asprintf() issue

[Archie Cobbs]

On Mon, May 18, 2015 at 8:59 AM, Joseph Myers <joseph@codesourcery.com> wrote:
> On Mon, 18 May 2015, Archie Cobbs wrote:
>
>> On Mon, May 18, 2015 at 5:46 AM, Florian Weimer <fweimer@redhat.com> wrote:
>> > > IMO we should be conservative and do (c), and document in NEWS, Release wiki
>> > > page, and hopefully the manual.
>> >
>> > I don't think this is worth the cost.  (Even such little changes add up
>> > and eventually impact linking time and code size.)  It does not even fix
>> > a bug, and application code can easily set *ptr to NULL before calling
>> > asprintf, to get uniform behavior across all known implementations (if
>> > that simplifies application code).
>>
>> This makes sense to me as well. What about this then:
>
> Even if you don't do (c) old symbol version behaves as now, are you sure
> about doing (a) no new symbol version, rather than (b) new symbol version,
> both are aliases, so new binaries won't run with old glibc?

Yes I also agree (b) would be safer... but being new here I don't know
how to create symbol 'aliases' so either someone else will have to do
it (or explain to me how :)

Thanks,
-Archie

-- 
Archie L. Cobbs