From: Vincent Pit <vince@profvince.com>
Date: Mon, 28 Dec 2009 18:25:11 +0000 (+0100)
Subject: Explicitely cap the op_info parameter to 255
X-Git-Tag: v0.40~11
X-Git-Url: http://git.vpit.fr/?a=commitdiff_plain;h=cd2cbc62bac1de874dfc366031de9b10b852defb;p=perl%2Fmodules%2FVariable-Magic.git

Explicitely cap the op_info parameter to 255
---

diff --git a/Magic.xs b/Magic.xs
index f26774d..edddac8 100644
--- a/Magic.xs
+++ b/Magic.xs
@@ -1340,6 +1340,7 @@ SV *_wizard(...)
 PROTOTYPE: DISABLE
 PREINIT:
  I32 i = 0;
+ UV opinfo;
  MGWIZ *w;
  MGVTBL *t;
  SV *cb;
@@ -1365,10 +1366,13 @@ CODE:
  Newx(w, 1, MGWIZ);
 
  VMG_SET_CB(ST(i++), data);
+
  cb = ST(i++);
- w->opinfo = SvOK(cb) ? SvUV(cb) : 0;
+ opinfo = SvOK(cb) ? SvUV(cb) : 0;
+ w->opinfo = (U8) ((opinfo < 255) ? opinfo : 255);
  if (w->opinfo)
   vmg_op_info_init(w->opinfo);
+
  VMG_SET_SVT_CB(ST(i++), get);
  VMG_SET_SVT_CB(ST(i++), set);
  VMG_SET_SVT_CB(ST(i++), len);