+UErrorCode icu_sortkey8_from_utf16(UCollator *coll,
+ struct icu_buf_utf8 * dest8,
+ struct icu_buf_utf16 * src16,
+ UErrorCode * status)
+{
+
+ int32_t sortkey_len = 0;
+
+ sortkey_len = ucol_getSortKey(coll, src16->utf16, src16->utf16_len,
+ dest8->utf8, dest8->utf8_cap);
+
+ // check for buffer overflow, resize and retry
+ if (sortkey_len > dest8->utf8_cap) {
+ icu_buf_utf8_resize(dest8, sortkey_len * 2);
+ sortkey_len = ucol_getSortKey(coll, src16->utf16, src16->utf16_len,
+ dest8->utf8, dest8->utf8_cap);
+ }
+
+ if (U_SUCCESS(*status)
+ && sortkey_len > 0)
+ dest8->utf8_len = sortkey_len;
+ else {
+ dest8->utf8[0] = (UChar) 0;
+ dest8->utf8_len = 0;
+ }
+
+ return *status;
+};