zig

commit f416535768fc30195cad6cd481f73fd1e80082aa (tree)
parent 53987c932c9d62cc9cdae3d523fb62756ce83ca9
Author: Andrew Kelley <andrew@ziglang.org>
Date:   Fri, 18 Dec 2020 18:30:06 -0700

work around compiler bug regarding generic function slice alignment

See #7495

Diffstat:
M
lib/std/crypto/tlcsprng.zig
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/std/crypto/tlcsprng.zig b/lib/std/crypto/tlcsprng.zig
@@ -117,7 +117,9 @@ fn setupPthreadAtforkAndFill(buffer: []u8) void {
 }
 
 fn childAtForkHandler() callconv(.C) void {
-    const wipe_slice = @ptrCast([*]u8, &wipe_me)[0..@sizeOf(@TypeOf(wipe_me))];
+    // TODO this is a workaround for https://github.com/ziglang/zig/issues/7495
+    var wipe_slice: []u8 = undefined;
+    wipe_slice = @ptrCast([*]u8, &wipe_me)[0..@sizeOf(@TypeOf(wipe_me))];
     std.crypto.utils.secureZero(u8, wipe_slice);
 }