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SubjectRe: [PATCH 3/3] tools: iio: Add ARRAY_SIZE macro
Cristina Opriceana schrieb am 13.07.2015 um 15:20:
> Calculation of the length of an array can be done with the ARRAY_SIZE
> macro to make code more abstract and remove the associated
> checkpatch.pl warning.
>
> Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Acked-by: Hartmut Knaack <knaack.h@gmx.de>
> ---
> tools/iio/iio_utils.c | 2 +-
> tools/iio/iio_utils.h | 2 ++
> 2 files changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/tools/iio/iio_utils.c b/tools/iio/iio_utils.c
> index 4a7e480..e177f40 100644
> --- a/tools/iio/iio_utils.c
> +++ b/tools/iio/iio_utils.c
> @@ -39,7 +39,7 @@ int iioutils_break_up_name(const char *full_name, char **generic_name)
> char *working, *prefix = "";
> int i, ret;
>
> - for (i = 0; i < sizeof(iio_direction) / sizeof(iio_direction[0]); i++)
> + for (i = 0; i < ARRAY_SIZE(iio_direction); i++)
> if (!strncmp(full_name, iio_direction[i],
> strlen(iio_direction[i]))) {
> prefix = iio_direction[i];
> diff --git a/tools/iio/iio_utils.h b/tools/iio/iio_utils.h
> index 0866101..f30a109 100644
> --- a/tools/iio/iio_utils.h
> +++ b/tools/iio/iio_utils.h
> @@ -18,6 +18,8 @@
> #define FORMAT_SCAN_ELEMENTS_DIR "%s/scan_elements"
> #define FORMAT_TYPE_FILE "%s_type"
>
> +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
> +
> extern const char *iio_dir;
>
> /**
>



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