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Commit	Line	Data
	1	/* mg.h
	2	*
	3	* Copyright (c) 1991-1994, Larry Wall
	4	*
	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.
	7	*
	8	*/
	9
	10	struct mgvtbl {
	11	int (svt_get) _((SV sv, MAGIC* mg));
	12	int (svt_set) _((SV sv, MAGIC* mg));
	13	U32 (svt_len) _((SV sv, MAGIC* mg));
	14	int (svt_clear) _((SV sv, MAGIC* mg));
	15	int (svt_free) _((SV sv, MAGIC* mg));
	16	};
	17
	18	struct magic {
	19	MAGIC* mg_moremagic;
	20	MGVTBL* mg_virtual; /* pointer to magic functions */
	21	U16 mg_private;
	22	char mg_type;
	23	U8 mg_flags;
	24	SV* mg_obj;
	25	char* mg_ptr;
	26	I32 mg_len;
	27	};
	28
	29	#define MGf_TAINTEDDIR 1
	30	#define MGf_REFCOUNTED 2
	31	#define MGf_GSKIP 4
	32
	33	#define MGf_MINMATCH 1
	34
	35	#define MgTAINTEDDIR(mg) (mg->mg_flags & MGf_TAINTEDDIR)
	36	#define MgTAINTEDDIR_on(mg) (mg->mg_flags \|= MGf_TAINTEDDIR)
	37
	38	#define MgPV(mg) ((mg)->mg_len == HEf_SVKEY) ? \
	39	SvPV((SV*)((mg)->mg_ptr),na) : \
	40	(mg)->mg_ptr