Re: lug-bg: "C" wapros
- Subject: Re: lug-bg: "C" wapros
- From: valery@xxxxxxxxxxxxx (Valery Dachev)
- Date: Thu, 18 May 2000 09:03:09 +0300 (EEST)
On Thu, 18 May 2000, luben karavelov wrote:
> 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").
> >
> ami ako i ti se opitash da ispulnish #!/bin/sh ... kato mashinen kod,
> mnogo veroyatno i ti shte otidesh niakade kadeto ne ti e miastoto, t.e.
> na "Bad address".
Sega gluposti li shte si goworim ili kakwo ? Az ti obqsnqwam, che NQMA DA
IZGYRMI. Kak shte izgyrmi s EFAULT pri takawa greshka ?!
> > "Bad address" znachi si podal kofti ukazatel - kato NULL w sluchaq
>
> ami celta na NULL vyv funkciite exec() e druga - tova znachi krai na
> parametrite, taka che si e na miasto, toi niama nishto obshto s addressa.
Da, ama kato ne mu podawash nikakyw masiw. Ako iskash da mu podadesh
prazen masiw ne podawash NULL, a podawash masiw ot char *, w kojto pyrwiqt
element e NULL !
Napylno sym syglasen s Tacho. Pocheti oshte malko.
> Za podrobnost - info libc
Za podrobnosti, RTFS !
S uwavenie, Valery Dachev
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