Project:
Perl
Code Location:
git://perl5.git.perl.org/perl.gitmaint-5.12
mg.h
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/* mg.h * * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, * 2000, 2002, 2005, 2006, 2007, 2008 by Larry Wall and others * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. * */ #ifdef STRUCT_MGVTBL_DEFINITION STRUCT_MGVTBL_DEFINITION; #else struct mgvtbl { int (CPERLscope(*svt_get)) (pTHX_ SV *sv, MAGIC* mg); int (CPERLscope(*svt_set)) (pTHX_ SV *sv, MAGIC* mg); U32 (CPERLscope(*svt_len)) (pTHX_ SV *sv, MAGIC* mg); int (CPERLscope(*svt_clear))(pTHX_ SV *sv, MAGIC* mg); int (CPERLscope(*svt_free)) (pTHX_ SV *sv, MAGIC* mg); int (CPERLscope(*svt_copy)) (pTHX_ SV *sv, MAGIC* mg, SV *nsv, const char *name, I32 namlen); int (CPERLscope(*svt_dup)) (pTHX_ MAGIC *mg, CLONE_PARAMS *param); int (CPERLscope(*svt_local))(pTHX_ SV *nsv, MAGIC *mg); }; #endif struct magic { MAGIC* mg_moremagic; MGVTBL* mg_virtual; /* pointer to magic functions */ U16 mg_private; char mg_type; U8 mg_flags; I32 mg_len; SV* mg_obj; char* mg_ptr; }; #define MGf_TAINTEDDIR 1 /* PERL_MAGIC_envelem only */ #define MGf_MINMATCH 1 /* PERL_MAGIC_regex_global only */ #define MGf_REFCOUNTED 2 #define MGf_GSKIP 4 #define MGf_COPY 8 /* has an svt_copy MGVTBL entry */ #define MGf_DUP 0x10 /* has an svt_dup MGVTBL entry */ #define MGf_LOCAL 0x20 /* has an svt_local MGVTBL entry */ #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) ((((int)(lp = (mg)->mg_len)) == HEf_SVKEY) ? \ SvPV(MUTABLE_SV((mg)->mg_ptr),lp) : \ (mg)->mg_ptr) #define MgPV_const(mg,lp) ((((int)(lp = (mg)->mg_len)) == HEf_SVKEY) ? \ SvPV_const(MUTABLE_SV((mg)->mg_ptr),lp) : \ (const char*)(mg)->mg_ptr) #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ SvPV_nolen_const(MUTABLE_SV((mg)->mg_ptr)) : \ (const char*)(mg)->mg_ptr) #define SvTIED_mg(sv,how) (SvRMAGICAL(sv) ? mg_find((sv),(how)) : NULL) #define SvTIED_obj(sv,mg) \ ((mg)->mg_obj ? (mg)->mg_obj : sv_2mortal(newRV(sv))) /* * Local variables: * c-indentation-style: bsd * c-basic-offset: 4 * indent-tabs-mode: t * End: * * ex: set ts=8 sts=4 sw=4 noet: */