X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=gv.c;h=0d34366e4ffc92c3f2f6cda33feb3ff181685b00;hb=a2c090b32fe57241b25aa87d3fadb41ff58ba0a5;hp=fa830bf5314829f477528b34018ead24f1e6720b;hpb=32251b26ec0781f53d9925938cad5bd9e89c80f2;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/gv.c b/gv.c
index fa830bf..0d34366 100644
--- a/gv.c
+++ b/gv.c
@@ -1,6 +1,6 @@
 /*    gv.c
  *
- *    Copyright (c) 1991-2000, Larry Wall
+ *    Copyright (c) 1991-2001, Larry Wall
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -45,8 +45,14 @@ Perl_gv_IOadd(pTHX_ register GV *gv)
 {
     if (!gv || SvTYPE((SV*)gv) != SVt_PVGV)
 	Perl_croak(aTHX_ "Bad symbol for filehandle");
-    if (!GvIOp(gv))
+    if (!GvIOp(gv)) {
+#ifdef GV_SHARED_CHECK
+        if (GvSHARED(gv)) {
+            Perl_croak(aTHX_ "Bad symbol for filehandle (GV is shared)");
+        }
+#endif
 	GvIOp(gv) = newIO();
+    }
     return gv;
 }
 
@@ -119,7 +125,7 @@ Perl_gv_init(pTHX_ GV *gv, HV *stash, const char *name, STRLEN len, int multi)
 	LEAVE;
 
 	PL_sub_generation++;
-	CvGV(GvCV(gv)) = (GV*)SvREFCNT_inc(gv);
+	CvGV(GvCV(gv)) = gv;
 	CvFILE(GvCV(gv)) = CopFILE(PL_curcop);
 	CvSTASH(GvCV(gv)) = PL_curstash;
 #ifdef USE_THREADS
@@ -412,7 +418,7 @@ Perl_gv_autoload4(pTHX_ HV *stash, const char *name, STRLEN len, I32 method)
 	return Nullgv;
     cv = GvCV(gv);
 
-    if (!CvROOT(cv))
+    if (!(CvROOT(cv) || CvXSUB(cv)))
 	return Nullgv;
 
     /*
@@ -424,6 +430,20 @@ Perl_gv_autoload4(pTHX_ HV *stash, const char *name, STRLEN len, I32 method)
 	  "Use of inherited AUTOLOAD for non-method %s::%.*s() is deprecated",
 	     HvNAME(stash), (int)len, name);
 
+#ifndef USE_THREADS
+    if (CvXSUB(cv)) {
+        /* rather than lookup/init $AUTOLOAD here
+         * only to have the XSUB do another lookup for $AUTOLOAD
+         * and split that value on the last '::',
+         * pass along the same data via some unused fields in the CV
+         */
+        CvSTASH(cv) = stash;
+        SvPVX(cv) = (char *)name; /* cast to loose constness warning */
+        SvCUR(cv) = len;
+        return gv;
+    }
+#endif
+
     /*
      * Given &FOO::AUTOLOAD, set $FOO::AUTOLOAD to desired function name.
      * The subroutine's original name may not be "AUTOLOAD", so we don't
@@ -736,20 +756,21 @@ Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, I32 sv_type)
 	    HV *hv;
 	    I32 i;
 	    if (!PL_psig_ptr) {
-		int sig_num[] = { SIG_NUM };
-		New(73, PL_psig_ptr, sizeof(sig_num)/sizeof(*sig_num), SV*);
-		New(73, PL_psig_name, sizeof(sig_num)/sizeof(*sig_num), SV*);
+		Newz(73, PL_psig_ptr,  SIG_SIZE, SV*);
+		Newz(73, PL_psig_name, SIG_SIZE, SV*);
+		Newz(73, PL_psig_pend, SIG_SIZE, int);
 	    }
 	    GvMULTI_on(gv);
 	    hv = GvHVn(gv);
 	    hv_magic(hv, Nullgv, 'S');
-	    for (i = 1; PL_sig_name[i]; i++) {
+	    for (i = 1; i < SIG_SIZE; i++) {
 	    	SV ** init;
 	    	init = hv_fetch(hv, PL_sig_name[i], strlen(PL_sig_name[i]), 1);
 	    	if (init)
 		    sv_setsv(*init, &PL_sv_undef);
 	    	PL_psig_ptr[i] = 0;
 	    	PL_psig_name[i] = 0;
+	    	PL_psig_pend[i] = 0;
 	    }
 	}
 	break;
@@ -1141,6 +1162,23 @@ register GV *gv;
 }
 #endif			/* Microport 2.4 hack */
 
+int
+Perl_magic_freeovrld(pTHX_ SV *sv, MAGIC *mg)
+{
+    AMT *amtp = (AMT*)mg->mg_ptr;
+    if (amtp && AMT_AMAGIC(amtp)) {
+	int i;
+	for (i = 1; i < NofAMmeth; i++) {
+	    CV *cv = amtp->table[i];
+	    if (cv != Nullcv) {
+		SvREFCNT_dec((SV *) cv);
+		amtp->table[i] = Nullcv;
+	    }
+	}
+    }
+ return 0;
+}
+
 /* Updates and caches the CV's */
 
 bool
@@ -1156,18 +1194,11 @@ Perl_Gv_AMupdate(pTHX_ HV *stash)
   if (mg && amtp->was_ok_am == PL_amagic_generation
       && amtp->was_ok_sub == PL_sub_generation)
       return AMT_OVERLOADED(amtp);
-  if (amtp && AMT_AMAGIC(amtp)) {	/* Have table. */
-    int i;
-    for (i=1; i<NofAMmeth; i++) {
-      if (amtp->table[i]) {
-	SvREFCNT_dec(amtp->table[i]);
-      }
-    }
-  }
   sv_unmagic((SV*)stash, 'c');
 
   DEBUG_o( Perl_deb(aTHX_ "Recalcing overload magic in package %s\n",HvNAME(stash)) );
 
+  Zero(&amt,1,AMT);
   amt.was_ok_am = PL_amagic_generation;
   amt.was_ok_sub = PL_sub_generation;
   amt.fallback = AMGfallNO;
@@ -1176,7 +1207,6 @@ Perl_Gv_AMupdate(pTHX_ HV *stash)
   {
     int filled = 0, have_ovl = 0;
     int i, lim = 1;
-    const char *cp;
     SV* sv = NULL;
 
     /* Work with "fallback" key, which we assume to be first in PL_AMG_names */
@@ -1196,7 +1226,7 @@ Perl_Gv_AMupdate(pTHX_ HV *stash)
     for (i = 1; i < lim; i++)
 	amt.table[i] = Nullcv;
     for (; i < NofAMmeth; i++) {
-	char *cooky = PL_AMG_names[i];
+	char *cooky = (char*)PL_AMG_names[i];
 	/* Human-readable form, for debugging: */
 	char *cp = (i >= DESTROY_amg ? cooky : AMG_id2name(i));
 	STRLEN l = strlen(cooky);
@@ -1248,7 +1278,7 @@ Perl_Gv_AMupdate(pTHX_ HV *stash)
     }
   }
   /* Here we have no table: */
- no_table:
+  /* no_table: */
   AMT_AMAGIC_off(&amt);
   sv_magic((SV*)stash, 0, 'c', (char*)&amt, sizeof(AMTS));
   return FALSE;
@@ -1259,9 +1289,12 @@ CV*
 Perl_gv_handler(pTHX_ HV *stash, I32 id)
 {
     dTHR;
-    MAGIC *mg = mg_find((SV*)stash,'c');
+    MAGIC *mg;
     AMT *amtp;
 
+    if (!stash)
+        return Nullcv;
+    mg = mg_find((SV*)stash,'c');
     if (!mg) {
       do_update:
 	Gv_AMupdate(stash);
@@ -1383,6 +1416,7 @@ Perl_amagic_call(pTHX_ SV *left, SV *right, int method, int flags)
 	     lr = 1;
 	   }
 	   break;
+	 case int_amg:
 	 case iter_amg:			/* XXXX Eventually should do to_gv. */
 	     /* FAIL safe */
 	     return NULL;	/* Delegate operation to standard mechanisms. */