[Minor] Use ref impl for small strings

diff --git a/contrib/fastutf8/fastutf8.c b/contrib/fastutf8/fastutf8.c
index 4a8d3309bc8192da386e407ec1fc20f79954b28e..2a5a9983c99a28a1a2b91089a5de46dadfc89169 100644 (file)
--- a/contrib/fastutf8/fastutf8.c
+++ b/contrib/fastutf8/fastutf8.c
@@ -154,5 +154,7 @@ rspamd_fast_utf8_library_init (unsigned flags)
 off_t
 rspamd_fast_utf8_validate (const unsigned char *data, size_t len)
 {
-       return validate_func (data, len);
+       return len >= 64 ?
+                       validate_func (data, len) :
+                       rspamd_fast_utf8_validate_ref (data, len);
 }
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