shithub: mc

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Clear memory on deallocation.

    Helps detect use-after-free.

--- a/libstd/alloc.myr

+++ b/libstd/alloc.myr

@@ -235,7 +235,12 @@

 /* frees a blob that is 'sz' bytes long. */

 const bytefree = {p, sz

 	var bkt

+	var b, i

+	b = p[:sz]

+	for i = 0; i < sz; i++

+		b[i] = 0xa8

+	;;

 	if (sz < Bktmax)

 		bkt = &buckets[bktnum(sz)]

 		bktfree(bkt, p)