Integrate MIME::Base64 2.16 from CPAN. (Do we really want the
[p5sagit/p5-mst-13.2.git] / pp_hot.c
index 24d26d7..57766e8 100644 (file)
--- a/pp_hot.c
+++ b/pp_hot.c
@@ -1180,7 +1180,7 @@ PP(pp_match)
                 (PL_tainted && (pm->op_pmflags & PMf_RETAINT)));
     TAINT_NOT;
 
-    PL_reg_match_utf8 = DO_UTF8(TARG);
+    RX_MATCH_UTF8_set(rx, DO_UTF8(TARG));
 
     /* PMdf_USED is set after a ?? matches once */
     if (pm->op_pmdynflags & PMdf_USED) {
@@ -1355,7 +1355,7 @@ yup:                                      /* Confirmed by INTUIT */
     if (global) {
        rx->subbeg = truebase;
        rx->startp[0] = s - truebase;
-       if (PL_reg_match_utf8) {
+       if (RX_MATCH_UTF8(rx)) {
            char *t = (char*)utf8_hop((U8*)s, rx->minlen);
            rx->endp[0] = t - truebase;
        }
@@ -1466,6 +1466,8 @@ Perl_do_readline(pTHX)
                report_evil_fh(PL_last_in_gv, io, PL_op->op_type);
        }
        if (gimme == G_SCALAR) {
+           /* undef TARG, and push that undefined value */
+           SV_CHECK_THINKFIRST_COW_DROP(TARG);
            (void)SvOK_off(TARG);
            PUSHTARG;
        }
@@ -1527,6 +1529,7 @@ Perl_do_readline(pTHX)
                }
            }
            if (gimme == G_SCALAR) {
+               SV_CHECK_THINKFIRST_COW_DROP(TARG);
                (void)SvOK_off(TARG);
                SPAGAIN;
                PUSHTARG;
@@ -1904,14 +1907,14 @@ PP(pp_subst)
        rxtainted |= 2;
     TAINT_NOT;
 
-    PL_reg_match_utf8 = DO_UTF8(TARG);
+    RX_MATCH_UTF8_set(rx, DO_UTF8(TARG));
 
   force_it:
     if (!pm || !s)
        DIE(aTHX_ "panic: pp_subst");
 
     strend = s + len;
-    slen = PL_reg_match_utf8 ? utf8_length((U8*)s, (U8*)strend) : len;
+    slen = RX_MATCH_UTF8(rx) ? utf8_length((U8*)s, (U8*)strend) : len;
     maxiters = 2 * slen + 10;  /* We can match twice at each
                                   position, once with zero-length,
                                   second time with non-zero. */
@@ -2126,7 +2129,8 @@ PP(pp_subst)
            sv_catpvn(dstr, s, strend - s);
 
        (void)SvOOK_off(TARG);
-       Safefree(SvPVX(TARG));
+       if (SvLEN(TARG))
+           Safefree(SvPVX(TARG));
        SvPVX(TARG) = SvPVX(dstr);
        SvCUR_set(TARG, SvCUR(dstr));
        SvLEN_set(TARG, SvLEN(dstr));
@@ -2814,7 +2818,7 @@ PP(pp_method)
 PP(pp_method_named)
 {
     dSP;
-    SV* sv = cSVOP->op_sv;
+    SV* sv = cSVOP_sv;
     U32 hash = SvUVX(sv);
 
     XPUSHs(method_common(sv, &hash));