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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>
Acked-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Cristina Opriceana 2015-07-13 16:20:11 +03:00 committed by Jonathan Cameron
parent 37d38e2bcc
commit 34cbea1908
2 changed files with 3 additions and 1 deletions
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2
tools/iio/iio_utils.c
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@ -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];

2
tools/iio/iio_utils.h
View File

@ -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;
/**