Re: [PATCH rt-tests v3 28/33] pip_stress: Prepare arg parser to accept only long options

[John Kacur <jkacur@redhat.com>]

On Sat, 20 Mar 2021, Daniel Wagner wrote:

> Introduce the option value enums to be able to parse only long
> options.
> 
> Signed-off-by: Daniel Wagner <dwagner@suse.de>
> ---
>  src/pi_tests/pip_stress.c | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)
> 
> diff --git a/src/pi_tests/pip_stress.c b/src/pi_tests/pip_stress.c
> index ed034799da66..0831f698ff1d 100644
> --- a/src/pi_tests/pip_stress.c
> +++ b/src/pi_tests/pip_stress.c
> @@ -77,6 +77,10 @@ static void usage(int error)
>  	exit(error);
>  }
>  
> +enum option_values {
> +	OPT_HELP=1
> +};
> +
>  int main(int argc, char *argv[])
>  {
>  	void *mptr;	/* memory pointer */
> @@ -87,14 +91,15 @@ int main(int argc, char *argv[])
>  
>  	for (;;) {
>  		struct option long_options[] = {
> -			{ "help",	no_argument,		NULL,	'h' },
> -			{ NULL,		0,			NULL,	0 },
> +			{"help",	no_argument,		NULL, OPT_HELP},
> +			{NULL,		0,			NULL, 0}
>  		};
>  
> -		int c = getopt_long(argc, argv, "s:h", long_options, NULL);
> +		int c = getopt_long(argc, argv, "h", long_options, NULL);
>  		if (c == -1)
>  			break;
>  		switch (c) {
> +		case OPT_HELP:
>  		case 'h':
>  			usage(0);
>  			break;
> -- 
> 2.30.2
> 
> 
Signed-off-by: John Kacur <jkacur@redhat.com>