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-rw-r--r--object.h25
1 files changed, 23 insertions, 2 deletions
diff --git a/object.h b/object.h
index 97d384b80a..2ff68c52dd 100644
--- a/object.h
+++ b/object.h
@@ -11,7 +11,13 @@ struct object_array {
unsigned int alloc;
struct object_array_entry {
struct object *item;
- const char *name;
+ /*
+ * name or NULL. If non-NULL, the memory pointed to
+ * is owned by this object *except* if it points at
+ * object_array_slopbuf, which is a static copy of the
+ * empty string.
+ */
+ char *name;
unsigned mode;
} *objects;
};
@@ -85,7 +91,22 @@ int object_list_contains(struct object_list *list, struct object *obj);
/* Object array handling .. */
void add_object_array(struct object *obj, const char *name, struct object_array *array);
void add_object_array_with_mode(struct object *obj, const char *name, struct object_array *array, unsigned mode);
-void object_array_remove_duplicates(struct object_array *);
+
+typedef int (*object_array_each_func_t)(struct object_array_entry *, void *);
+
+/*
+ * Apply want to each entry in array, retaining only the entries for
+ * which the function returns true. Preserve the order of the entries
+ * that are retained.
+ */
+void object_array_filter(struct object_array *array,
+ object_array_each_func_t want, void *cb_data);
+
+/*
+ * Remove from array all but the first entry with a given name.
+ * Warning: this function uses an O(N^2) algorithm.
+ */
+void object_array_remove_duplicates(struct object_array *array);
void clear_object_flags(unsigned flags);