From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Tue, 8 Sep 2015 01:01:14 -0300 Subject: Linux-libre 4.2-gnu --- tools/iio/iio_event_monitor.c | 50 +++++++++++++++++++++++-------------------- 1 file changed, 27 insertions(+), 23 deletions(-) (limited to 'tools/iio/iio_event_monitor.c') diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c index 427c271ac..016760e76 100644 --- a/tools/iio/iio_event_monitor.c +++ b/tools/iio/iio_event_monitor.c @@ -213,23 +213,19 @@ static void print_event(struct iio_event_data *event) return; } - printf("Event: time: %lld, ", event->timestamp); + printf("Event: time: %lld, type: %s", event->timestamp, + iio_chan_type_name_spec[type]); - if (mod != IIO_NO_MOD) { - printf("type: %s(%s), ", - iio_chan_type_name_spec[type], - iio_modifier_names[mod]); - } else { - printf("type: %s, ", - iio_chan_type_name_spec[type]); - } + if (mod != IIO_NO_MOD) + printf("(%s)", iio_modifier_names[mod]); - if (diff && chan >= 0 && chan2 >= 0) - printf("channel: %d-%d, ", chan, chan2); - else if (chan >= 0) - printf("channel: %d, ", chan); + if (chan >= 0) { + printf(", channel: %d", chan); + if (diff && chan2 >= 0) + printf("-%d", chan2); + } - printf("evtype: %s", iio_ev_type_text[ev_type]); + printf(", evtype: %s", iio_ev_type_text[ev_type]); if (dir != IIO_EV_DIR_NONE) printf(", direction: %s", iio_ev_dir_text[dir]); @@ -258,28 +254,34 @@ int main(int argc, char **argv) device_name, dev_num); ret = asprintf(&chrdev_name, "/dev/iio:device%d", dev_num); if (ret < 0) { - ret = -ENOMEM; - goto error_ret; + return -ENOMEM; } } else { /* If we can't find a IIO device by name assume device_name is a IIO chrdev */ chrdev_name = strdup(device_name); + if (!chrdev_name) + return -ENOMEM; } fd = open(chrdev_name, 0); if (fd == -1) { - fprintf(stdout, "Failed to open %s\n", chrdev_name); ret = -errno; + fprintf(stdout, "Failed to open %s\n", chrdev_name); goto error_free_chrdev_name; } ret = ioctl(fd, IIO_GET_EVENT_FD_IOCTL, &event_fd); - - close(fd); - if (ret == -1 || event_fd == -1) { + ret = -errno; fprintf(stdout, "Failed to retrieve event fd\n"); + if (close(fd) == -1) + perror("Failed to close character device file"); + + goto error_free_chrdev_name; + } + + if (close(fd) == -1) { ret = -errno; goto error_free_chrdev_name; } @@ -291,8 +293,8 @@ int main(int argc, char **argv) printf("nothing available\n"); continue; } else { - perror("Failed to read event from device"); ret = -errno; + perror("Failed to read event from device"); break; } } @@ -300,9 +302,11 @@ int main(int argc, char **argv) print_event(&event); } - close(event_fd); + if (close(event_fd) == -1) + perror("Failed to close event file"); + error_free_chrdev_name: free(chrdev_name); -error_ret: + return ret; } -- cgit v1.2.3