Re: Changing argv[0] under Linux.

From: Richard B. Johnson (root@chaos.analogic.com)
Date: Tue Jan 14 2003 - 15:28:23 EST


On Tue, 14 Jan 2003, Mark Mielke wrote:

> On Tue, Jan 14, 2003 at 02:56:35PM -0500, Richard B. Johnson wrote:
> > Well I just grepped through usr/include/bits/posix1_lim.h and it
> > shows 255 (with this 'C' library) so you are probably right.
> > In any event, a "whole line of text" isn't going to overrun it.
>
> Looking at the code, it looks to me as if argv[0] can be any size up to
> _SC_ARG_MAX, with the restraining factor being that the environment
> variables and the other arguments must fit in the same space.
>
> Is this not correct?
>
> mark

Don't think so. In my headers _SC_ARG_MAX is an enumerated type
that is numerically equal to 0. It's in confname.h, the first
element in the enumerated list.

Cheers,
Dick Johnson
Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips).
Why is the government concerned about the lunatic fringe? Think about it.

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