From: Cristina Opriceana Date: Mon, 13 Jul 2015 13:20:11 +0000 (+0300) Subject: tools: iio: Add ARRAY_SIZE macro X-Git-Tag: v4.14-rc1~4839^2~139^2~67 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=34cbea1908fb686b037e01e5b1ab8e0e67b09ed3;p=platform%2Fkernel%2Flinux-rpi.git tools: iio: Add ARRAY_SIZE macro 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 Acked-by: Hartmut Knaack Signed-off-by: Jonathan Cameron --- 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; /**