X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=mg.h;h=ad50f5a0ae460e862f8b6e5dd734b7857e6fd4a8;hb=9c045eb230d3b294af134ce743669059dcb2f128;hp=baedde5a6e97db6e677c4aa1eff7d0f921189b5c;hpb=cb50131aab68ac6dda048612c6e853b8cb08701e;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/mg.h b/mg.h
index baedde5..ad50f5a 100644
--- a/mg.h
+++ b/mg.h
@@ -40,7 +40,7 @@ struct magic {
 #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)