add -p: improve error messages

diff --git a/oidset.h b/oidset.h
index f4c9e0f9c04e71440aee3c1382297cbf8b1c7827..40ec5f87fe208e8e15feeb29ff0bb9d6325f44f8 100644 (file)
--- a/oidset.h
+++ b/oidset.h
@@ -24,6 +24,12 @@ struct oidset {
 
 #define OIDSET_INIT { OIDMAP_INIT }
 
+
+static inline void oidset_init(struct oidset *set, size_t initial_size)
+{
+       oidmap_init(&set->map, initial_size);
+}
+
 /**
  * Returns true iff `set` contains `oid`.
  */
@@ -38,10 +44,40 @@ int oidset_contains(const struct oidset *set, const struct object_id *oid);
  */
 int oidset_insert(struct oidset *set, const struct object_id *oid);
 
+/**
+ * Remove the oid from the set.
+ *
+ * Returns 1 if the oid was present in the set, 0 otherwise.
+ */
+int oidset_remove(struct oidset *set, const struct object_id *oid);
+
 /**
  * Remove all entries from the oidset, freeing any resources associated with
  * it.
  */
 void oidset_clear(struct oidset *set);
 
+struct oidset_iter {
+       struct oidmap_iter m_iter;
+};
+
+static inline void oidset_iter_init(struct oidset *set,
+                                   struct oidset_iter *iter)
+{
+       oidmap_iter_init(&set->map, &iter->m_iter);
+}
+
+static inline struct object_id *oidset_iter_next(struct oidset_iter *iter)
+{
+       struct oidmap_entry *e = oidmap_iter_next(&iter->m_iter);
+       return e ? &e->oid : NULL;
+}
+
+static inline struct object_id *oidset_iter_first(struct oidset *set,
+                                                 struct oidset_iter *iter)
+{
+       oidset_iter_init(set, iter);
+       return oidset_iter_next(iter);
+}
+
 #endif /* OIDSET_H */