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/* mg.h |
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* |
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* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, |
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* 2000, 2002, by Larry Wall and others |
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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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#ifdef STRUCT_MGVTBL_DEFINITION |
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STRUCT_MGVTBL_DEFINITION; |
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#else |
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struct mgvtbl { |
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int (CPERLscope(*svt_get)) (pTHX_ SV *sv, MAGIC* mg); |
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int (CPERLscope(*svt_set)) (pTHX_ SV *sv, MAGIC* mg); |
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U32 (CPERLscope(*svt_len)) (pTHX_ SV *sv, MAGIC* mg); |
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int (CPERLscope(*svt_clear))(pTHX_ SV *sv, MAGIC* mg); |
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int (CPERLscope(*svt_free)) (pTHX_ SV *sv, MAGIC* mg); |
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int (CPERLscope(*svt_copy)) (pTHX_ SV *sv, MAGIC* mg, |
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SV *nsv, const char *name, int namlen); |
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int (CPERLscope(*svt_dup)) (pTHX_ MAGIC *mg, CLONE_PARAMS *param); |
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}; |
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#endif |
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struct magic { |
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MAGIC* mg_moremagic; |
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MGVTBL* mg_virtual; /* pointer to magic functions */ |
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U16 mg_private; |
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char mg_type; |
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U8 mg_flags; |
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SV* mg_obj; |
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char* mg_ptr; |
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I32 mg_len; |
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}; |
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#define MGf_TAINTEDDIR 1 /* PERL_MAGIC_envelem only */ |
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#define MGf_MINMATCH 1 /* PERL_MAGIC_regex_global only */ |
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#define MGf_REFCOUNTED 2 |
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#define MGf_GSKIP 4 |
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#define MGf_COPY 8 |
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#define MGf_DUP 16 |
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#define MgTAINTEDDIR(mg) (mg->mg_flags & MGf_TAINTEDDIR) |
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#define MgTAINTEDDIR_on(mg) (mg->mg_flags |= MGf_TAINTEDDIR) |
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#define MgTAINTEDDIR_off(mg) (mg->mg_flags &= ~MGf_TAINTEDDIR) |
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#define MgPV(mg,lp) ((((int)(lp = (mg)->mg_len)) == HEf_SVKEY) ? \ |
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SvPV((SV*)((mg)->mg_ptr),lp) : \ |
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(mg)->mg_ptr) |
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#define SvTIED_mg(sv,how) \ |
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(SvRMAGICAL(sv) ? mg_find((sv),(how)) : Null(MAGIC*)) |
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#define SvTIED_obj(sv,mg) \ |
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((mg)->mg_obj ? (mg)->mg_obj : sv_2mortal(newRV(sv))) |
