From: Vincent Pit <vince@profvince.com>
Date: Fri, 5 Sep 2008 16:39:50 +0000 (+0200)
Subject: Only enable turn the MGf_* flags on when the corresponding callback has been specified
X-Git-Tag: v0.20~20
X-Git-Url: http://git.vpit.fr/?a=commitdiff_plain;h=ffcfa317935c3d62fc81a061d5d97505779c17f8;p=perl%2Fmodules%2FVariable-Magic.git

Only enable turn the MGf_* flags on when the corresponding callback has been specified
---

diff --git a/Magic.xs b/Magic.xs
index bfc75c9..82bf5dd 100644
--- a/Magic.xs
+++ b/Magic.xs
@@ -266,17 +266,18 @@ STATIC UV vmg_cast(pTHX_ SV *sv, SV *wiz, AV *args) {
  data = (w->cb_data) ? vmg_data_new(w->cb_data, sv, args) : NULL;
  mg = sv_magicext(sv, data, PERL_MAGIC_ext, w->vtbl, (const char *) wiz, HEf_SVKEY);
  mg->mg_private = w->sig;
- mg->mg_flags   = mg->mg_flags
 #if MGf_COPY
-                | MGf_COPY
+ if (w->cb_copy)
+  mg->mg_flags |= MGf_COPY;
 #endif /* MGf_COPY */
 #if MGf_DUP
-                | MGf_DUP
+ if (w->cb_dup)
+  mg->mg_flags |= MGf_DUP;
 #endif /* MGf_DUP */
 #if MGf_LOCAL
-                | MGf_LOCAL
+ if (w->cb_local)
+  mg->mg_flags |= MGf_LOCAL;
 #endif /* MGf_LOCAL */
-                ;
 
 #if VMG_UVAR
  if (w->uvar && SvTYPE(sv) >= SVt_PVHV) {