memcpy has n o in it, as pinted ut by Sarathy.

[p5sagit/p5-mst-13.2.git] / doio.c

diff --git a/doio.c b/doio.c
index 8789df9..19f7861 100644 (file)
--- a/doio.c
+++ b/doio.c
@@ -1917,6 +1917,9 @@ Perl_do_msgrcv(pTHX_ SV **mark, SV **sp)
 
     id = SvIVx(*++mark);
     mstr = *++mark;
+    /* suppress warning when reading into undef var --jhi */
+    if (! SvOK(mstr))
+       sv_setpvn(mstr, "", 0);
     msize = SvIVx(*++mark);
     mtype = (long)SvIVx(*++mark);
     flags = SvIVx(*++mark);