From b1135e3d40203a90e9ea126ad842db6295e76709 Mon Sep 17 00:00:00 2001
From: Nicholas Clark <nick@ccl4.org>
Date: Fri, 6 May 2005 18:38:45 +0000
Subject: [PATCH] Change types of PL_he_arenaroot and PL_pte_arenaroot to avoid
 casting.

p4raw-id: //depot/perl@24408
---
 hv.c       |  8 +++-----
 intrpvar.h |  4 ++--
 sv.c       | 26 ++++++++++++++++----------
 3 files changed, 21 insertions(+), 17 deletions(-)

diff --git a/hv.c b/hv.c
index 2f2c7f3..9ab43b8 100644
--- a/hv.c
+++ b/hv.c
@@ -60,12 +60,10 @@ S_more_he(pTHX)
 {
     register HE* he;
     register HE* heend;
-    XPV *ptr;
-    New(54, ptr, PERL_ARENA_SIZE/sizeof(XPV), XPV);
-    ptr->xpv_pv = (char*)PL_he_arenaroot;
-    PL_he_arenaroot = ptr;
+    New(54, he, PERL_ARENA_SIZE/sizeof(HE), HE);
+    HeNEXT(he) = PL_he_arenaroot;
+    PL_he_arenaroot = he;
 
-    he = (HE*)ptr;
     heend = &he[PERL_ARENA_SIZE / sizeof(HE) - 1];
     PL_he_root = ++he;
     while (he < heend) {
diff --git a/intrpvar.h b/intrpvar.h
index 2125acf..9688541 100644
--- a/intrpvar.h
+++ b/intrpvar.h
@@ -437,8 +437,8 @@ PERLVAR(Ixpvhv_arenaroot,XPVHV*)	/* list of allocated xpvhv areas */
 PERLVAR(Ixpvmg_arenaroot,XPVMG*)	/* list of allocated xpvmg areas */
 PERLVAR(Ixpvlv_arenaroot,XPVLV*)	/* list of allocated xpvlv areas */
 PERLVAR(Ixpvbm_arenaroot,XPVBM*)	/* list of allocated xpvbm areas */
-PERLVAR(Ihe_arenaroot,	XPV*)		/* list of allocated he areas */
-PERLVAR(Ipte_arenaroot,	XPV*)		/* list of allocated he areas */
+PERLVAR(Ihe_arenaroot,	HE *)		/* list of allocated he areas */
+PERLVAR(Ipte_arenaroot,	struct ptr_tbl_ent *) /* list of allocated he areas */
 
      /* 5.6.0 stopped here */
 
diff --git a/sv.c b/sv.c
index f1cffd0..64eea01 100644
--- a/sv.c
+++ b/sv.c
@@ -614,16 +614,24 @@ Perl_sv_free_arenas(pTHX)
     PL_xpvbm_arenaroot = 0;
     PL_xpvbm_root = 0;
 
-    for (arena = (XPV*)PL_he_arenaroot; arena; arena = arenanext) {
-	arenanext = (XPV*)arena->xpv_pv;
-	Safefree(arena);
+    {
+	HE *he;
+	HE *he_next;
+	for (he = PL_he_arenaroot; he; he = he_next) {
+	    he_next = HeNEXT(he);
+	    Safefree(he);
+	}
     }
     PL_he_arenaroot = 0;
     PL_he_root = 0;
 
-    for (arena = (XPV*)PL_pte_arenaroot; arena; arena = arenanext) {
-	arenanext = (XPV*)arena->xpv_pv;
-	Safefree(arena);
+    {
+	struct ptr_tbl_ent *pte;
+	struct ptr_tbl_ent *pte_next;
+	for (pte = PL_pte_arenaroot; pte; pte = pte_next) {
+	    pte_next = pte->next;
+	    Safefree(pte);
+	}
     }
     PL_pte_arenaroot = 0;
     PL_pte_root = 0;
@@ -10426,12 +10434,10 @@ S_more_pte(pTHX)
 {
     register struct ptr_tbl_ent* pte;
     register struct ptr_tbl_ent* pteend;
-    XPV *ptr;
-    New(54, ptr, PERL_ARENA_SIZE/sizeof(XPV), XPV);
-    ptr->xpv_pv = (char*)PL_pte_arenaroot;
+    New(0, ptr, PERL_ARENA_SIZE/sizeof(struct ptr_tbl_ent), struct ptr_tbl_ent);
+    ptr->next = PL_pte_arenaroot;
     PL_pte_arenaroot = ptr;
 
-    pte = (struct ptr_tbl_ent*)ptr;
     pteend = &pte[PERL_ARENA_SIZE / sizeof(struct ptr_tbl_ent) - 1];
     PL_pte_root = ++pte;
     while (pte < pteend) {
-- 
2.7.4