diff options
Diffstat (limited to 'commit-reach.h')
| -rw-r--r-- | commit-reach.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/commit-reach.h b/commit-reach.h index 148b56fea5..f708c46e52 100644 --- a/commit-reach.h +++ b/commit-reach.h @@ -104,4 +104,35 @@ struct commit_list *get_reachable_subset(struct commit **from, int nr_from, struct commit **to, int nr_to, unsigned int reachable_flag); +struct ahead_behind_count { + /** + * As input, the *_index members indicate which positions in + * the 'tips' array correspond to the tip and base of this + * comparison. + */ + size_t tip_index; + size_t base_index; + + /** + * These values store the computed counts for each side of the + * symmetric difference: + * + * 'ahead' stores the number of commits reachable from the tip + * and not reachable from the base. + * + * 'behind' stores the number of commits reachable from the base + * and not reachable from the tip. + */ + unsigned int ahead; + unsigned int behind; +}; + +/* + * Given an array of commits and an array of ahead_behind_count pairs, + * compute the ahead/behind counts for each pair. + */ +void ahead_behind(struct repository *r, + struct commit **commits, size_t commits_nr, + struct ahead_behind_count *counts, size_t counts_nr); + #endif |