Messages in this thread | | | Date | Mon, 13 Jul 2015 20:49:32 +0200 | From | Hartmut Knaack <> | Subject | Re: [PATCH 3/3] tools: iio: Add ARRAY_SIZE macro |
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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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