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bisect: change calling-convention of find_bisection()

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This function takes a commit list and returns a commit list. The
returned list is built by modifying the original list. Thus the caller
should not use the original list again (and after the next commit fixes
a memory leak, it must not).

Change the function signature so that it takes a **list and has void
return type. That should make it harder to misuse this function.

While we're here, document this function.

Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Martin Ågren
2017-11-05 21:24:28 +01:00
committed by Junio C Hamano
parent cb5918aa0d
commit 24d707f636
3 changed files with 17 additions and 14 deletions
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16
bisect.c
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@ -360,21 +360,20 @@ static struct commit_list *do_find_bisection(struct commit_list *list,
return best_bisection_sorted(list, nr);
}
struct commit_list *find_bisection(struct commit_list *list,
int *reaches, int *all,
int find_all)
void find_bisection(struct commit_list **commit_list, int *reaches,
int *all, int find_all)
{
int nr, on_list;
struct commit_list *p, *best, *next, *last;
struct commit_list *list, *p, *best, *next, *last;
int *weights;
show_list("bisection 2 entry", 0, 0, list);
show_list("bisection 2 entry", 0, 0, *commit_list);
/*
* Count the number of total and tree-changing items on the
* list, while reversing the list.
*/
for (nr = on_list = 0, last = NULL, p = list;
for (nr = on_list = 0, last = NULL, p = *commit_list;
p;
p = next) {
unsigned flags = p->item->object.flags;
@ -402,7 +401,7 @@ struct commit_list *find_bisection(struct commit_list *list,
*reaches = weight(best);
}
free(weights);
return best;
*commit_list = best;
}
static int register_ref(const char *refname, const struct object_id *oid,
@ -954,8 +953,7 @@ int bisect_next_all(const char *prefix, int no_checkout)
bisect_common(&revs);
revs.commits = find_bisection(revs.commits, &reaches, &all,
!!skipped_revs.nr);
find_bisection(&revs.commits, &reaches, &all, !!skipped_revs.nr);
revs.commits = managed_skipped(revs.commits, &tried);
if (!revs.commits) {