Date: Sun, 20 Jul 2003 18:50:41 -0400 From: Leo Bicknell <bicknell@ufp.org> To: hackers@freebsd.org Subject: Re: Correct way to call execve? Message-ID: <20030720225041.GA26277@ussenterprise.ufp.org> In-Reply-To: <3F1B0610.90803@acm.org> References: <3F1B0610.90803@acm.org>
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In a message written on Sun, Jul 20, 2003 at 02:13:52PM -0700, Tim Kientzle wrote:
> If I declare argv as "const char *",
> then the call to execve() warns about
> "incompatible pointer type" for the
> second argument.
Almost, but the other order is important here, this passes gcc -Wall:
#include <unistd.h>
#include <paths.h>
int main(int argc, char *const argv[], char *const envp[]) {
char *const execargv[] = { _PATH_BSHELL, NULL };
execve(_PATH_BSHELL,execargv,envp);
return 0;
}
--
Leo Bicknell - bicknell@ufp.org - CCIE 3440
PGP keys at http://www.ufp.org/~bicknell/
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