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Diffstat (limited to 'reftable/blocksource.c')
-rw-r--r--reftable/blocksource.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/reftable/blocksource.c b/reftable/blocksource.c
index 2605371..8331b34 100644
--- a/reftable/blocksource.c
+++ b/reftable/blocksource.c
@@ -15,7 +15,8 @@ https://developers.google.com/open-source/licenses/bsd
static void strbuf_return_block(void *b, struct reftable_block *dest)
{
- memset(dest->data, 0xff, dest->len);
+ if (dest->len)
+ memset(dest->data, 0xff, dest->len);
reftable_free(dest->data);
}
@@ -56,7 +57,8 @@ void block_source_from_strbuf(struct reftable_block_source *bs,
static void malloc_return_block(void *b, struct reftable_block *dest)
{
- memset(dest->data, 0xff, dest->len);
+ if (dest->len)
+ memset(dest->data, 0xff, dest->len);
reftable_free(dest->data);
}
@@ -85,7 +87,8 @@ static uint64_t file_size(void *b)
static void file_return_block(void *b, struct reftable_block *dest)
{
- memset(dest->data, 0xff, dest->len);
+ if (dest->len)
+ memset(dest->data, 0xff, dest->len);
reftable_free(dest->data);
}