X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=av.h;h=d1771223cb5f213df0d8264316284715965637af;hb=554ad1fcb1c9a72f13e2c15496f1fa2ad5b5e63c;hp=b56917fa2c63708103fa30da1a101a4703836c8a;hpb=954c1994944eafa74aaac1bab94e820b6e447da9;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/av.h b/av.h
index b56917f..d177122 100644
--- a/av.h
+++ b/av.h
@@ -1,6 +1,7 @@
 /*    av.h
  *
- *    Copyright (c) 1991-1999, Larry Wall
+ *    Copyright (C) 1991, 1992, 1993, 1995, 1996, 1997, 1998, 1999,
+ *    2000, 2001, 2002, 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.
@@ -16,7 +17,7 @@ struct xpvav {
     MAGIC*	xmg_magic;	/* magic for scalar array */
     HV*		xmg_stash;	/* class package */
 
-    SV**	xav_alloc;	/* pointer to malloced string */
+    SV**	xav_alloc;	/* pointer to beginning of C array of SVs */
     SV*		xav_arylen;
     U8		xav_flags;
 };
@@ -32,8 +33,8 @@ struct xpvav {
  * 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.
  *
- * Note that the Perl stack has neither flag set. (Thus, items that go
- * on the stack are never refcounted.)
+ * Note that the Perl stack and @DB::args have neither flag set. (Thus,
+ * items that go on the stack are never refcounted.)
  *
  * These internal details are subject to change any time.  AV
  * manipulations external to perl should not care about any of this.
@@ -46,9 +47,13 @@ struct xpvav {
 #define AVf_REUSED 4	/* got undeffed--don't turn old memory into SVs now */
 
 /*
+=head1 Handy Values
+
 =for apidoc AmU||Nullav
 Null AV pointer.
 
+=head1 Array Manipulation Functions
+
 =for apidoc Am|int|AvFILL|AV* av
 Same as C<av_len()>.  Deprecated, use C<av_len()> instead.
 
@@ -79,3 +84,4 @@ Same as C<av_len()>.  Deprecated, use C<av_len()> instead.
 #define AvFILL(av)	((SvRMAGICAL((SV *) (av))) \
 			  ? mg_size((SV *) av) : AvFILLp(av))
 
+#define NEGATIVE_INDICES_VAR "NEGATIVE_INDICES"