overdue perlhack.pod corrections for RT

[perl5.git] / mg.h

diff --git a/mg.h b/mg.h
index 16efdb5..bbd675b 100644 (file)
--- a/mg.h
+++ b/mg.h
@@ -1,6 +1,6 @@
 /*    mg.h
  *
- *    Copyright (c) 1991-1997, Larry Wall
+ *    Copyright (c) 1991-2002, 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.
@@ -11,11 +11,14 @@
 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));
+    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);
 };
 #endif
 
@@ -30,16 +33,22 @@ struct magic {
     I32                mg_len;
 };
 
-#define MGf_TAINTEDDIR 1
+#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_MINMATCH   1
+#define MGf_COPY       8
+#define MGf_DUP        16
 
 #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) ?   \
+#define MgPV(mg,lp)            ((((int)(lp = (mg)->mg_len)) == HEf_SVKEY) ?   \
                                 SvPV((SV*)((mg)->mg_ptr),lp) :         \
                                 (mg)->mg_ptr)
+
+#define SvTIED_mg(sv,how) \
+    (SvRMAGICAL(sv) ? mg_find((sv),(how)) : Null(MAGIC*))
+#define SvTIED_obj(sv,mg) \
+    ((mg)->mg_obj ? (mg)->mg_obj : sv_2mortal(newRV(sv)))