diff options
Diffstat (limited to 'priority_queue.h')
| -rw-r--r-- | priority_queue.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/priority_queue.h b/priority_queue.h index 63e9bbc..13eea1a 100644 --- a/priority_queue.h +++ b/priority_queue.h @@ -19,6 +19,9 @@ typedef struct PositionPQNode_s PositionPQ; PositionPQ *ppq_new(Position pos, size_t priority); /* Insert a pos with priority into a given PositionPQ */ +#define PPQ_INSERT_SUCCESS 0 +#define PPQ_INSERT_NEW 1 /* ppq was NULL, created a new one */ +#define PPQ_INSERT_ALREADY 2 /* pos is already in ppq */ int ppq_insert(PositionPQ **ppq, Position pos, size_t priority); /* Remove and return the position with the lowest priority */ |