David Kastrup <d...@gnu.org> writes:
> ---
Thanks. At some point during its development I must have thought
that having it as a dual-linked list may make it easier when we have
to split a block into pieces, but it seems that split_overlap() does
not need to look at this information.
Needs sign-off.
> builtin/blame.c | 13 ++-----------
> 1 file changed, 2 insertions(+), 11 deletions(-)
>
> diff --git a/builtin/blame.c b/builtin/blame.c
> index e44a6bb..2195595 100644
> --- a/builtin/blame.c
> +++ b/builtin/blame.c
> @@ -197,7 +197,6 @@ static void drop_origin_blob(struct origin *o)
> * scoreboard structure, sorted by the target line number.
> */
> struct blame_entry {
> - struct blame_entry *prev;
> struct blame_entry *next;
>
> /* the first line of this group in the final image;
> @@ -282,8 +281,6 @@ static void coalesce(struct scoreboard *sb)
> ent->s_lno + ent->num_lines == next->s_lno) {
> ent->num_lines += next->num_lines;
> ent->next = next->next;
> - if (ent->next)
> - ent->next->prev = ent;
> origin_decref(next->suspect);
> free(next);
> ent->score = 0;
> @@ -534,7 +531,7 @@ static void add_blame_entry(struct scoreboard *sb, struct
> blame_entry *e)
> prev = ent;
>
> /* prev, if not NULL, is the last one that is below e */
> - e->prev = prev;
> +
> if (prev) {
> e->next = prev->next;
> prev->next = e;
> @@ -543,8 +540,6 @@ static void add_blame_entry(struct scoreboard *sb, struct
> blame_entry *e)
> e->next = sb->ent;
> sb->ent = e;
> }
> - if (e->next)
> - e->next->prev = e;
> }
>
> /*
> @@ -555,14 +550,12 @@ static void add_blame_entry(struct scoreboard *sb,
> struct blame_entry *e)
> */
> static void dup_entry(struct blame_entry *dst, struct blame_entry *src)
> {
> - struct blame_entry *p, *n;
> + struct blame_entry *n;
>
> - p = dst->prev;
> n = dst->next;
> origin_incref(src->suspect);
> origin_decref(dst->suspect);
> memcpy(dst, src, sizeof(*src));
> - dst->prev = p;
> dst->next = n;
> dst->score = 0;
> }
> @@ -2502,8 +2495,6 @@ parse_done:
> ent->suspect = o;
> ent->s_lno = bottom;
> ent->next = next;
> - if (next)
> - next->prev = ent;
> origin_incref(o);
> }
> origin_decref(o);
--
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