temporary debugging

libobs/util/buffered-file-serializer.c

@@ -182,8 +182,9 @@ static void *io_thread(void *opaque)
 			}
 
 			if (!chunk_used) {
-				blog(LOG_WARNING,
-				     "Attempted flushing empty chunk");
+				blog(LOG_ERROR, "Tried to write 0-byte chunk!");
+				os_atomic_set_bool(&out->io.output_error, true);
+				goto error;
 			}
 
 			// Write the current chunk to the output file
@@ -252,6 +253,13 @@ static size_t file_output_write(void *opaque, const void *buf, size_t buf_size)
 {
 	struct file_output_data *out = opaque;
 
+	if (!buf_size || !buf || !out) {
+		if (!buf_size)
+			blog(LOG_WARNING, "tried to do 0-byte write!");
+
+		return 0;
+	}
+
 	// If the output thread failed, signal that back up the stack
 	if (os_atomic_load_bool(&out->io.output_error))
 		return 0;