Re: Changing argv[0] under Linux.

From: Mark Mielke (mark@mark.mielke.cc)
Date: Tue Jan 14 2003 - 23:46:44 EST

On Tue, Jan 14, 2003 at 03:11:41PM -0800, Bob Miller wrote:
> On Tue, Jan 14, 2003 at 03:04:18PM -0800, Bob Miller wrote:
> > Or you can copy your all your args and env to a temporary place and
> > then re-build your args and env with the new argv[0] in it's place.
> > But you must be carefull that your new argv[0] length plus the
> > length of all remaining args, envp and pointers is not greater than
> > the system defined size for this space.
> In thinking about this more this will NOT work. The user stack starts
> right after your envp. So, writing more info there would blow away
> your stack.

I can smell the next hack... memmove() the stack down to make room... :-)

mark 

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