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- /* 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.
- *
- */
-
- #ifdef STRUCT_MGVTBL_DEFINITION
- STRUCT_MGVTBL_DEFINITION;
- #else
- struct mgvtbl {
- int (CPERLscope(*svt_get)) _((SV *sv, MAGIC* mg));
- int (CPERLscope(*svt_set)) _((SV *sv, MAGIC* mg));
- U32 (CPERLscope(*svt_len)) _((SV *sv, MAGIC* mg));
- int (CPERLscope(*svt_clear)) _((SV *sv, MAGIC* mg));
- int (CPERLscope(*svt_free)) _((SV *sv, MAGIC* mg));
- };
- #endif
-
- 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)
-