aboutsummaryrefslogtreecommitdiffstats
path: root/reftable/stack.c
diff options
context:
space:
mode:
Diffstat (limited to 'reftable/stack.c')
-rw-r--r--reftable/stack.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/reftable/stack.c b/reftable/stack.c
index 59fd695a12..634f0c5425 100644
--- a/reftable/stack.c
+++ b/reftable/stack.c
@@ -270,9 +270,9 @@ static int reftable_stack_reload_once(struct reftable_stack *st,
int reuse_open)
{
size_t cur_len = !st->merged ? 0 : st->merged->readers_len;
- struct reftable_reader **cur;
+ struct reftable_reader **cur = NULL;
struct reftable_reader **reused = NULL;
- struct reftable_reader **new_readers;
+ struct reftable_reader **new_readers = NULL;
size_t reused_len = 0, reused_alloc = 0, names_len;
size_t new_readers_len = 0;
struct reftable_merged_table *new_merged = NULL;
@@ -280,18 +280,22 @@ static int reftable_stack_reload_once(struct reftable_stack *st,
int err = 0;
size_t i;
- cur = stack_copy_readers(st, cur_len);
- if (!cur) {
- err = REFTABLE_OUT_OF_MEMORY_ERROR;
- goto done;
+ if (cur_len) {
+ cur = stack_copy_readers(st, cur_len);
+ if (!cur) {
+ err = REFTABLE_OUT_OF_MEMORY_ERROR;
+ goto done;
+ }
}
names_len = names_length(names);
- new_readers = reftable_calloc(names_len, sizeof(*new_readers));
- if (!new_readers) {
- err = REFTABLE_OUT_OF_MEMORY_ERROR;
- goto done;
+ if (names_len) {
+ new_readers = reftable_calloc(names_len, sizeof(*new_readers));
+ if (!new_readers) {
+ err = REFTABLE_OUT_OF_MEMORY_ERROR;
+ goto done;
+ }
}
while (*names) {
@@ -1627,6 +1631,9 @@ int reftable_stack_auto_compact(struct reftable_stack *st)
struct segment seg;
uint64_t *sizes;
+ if (st->merged->readers_len < 2)
+ return 0;
+
sizes = stack_table_sizes_for_compaction(st);
if (!sizes)
return REFTABLE_OUT_OF_MEMORY_ERROR;