- {
- /* Compare sl1 and sl2. */
- errno = 0;
- result = strcoll (sl1, sl2);
- if (errno == 0)
- {
- /* strcoll succeeded. */
- free (sl1);
- free (sl2);
- }
- else
- {
- /* strcoll failed. */
- final_errno = errno;
- free (sl1);
- free (sl2);
- result = U_STRCMP (s1, s2);
- }
- }
+ {
+ /* Compare sl1 and sl2. */
+ errno = 0;
+ result = strcoll (sl1, sl2);
+ if (errno == 0)
+ {
+ /* strcoll succeeded. */
+ free (sl1);
+ free (sl2);
+ /* The conversion to locale encoding can drop Unicode TAG
+ characters. Therefore sl1 and sl2 may be equal when s1
+ and s2 were in fact different. Return a nonzero result
+ in this case. */
+ if (result == 0)
+ result = U_STRCMP (s1, s2);
+ }
+ else
+ {
+ /* strcoll failed. */
+ final_errno = errno;
+ free (sl1);
+ free (sl2);
+ result = U_STRCMP (s1, s2);
+ }
+ }