[win32] merge change#896 from maintbranch

[perl5.git] / sv.c

diff --git a/sv.c b/sv.c
index f9872b0..b5e408c 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -335,8 +335,19 @@ do_clean_objs(SV *sv)
 static void
 do_clean_named_objs(SV *sv)
 {
-    if (SvTYPE(sv) == SVt_PVGV && GvSV(sv))
-       do_clean_objs(GvSV(sv));
+    if (SvTYPE(sv) == SVt_PVGV) {
+       if ( SvOBJECT(GvSV(sv)) ||
+            GvAV(sv) && SvOBJECT(GvAV(sv)) ||
+            GvHV(sv) && SvOBJECT(GvHV(sv)) ||
+            GvIO(sv) && SvOBJECT(GvIO(sv)) ||
+            GvCV(sv) && SvOBJECT(GvCV(sv)) )
+       {
+           DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning named glob object:\n "), sv_dump(sv));)
+           SvREFCNT_dec(sv);
+       }
+       else if (GvSV(sv))
+           do_clean_objs(GvSV(sv));
+    }
 }
 #endif
 
@@ -389,6 +400,10 @@ sv_free_arenas(void)
            Safefree((void *)sva);
     }
 
+    if (nice_chunk)
+       Safefree(nice_chunk);
+    nice_chunk = Nullch;
+    nice_chunk_size = 0;
     sv_arenaroot = 0;
     sv_root = 0;
 }
@@ -1891,8 +1906,11 @@ sv_setsv(SV *dstr, register SV *sstr)
 
     switch (stype) {
     case SVt_NULL:
-       (void)SvOK_off(dstr);
-       return;
+       if (dtype != SVt_PVGV) {
+           (void)SvOK_off(dstr);
+           return;
+       }
+       break;
     case SVt_IV:
        if (dtype != SVt_IV && dtype < SVt_PVIV) {
            if (dtype < SVt_IV)
@@ -1964,7 +1982,7 @@ sv_setsv(SV *dstr, register SV *sstr)
                SvFAKE_on(dstr);        /* can coerce to non-glob */
            }
            /* ahem, death to those who redefine active sort subs */
-           else if (curstack == sortstack
+           else if (curstackinfo->si_type == SI_SORT
                     && GvCV(dstr) && sortcop == CvSTART(GvCV(dstr)))
                croak("Can't redefine active sort subroutine %s",
                      GvNAME(dstr));
@@ -2055,7 +2073,7 @@ sv_setsv(SV *dstr, register SV *sstr)
                            {
                                /* ahem, death to those who redefine
                                 * active sort subs */
-                               if (curstack == sortstack &&
+                               if (curstackinfo->si_type == SI_SORT &&
                                      sortcop == CvSTART(cv))
                                    croak(
                                    "Can't redefine active sort subroutine %s",
@@ -2194,7 +2212,12 @@ sv_setsv(SV *dstr, register SV *sstr)
        SvIVX(dstr) = SvIVX(sstr);
     }
     else {
-       (void)SvOK_off(dstr);
+       if (dtype == SVt_PVGV) {
+           if (dowarn)
+               warn("Undefined value assigned to typeglob");
+       }
+       else
+           (void)SvOK_off(dstr);
     }
     SvTAINT(dstr);
 }
@@ -2740,6 +2763,7 @@ sv_clear(register SV *sv)
                destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
                if (destructor) {
                    ENTER;
+                   PUSHSTACK(SI_DESTROY);
                    SvRV(&ref) = SvREFCNT_inc(sv);
                    EXTEND(SP, 2);
                    PUSHMARK(SP);
@@ -2748,6 +2772,7 @@ sv_clear(register SV *sv)
                    perl_call_sv((SV*)GvCV(destructor),
                                 G_DISCARD|G_EVAL|G_KEEPERR);
                    SvREFCNT(sv)--;
+                   POPSTACK();
                    LEAVE;
                }
            } while (SvOBJECT(sv) && SvSTASH(sv) != stash);
@@ -4102,6 +4127,10 @@ sv_unglob(SV *sv)
     SvFAKE_off(sv);
     if (GvGP(sv))
        gp_free((GV*)sv);
+    if (GvSTASH(sv)) {
+       SvREFCNT_dec(GvSTASH(sv));
+       GvSTASH(sv) = Nullhv;
+    }
     sv_unmagic(sv, '*');
     Safefree(GvNAME(sv));
     GvMULTI_off(sv);