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mraa: Fix compiler warnings unused vars and useless statements

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Should have 0 functionality effect, just cleans up a few things. Fixes #577

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2016-09-13 11:20:40 +01:00
parent 139d42d084
commit 6c85b61daa
11 changed files with 15 additions and 19 deletions
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11
src/iio/iio.c
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@@ -309,7 +309,7 @@ mraa_iio_wait_event(int fd, char* data, int* read_size)
// Wait for it forever or until pthread_cancel
// poll is a cancelable point like sleep()
int x = poll(&pfd, 1, -1);
poll(&pfd, 1, -1);
memset(data, 0, 100);
*read_size = read(fd, data, 100);
@@ -376,10 +376,7 @@ mraa_iio_get_event_data(mraa_iio_context dev)
char buf[MAX_SIZE];
char readbuf[32];
int fd;
int ret = 0;
int padint = 0;
int curr_bytes = 0;
char shortbuf, signchar;
memset(buf, 0, MAX_SIZE);
memset(readbuf, 0, 32);
snprintf(buf, MAX_SIZE, IIO_SYSFS_DEVICE "%d/" IIO_EVENTS, dev->num);
@@ -441,7 +438,7 @@ mraa_iio_event_poll_nonblock(int fd, struct iio_event_data* data)
// Wait for it forever or until pthread_cancel
// poll is a cancelable point like sleep()
int x = poll(&pfd, 1, -1);
poll(&pfd, 1, -1);
read(fd, data, sizeof(struct iio_event_data));
@@ -573,9 +570,7 @@ mraa_result_t
mraa_iio_create_trigger(mraa_iio_context dev, const char* trigger)
{
struct stat configfs_status;
struct stat trigger_status;
char buf[MAX_SIZE];
int ret;
if (stat(IIO_CONFIGFS_TRIGGER, &configfs_status) == 0) {
memset(buf, 0, MAX_SIZE);