zig

commit d68ae35c1153c6263292d60e4f5f6b828d7c8e8f (tree)
parent da7880b4cf1b909c68aed2d1f6c702cca0807ee8
Author: daurnimator <quae@daurnimator.com>
Date:   Wed, 20 Feb 2019 13:28:56 +1100

std: when a FixedBufferAllocator is initialised, set the buffer to undefined

Diffstat:
M
std/heap.zig
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/std/heap.zig b/std/heap.zig
@@ -273,6 +273,10 @@ pub const FixedBufferAllocator = struct {
     buffer: []u8,
 
     pub fn init(buffer: []u8) FixedBufferAllocator {
+        // This loop gets optimized out in ReleaseFast mode
+        for (buffer) |*byte| {
+            byte.* = undefined;
+        }
         return FixedBufferAllocator{
             .allocator = Allocator{
                 .allocFn = alloc,