3 * Copyright (c) 1991-1998, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 char* xav_array; /* pointer to first array element */
12 SSize_t xav_fill; /* Index of last element present */
13 SSize_t xav_max; /* Number of elements for which array has space */
14 IV xof_off; /* ptr is incremented by offset */
15 double xnv_nv; /* numeric value, if any */
16 MAGIC* xmg_magic; /* magic for scalar array */
17 HV* xmg_stash; /* class package */
19 SV** xav_alloc; /* pointer to malloced string */
24 #define AVf_REAL 1 /* free old entries */
25 #define AVf_REIFY 2 /* can become real */
26 #define AVf_REUSED 4 /* got undeffed--don't turn old memory into SVs now */
28 #define Nullav Null(AV*)
30 #define AvARRAY(av) ((SV**)((XPVAV*) SvANY(av))->xav_array)
31 #define AvALLOC(av) ((XPVAV*) SvANY(av))->xav_alloc
32 #define AvMAX(av) ((XPVAV*) SvANY(av))->xav_max
33 #define AvFILLp(av) ((XPVAV*) SvANY(av))->xav_fill
34 #define AvARYLEN(av) ((XPVAV*) SvANY(av))->xav_arylen
35 #define AvFLAGS(av) ((XPVAV*) SvANY(av))->xav_flags
37 #define AvREAL(av) (AvFLAGS(av) & AVf_REAL)
38 #define AvREAL_on(av) (AvFLAGS(av) |= AVf_REAL)
39 #define AvREAL_off(av) (AvFLAGS(av) &= ~AVf_REAL)
40 #define AvREIFY(av) (AvFLAGS(av) & AVf_REIFY)
41 #define AvREIFY_on(av) (AvFLAGS(av) |= AVf_REIFY)
42 #define AvREIFY_off(av) (AvFLAGS(av) &= ~AVf_REIFY)
43 #define AvREUSED(av) (AvFLAGS(av) & AVf_REUSED)
44 #define AvREUSED_on(av) (AvFLAGS(av) |= AVf_REUSED)
45 #define AvREUSED_off(av) (AvFLAGS(av) &= ~AVf_REUSED)
47 #define AvREALISH(av) (AvFLAGS(av) & (AVf_REAL|AVf_REIFY))
49 #define AvFILL(av) ((SvRMAGICAL((SV *) (av))) \
50 ? mg_size((SV *) av) : AvFILLp(av))