use xcalloc() to allocate zero-initialized memory

diff --git a/pack-objects.c b/pack-objects.c
index d01d851ce957c779ff98d243fea4476fa7a1008c..4f36c3204544c40ada8e6ce584deb6063b055518 100644 (file)
--- a/pack-objects.c
+++ b/pack-objects.c
@@ -47,8 +47,8 @@ static void rehash_objects(struct packing_data *pdata)
        if (pdata->index_size < 1024)
                pdata->index_size = 1024;
 
-       pdata->index = xrealloc(pdata->index, sizeof(uint32_t) * pdata->index_size);
-       memset(pdata->index, 0, sizeof(int) * pdata->index_size);
+       free(pdata->index);
+       pdata->index = xcalloc(pdata->index_size, sizeof(*pdata->index));
 
        entry = pdata->objects;