Re: #! and argv[0]: the path is removed before invoking the

[Khimenko Victor]

In <[e-mail]> [e-mail] ([e-mail]) wrote:
> In <[e-mail]> Alan Cox ([e-mail]) wrote:
>>> I believe the behavior of #! on Solaris goes all the way back to BSD
>>> in of the early 80's.  FreeBSD 3.0 behaves as Solaris does.
>>>
>>> I hope this considered a bug.  If there willingness to take a patch for
>>> it, I might work on making the fix.

>> Im not sure about bug, but its certainly worth behaving the same way as
>> everyone else in this case if its appropriate to do so. Take a look at
>> the fs/binfmt* code and sure - send a patch

> IMO it's better be CONSISTENT. Either
>   1) argv[0] is always the same thing that was passed to execv
> or
>   2) argv[0] is always "realpath" to executable.

> Since in case of "real binary" we doing 1) IMNSHO we should do this in case
> of script as well...

Oops. Sorry, of course here natural thing is to use exactly what was fater
#! : execve() is such case sits deep in kernel and natural argument is of
course full speciafied name :-/

P.S. But limtation for just ONE additional argument looks ugly :-( Even if
it's like Unix always worked :-((