3 * Copyright (c) 1991-2002, Larry Wall
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.
10 #ifdef STRUCT_MGVTBL_DEFINITION
11 STRUCT_MGVTBL_DEFINITION;
14 int (CPERLscope(*svt_get)) (pTHX_ SV *sv, MAGIC* mg);
15 int (CPERLscope(*svt_set)) (pTHX_ SV *sv, MAGIC* mg);
16 U32 (CPERLscope(*svt_len)) (pTHX_ SV *sv, MAGIC* mg);
17 int (CPERLscope(*svt_clear))(pTHX_ SV *sv, MAGIC* mg);
18 int (CPERLscope(*svt_free)) (pTHX_ SV *sv, MAGIC* mg);
19 int (CPERLscope(*svt_copy)) (pTHX_ SV *sv, MAGIC* mg,
20 SV *nsv, const char *name, int namlen);
21 int (CPERLscope(*svt_dup)) (pTHX_ MAGIC *mg, CLONE_PARAMS *param);
27 MGVTBL* mg_virtual; /* pointer to magic functions */
36 #define MGf_TAINTEDDIR 1 /* PERL_MAGIC_envelem only */
37 #define MGf_MINMATCH 1 /* PERL_MAGIC_regex_global only */
38 #define MGf_REFCOUNTED 2
43 #define MgTAINTEDDIR(mg) (mg->mg_flags & MGf_TAINTEDDIR)
44 #define MgTAINTEDDIR_on(mg) (mg->mg_flags |= MGf_TAINTEDDIR)
45 #define MgTAINTEDDIR_off(mg) (mg->mg_flags &= ~MGf_TAINTEDDIR)
47 #define MgPV(mg,lp) ((((int)(lp = (mg)->mg_len)) == HEf_SVKEY) ? \
48 SvPV((SV*)((mg)->mg_ptr),lp) : \
51 #define SvTIED_mg(sv,how) \
52 (SvRMAGICAL(sv) ? mg_find((sv),(how)) : Null(MAGIC*))
53 #define SvTIED_obj(sv,mg) \
54 ((mg)->mg_obj ? (mg)->mg_obj : sv_2mortal(newRV(sv)))