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-rw-r--r--src/cache/ftcmanag.c42
1 files changed, 17 insertions, 25 deletions
diff --git a/src/cache/ftcmanag.c b/src/cache/ftcmanag.c
index 6c8433910..94f8469c9 100644
--- a/src/cache/ftcmanag.c
+++ b/src/cache/ftcmanag.c
@@ -426,7 +426,7 @@
memory = manager->memory;
/* now discard all caches */
- for (idx = manager->num_caches; idx-- > 0; )
+ for ( idx = manager->num_caches; idx-- > 0; )
{
FTC_Cache cache = manager->caches[idx];
@@ -537,7 +537,7 @@
FT_LOCAL_DEF( void )
FTC_Manager_Compress( FTC_Manager manager )
{
- FTC_Node node, first;
+ FTC_Node node, prev, first;
if ( !manager )
@@ -557,20 +557,16 @@
return;
/* go to last node -- it's a circular list */
- node = FTC_NODE_PREV( first );
+ prev = FTC_NODE_PREV( first );
do
{
- FTC_Node prev;
-
-
- prev = ( node == first ) ? NULL : FTC_NODE_PREV( node );
+ node = prev;
+ prev = FTC_NODE_PREV( node );
if ( node->ref_count <= 0 )
ftc_node_destroy( node, manager );
- node = prev;
-
- } while ( node && manager->cur_weight > manager->max_weight );
+ } while ( node != first && manager->cur_weight > manager->max_weight );
}
@@ -633,20 +629,20 @@
FT_UInt count )
{
FTC_Node first = manager->nodes_list;
- FTC_Node node;
- FT_UInt result;
+ FTC_Node prev, node;
+ FT_UInt result = 0;
/* try to remove `count' nodes from the list */
- if ( !first ) /* empty list! */
- return 0;
+ if ( !first || !count )
+ return result;
- /* go to last node - it's a circular list */
- node = FTC_NODE_PREV(first);
- for ( result = 0; result < count; )
+ /* go to last node -- it's a circular list */
+ prev = FTC_NODE_PREV( first );
+ do
{
- FTC_Node prev = FTC_NODE_PREV( node );
-
+ node = prev;
+ prev = FTC_NODE_PREV( node );
/* don't touch locked nodes */
if ( node->ref_count <= 0 )
@@ -654,13 +650,9 @@
ftc_node_destroy( node, manager );
result++;
}
+ } while ( node != first && result < count );
- if ( node == first )
- break;
-
- node = prev;
- }
- return result;
+ return result;
}