Date: Thu, 10 Jan 2002 00:20:02 -0800 (PST) From: Marc Olzheim <marcolz@stack.nl> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/33738: [PATCH] empty argv Message-ID: <200201100820.g0A8K2t34335@freefall.freebsd.org>
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The following reply was made to PR kern/33738; it has been noted by GNATS.
From: Marc Olzheim <marcolz@stack.nl>
To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
Cc: Marc Olzheim <marcolz@stack.nl>,
freebsd-gnats-submit@FreeBSD.ORG, Serge van den Boom <svdb@stack.nl>
Subject: Re: kern/33738: [PATCH] empty argv
Date: Thu, 10 Jan 2002 09:16:36 +0100
[snip]
> If the Standard does not say that a list must be non-empty, then it
> may be empty.
Hmmm, then programs like passwd, lpr, etc. should probably be fixed, or
checked for potential abuse of (argc == 0).
Marc
__
/* noargv.c */
#include <stdio.h>
#include <unistd.h>
int
main(int argc, char *argv[])
{
const char *bar[] = { "/tmp/foo", NULL };
if (argc != 2)
{
fprintf(stderr, "Usage: %s <prog>\n", argv[0]);
return(1);
}
execve(argv[1], NULL, bar);
perror("execve");
return(0);
}
__
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