Re: +1 on setproctitle

As long as no-one uses getenv() before-hand and holds on to the string - or uses putenv as you say.

I would probably have a setproctitle_prepare() which is called first-thing in main() and relocates both argv and environ so that the original arg space is not referenced by anything. But that might just be paranoia.

Also - ld-linux.*.so uses environment variables. I wonder if it holds on to any that it looked up before main() was called.. Probably not, that would be asking for trouble.