blame: move blame_entry duplication to add_blame_entry()

All callers of add_blame_entry() allocate and copy the second argument. Let the function do it for them, reducing code duplication. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>

René Scharfe committed Mar 10, 2017 at 01:12 UTC dfa3ad32386f95ae954d65163152f8130e3586a3
1 file changed +8 -17
builtin/blame.c
+8 -17
@@ -657,8 +657,11 @@ static struct origin *find_rename(struct scoreboard *sb,
657 /*
658 * Append a new blame entry to a given output queue.
659 */
660 -static void add_blame_entry(struct blame_entry ***queue, struct blame_entry *e)
660 +static void add_blame_entry(struct blame_entry ***queue,
661 + const struct blame_entry *src)
662 {
663 + struct blame_entry *e = xmalloc(sizeof(*e));
664 + memcpy(e, src, sizeof(*e));
665 origin_incref(e->suspect);
666
667 e->next = **queue;
@@ -759,21 +762,15 @@ static void split_blame(struct blame_entry ***blamed,
762 struct blame_entry *split,
763 struct blame_entry *e)
764 {
762 - struct blame_entry *new_entry;
763 -
765 if (split[0].suspect && split[2].suspect) {
766 /* The first part (reuse storage for the existing entry e) */
767 dup_entry(unblamed, e, &split[0]);
768
769 /* The last part -- me */
769 - new_entry = xmalloc(sizeof(*new_entry));
770 - memcpy(new_entry, &(split[2]), sizeof(struct blame_entry));
771 - add_blame_entry(unblamed, new_entry);
770 + add_blame_entry(unblamed, &split[2]);
771
772 /* ... and the middle part -- parent */
774 - new_entry = xmalloc(sizeof(*new_entry));
775 - memcpy(new_entry, &(split[1]), sizeof(struct blame_entry));
776 - add_blame_entry(blamed, new_entry);
773 + add_blame_entry(blamed, &split[1]);
774 }
775 else if (!split[0].suspect && !split[2].suspect)
776 /*
@@ -784,18 +781,12 @@ static void split_blame(struct blame_entry ***blamed,
781 else if (split[0].suspect) {
782 /* me and then parent */
783 dup_entry(unblamed, e, &split[0]);
787 -
788 - new_entry = xmalloc(sizeof(*new_entry));
789 - memcpy(new_entry, &(split[1]), sizeof(struct blame_entry));
790 - add_blame_entry(blamed, new_entry);
784 + add_blame_entry(blamed, &split[1]);
785 }
786 else {
787 /* parent and then me */
788 dup_entry(blamed, e, &split[1]);
795 -
796 - new_entry = xmalloc(sizeof(*new_entry));
797 - memcpy(new_entry, &(split[2]), sizeof(struct blame_entry));
798 - add_blame_entry(unblamed, new_entry);
789 + add_blame_entry(unblamed, &split[2]);
790 }
791 }
792