+ return NULL;
+ res = xcalloc(1, sizeof(*res));
+ while (fgets(buf, sizeof(buf), fp))
+ handle_attr_line(res, buf, path, ++lineno, macro_ok);
+ fclose(fp);
+ return res;
+}
+
+static void *read_index_data(const char *path)
+{
+ int pos, len;
+ unsigned long sz;
+ enum object_type type;
+ void *data;
+
+ len = strlen(path);
+ pos = cache_name_pos(path, len);
+ if (pos < 0) {
+ /*
+ * We might be in the middle of a merge, in which
+ * case we would read stage #2 (ours).
+ */
+ int i;
+ for (i = -pos - 1;
+ (pos < 0 && i < active_nr &&
+ !strcmp(active_cache[i]->name, path));
+ i++)
+ if (ce_stage(active_cache[i]) == 2)
+ pos = i;
+ }
+ if (pos < 0)
+ return NULL;
+ data = read_sha1_file(active_cache[pos]->sha1, &type, &sz);
+ if (!data || type != OBJ_BLOB) {
+ free(data);
+ return NULL;
+ }
+ return data;
+}
+
+static struct attr_stack *read_attr(const char *path, int macro_ok)
+{
+ struct attr_stack *res;
+ char *buf, *sp;
+ int lineno = 0;
+
+ res = read_attr_from_file(path, macro_ok);
+ if (res)