Re: [PATCH v2 0/2] MR4313: MSVCRT _(w)environ[] has a separate allocation chunk for each entry.

[Piotr Caban (＠piotr)]

On Tue Nov  7 13:09:06 2023 +0000, eric pouech wrote:
> I don't agree. It shows that the memory hasn't been (re)allocated
> elsewhere, so that keeping the pointer around is valid across putenv
> calls. and we need also to ensure string content hasn't been changed.
> for clarity I'll add the same test for getenv()which behaves the same way

In order to check that string content didn't change you will need to copy the buffer earlier. Calling strcmp(ptr, ptr) doesn't make sense.