Hello Mansour,
> I have a small feature request for lib/xsize.h: a variadic function,
> xsumn, to safely sum any number of size_t type arguments. Similar to
> xsum3 and xsum4. Attached is a small patch.
Thanks for the suggestion, but I don't see a way to do this in a reliable
and efficient manner
From 9bcc0e94b891221b9537a8e9faac080ca6b78e95 Mon Sep 17 00:00:00 2001
From: Mansour Moufid
Date: Thu, 22 Sep 2011 12:05:42 -0400
Subject: [PATCH] Add a new `xsumn' function to `lib/xsize.h'.
This implements a variadic sum function with overflow checking,
similar to xsum{2,3,4} but for an arb
