blame: create entry prepend function

Create function that populates a blame_entry and prepends it to a list. Signed-off-by: Jeff Smith <whydoubt@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Jeff Smith committed May 24, 2017 at 00:15 UTC e94f77f0e28788972c3c828bdcbe5d68d034849e
1 file changed +15 -10
builtin/blame.c
+15 -10
@@ -2643,6 +2643,20 @@ void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blam
2643 *orig = o;
2644 }
2645
2646 +struct blame_entry *blame_entry_prepend(struct blame_entry *head,
2647 + long start, long end,
2648 + struct blame_origin *o)
2649 +{
2650 + struct blame_entry *new_head = xcalloc(1, sizeof(struct blame_entry));
2651 + new_head->lno = start;
2652 + new_head->num_lines = end - start;
2653 + new_head->suspect = o;
2654 + new_head->s_lno = start;
2655 + new_head->next = head;
2656 + blame_origin_incref(o);
2657 + return new_head;
2658 +}
2659 +
2660 int cmd_blame(int argc, const char **argv, const char *prefix)
2661 {
2662 struct rev_info revs;
@@ -2885,16 +2899,7 @@ parse_done:
2899
2900 for (range_i = ranges.nr; range_i > 0; --range_i) {
2901 const struct range *r = &ranges.ranges[range_i - 1];
2888 - long bottom = r->start;
2889 - long top = r->end;
2890 - struct blame_entry *next = ent;
2891 - ent = xcalloc(1, sizeof(*ent));
2892 - ent->lno = bottom;
2893 - ent->num_lines = top - bottom;
2894 - ent->suspect = o;
2895 - ent->s_lno = bottom;
2896 - ent->next = next;
2897 - blame_origin_incref(o);
2902 + ent = blame_entry_prepend(ent, r->start, r->end, o);
2903 }
2904
2905 o->suspects = ent;