From 7d3b5642f7649773c6dd3d4f272f44a916322e25 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Thu, 8 Aug 2013 15:04:30 -0700
Subject: [PATCH] SDL_RegisterEvents() now rejects requests for numevents <= 0.

---
 src/events/SDL_events.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/events/SDL_events.c b/src/events/SDL_events.c
index 9a067c232..06cb0f2e7 100644
--- a/src/events/SDL_events.c
+++ b/src/events/SDL_events.c
@@ -599,7 +599,7 @@ SDL_RegisterEvents(int numevents)
 {
     Uint32 event_base;
 
-    if (SDL_userevents+numevents <= SDL_LASTEVENT) {
+    if ((numevents > 0) && (SDL_userevents+numevents <= SDL_LASTEVENT)) {
         event_base = SDL_userevents;
         SDL_userevents += numevents;
     } else {