utf8.c: Skip extra function calls

The function to_uni_fold() works without requiring conversion first to
utf8.

diff --git a/utf8.c b/utf8.c
index b873578..9348a77 100644 (file)
--- a/utf8.c
+++ b/utf8.c
@@ -3596,8 +3596,6 @@ Perl_foldEQ_utf8_flags(pTHX_ const char *s1, char **pe1, register UV l1, bool u1
     STRLEN n1 = 0, n2 = 0;              /* Number of bytes in current char */
     U8 foldbuf1[UTF8_MAXBYTES_CASE+1];
     U8 foldbuf2[UTF8_MAXBYTES_CASE+1];
-    U8 natbuf[2];               /* Holds native 8-bit char converted to utf8;
-                                   these always fit in 2 bytes */
 
     PERL_ARGS_ASSERT_FOLDEQ_UTF8_FLAGS;
 
@@ -3704,9 +3702,8 @@ Perl_foldEQ_utf8_flags(pTHX_ const char *s1, char **pe1, register UV l1, bool u1
                else if (u1) {
                    to_utf8_fold(p1, foldbuf1, &n1);
                }
-               else {  /* Not utf8, convert to it first and then get fold */
-                   uvuni_to_utf8(natbuf, (UV) NATIVE_TO_UNI(((UV)*p1)));
-                   to_utf8_fold(natbuf, foldbuf1, &n1);
+               else {  /* Not utf8, get utf8 fold */
+                   to_uni_fold(NATIVE_TO_UNI(*p1), foldbuf1, &n1);
                }
                f1 = foldbuf1;
            }
@@ -3753,8 +3750,7 @@ Perl_foldEQ_utf8_flags(pTHX_ const char *s1, char **pe1, register UV l1, bool u1
                    to_utf8_fold(p2, foldbuf2, &n2);
                }
                else {
-                   uvuni_to_utf8(natbuf, (UV) NATIVE_TO_UNI(((UV)*p2)));
-                   to_utf8_fold(natbuf, foldbuf2, &n2);
+                   to_uni_fold(NATIVE_TO_UNI(*p2), foldbuf2, &n2);
                }
                f2 = foldbuf2;
            }