summaryrefslogtreecommitdiff
path: root/contrib/perl5/av.h
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/perl5/av.h')
-rw-r--r--contrib/perl5/av.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/contrib/perl5/av.h b/contrib/perl5/av.h
new file mode 100644
index 000000000000..8de81f42e424
--- /dev/null
+++ b/contrib/perl5/av.h
@@ -0,0 +1,51 @@
+/* av.h
+ *
+ * Copyright (c) 1991-1998, 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.
+ *
+ */
+
+struct xpvav {
+ char* xav_array; /* pointer to first array element */
+ SSize_t xav_fill; /* Index of last element present */
+ SSize_t xav_max; /* Number of elements for which array has space */
+ IV xof_off; /* ptr is incremented by offset */
+ double xnv_nv; /* numeric value, if any */
+ MAGIC* xmg_magic; /* magic for scalar array */
+ HV* xmg_stash; /* class package */
+
+ SV** xav_alloc; /* pointer to malloced string */
+ SV* xav_arylen;
+ U8 xav_flags;
+};
+
+#define AVf_REAL 1 /* free old entries */
+#define AVf_REIFY 2 /* can become real */
+#define AVf_REUSED 4 /* got undeffed--don't turn old memory into SVs now */
+
+#define Nullav Null(AV*)
+
+#define AvARRAY(av) ((SV**)((XPVAV*) SvANY(av))->xav_array)
+#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) ((XPVAV*) SvANY(av))->xav_arylen
+#define AvFLAGS(av) ((XPVAV*) SvANY(av))->xav_flags
+
+#define AvREAL(av) (AvFLAGS(av) & AVf_REAL)
+#define AvREAL_on(av) (AvFLAGS(av) |= AVf_REAL)
+#define AvREAL_off(av) (AvFLAGS(av) &= ~AVf_REAL)
+#define AvREIFY(av) (AvFLAGS(av) & AVf_REIFY)
+#define AvREIFY_on(av) (AvFLAGS(av) |= AVf_REIFY)
+#define AvREIFY_off(av) (AvFLAGS(av) &= ~AVf_REIFY)
+#define AvREUSED(av) (AvFLAGS(av) & AVf_REUSED)
+#define AvREUSED_on(av) (AvFLAGS(av) |= AVf_REUSED)
+#define AvREUSED_off(av) (AvFLAGS(av) &= ~AVf_REUSED)
+
+#define AvREALISH(av) (AvFLAGS(av) & (AVf_REAL|AVf_REIFY))
+
+#define AvFILL(av) ((SvRMAGICAL((SV *) (av))) \
+ ? mg_size((SV *) av) : AvFILLp(av))
+