X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/cb50f42d44feb5486b1014e87f10579f0b7cddbf..762c82dbe6c62c316460d460b99a834fe6ad69ea:/mg.h

diff --git a/mg.h b/mg.h
index bbd675b..848f735 100644
--- a/mg.h
+++ b/mg.h
@@ -1,6 +1,7 @@
 /*    mg.h
  *
- *    Copyright (c) 1991-2002, 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.
@@ -11,14 +12,15 @@
 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, int namlen);
-    int		(CPERLscope(*svt_dup))	(pTHX_ MAGIC *mg, CLONE_PARAMS *param);
+    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);
 };
 #endif
 
@@ -28,27 +30,43 @@ struct magic {
     U16		mg_private;
     char	mg_type;
     U8		mg_flags;
+    I32		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_REFCOUNTED 2
-#define MGf_GSKIP      4
-#define MGf_COPY       8
-#define MGf_DUP        16
+#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 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((SV*)((mg)->mg_ptr),lp) :		\
+				 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(MAGIC*))
+#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:
+ */