pp_formline: don't set itemsize in FF_LINEGLOB

This var is used to enable padding or truncating of output items.
FF_LINESNGL/FF_LINEGLOB do their own version of this, so there's
no need to set it there.

Or to put it another way, we don't expect a FF_LINESNGL or FF_LINEGLOB op
to be followed immediately by FF_SPACE, FF_HALFSPACE, FF_ITEM nor FF_MORE.

Not calculating it makes the code simpler and eases the path to merging
the appending code.

diff --git a/pp_ctl.c b/pp_ctl.c
index 335e6dd..7b037da 100644 (file)
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -895,11 +895,10 @@ PP(pp_formline)
                const char *const send = s + len;
 
                item_is_utf8 = DO_UTF8(sv);
-               itemsize = len;
-               if (!itemsize)
+               if (!len)
                    break;
                gotsome = TRUE;
-               chophere = s + itemsize;
+               chophere = s + len;
                source = (U8 *) s;
                to_copy = len;
                while (s < send) {
@@ -910,7 +909,6 @@ PP(pp_formline)
                            break;
                        } else {
                            if (s == send) {
-                               itemsize--;
                                to_copy--;
                            } else
                                lines++;
@@ -949,19 +947,8 @@ PP(pp_formline)
                Copy(source, t, to_copy, char);
                t += to_copy;
                SvCUR_set(PL_formtarget, SvCUR(PL_formtarget) + to_copy);
-               if (item_is_utf8) {
-                   if (SvGMAGICAL(sv)) {
-                       /* Mustn't call sv_pos_b2u() as it does a second
-                          mg_get(). Is this a bug? Do we need a _flags()
-                          variant? */
-                       itemsize = utf8_length(source, source + itemsize);
-                   } else {
-                       sv_pos_b2u(sv, &itemsize);
-                   }
-                   assert(!tmp);
-               } else if (tmp) {
+               if (tmp)
                    Safefree(tmp);
-               }
                break;
            }