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| author | Mugunthan V N <mugunthanvnm@ti.com> | 2016-09-21 22:27:58 +0530 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2016-09-22 18:46:39 +0100 |
| commit | 44c5ba96ec1083b7694a88fd99c3012213314b82 (patch) | |
| tree | 5268af10971c8f3e868152b99c31b2967d5bfaff /tools/iio | |
| parent | 59dc1c8619e9f89987f36f03c5047fc2af642215 (diff) | |
| download | lwn-44c5ba96ec1083b7694a88fd99c3012213314b82.tar.gz lwn-44c5ba96ec1083b7694a88fd99c3012213314b82.zip | |
tools: iio: iio_generic_buffer: fix argument '?' option
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>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'tools/iio')
| -rw-r--r-- | tools/iio/iio_generic_buffer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/iio/iio_generic_buffer.c b/tools/iio/iio_generic_buffer.c index f39c0e9c0d5c..85e23291d3b9 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; |