[PATCH makedepend] Don't crash if an option's argument is missing

[Alan Coopersmith]

On 07/ 1/13 10:04 AM, Julien Cristau wrote:
> Avoid dereferencing argv[argc].
>
> See http://www.forallsecure.com/bug-reports/011f1a55f79a5501b36008d6ee0d40e8b6644569/
>
> Reported-by: Alexandre Rebert <alexandre at cmu.edu>
> Signed-off-by: Julien Cristau <jcristau at debian.org>
> ---
>   main.c |   16 ++++++++++++++++
>   1 file changed, 16 insertions(+)
>
> diff --git a/main.c b/main.c
> index e42b0cf..6ccb09b 100644
> --- a/main.c
> +++ b/main.c
> @@ -242,6 +242,8 @@ main(int argc, char *argv[])
>   			break;
>   		case 'D':
>   			if (argv[0][2] == '\0') {
> +                                if (argc < 2)
> +					fatalerr("Missing argument for -D\n");

Code is fine, but it appears that you've used spaces on the if line &
tabs on the fatalerr() line in each place, making the indentation look
funny in a few spots - would be nice to do a quick global-replace to
clean that up.

Reviewed-by: Alan Coopersmith <alan.coopersmith at oracle.com>

-- 
	-Alan Coopersmith-              alan.coopersmith at oracle.com
	 Oracle Solaris Engineering - http://blogs.oracle.com/alanc