sparse cleanup
[git.git] / diff-tree.c
index 3bf8899..5aa0d5e 100644 (file)
@@ -254,10 +254,10 @@ static int diff_tree_sha1(const unsigned char *old, const unsigned char *new, co
        unsigned long size1, size2;
        int retval;
 
-       tree1 = read_object_with_reference(old, "tree", &size1, 0);
+       tree1 = read_object_with_reference(old, "tree", &size1, NULL);
        if (!tree1)
                die("unable to read source tree (%s)", sha1_to_hex(old));
-       tree2 = read_object_with_reference(new, "tree", &size2, 0);
+       tree2 = read_object_with_reference(new, "tree", &size2, NULL);
        if (!tree2)
                die("unable to read destination tree (%s)", sha1_to_hex(new));
        retval = diff_tree(tree1, size1, tree2, size2, base);
@@ -273,7 +273,7 @@ static int diff_tree_sha1_top(const unsigned char *old,
 
        diff_setup(detect_rename, diff_score_opt, reverse_diff,
                   (generate_patch ? -1 : line_termination),
-                  0, 0);
+                  NULL, 0);
        ret = diff_tree_sha1(old, new, base);
        diff_flush();
        return ret;
@@ -287,8 +287,8 @@ static int diff_root_tree(const unsigned char *new, const char *base)
 
        diff_setup(detect_rename, diff_score_opt, reverse_diff,
                   (generate_patch ? -1 : line_termination),
-                  0, 0);
-       tree = read_object_with_reference(new, "tree", &size, 0);
+                  NULL, 0);
+       tree = read_object_with_reference(new, "tree", &size, NULL);
        if (!tree)
                die("unable to read root tree (%s)", sha1_to_hex(new));
        retval = diff_tree("", 0, tree, size, base);