X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fplugins%2Futils%2Fmuxer%2Fmuxer.c;h=9510d07a5e45a865d33f7855fbdc02534f384268;hb=0e4ccfb91e2c0ddc8d57d9a56976a53cce45f9d6;hp=e68c372c0addaa43615c152abbe894a785af702b;hpb=a85355e78ee7fcba26f6cebc9f31434f14c54c8a;p=babeltrace.git

diff --git a/src/plugins/utils/muxer/muxer.c b/src/plugins/utils/muxer/muxer.c
index e68c372c..9510d07a 100644
--- a/src/plugins/utils/muxer/muxer.c
+++ b/src/plugins/utils/muxer/muxer.c
@@ -1531,8 +1531,14 @@ bt_component_class_message_iterator_seek_beginning_method_status muxer_msg_iter_
 		muxer_msg_iter->ended_muxer_upstream_msg_iters->pdata[i] = NULL;
 	}
 
-	g_ptr_array_remove_range(muxer_msg_iter->ended_muxer_upstream_msg_iters,
-		0, muxer_msg_iter->ended_muxer_upstream_msg_iters->len);
+	/*
+	 * GLib < 2.48.0 asserts when g_ptr_array_remove_range() is
+	 * called on an empty array.
+	 */
+	if (muxer_msg_iter->ended_muxer_upstream_msg_iters->len > 0) {
+		g_ptr_array_remove_range(muxer_msg_iter->ended_muxer_upstream_msg_iters,
+			0, muxer_msg_iter->ended_muxer_upstream_msg_iters->len);
+	}
 	muxer_msg_iter->last_returned_ts_ns = INT64_MIN;
 	muxer_msg_iter->clock_class_expectation =
 		MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY;