iio.c: Fix indentation

[contrib/mraa.git] / src / iio / iio.c

diff --git a/src/iio/iio.c b/src/iio/iio.c
index f15a337..7ad20a8 100644 (file)
--- a/src/iio/iio.c
+++ b/src/iio/iio.c
@@ -441,10 +441,14 @@ mraa_iio_event_poll(mraa_iio_context dev, struct iio_event_data* data)
     int event_fd;
     int fd;
 
-    sprintf(bu, IIO_SLASH_DEV "%d", dev->num);
+    snprintf(bu, MAX_SIZE, IIO_SLASH_DEV "%d", dev->num);
     fd = open(bu, 0);
-    ret = ioctl(fd, IIO_GET_EVENT_FD_IOCTL, &event_fd);
-    close(fd);
+    if (fd != -1) {
+        ret = ioctl(fd, IIO_GET_EVENT_FD_IOCTL, &event_fd);
+        close(fd);
+    } else {
+        return MRAA_ERROR_UNSPECIFIED;
+    }
 
     if (ret == -1 || event_fd == -1)
         return MRAA_ERROR_UNSPECIFIED;
@@ -527,14 +531,18 @@ mraa_iio_get_mounting_matrix(mraa_iio_context dev, float mm[9])
 {
     char buf[MAX_SIZE];
     FILE* fp;
+    int ret;
 
     memset(buf, 0, MAX_SIZE);
     snprintf(buf, MAX_SIZE, IIO_SYSFS_DEVICE "%d/" IIO_MOUNTING_MATRIX, dev->num);
     fp = fopen(buf, "r");
     if (fp != NULL) {
-        fscanf(fp, "%f %f %f\n%f %f %f\n%f %f %f\n", &mm[0], &mm[1], &mm[2], &mm[3], &mm[4], &mm[5],
+        ret = fscanf(fp, "%f %f %f\n%f %f %f\n%f %f %f\n", &mm[0], &mm[1], &mm[2], &mm[3], &mm[4], &mm[5],
                &mm[6], &mm[7], &mm[8]);
         fclose(fp);
+        if (ret != 9) {
+            return MRAA_ERROR_UNSPECIFIED;
+        }
         return MRAA_SUCCESS;
     }
     return MRAA_ERROR_UNSPECIFIED;
@@ -551,9 +559,9 @@ mraa_iio_create_trigger(mraa_iio_context dev, const char* trigger)
     if (stat(IIO_CONFIGFS_TRIGGER, &configfs_status) == 0) {
         memset(buf, 0, MAX_SIZE);
         snprintf(buf, MAX_SIZE, IIO_CONFIGFS_TRIGGER "%s", trigger);
-    // we actually don't care if this doesn't succeed, as it just means
-    // it's already been initialised
-    mkdir(buf, configfs_status.st_mode);
+        // we actually don't care if this doesn't succeed, as it just means
+        // it's already been initialised
+        mkdir(buf, configfs_status.st_mode);
     }
 
     return MRAA_ERROR_UNSPECIFIED;