diff options
| -rw-r--r-- | src/fingerprint.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/fingerprint.c b/src/fingerprint.c index e17d83e..428b8df 100644 --- a/src/fingerprint.c +++ b/src/fingerprint.c @@ -254,7 +254,8 @@ static int heapextract(table_t * t, entry_t * item) p = &(t->heap[0]); memcpy(item, p, sizeof(entry_t)); - memcpy(&(t->heap[0]), &(t->heap[t->size - 1]), sizeof(entry_t)); + if (t->size > 1) + memcpy(&(t->heap[0]), &(t->heap[t->size - 1]), sizeof(entry_t)); siftdown(t, t->size, 0); t->size--; |