On Tue, 14 Jan 2003, DervishD wrote:
> Hi Richard :)
>
> > > Any header where I can see the length for argv[0] or is this some
> > > kind of unoficial standard? Just doing strcpy seems dangerous to me
> > > (you can read 'paranoid'...).
> > They need to have space for _POSIX_PATH_MAX (512 bytes), to
> > claim POSIX compatibility so any POSIX system will have at
> > least 512 bytes available because the pathname of the executable
> > normally goes there.
>
> Enough for me, then. Thanks a lot :)) Just one more thing: in my
> Single Unix Spec v3 says that the minimum value of _POSIX_PATH_MAX is
> 256, not 512, and the libc manual says just the same :??
>
> Anyway, 256 bytes is a fair large amount ;))))
>
> Thanks again, Richard.
>
> Raśl
>
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.
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.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Wed Jan 15 2003 - 22:00:51 EST