Re: lug-bg: "C" wapros

[valery@xxxxxxxxxxxxx (Valery Dachev)]

On Wed, 17 May 2000, Luben Karavelov wrote:

> On Wed, May 17, 2000 at 10:04:59AM +0300, Valery Dachev wrote:
> > On Tue, 16 May 2000, luben karavelov wrote:
> > 
> > > Georgi Chorbadzhiyski wrote:
> > > > 
> > > > Ako mozhe niakoi po svetnat da pomogne. Imam slednata programa
> > > > ...
> > > script. Na purvia red directivata !/bin/sh e directiva kym shell-a,
> > > akavto niamash, kogato izpulniavash exec().
> > 
> > Na dali towa e prichinata da dade EFAULT ("Bad address").
> >
> 99% siguren sam che tova e prichinata.

Ostawa 1% procent, kydeto move bi ti e greshkata. I az ne znam zashto
trygwa, no wiv sledniq primer:

--------------------------------------------------------------------------

butt:~$ cat execvp.sh
#!/bin/bash
echo "Luben is wrong !"

butt:~$ cat execvp.c
#include <unistd.c>

void main() {
        char	*var[1];

        var[0]=NULL;
        execvp("./execvp.sh", var);
}

butt:~$ make execvp
cc     execvp.c   -o execvp
execvp.c: In function `main':
execvp.c:3: warning: return type of `main' is not `int'

butt:~$ ./execvp
Luben is wrong !

-------------------------------------------------------------------------
I za da ne kavesh oshte neshto, slovih taq programka kato shell na user, i
se lognah (danebi da sme "nasledili" ot nqkyde shell-a) ... pak syshtoto.
Wyprosi ?
                                                                Valery
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