X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=av.h;h=beed09d26d15f2c99cbc30533d5a1563ab516e68;hb=17aa7f3df185d8eaf8e0b1dad106f97ac3c6da48;hp=14e87658a6966379af37735d958c7f6d3946eacb;hpb=d18c61170a30691556a1da7413e13241a92f4e0a;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/av.h b/av.h
index 14e8765..beed09d 100644
--- a/av.h
+++ b/av.h
@@ -1,6 +1,6 @@
 /*    av.h
  *
- *    Copyright (c) 1991-1999, Larry Wall
+ *    Copyright (c) 1991-2002, Larry Wall
  *
  *    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 +16,7 @@ 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 +32,8 @@ 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.
@@ -45,6 +45,20 @@ struct xpvav {
 /* XXX this is not used anywhere */
 #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.
+
+=cut
+*/
+
 #define Nullav Null(AV*)
 
 #define AvARRAY(av)	((SV**)((XPVAV*)  SvANY(av))->xav_array)
@@ -69,3 +83,4 @@ struct xpvav {
 #define AvFILL(av)	((SvRMAGICAL((SV *) (av))) \
 			  ? mg_size((SV *) av) : AvFILLp(av))
 
+#define NEGATIVE_INDICES_VAR "NEGATIVE_INDICES"