ctermid: return string literal, document MT-Safety pitfall

[Alexandre Oliva]

On Nov 11, 2014, Florian Weimer <fweimer@redhat.com> wrote:

> On 11/07/2014 09:35 AM, Alexandre Oliva wrote:
>> This was based on an interpretation that strcpy (and memcpy, and
>> compiler-inlined versions thereof) could not write garbage in the
>> destination before writing the intended values, because this would be a
>> deviation from the specification, and it could be observed by an
>> asynchronous signal handler.

> Which specification do you mean?  glibc or the C standard?

I meant standard C.

-- 
Alexandre Oliva, freedom fighter    http://FSFLA.org/~lxoliva/
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