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Date: Sun, 20 Jul 2003 18:50:41 -0400
From: Leo Bicknell <bicknell@ufp.org>
To: hackers@freebsd.org
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Subject: Re: Correct way to call execve?
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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[] =3D { _PATH_BSHELL, NULL };

  execve(_PATH_BSHELL,execargv,envp);

  return 0;
}


--=20
       Leo Bicknell - bicknell@ufp.org - CCIE 3440
        PGP keys at http://www.ufp.org/~bicknell/
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