- return (a->tag == b->tag && a->length == b->length &&
- !memcmp(a->data, b->data, b->length));
+ int ret, len;
+
+ if (a->tag > b->tag) {
+ ret = 1;
+ } else if (b->tag > a->tag) {
+ ret = -1;
+ } else {
+ len = (a->length < b->length) ? a->length : b->length;
+ ret = memcmp(a->data, b->data, len);
+ if (ret == 0 && a->length != b->length) {
+ ret = (a->length < b->length) ? -1 : 1;
+ }
+ }
+
+ return ret;