1998-09-09 07:00:04 +00:00
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/* av.h
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*
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1999-05-02 14:33:17 +00:00
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* Copyright (c) 1991-1999, Larry Wall
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1998-09-09 07:00:04 +00:00
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*
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* You may distribute under the terms of either the GNU General Public
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* License or the Artistic License, as specified in the README file.
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*
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*/
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struct xpvav {
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char* xav_array; /* pointer to first array element */
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SSize_t xav_fill; /* Index of last element present */
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SSize_t xav_max; /* Number of elements for which array has space */
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IV xof_off; /* ptr is incremented by offset */
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double xnv_nv; /* numeric value, if any */
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MAGIC* xmg_magic; /* magic for scalar array */
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HV* xmg_stash; /* class package */
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SV** xav_alloc; /* pointer to malloced string */
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SV* xav_arylen;
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U8 xav_flags;
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};
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#define AVf_REAL 1 /* free old entries */
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#define AVf_REIFY 2 /* can become real */
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#define AVf_REUSED 4 /* got undeffed--don't turn old memory into SVs now */
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#define Nullav Null(AV*)
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#define AvARRAY(av) ((SV**)((XPVAV*) SvANY(av))->xav_array)
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#define AvALLOC(av) ((XPVAV*) SvANY(av))->xav_alloc
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#define AvMAX(av) ((XPVAV*) SvANY(av))->xav_max
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#define AvFILLp(av) ((XPVAV*) SvANY(av))->xav_fill
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#define AvARYLEN(av) ((XPVAV*) SvANY(av))->xav_arylen
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#define AvFLAGS(av) ((XPVAV*) SvANY(av))->xav_flags
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#define AvREAL(av) (AvFLAGS(av) & AVf_REAL)
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#define AvREAL_on(av) (AvFLAGS(av) |= AVf_REAL)
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#define AvREAL_off(av) (AvFLAGS(av) &= ~AVf_REAL)
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#define AvREIFY(av) (AvFLAGS(av) & AVf_REIFY)
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#define AvREIFY_on(av) (AvFLAGS(av) |= AVf_REIFY)
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#define AvREIFY_off(av) (AvFLAGS(av) &= ~AVf_REIFY)
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#define AvREUSED(av) (AvFLAGS(av) & AVf_REUSED)
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#define AvREUSED_on(av) (AvFLAGS(av) |= AVf_REUSED)
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#define AvREUSED_off(av) (AvFLAGS(av) &= ~AVf_REUSED)
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#define AvREALISH(av) (AvFLAGS(av) & (AVf_REAL|AVf_REIFY))
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#define AvFILL(av) ((SvRMAGICAL((SV *) (av))) \
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? mg_size((SV *) av) : AvFILLp(av))
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