[p5sagit/p5-mst-13.2.git] / mg.h

/*    mg.h
 *
 *    Copyright (c) 1991-1997, 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 mgvtbl {
    int		(*svt_get)	_((SV *sv, MAGIC* mg));
    int		(*svt_set)	_((SV *sv, MAGIC* mg));
    U32		(*svt_len)	_((SV *sv, MAGIC* mg));
    int		(*svt_clear)	_((SV *sv, MAGIC* mg));
    int		(*svt_free)	_((SV *sv, MAGIC* mg));
};

struct magic {
    MAGIC*	mg_moremagic;
    MGVTBL*	mg_virtual;	/* pointer to magic functions */
    U16		mg_private;
    char	mg_type;
    U8		mg_flags;
    SV*		mg_obj;
    char*	mg_ptr;
    I32		mg_len;
};

#define MGf_TAINTEDDIR 1
#define MGf_REFCOUNTED 2
#define MGf_GSKIP      4

#define MGf_MINMATCH   1

#define MgTAINTEDDIR(mg)	(mg->mg_flags & MGf_TAINTEDDIR)
#define MgTAINTEDDIR_on(mg)	(mg->mg_flags |= MGf_TAINTEDDIR)
#define MgTAINTEDDIR_off(mg)	(mg->mg_flags &= ~MGf_TAINTEDDIR)

#define MgPV(mg,lp)		(((lp = (mg)->mg_len) == HEf_SVKEY) ?   \
				 SvPV((SV*)((mg)->mg_ptr),lp) :		\
				 (mg)->mg_ptr)
Commit	Line	Data
a0d0e21e	1	/* mg.h
79072805	2	*
9607fc9c	3	* Copyright (c) 1991-1997, Larry Wall
79072805	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	*
79072805	8	*/
	9
	10	struct mgvtbl {
a0d0e21e	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));
79072805	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;
463ee0b2	26	I32 mg_len;
79072805	27	};
8990e307	28
8990e307	29	#define MGf_TAINTEDDIR 1
85e6fe83	30	#define MGf_REFCOUNTED 2
a0d0e21e	31	#define MGf_GSKIP 4
748a9306	32
	33	#define MGf_MINMATCH 1
	34
1e422769	35	#define MgTAINTEDDIR(mg) (mg->mg_flags & MGf_TAINTEDDIR)
	36	#define MgTAINTEDDIR_on(mg) (mg->mg_flags \|= MGf_TAINTEDDIR)
	37	#define MgTAINTEDDIR_off(mg) (mg->mg_flags &= ~MGf_TAINTEDDIR)
99069129	38
5aabfad6	39	#define MgPV(mg,lp) (((lp = (mg)->mg_len) == HEf_SVKEY) ? \
	40	SvPV((SV*)((mg)->mg_ptr),lp) : \
	41	(mg)->mg_ptr)