diff -r 1ecea6e2fd97 -r b27c8579750b libpurple/protocols/msn/slplink.c
--- a/libpurple/protocols/msn/slplink.c	Fri May 11 20:06:57 2007 +0000
+++ b/libpurple/protocols/msn/slplink.c	Sat May 12 13:20:04 2007 +0000
@@ -482,6 +482,8 @@
 {
 	MsnSlpCall *slpcall;
 	MsnSlpMessage *slpmsg;
+	struct stat st;
+	PurpleXfer *xfer;
 
 	slpcall = slpsession->slpcall;
 	slpmsg = msn_slpmsg_new(slpcall->slplink);
@@ -491,7 +493,12 @@
 #ifdef MSN_DEBUG_SLP
 	slpmsg->info = "SLP FILE";
 #endif
-	msn_slpmsg_open_file(slpmsg, purple_xfer_get_local_filename(slpcall->xfer));
+	xfer = (PurpleXfer *)slpcall->xfer;
+	purple_xfer_start(slpcall->xfer, 0, NULL, 0);
+	slpmsg->fp = xfer->dest_fp;
+	if (g_stat(purple_xfer_get_local_filename(xfer), &st) == 0)
+		slpmsg->size = st.st_size;
+	xfer->dest_fp = NULL; /* Disable double fclose() */
 
 	msn_slplink_send_slpmsg(slpcall->slplink, slpmsg);
 }
@@ -551,9 +558,10 @@
 
 					if (xfer != NULL)
 					{
-						slpmsg->fp =
-							g_fopen(purple_xfer_get_local_filename(slpmsg->slpcall->xfer),
-								  "wb");
+						purple_xfer_start(slpmsg->slpcall->xfer,
+							0, NULL, 0);
+						slpmsg->fp = ((PurpleXfer *)slpmsg->slpcall->xfer)->dest_fp;
+						xfer->dest_fp = NULL; /* Disable double fclose() */
 					}
 				}
 			}