buncha MacPerl patches for bleadperl

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

diff --git a/op.c b/op.c
index 6729ca0..366b183 100644 (file)
--- a/op.c
+++ b/op.c
@@ -1568,7 +1568,6 @@ Perl_mod(pTHX_ OP *o, I32 type)
     case OP_AASSIGN:
     case OP_NEXTSTATE:
     case OP_DBSTATE:
-    case OP_REFGEN:
     case OP_CHOMP:
        PL_modcount = RETURN_UNLIMITED_NUMBER;
        break;
@@ -1957,6 +1956,16 @@ S_my_kid(pTHX_ OP *o, OP *attrs)
     } else if (type == OP_RV2SV ||     /* "our" declaration */
               type == OP_RV2AV ||
               type == OP_RV2HV) { /* XXX does this let anything illegal in? */
+        if (attrs) {
+            GV *gv = cGVOPx_gv(cUNOPo->op_first);
+            PL_in_my = FALSE;
+            PL_in_my_stash = Nullhv;
+            apply_attrs(GvSTASH(gv),
+                        (type == OP_RV2SV ? GvSV(gv) :
+                         type == OP_RV2AV ? (SV*)GvAV(gv) :
+                         type == OP_RV2HV ? (SV*)GvHV(gv) : (SV*)gv),
+                        attrs);
+        }
        o->op_private |= OPpOUR_INTRO;
        return o;
     } else if (type != OP_PADSV &&
@@ -2694,7 +2703,7 @@ Perl_pmtrans(pTHX_ OP *o, OP *expr, OP *repl)
            while (t < tend) {
                cp[i++] = t;
                t += UTF8SKIP(t);
-               if (*t == 0xff) {
+               if (t < tend && *t == 0xff) {
                    t++;
                    t += UTF8SKIP(t);
                }
@@ -2702,7 +2711,7 @@ Perl_pmtrans(pTHX_ OP *o, OP *expr, OP *repl)
            qsort(cp, i, sizeof(U8*), utf8compare);
            for (j = 0; j < i; j++) {
                U8 *s = cp[j];
-               I32 cur = j < i ? cp[j+1] - s : tend - s;
+               I32 cur = j < i - 1 ? cp[j+1] - s : tend - s;
                UV  val = utf8_to_uv(s, cur, &ulen, 0);
                s += ulen;
                diff = val - nextmin;
@@ -2715,7 +2724,7 @@ Perl_pmtrans(pTHX_ OP *o, OP *expr, OP *repl)
                        sv_catpvn(transv, (char*)tmpbuf, t - tmpbuf);
                    }
                }
-               if (*s == 0xff)
+               if (s < tend && *s == 0xff)
                    val = utf8_to_uv(s+1, cur - 1, &ulen, 0);
                if (val >= nextmin)
                    nextmin = val + 1;
@@ -2728,6 +2737,7 @@ Perl_pmtrans(pTHX_ OP *o, OP *expr, OP *repl)
            t = (U8*)SvPVX(transv);
            tlen = SvCUR(transv);
            tend = t + tlen;
+           Safefree(cp);
        }
        else if (!rlen && !del) {
            r = t; rlen = tlen; rend = tend;
@@ -2820,6 +2830,7 @@ Perl_pmtrans(pTHX_ OP *o, OP *expr, OP *repl)
        else
            bits = 8;
 
+       Safefree(cPVOPo->op_pv);
        cSVOPo->op_sv = (SV*)swash_init("utf8", "", listsv, bits, none);
        SvREFCNT_dec(listsv);
        if (transv)
@@ -4547,6 +4558,12 @@ Perl_newATTRSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *attrs, OP *block)
 
     cv = (!name || GvCVGEN(gv)) ? Nullcv : GvCV(gv);
 
+#ifdef GV_SHARED_CHECK
+    if (cv && GvSHARED(gv) && SvREADONLY(cv)) {
+        Perl_croak(aTHX_ "Can't define subroutine %s (GV is shared)", name);
+    }
+#endif
+
     if (!block || !ps || *ps || attrs)
        const_sv = Nullsv;
     else
@@ -4554,6 +4571,13 @@ Perl_newATTRSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *attrs, OP *block)
 
     if (cv) {
         bool exists = CvROOT(cv) || CvXSUB(cv);
+
+#ifdef GV_SHARED_CHECK
+        if (exists && GvSHARED(gv)) {
+            Perl_croak(aTHX_ "Can't redefine shared subroutine %s", name);
+        }
+#endif
+
         /* if the subroutine doesn't exist and wasn't pre-declared
          * with a prototype, assume it will be AUTOLOADed,
          * skipping the prototype check
@@ -5005,6 +5029,11 @@ Perl_newFORM(pTHX_ I32 floor, OP *o, OP *block)
     else
        name = "STDOUT";
     gv = gv_fetchpv(name,TRUE, SVt_PVFM);
+#ifdef GV_SHARED_CHECK
+    if (GvSHARED(gv)) {
+        Perl_croak(aTHX_ "Bad symbol for form (GV is shared)");
+    }
+#endif
     GvMULTI_on(gv);
     if ((cv = GvFORM(gv))) {
        if (ckWARN(WARN_REDEFINE)) {