Re: [PATCH] tools: iio: iio_generic_buffer: fix argument '?' option

[Jonathan Cameron <jic23@kernel.org>]

On 21/09/16 17:57, Mugunthan V N wrote:
> When help ('?') option is passed to the command, the help text
> printed but not from '?' switch case of getopt_long() but as a
> invalid argument as below. Fix this by adding '?' to opt_String
> of getopt_long().
> 
> root@am437x-evm:~# ./iio_generic_buffer -?
> ./iio_generic_buffer: invalid option -- '?'
> Usage: generic_buffer [options]...
> Capture, convert and output data from IIO device buffer
>   -a         Auto-activate all available channels
> ...
> 
> Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Thanks,

Applied to the togreg branch of iio.git, initially pushed
out as testing.

Jonathan
> ---
>  tools/iio/iio_generic_buffer.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/iio/iio_generic_buffer.c b/tools/iio/iio_generic_buffer.c
> index f39c0e9..85e2329 100644
> --- a/tools/iio/iio_generic_buffer.c
> +++ b/tools/iio/iio_generic_buffer.c
> @@ -352,7 +352,7 @@ int main(int argc, char **argv)
>  
>  	register_cleanup();
>  
> -	while ((c = getopt_long(argc, argv, "ac:egl:n:N:t:T:w:", longopts, NULL)) != -1) {
> +	while ((c = getopt_long(argc, argv, "ac:egl:n:N:t:T:w:?", longopts, NULL)) != -1) {
>  		switch (c) {
>  		case 'a':
>  			autochannels = AUTOCHANNELS_ENABLED;
>