From 93bd170770a27f9cb6d472bcf7b647dcd56233c8 Mon Sep 17 00:00:00 2001
From: Adam Olsen <rhamph@gmail.com>
Date: Sun, 9 Dec 2001 09:40:53 +0000
Subject: [PATCH] - add some comments to SV_ReliableSVC_Emit - don't push back
 the backbuffer if it's got max buffers already

---
 qw/source/sv_nchan.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/qw/source/sv_nchan.c b/qw/source/sv_nchan.c
index fef35c5be..9558d9fce 100644
--- a/qw/source/sv_nchan.c
+++ b/qw/source/sv_nchan.c
@@ -56,6 +56,8 @@ PushBackbuf (client_t *cl)
 	cl->num_backbuf++;
 }
 
+// Writes the given block into either cl->netchan.message, or the
+// backbuffer if there's no room
 void
 SV_ReliableSVC_Emit (client_t *cl, int type, void *block)
 {
@@ -72,7 +74,7 @@ SV_ReliableSVC_Emit (client_t *cl, int type, void *block)
 			cl->netchan.message.cursize = oldsize;
 	}
 
-	if (retval == NET_SHORT) {
+	if (retval == NET_SHORT && cl->num_backbuf < MAX_BACK_BUFFERS) {
 		PushBackbuf (cl);
 		retval = NET_SVC_Emit (type, block, &cl->backbuf);
 	}
@@ -82,7 +84,8 @@ SV_ReliableSVC_Emit (client_t *cl, int type, void *block)
 			SV_Printf ("SV_ReliableSVC_Emit: WARNING: reliable "
 					   "overflow for %s with %d (%s) block\n",
 					   cl->name, type, NET_SVC_GetString (type));
-			cl->netchan.message.overflowed = true;
+			cl->netchan.message.overflowed = true;	// this will drop
+													// the client
 			break;
 		case NET_ERROR:
 			Sys_Error ("SV_ReliableSVC_Emit: error emitting %d (%s) "