X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/463ee0b2acbd047c27e8b5393cdd8398881824c5..94a0894418670e8bdd2c1d63e76a77225365995d:/mg.h

diff --git a/mg.h b/mg.h
index 1236ea8..becef4a 100644
--- a/mg.h
+++ b/mg.h
@@ -1,19 +1,23 @@
-/* $RCSfile: arg.h,v $$Revision: 4.1 $$Date: 92/08/07 17:18:16 $
+/*    mg.h
  *
- *    Copyright (c) 1993, Larry Wall
+ *    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.
  *
- * $Log:	arg.h,v $
  */
 
 struct mgvtbl {
-    int		(*svt_get)	P((SV *sv, MAGIC* mg));
-    int		(*svt_set)	P((SV *sv, MAGIC* mg));
-    U32		(*svt_len)	P((SV *sv, MAGIC* mg));
-    int		(*svt_clear)	P((SV *sv, MAGIC* mg));
-    int		(*svt_free)	P((SV *sv, MAGIC* mg));
+    int		(*svt_get)	(pTHX_ SV *sv, MAGIC* mg);
+    int		(*svt_set)	(pTHX_ SV *sv, MAGIC* mg);
+    U32		(*svt_len)	(pTHX_ SV *sv, MAGIC* mg);
+    int		(*svt_clear)(pTHX_ SV *sv, MAGIC* mg);
+    int		(*svt_free)	(pTHX_ SV *sv, MAGIC* mg);
+    int		(*svt_copy)	(pTHX_ SV *sv, MAGIC* mg,
+    					SV *nsv, const char *name, I32 namlen);
+    int		(*svt_dup)	(pTHX_ MAGIC *mg, CLONE_PARAMS *param);
+    int		(*svt_local)(pTHX_ SV *nsv, MAGIC *mg);
 };
 
 struct magic {
@@ -22,7 +26,61 @@ struct magic {
     U16		mg_private;
     char	mg_type;
     U8		mg_flags;
+    SSize_t	mg_len;
     SV*		mg_obj;
     char*	mg_ptr;
-    I32		mg_len;
 };
+
+#define MGf_TAINTEDDIR 1        /* PERL_MAGIC_envelem only */
+#define MGf_MINMATCH   1        /* PERL_MAGIC_regex_global only */
+#define MGf_REQUIRE_GV 1        /* PERL_MAGIC_checkcall only */
+#define MGf_REFCOUNTED 2
+#define MGf_GSKIP      4	/* skip further GETs until after next SET */
+#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 MGf_BYTES   0x40        /* PERL_MAGIC_regex_global only */
+#define MGf_PERSIST    0x80     /* PERL_MAGIC_lvref only */
+
+#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)))
+
+#if defined(PERL_CORE) || defined(PERL_EXT)
+# define MgBYTEPOS(mg,sv,pv,len) S_MgBYTEPOS(aTHX_ mg,sv,pv,len)
+/* assumes get-magic and stringification have already occurred */
+# define MgBYTEPOS_set(mg,sv,pv,off) (			 \
+    assert_((mg)->mg_type == PERL_MAGIC_regex_global)	  \
+    SvPOK(sv) && (!SvGMAGICAL(sv) || sv_only_taint_gmagic(sv))  \
+	? (mg)->mg_len = (off), (mg)->mg_flags |= MGf_BYTES \
+	: ((mg)->mg_len = DO_UTF8(sv)			     \
+	    ? (SSize_t)utf8_length((U8 *)(pv), (U8 *)(pv)+(off)) \
+	    : (SSize_t)(off),					  \
+	   (mg)->mg_flags &= ~MGf_BYTES))
+#endif
+
+#define whichsig(pv) whichsig_pv(pv)
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 et:
+ */