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| author | Dave Beckett <dave@dajobe.org> | 2020-09-13 07:34:00 -0700 |
|---|---|---|
| committer | Dave Beckett <dave@dajobe.org> | 2020-09-13 07:37:44 -0700 |
| commit | 03f5abe7fa5f013a6095321c5f4ad97021f801d2 (patch) | |
| tree | ead46d2ba94af1c209b67ce3aee04e6ef8fa2e77 | |
| parent | 7be3b6e2668cb1a90b71c89c313b58897c01b3d2 (diff) | |
| download | raptor-03f5abe7fa5f013a6095321c5f4ad97021f801d2.tar.gz | |
(raptor_avltree_delete_internal): Handle deleting empty tree.
Fixes invalid pointer reference reported by Li Qiang via email.
| -rw-r--r-- | src/raptor_avltree.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/raptor_avltree.c b/src/raptor_avltree.c index 5059eaaf..4001a92b 100644 --- a/src/raptor_avltree.c +++ b/src/raptor_avltree.c @@ -779,7 +779,10 @@ raptor_avltree_delete_internal(raptor_avltree* tree, return rdata; } - cmp = tree->compare_handler((*node_pp)->data, p_data); + if(p_data) + cmp = tree->compare_handler((*node_pp)->data, p_data); + else + cmp = 0; if(cmp > 0) { RAPTOR_AVLTREE_DEBUG1("too high - scan left\n"); |