[PATCH] reftable: pass pq_entry by address

[Elijah Conners <business@elijahpepe.com>]

In merged_iter_pqueue_add, the pq_entry parameter is passed by value,
although it exceeds 64 bytes.

Signed-off-by: Elijah Conners <business@elijahpepe.com>
---
 reftable/merged.c  | 4 ++--
 reftable/pq.c      | 4 ++--
 reftable/pq.h      | 2 +-
 reftable/pq_test.c | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/reftable/merged.c b/reftable/merged.c
index 2a6efa110d..5ded470c08 100644
--- a/reftable/merged.c
+++ b/reftable/merged.c
@@ -36,7 +36,7 @@ static int merged_iter_init(struct merged_iter *mi)
 				.rec = rec,
 				.index = i,
 			};
-			merged_iter_pqueue_add(&mi->pq, e);
+			merged_iter_pqueue_add(&mi->pq, &e);
 		}
 	}
 
@@ -71,7 +71,7 @@ static int merged_iter_advance_nonnull_subiter(struct merged_iter *mi,
 		return 0;
 	}
 
-	merged_iter_pqueue_add(&mi->pq, e);
+	merged_iter_pqueue_add(&mi->pq, &e);
 	return 0;
 }
 
diff --git a/reftable/pq.c b/reftable/pq.c
index 96ca6dd37b..156f78a064 100644
--- a/reftable/pq.c
+++ b/reftable/pq.c
@@ -71,7 +71,7 @@ struct pq_entry merged_iter_pqueue_remove(struct merged_iter_pqueue *pq)
 	return e;
 }
 
-void merged_iter_pqueue_add(struct merged_iter_pqueue *pq, struct pq_entry e)
+void merged_iter_pqueue_add(struct merged_iter_pqueue *pq, struct pq_entry *e)
 {
 	int i = 0;
 
@@ -81,7 +81,7 @@ void merged_iter_pqueue_add(struct merged_iter_pqueue *pq, struct pq_entry e)
 					    pq->cap * sizeof(struct pq_entry));
 	}
 
-	pq->heap[pq->len++] = e;
+	pq->heap[pq->len++] = *e;
 	i = pq->len - 1;
 	while (i > 0) {
 		int j = (i - 1) / 2;
diff --git a/reftable/pq.h b/reftable/pq.h
index 56fc1b6d87..e5e9234baf 100644
--- a/reftable/pq.h
+++ b/reftable/pq.h
@@ -26,7 +26,7 @@ struct pq_entry merged_iter_pqueue_top(struct merged_iter_pqueue pq);
 int merged_iter_pqueue_is_empty(struct merged_iter_pqueue pq);
 void merged_iter_pqueue_check(struct merged_iter_pqueue pq);
 struct pq_entry merged_iter_pqueue_remove(struct merged_iter_pqueue *pq);
-void merged_iter_pqueue_add(struct merged_iter_pqueue *pq, struct pq_entry e);
+void merged_iter_pqueue_add(struct merged_iter_pqueue *pq, struct pq_entry *e);
 void merged_iter_pqueue_release(struct merged_iter_pqueue *pq);
 int pq_less(struct pq_entry *a, struct pq_entry *b);
 
diff --git a/reftable/pq_test.c b/reftable/pq_test.c
index 7de5e886f3..011b5c7502 100644
--- a/reftable/pq_test.c
+++ b/reftable/pq_test.c
@@ -46,7 +46,7 @@ static void test_pq(void)
 					       .u.ref = {
 						       .refname = names[i],
 					       } } };
-		merged_iter_pqueue_add(&pq, e);
+		merged_iter_pqueue_add(&pq, &e);
 		merged_iter_pqueue_check(pq);
 		i = (i * 7) % N;
 	} while (i != 1);
-- 
2.29.2.windows.2