load_subtree(): combine some common code

Write the length into `object_oid` (before copying) rather than
`l->key_oid` (after copying). Then combine some code from the two `if`
blocks.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/notes.c b/notes.c
index 930ae3a0d795a084f8c709249342fb719aa40046..0074bc9b8948693d0dcd7957e1f9511bc50e43bf 100644 (file)
--- a/notes.c
+++ b/notes.c
@@ -447,10 +447,6 @@ static void load_subtree(struct notes_tree *t, struct leaf_node *subtree,
                                goto handle_non_note; /* entry.path is not a SHA1 */
 
                        type = PTR_TYPE_NOTE;
-                       l = (struct leaf_node *)
-                               xcalloc(1, sizeof(struct leaf_node));
-                       oidcpy(&l->key_oid, &object_oid);
-                       oidcpy(&l->val_oid, entry.oid);
                } else if (path_len == 2) {
                        /* This is potentially an internal node */
 
@@ -463,17 +459,17 @@ static void load_subtree(struct notes_tree *t, struct leaf_node *subtree,
                                                GIT_SHA1_RAWSZ - prefix_len))
                                goto handle_non_note; /* entry.path is not a SHA1 */
 
+                       object_oid.hash[KEY_INDEX] = (unsigned char) (prefix_len + 1);
+
                        type = PTR_TYPE_SUBTREE;
-                       l = (struct leaf_node *)
-                               xcalloc(1, sizeof(struct leaf_node));
-                       oidcpy(&l->key_oid, &object_oid);
-                       oidcpy(&l->val_oid, entry.oid);
-                       l->key_oid.hash[KEY_INDEX] = (unsigned char) (prefix_len + 1);
                } else {
                        /* This can't be part of a note */
                        goto handle_non_note;
                }
 
+               l = xcalloc(1, sizeof(*l));
+               oidcpy(&l->key_oid, &object_oid);
+               oidcpy(&l->val_oid, entry.oid);
                if (note_tree_insert(t, node, n, l, type,
                                     combine_notes_concatenate))
                        die("Failed to load %s %s into notes tree "