Introduced thr->threadsvp and THREADSV() for faster per-thread
[p5sagit/p5-mst-13.2.git] / mg.h
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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
10struct 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
18struct 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
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)