Sync with the latest MakeMaker snapshot.

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

diff --git a/mg.c b/mg.c
index efdd61e..d98a6d5 100644 (file)
--- a/mg.c
+++ b/mg.c
@@ -384,7 +384,7 @@ Perl_mg_free(pTHX_ SV *sv)
        if (vtbl && vtbl->svt_free)
            CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg);
        if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global) {
-           if (mg->mg_len > 0)
+           if (mg->mg_len > 0 || mg->mg_type == PERL_MAGIC_utf8)
                Safefree(mg->mg_ptr);
            else if (mg->mg_len == HEf_SVKEY)
                SvREFCNT_dec((SV*)mg->mg_ptr);
@@ -397,10 +397,7 @@ Perl_mg_free(pTHX_ SV *sv)
     return 0;
 }
 
-
-#if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX)
 #include <signal.h>
-#endif
 
 U32
 Perl_magic_regdata_cnt(pTHX_ SV *sv, MAGIC *mg)
@@ -1538,6 +1535,7 @@ Perl_magic_wipepack(pTHX_ SV *sv, MAGIC *mg)
     call_method("CLEAR", G_SCALAR|G_DISCARD);
     POPSTACK;
     LEAVE;
+
     return 0;
 }
 
@@ -1572,6 +1570,41 @@ Perl_magic_existspack(pTHX_ SV *sv, MAGIC *mg)
     return magic_methpack(sv,mg,"EXISTS");
 }
 
+SV *
+Perl_magic_scalarpack(pTHX_ HV *hv, MAGIC *mg)
+{
+    dSP;
+    SV *retval = &PL_sv_undef;
+    SV *tied = SvTIED_obj((SV*)hv, mg);
+    HV *pkg = SvSTASH((SV*)SvRV(tied));
+   
+    if (!gv_fetchmethod_autoload(pkg, "SCALAR", FALSE)) {
+        SV *key;
+        if (HvEITER(hv))
+            /* we are in an iteration so the hash cannot be empty */
+            return &PL_sv_yes;
+        /* no xhv_eiter so now use FIRSTKEY */
+        key = sv_newmortal();
+        magic_nextpack((SV*)hv, mg, key);
+        HvEITER(hv) = NULL;     /* need to reset iterator */
+        return SvOK(key) ? &PL_sv_yes : &PL_sv_no;
+    }
+   
+    /* there is a SCALAR method that we can call */
+    ENTER;
+    PUSHSTACKi(PERLSI_MAGIC);
+    PUSHMARK(SP);
+    EXTEND(SP, 1);
+    PUSHs(tied);
+    PUTBACK;
+
+    if (call_method("SCALAR", G_SCALAR))
+        retval = *PL_stack_sp--; 
+    POPSTACK;
+    LEAVE;
+    return retval;
+}
+
 int
 Perl_magic_setdbline(pTHX_ SV *sv, MAGIC *mg)
 {
@@ -2072,7 +2105,8 @@ Perl_magic_set(pTHX_ SV *sv, MAGIC *mg)
        break;
     case '\020':       /* ^P */
        PL_perldb = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
-       if (PL_perldb && !PL_DBsingle)
+       if ((PERLDB_SUB || PERLDB_LINE || PERLDB_SUBLINE || PERLDB_ASSERTION)
+               && !PL_DBsingle)
            init_debugger();
        break;
     case '\024':       /* ^T */