X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=av.h;h=f8c9d1bdc2429407a645e8b678a9ad737f80a567;hb=793019c7a82cb5cc23f2539a00b7092ee19100a5;hp=486bc5cce38c44051de23af32fc9e5ffc5d80db7;hpb=e4305a6302fd35f8f8c1a7e612369beaaea58a4a;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/av.h b/av.h
index 486bc5c..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, 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.
@@ -9,34 +9,22 @@
  */
 
 struct xpvav {
+    union _xnvu xnv_u;
     SSize_t	xav_fill;       /* Index of last element present */
     SSize_t	xav_max;        /* max index for which array has space */
-    IV		this_space;
-    union {
-	NV	xnvu_nv;
-	struct {
-	    void *xnv_p1;	/* pointer to beginning of C array of SVs */
-	    union {
-		void *xnv_p2;
-		IV xnv_i2;
-	    }	xnv_u2;
-	}	xnv_s;
-    }		xnv_u;
-    MAGIC*	xmg_magic;	/* magic for scalar array */
-    HV*		xmg_stash;	/* class package */
+    _XPVMG_HEAD;
 };
 
 /* SV**	xav_alloc; */
-#define xav_alloc xnv_u.xnv_s.xnv_p1
+#define xav_alloc xiv_u.xivu_p1
 /* SV*	xav_arylen; */
-#define xav_arylen xnv_u.xnv_s.xnv_u2.xnv_p2
 
-/* AVf_REAL is set for all AVs whose xav_array contents are refcounted.
+/* SVpav_REAL is set for all AVs whose xav_array contents are refcounted.
  * Some things like "@_" and the scratchpad list do not set this, to
  * indicate that they are cheating (for efficiency) by not refcounting
  * the AV's contents.
  * 
- * AVf_REIFY is only meaningful on such "fake" AVs (i.e. where AVf_REAL
+ * SVpav_REIFY is only meaningful on such "fake" AVs (i.e. where SVpav_REAL
  * is not set).  It indicates that the fake AV is capable of becoming
  * real if the array needs to be modified in some way.  Functions that
  * modify fake AVs check both flags to call av_reify() as appropriate.
@@ -55,6 +43,8 @@ struct xpvav {
 =for apidoc AmU||Nullav
 Null AV pointer.
 
+(deprecated - use C<(AV *)NULL> instead)
+
 =head1 Array Manipulation Functions
 
 =for apidoc Am|int|AvFILL|AV* av
@@ -63,13 +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.sv_array)
+#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)	(*((SV**)&((XPVAV*)  SvANY(av))->xav_arylen))
+#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)
@@ -82,7 +74,27 @@ 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
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */