Messages in this thread | | | Date | Sat, 27 Jul 2013 12:51:44 +0100 | From | Jonathan Cameron <> | Subject | Re: [PATCH] iio: core: Avoid double minus in sysfs output |
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On 07/22/13 12:16, Oleksandr Kravchenko wrote: > From: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> > > This patch fixes the issue with double minus in output when > reading channels from sysfs for IIO_VAL_INT_PLUS_MICRO and > IIO_VAL_INT_PLUS_NANO cases. Until this patch if val and val2 > both are negatives output string contains "--" before > digits. It is result of "-%d..." in sprintf() format. > > Signed-off-by: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Applied to the togreg branch of iio.git
Not taken this as a fix as I don't know of any current drivers where this will be a problem.
Thanks. > --- > drivers/iio/industrialio-core.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c > index d56d122..97f0297 100644 > --- a/drivers/iio/industrialio-core.c > +++ b/drivers/iio/industrialio-core.c > @@ -383,14 +383,14 @@ static ssize_t iio_read_channel_info(struct device *dev, > scale_db = true; > case IIO_VAL_INT_PLUS_MICRO: > if (val2 < 0) > - return sprintf(buf, "-%d.%06u%s\n", val, -val2, > + return sprintf(buf, "-%ld.%06u%s\n", abs(val), -val2, > scale_db ? " dB" : ""); > else > return sprintf(buf, "%d.%06u%s\n", val, val2, > scale_db ? " dB" : ""); > case IIO_VAL_INT_PLUS_NANO: > if (val2 < 0) > - return sprintf(buf, "-%d.%09u\n", val, -val2); > + return sprintf(buf, "-%ld.%09u\n", abs(val), -val2); > else > return sprintf(buf, "%d.%09u\n", val, val2); > case IIO_VAL_FRACTIONAL: >
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