/*
* split_overlap() divided an existing blame e into up to three parts
* in split. Any assigned blame is moved to queue to
* reflect the split.
*/
static void split_blame(struct blame_entry ***blamed,
struct blame_entry ***unblamed,
struct blame_entry *split,
struct blame_entry *e)
{
if (split[0].suspect && split[2].suspect) {
/* The first part (reuse storage for the existing entry e) */
dup_entry(unblamed, e, &split[0]);
/* The last part -- me */
add_blame_entry(unblamed, &split[2]);
/* ... and the middle part -- parent */
add_blame_entry(blamed, &split[1]);
}
else if (!split[0].suspect && !split[2].suspect)
/*
* The parent covers the entire area; reuse storage for
* e and replace it with the parent.
*/
dup_entry(blamed, e, &split[1]);
else if (split[0].suspect) {
/* me and then parent */
dup_entry(unblamed, e, &split[0]);
add_blame_entry(blamed, &split[1]);
}
else {
/* parent and then me */
dup_entry(blamed, e, &split[1]);
add_blame_entry(unblamed, &split[2]);
}
}
/*
* split_overlap() divided an existing blame e into up to three parts in split.
* Adjust the linked list of blames in the scoreboard to reflect the split.
*/
static void split_blame(git_blame *blame, git_blame__entry *split, git_blame__entry *e)
{
git_blame__entry *new_entry;
if (split[0].suspect && split[2].suspect) {
/* The first part (reuse storage for the existing entry e */
dup_entry(e, &split[0]);
/* The last part -- me */
new_entry = git__malloc(sizeof(*new_entry));
memcpy(new_entry, &(split[2]), sizeof(git_blame__entry));
add_blame_entry(blame, new_entry);
/* ... and the middle part -- parent */
new_entry = git__malloc(sizeof(*new_entry));
memcpy(new_entry, &(split[1]), sizeof(git_blame__entry));
add_blame_entry(blame, new_entry);
} else if (!split[0].suspect && !split[2].suspect) {
/*
* The parent covers the entire area; reuse storage for e and replace it
* with the parent
*/
dup_entry(e, &split[1]);
} else if (split[0].suspect) {
/* me and then parent */
dup_entry(e, &split[0]);
new_entry = git__malloc(sizeof(*new_entry));
memcpy(new_entry, &(split[1]), sizeof(git_blame__entry));
add_blame_entry(blame, new_entry);
} else {
/* parent and then me */
dup_entry(e, &split[1]);
new_entry = git__malloc(sizeof(*new_entry));
memcpy(new_entry, &(split[2]), sizeof(git_blame__entry));
add_blame_entry(blame, new_entry);
}
}
