zig

commit 3b921afc69139c7290d04cd33a95cb221d5d481f (tree)
parent f87be94f6a4277823eeaab12cd581fd5cedff19b
Author: Andrew Kelley <superjoe30@gmail.com>
Date:   Tue,  2 May 2017 19:20:23 -0400

slightly better memset/memcpy implementation

Diffstat:
M
std/special/builtin.zig
 | 
13
++-----------

1 file changed, 2 insertions(+), 11 deletions(-)
diff --git a/std/special/builtin.zig b/std/special/builtin.zig
@@ -9,26 +9,17 @@ const builtin = @import("builtin");
 export fn memset(dest: ?&u8, c: u8, n: usize) {
     @setDebugSafety(this, false);
 
-    if (n == 0)
-        return;
-
-    const d = ??dest;
     var index: usize = 0;
     while (index != n; index += 1)
-        d[index] = c;
+        (??dest)[index] = c;
 }
 
 export fn memcpy(noalias dest: ?&u8, noalias src: ?&const u8, n: usize) {
     @setDebugSafety(this, false);
 
-    if (n == 0)
-        return;
-
-    const d = ??dest;
-    const s = ??src;
     var index: usize = 0;
     while (index != n; index += 1)
-        d[index] = s[index];
+        (??dest)[index] = (??src)[index];
 }
 
 export fn __stack_chk_fail() {