X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=av.h;h=f8c9d1bdc2429407a645e8b678a9ad737f80a567;hb=6f15df4765b853018c7db3e5cae157305d7c5e12;hp=94cd82bf984e80a0e83e7c58f48322a6cffb9bce;hpb=584307902de552f84517013f42d1db478f4102bd;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/av.h b/av.h
index 94cd82b..f8c9d1b 100644
--- a/av.h
+++ b/av.h
@@ -1,7 +1,7 @@
 /*    av.h
  *
- *    Copyright (C) 1991, 1992, 1993, 1995, 1996, 1997, 1998, 1999,
- *    2000, 2001, 2002, 2005, by Larry Wall and others
+ *    Copyright (C) 1991, 1992, 1993, 1995, 1996, 1997, 1998, 1999, 2000,
+ *    2001, 2002, 2005, 2006, 2007, 2008, by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -9,43 +9,12 @@
  */
 
 struct xpvav {
-    union {
-	NV	xnv_nv;		/* numeric value, if any */
-	HV *	xgv_stash;
-    }		xnv_u;
+    union _xnvu xnv_u;
     SSize_t	xav_fill;       /* Index of last element present */
     SSize_t	xav_max;        /* max index for which array has space */
-    union {
-	IV	xivu_iv;	/* integer value or pv offset */
-	UV	xivu_uv;
-	void *	xivu_p1;
-    }		xiv_u;
-    union {
-	MAGIC*	xmg_magic;	/* linked list of magicalness */
-	HV*	xmg_ourstash;	/* Stash for our (when SvPAD_OUR is true) */
-    } xmg_u;
-    HV*		xmg_stash;	/* class package */
+    _XPVMG_HEAD;
 };
 
-#if 0
-typedef struct xpvav xpvav_allocated;
-#else
-typedef struct {
-    SSize_t	xav_fill;       /* Index of last element present */
-    SSize_t	xav_max;        /* max index for which array has space */
-    union {
-	IV	xivu_iv;	/* integer value or pv offset */
-	UV	xivu_uv;
-	void *	xivu_p1;
-    }		xiv_u;
-    union {
-	MAGIC*	xmg_magic;	/* linked list of magicalness */
-	HV*	xmg_ourstash;	/* Stash for our (when SvPAD_OUR is true) */
-    } xmg_u;
-    HV*		xmg_stash;	/* class package */
-} xpvav_allocated;
-#endif
-
 /* SV**	xav_alloc; */
 #define xav_alloc xiv_u.xivu_p1
 /* SV*	xav_arylen; */
@@ -74,6 +43,8 @@ typedef struct {
 =for apidoc AmU||Nullav
 Null AV pointer.
 
+(deprecated - use C<(AV *)NULL> instead)
+
 =head1 Array Manipulation Functions
 
 =for apidoc Am|int|AvFILL|AV* av
@@ -82,13 +53,15 @@ Same as C<av_len()>.  Deprecated, use C<av_len()> instead.
 =cut
 */
 
-#define Nullav Null(AV*)
+#ifndef PERL_CORE
+#  define Nullav Null(AV*)
+#endif
 
 #define AvARRAY(av)	((av)->sv_u.svu_array)
 #define AvALLOC(av)	(*((SV***)&((XPVAV*)  SvANY(av))->xav_alloc))
 #define AvMAX(av)	((XPVAV*)  SvANY(av))->xav_max
 #define AvFILLp(av)	((XPVAV*)  SvANY(av))->xav_fill
-#define AvARYLEN(av)	(*Perl_av_arylen_p(aTHX_ (AV*)av))
+#define AvARYLEN(av)	(*Perl_av_arylen_p(aTHX_ MUTABLE_AV(av)))
 
 #define AvREAL(av)	(SvFLAGS(av) & SVpav_REAL)
 #define AvREAL_on(av)	(SvFLAGS(av) |= SVpav_REAL)
@@ -101,12 +74,22 @@ Same as C<av_len()>.  Deprecated, use C<av_len()> instead.
 
 #define AvREALISH(av)	(SvFLAGS(av) & (SVpav_REAL|SVpav_REIFY))
                                           
-#define AvFILL(av)	((SvRMAGICAL((SV *) (av))) \
-			  ? mg_size((SV *) av) : AvFILLp(av))
+#define AvFILL(av)	((SvRMAGICAL((const SV *) (av))) \
+			 ? mg_size(MUTABLE_SV(av)) : AvFILLp(av))
 
 #define NEGATIVE_INDICES_VAR "NEGATIVE_INDICES"
 
 /*
+=for apidoc newAV
+
+Creates a new AV.  The reference count is set to 1.
+
+=cut
+*/
+
+#define newAV()	MUTABLE_AV(newSV_type(SVt_PVAV))
+
+/*
  * Local variables:
  * c-indentation-style: bsd
  * c-basic-offset: 4