[vte] [ring] Invalidate cache

[Behdad Esfahbod <behdad src gnome org>]

commit 284b9bbb884d36e65af13e968304b74ddb5be1c7
Author: Behdad Esfahbod <behdad behdad org>
Date:   Tue Sep 8 01:42:25 2009 -0400

    [ring] Invalidate cache

 src/ring.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/src/ring.c b/src/ring.c
index 029ca25..75bb805 100644
--- a/src/ring.c
+++ b/src/ring.c
@@ -533,7 +533,7 @@ _vte_ring_chunk_new_compact (guint start)
 		free_chunk_compact = (VteRingChunkCompact *) chunk->base.next_chunk;
 		num_free_chunk_compact--;
 	} else {
-		chunk = malloc (VTE_POOL_BYTES);
+		chunk = g_malloc (VTE_POOL_BYTES);
 		chunk->total_bytes = VTE_POOL_BYTES - G_STRUCT_OFFSET (VteRingChunkCompact, p);
 	}
 	
@@ -915,6 +915,10 @@ _vte_ring_uncompact_one_row (VteRing *ring)
 
 	head->start--;
 
+	if (head->start == ring->cached_row_num)
+		/* Invalidate cached row */
+		ring->cached_row_num = (guint) -1;
+
 	row = _vte_ring_chunk_writable_index (head, head->start);
 	_vte_row_data_clear (row);