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Posted to commits@lucy.apache.org by nw...@apache.org on 2016/10/19 12:01:40 UTC

[2/4] lucy git commit: Fix memory leak in HitQueue

Fix memory leak in HitQueue

HitQueue would leak a FieldType if the last SortRule was of type
FIELD. This wasn't discovered by our test suite because we always
break ties by DOC_ID.

Thanks to Serkan Mulayim for the report.

Fixes LUCY-315.


Project: http://git-wip-us.apache.org/repos/asf/lucy/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucy/commit/62cdcf93
Tree: http://git-wip-us.apache.org/repos/asf/lucy/tree/62cdcf93
Diff: http://git-wip-us.apache.org/repos/asf/lucy/diff/62cdcf93

Branch: refs/heads/master
Commit: 62cdcf930dc871fb95b5c99fc86e93afe7a3e344
Parents: 87ea1b4
Author: Nick Wellnhofer <we...@aevum.de>
Authored: Wed Oct 19 13:29:58 2016 +0200
Committer: Nick Wellnhofer <we...@aevum.de>
Committed: Wed Oct 19 13:48:56 2016 +0200

----------------------------------------------------------------------
 core/Lucy/Search/HitQueue.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/lucy/blob/62cdcf93/core/Lucy/Search/HitQueue.c
----------------------------------------------------------------------
diff --git a/core/Lucy/Search/HitQueue.c b/core/Lucy/Search/HitQueue.c
index 94d4101..861c177 100644
--- a/core/Lucy/Search/HitQueue.c
+++ b/core/Lucy/Search/HitQueue.c
@@ -108,13 +108,15 @@ HitQ_init(HitQueue *self, Schema *schema, SortSpec *sort_spec,
 void
 HitQ_Destroy_IMP(HitQueue *self) {
     HitQueueIVARS *const ivars = HitQ_IVARS(self);
-    FieldType **types = ivars->field_types;
-    FieldType **const limit = types + ivars->num_actions - 1;
-    for (; types < limit; types++) {
-        if (types) { DECREF(*types); }
+    if (ivars->field_types) {
+        FieldType **types = ivars->field_types;
+        FieldType **const limit = types + ivars->num_actions;
+        for (; types < limit; types++) {
+            DECREF(*types);
+        }
+        FREEMEM(ivars->field_types);
     }
     FREEMEM(ivars->actions);
-    FREEMEM(ivars->field_types);
     SUPER_DESTROY(self, HITQUEUE);
 }