Messages in this thread Patch in this message | | | Date | Mon, 13 Jul 2015 16:20:11 +0300 | From | Cristina Opriceana <> | Subject | [PATCH 3/3] tools: iio: Add ARRAY_SIZE macro |
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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> --- 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; /** -- 1.9.1
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