust-intrinsic"]
@@ -108,6 +111,12 @@ unsafe fn memmove<T>(dst: *T, src: *T, count: uint)  {
     libc_::memmove(dst as *c_void, src as *c_void, n as size_t);
 }
 
+#[inline(always)]
+unsafe fn memset<T>(dst: *mut T, c: int, count: uint)  {
+    let n = count * sys::size_of::<T>();
+    libc_::memset(dst as *c_void, c as libc::c_int, n as size_t);
+}
+
 #[doc = "Extension methods for pointers"]
 impl extensions<T> for *T {
     #[doc = "Returns true if the pointer is equal to the null pointer."]