bisect-runner.pl now patches several build-busting-bugs between 5.004 & 5.005

[perl5.git] / av.h

diff --git a/av.h b/av.h
index f9af3ce..8d18d25 100644 (file)
--- a/av.h
+++ b/av.h
@@ -13,11 +13,9 @@ struct xpvav {
     union _xmgu        xmg_u;
     SSize_t    xav_fill;       /* Index of last element present */
     SSize_t    xav_max;        /* max index for which array has space */
-    union _xivu xiv_u;
+    SV**       xav_alloc;      /* pointer to beginning of C array of SVs */
 };
 
-/* SV**        xav_alloc; */
-#define xav_alloc xiv_u.xivu_p1
 /* SV* xav_arylen; */
 
 /* SVpav_REAL is set for all AVs whose xav_array contents are refcounted.
@@ -30,7 +28,7 @@ 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 and @DB::args have neither flag set. (Thus,
+ * Note that the Perl stack has neither flag set. (Thus,
  * items that go on the stack are never refcounted.)
  *
  * These internal details are subject to change any time.  AV
@@ -59,7 +57,7 @@ Same as C<av_len()>.  Deprecated, use C<av_len()> instead.
 #endif
 
 #define AvARRAY(av)    ((av)->sv_u.svu_array)
-#define AvALLOC(av)    (*((SV***)&((XPVAV*)  SvANY(av))->xav_alloc))
+#define AvALLOC(av)    ((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_ MUTABLE_AV(av)))
@@ -85,6 +83,8 @@ Same as C<av_len()>.  Deprecated, use C<av_len()> instead.
 
 Creates a new AV.  The reference count is set to 1.
 
+Perl equivalent: C<my @array;>.
+
 =cut
 */