hotfix CPAN.pm to force only ftp URLs

[p5sagit/p5-mst-13.2.git] / pp_ctl.c

diff --git a/pp_ctl.c b/pp_ctl.c
index 68a42d7..c181d0f 100644 (file)
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -149,6 +149,26 @@ PP(pp_regcomp)
        re = (REGEXP*) tmpstr;
 
     if (re) {
+       /* The match's LHS's get-magic might need to access this op's reg-
+          exp (as is sometimes the case with $';  see bug 70764).  So we
+          must call get-magic now before we replace the regexp. Hopeful-
+          ly this hack can be replaced with the approach described at
+          http://www.nntp.perl.org/group/perl.perl5.porters/2007/03
+          /msg122415.html some day. */
+       OP *matchop = pm->op_next;
+       SV *lhs;
+       const bool was_tainted = PL_tainted;
+       if (matchop->op_flags & OPf_STACKED)
+           lhs = TOPs;
+       else if (matchop->op_private & OPpTARGET_MY)
+           lhs = PAD_SV(matchop->op_targ);
+       else lhs = DEFSV;
+       SvGETMAGIC(lhs);
+       /* Restore the previous value of PL_tainted (which may have been
+          modified by get-magic), to avoid incorrectly setting the
+          RXf_TAINTED flag further down. */
+       PL_tainted = was_tainted;
+
        re = reg_temp_copy(NULL, re);
        ReREFCNT_dec(PM_GETRE(pm));
        PM_SETRE(pm, re);
@@ -1313,13 +1333,16 @@ S_dopoptolabel(pTHX_ const char *label)
        case CXt_LOOP_LAZYSV:
        case CXt_LOOP_FOR:
        case CXt_LOOP_PLAIN:
-           if ( !CxLABEL(cx) || strNE(label, CxLABEL(cx)) ) {
+         {
+           const char *cx_label = CxLABEL(cx);
+           if (!cx_label || strNE(label, cx_label) ) {
                DEBUG_l(Perl_deb(aTHX_ "(Skipping label #%ld %s)\n",
-                       (long)i, CxLABEL(cx)));
+                       (long)i, cx_label));
                continue;
            }
            DEBUG_l( Perl_deb(aTHX_ "(Found label #%ld %s)\n", (long)i, label));
            return i;
+         }
        }
     }
     return i;
@@ -2393,9 +2416,11 @@ S_dofindlabel(pTHX_ OP *o, const char *label, OP **opstack, OP **oplimit)
        OP *kid;
        /* First try all the kids at this level, since that's likeliest. */
        for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) {
-           if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) &&
-                   CopLABEL(kCOP) && strEQ(CopLABEL(kCOP), label))
-               return kid;
+           if (kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) {
+               const char *kid_label = CopLABEL(kCOP);
+               if (kid_label && strEQ(kid_label, label))
+                   return kid;
+           }
        }
        for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) {
            if (kid == PL_lastgotoprobe)
@@ -4313,7 +4338,7 @@ S_do_smartmatch(pTHX_ HV *seen_this, HV *seen_other)
                    (void) sv_2mortal(MUTABLE_SV(seen_this));
                }
                if (NULL == seen_other) {
-                   seen_this = newHV();
+                   seen_other = newHV();
                    (void) sv_2mortal(MUTABLE_SV(seen_other));
                }
                for(i = 0; i <= other_len; ++i) {