commit 011d93fe246d697099e185fb27488f45982b6de7
author Sam Lantinga <slouken@libsdl.org> Fri Oct 07 18:24:34 2016 -0700
committer Sam Lantinga <slouken@libsdl.org> Fri Oct 07 18:24:34 2016 -0700
tree b047d0b9af035761848309dd4680c2b6e22e9a16
parent f4539fcfa15a4b7a7abbc812e73fd8d672c8ee21

Fixed bug 3438 - SDL_GameControllerEventWatcher: Log on event with value >= k_nMaxReverseEntries

src/joystick/SDL_gamecontroller.c

diff --git a/src/joystick/SDL_gamecontroller.c b/src/joystick/SDL_gamecontroller.c
index 41af66d..1d3a4c2 100644
--- a/src/joystick/SDL_gamecontroller.c
+++ b/src/joystick/SDL_gamecontroller.c
@@ -145,7 +145,11 @@
         {
             SDL_GameController *controllerlist;
 
-            if (event->jaxis.axis >= k_nMaxReverseEntries) break;
+            if (event->jaxis.axis >= k_nMaxReverseEntries)
+            {
+                SDL_SetError("SDL_GameControllerEventWatcher: Axis index %d too large, ignoring motion", (int)event->jaxis.axis);
+                break;
+            }
 
             controllerlist = SDL_gamecontrollers;
             while (controllerlist) {
@@ -176,7 +180,11 @@
         {
             SDL_GameController *controllerlist;
 
-            if (event->jbutton.button >= k_nMaxReverseEntries) break;
+            if (event->jbutton.button >= k_nMaxReverseEntries)
+            {
+                SDL_SetError("SDL_GameControllerEventWatcher: Button index %d too large, ignoring update", (int)event->jbutton.button);
+                break;
+            }
 
             controllerlist = SDL_gamecontrollers;
             while (controllerlist) {