On Tue, Oct 16, 2018 at 8:38 AM Johannes Schindelin
<Johannes.Schindelin@xxxxxx> wrote:
> On Mon, 15 Oct 2018, Eric Sunshine wrote:
> > On Mon, Oct 15, 2018 at 5:47 AM Johannes Schindelin via GitGitGadget
> > <gitgitgadget@xxxxxxxxx> wrote:
> > > + len = ARRAY_SIZE(wbuffer);
> > > + if (GetUserNameExW(type, wbuffer, &len)) {
> > > + char *converted = xmalloc((len *= 3));
>
> Oh wow. I *just* realized this. It is an off-by-one: the `xmalloc()` call
> needs to receive `len + 1` to accommodate for the trailing NUL. Will fix,
> too.
Or, xmallocz() (note the "z") which gives you overflow-checking of the
+1 for free.
