On 08/01/2018 08:28 AM, Richard W.M. Jones wrote:
+
+/* Return true iff the buffer is all zero bytes.
+ *
+ * The clever approach here was suggested by Eric Blake. See:
+ * https://www.redhat.com/archives/libguestfs/2017-April/msg00171.html
It would be nice to mention the original author:
http://rusty.ozlabs.org/?p=560
Thanks - I didn't know that. I will add the link to the comment.
Yes - I didn't invent the approach, but pointed it out based on earlier
qemu list traffic that had the link to Rusty's blog.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
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