/*
* Helper for blame_chunk(). blame_entry e is known to overlap with the patch
* hunk; split it and pass blame to the parent.
*/
static void blame_overlap(
git_blame *blame,
git_blame__entry *e,
size_t tlno,
size_t plno,
size_t same,
git_blame__origin *parent)
{
git_blame__entry split[3] = {{0}};
split_overlap(split, e, tlno, plno, same, parent);
if (split[1].suspect)
split_blame(blame, split, e);
decref_split(split);
}
/*
* We are looking at a part of the final image represented by
* ent (tlno and same are offset by ent->s_lno).
* tlno is where we are looking at in the final image.
* up to (but not including) same match preimage.
* plno is where we are looking at in the preimage.
*
* <-------------- final image ---------------------->
* <------ent------>
* ^tlno ^same
* <---------preimage----->
* ^plno
*
* All line numbers are 0-based.
*/
static void handle_split(struct blame_scoreboard *sb,
struct blame_entry *ent,
int tlno, int plno, int same,
struct blame_origin *parent,
struct blame_entry *split)
{
if (ent->num_lines <= tlno)
return;
if (tlno < same) {
struct blame_entry potential[3];
tlno += ent->s_lno;
same += ent->s_lno;
split_overlap(potential, ent, tlno, plno, same, parent);
copy_split_if_better(sb, split, potential);
decref_split(potential);
}
}
