+ /* Here, the next char in s2 is < 256. We've already
+ * worked on s1, and if it isn't also < 256, can't match */
+ if (u1 && (! UTF8_IS_INVARIANT(*p1)
+ && ! UTF8_IS_DOWNGRADEABLE_START(*p1)))
+ {
+ return 0;
+ }
+ if (! u2 || UTF8_IS_INVARIANT(*p2)) {
+ *foldbuf2 = *p2;
+ }
+ else {
+ *foldbuf2 = TWO_BYTE_UTF8_TO_UNI(*p2, *(p2 + 1));
+ }
+
+ /* Use another function to handle locale rules. We've made
+ * sure that both characters to compare are single bytes */
+ if (! foldEQ_locale((char *) f1, (char *) foldbuf2, 1)) {
+ return 0;
+ }
+ n1 = n2 = 0;