X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/a0f41f2518305ae5cc490f6175f9de0f74d9daa7..3ec35e0f92217816d70cf483b3b012476ca9b9d7:/av.h

diff --git a/av.h b/av.h
index 566b8e0..8874045 100644
--- a/av.h
+++ b/av.h
@@ -1,60 +1,34 @@
 /*    av.h
  *
  *    Copyright (C) 1991, 1992, 1993, 1995, 1996, 1997, 1998, 1999,
- *    2000, 2001, 2002, 2005, by Larry Wall and others
+ *    2000, 2001, 2002, 2005, 2006, 2007, 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.
  *
  */
 
+#define _XPVAV_ALLOCATED_HEAD						\
+    SSize_t	xav_fill;       /* Index of last element present */	\
+    SSize_t	xav_max         /* max index for which array has space */
+
+#define _XPVAV_HEAD	\
+    union _xnvu xnv_u;	\
+    _XPVAV_ALLOCATED_HEAD
+
 struct xpvav {
-    union {
-	NV	xnv_nv;		/* numeric value, if any */
-	HV *	xgv_stash;
-	struct {
-	    U32	xlow;
-	    U32	xhigh;
-	}	xpad_cop_seq;	/* used by pad.c for cop_sequence */
-	struct {
-	    U32 xbm_previous;	/* how many characters in string before rare? */
-	    U8	xbm_flags;
-	    U8	xbm_rare;	/* rarest character in string */
-	}	xbm_s;		/* fields from PVBM */
-    }		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;
-	I32	xivu_i32;
-	HEK *	xivu_namehek;
-    }		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_HEAD;
+    _XPVMG_HEAD;
 };
 
 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;
-	I32	xivu_i32;
-	HEK *	xivu_namehek;
-    }		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_HEAD;
+    _XPVMG_HEAD;
 } xpvav_allocated;
 
+#undef _XPVAV_ALLOCATED_HEAD
+#undef _XPVAV_HEAD
+
 /* SV**	xav_alloc; */
 #define xav_alloc xiv_u.xivu_p1
 /* SV*	xav_arylen; */
@@ -83,6 +57,8 @@ 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
@@ -91,7 +67,9 @@ 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))
@@ -116,6 +94,16 @@ Same as C<av_len()>.  Deprecated, use C<av_len()> instead.
 #define NEGATIVE_INDICES_VAR "NEGATIVE_INDICES"
 
 /*
+=for apidoc newAV
+
+Creates a new AV.  The reference count is set to 1.
+
+=cut
+*/
+
+#define newAV()	((AV *)newSV_type(SVt_PVAV))
+
+/*
  * Local variables:
  * c-indentation-style: bsd
  * c-basic-offset: 4