[PATCH] stdlib: Perform NULL pointer check for the getenv argument

[Sam James]

Dennis Brendel via Libc-alpha <libc-alpha@sourceware.org> writes:

> 'name' is just de-referenced without checking for it being non-NULL.
> Passing NULL is not something one should do in the first place, but
> returning NULL seems to be reasonable in that case instead of just
> waiting for the segfault that might or might not be handled.
>
> This adds another barrier for e.g. safety applications.
>

See Carlos' email for why we can't do this, but I'm wondering what the
motivation here was and if we can do something to help with that?


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