commit_tree: take a pointer/len pair rather than a const strbuf

diff --git a/diffcore.h b/diffcore.h
index 1315cfd4ef0fbe0aeb0cae9a14bf09fd53212124..c876dac71a585abb1e138444eb28258e3bf6d7e8 100644 (file)
--- a/diffcore.h
+++ b/diffcore.h
@@ -46,7 +46,7 @@ struct diff_filespec {
        unsigned is_stdin : 1;
        unsigned has_more_entries : 1; /* only appear in combined diff */
        /* data should be considered "binary"; -1 means "don't know yet" */
-       int is_binary : 2;
+       signed int is_binary : 2;
        struct userdiff_driver *driver;
 };
 
@@ -111,6 +111,20 @@ extern void diffcore_merge_broken(void);
 extern void diffcore_pickaxe(struct diff_options *);
 extern void diffcore_order(const char *orderfile);
 
+/* low-level interface to diffcore_order */
+struct obj_order {
+       void *obj;      /* setup by caller */
+
+       /* setup/used by order_objects() */
+       int orig_order;
+       int order;
+};
+
+typedef const char *(*obj_path_fn_t)(void *obj);
+
+void order_objects(const char *orderfile, obj_path_fn_t obj_path,
+                  struct obj_order *objs, int nr);
+
 #define DIFF_DEBUG 0
 #if DIFF_DEBUG
 void diff_debug_filespec(struct diff_filespec *, int, const char *);