diff options
Diffstat (limited to 'tools/iio/iio_event_monitor.c')
| -rw-r--r-- | tools/iio/iio_event_monitor.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c index 9ee195949a4a..cd3fd41b481d 100644 --- a/tools/iio/iio_event_monitor.c +++ b/tools/iio/iio_event_monitor.c @@ -215,8 +215,8 @@ static void print_event(struct iio_event_data *event) bool diff = IIO_EVENT_CODE_EXTRACT_DIFF(event->id); if (!event_is_known(event)) { - printf("Unknown event: time: %lld, id: %llx\n", - event->timestamp, event->id); + fprintf(stderr, "Unknown event: time: %lld, id: %llx\n", + event->timestamp, event->id); return; } @@ -251,7 +251,7 @@ int main(int argc, char **argv) int fd, event_fd; if (argc <= 1) { - printf("Usage: %s <device_name>\n", argv[0]); + fprintf(stderr, "Usage: %s <device_name>\n", argv[0]); return -1; } @@ -277,14 +277,14 @@ int main(int argc, char **argv) fd = open(chrdev_name, 0); if (fd == -1) { ret = -errno; - fprintf(stdout, "Failed to open %s\n", chrdev_name); + fprintf(stderr, "Failed to open %s\n", chrdev_name); goto error_free_chrdev_name; } ret = ioctl(fd, IIO_GET_EVENT_FD_IOCTL, &event_fd); if (ret == -1 || event_fd == -1) { ret = -errno; - fprintf(stdout, "Failed to retrieve event fd\n"); + fprintf(stderr, "Failed to retrieve event fd\n"); if (close(fd) == -1) perror("Failed to close character device file"); @@ -300,7 +300,7 @@ int main(int argc, char **argv) ret = read(event_fd, &event, sizeof(event)); if (ret == -1) { if (errno == EAGAIN) { - printf("nothing available\n"); + fprintf(stderr, "nothing available\n"); continue; } else { ret = -errno; @@ -310,7 +310,7 @@ int main(int argc, char **argv) } if (ret != sizeof(event)) { - printf("Reading event failed!\n"); + fprintf(stderr, "Reading event failed!\n"); ret = -EIO; break; } |