(wordify): Fix i_byte even in unibyte case for copy loop.

If input is unibyte, make the output unibyte.

1 files changed, 10 insertions, 3 deletions

diff --git a/src/search.c b/src/search.c
index d7068547434..29a6fe4ff4f 100644
--- a/src/search.c
+++ b/src/search.c
@@ -1983,8 +1983,12 @@ wordify (string)
     return build_string ("");
 
   adjust = - punct_count + 5 * (word_count - 1) + 4;
-  val = make_uninit_multibyte_string (len + adjust,
-                                      STRING_BYTES (XSTRING (string)) + adjust);
+  if (STRING_MULTIBYTE (string))
+    val = make_uninit_multibyte_string (len + adjust,
+                                        STRING_BYTES (XSTRING (string))
+                                        + adjust);
+  else
+    val = make_uninit_string (len + adjust);
 
   o = XSTRING (val)->data;
   *o++ = '\\';
@@ -1999,7 +2003,10 @@ wordify (string)
       if (STRING_MULTIBYTE (string))
         FETCH_STRING_CHAR_ADVANCE (c, string, i, i_byte);
       else
-        c = XSTRING (string)->data[i++];
+        {
+          c = XSTRING (string)->data[i++];
+          i_byte++;
+        }
 
       if (SYNTAX (c) == Sword)
         {