Initialize all camera fields with NULL to catch errors early on

1 files changed, 28 insertions, 0 deletions

diff --git a/src/uca-cam.c b/src/uca-cam.c
index eb76fad..b26b826 100644
--- a/src/uca-cam.c
+++ b/src/uca-cam.c
@@ -19,3 +19,31 @@ enum uca_cam_state uca_cam_get_state(struct uca_camera *cam)
     return cam->state;
 }
 
+struct uca_camera *uca_cam_new(void)
+{
+    struct uca_camera *cam = (struct uca_camera *) malloc(sizeof(struct uca_camera));
+
+    cam->next = NULL;
+
+    /* Set all function pointers to NULL so we know early on, if something has
+     * not been implemented. */
+    cam->set_property = NULL;
+    cam->get_property = NULL;
+    cam->start_recording = NULL;
+    cam->stop_recording = NULL;
+    cam->grab = NULL;
+    cam->register_callback = NULL;
+    cam->destroy = NULL;
+
+    cam->user = NULL;
+
+    cam->grabber = NULL;
+    cam->state = UCA_CAM_CONFIGURABLE;
+    cam->current_frame = 0;
+
+    /* No callbacks and user data associated yet */
+    cam->callback = NULL;
+    cam->callback_user = NULL;
+
+    return cam;
+}