Date: Sat, 18 Feb 2006 18:42:19 +0100 From: Stefan Farfeleder <stefan@fafoe.narf.at> To: joerg@britannica.bec.de Cc: freebsd-hackers@freebsd.org Subject: Re: different behaviour on fbsd and linux Message-ID: <20060218174216.GC578@wombat.fafoe.narf.at> In-Reply-To: <20060218172152.GB11874@britannica.bec.de> References: <20060218171718.GA73133@stud.fit.vutbr.cz> <20060218172152.GB11874@britannica.bec.de>
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On Sat, Feb 18, 2006 at 06:21:52PM +0100, joerg@britannica.bec.de wrote:
> On Sat, Feb 18, 2006 at 06:17:18PM +0100, Divacky Roman wrote:
> > execl("/bin/ls", NULL);
>
> This is wrong. You must specify arg0 != NULL (POSIX says so) and you
> must NULL-terminate the *following* list.
>
> E.g.:
> execl("/bin/ls", "/bin/ls", NULL);
> is what you want to do.
execl("/bin/ls", "/bin/ls", (char *)NULL); as NULL might expand to an
integer 0.
Stefan
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