From 1c079107789c1cc8520e1605fedbb1b0a80b7460 Mon Sep 17 00:00:00 2001
From: Edgar Simo <bobbens@gmail.com>
Date: Sun, 10 Aug 2008 19:53:58 +0000
Subject: [PATCH] Casting for warnings. Fixed possible segfault.

---
 src/haptic/darwin/SDL_syshaptic.c     | 8 +++++++-
 src/joystick/darwin/SDL_sysjoystick.c | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/haptic/darwin/SDL_syshaptic.c b/src/haptic/darwin/SDL_syshaptic.c
index 8fb9c8628..22376fe55 100644
--- a/src/haptic/darwin/SDL_syshaptic.c
+++ b/src/haptic/darwin/SDL_syshaptic.c
@@ -162,6 +162,11 @@ SDL_SYS_HapticInit(void)
    }
    /* IOServiceGetMatchingServices consumes dictionary. */
 
+   if (!iter) { /* No iterator. */
+      numhaptics = 0;
+      return 0;
+   }
+
    numhaptics = 0;
    while ((device = IOIteratorNext(iter)) != IO_OBJECT_NULL) {
 
@@ -459,7 +464,8 @@ SDL_SYS_JoystickIsHaptic(SDL_Joystick * joystick)
 int
 SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
 {
-   if (IOObjectIsEqualTo(haptic->hwdata->device, joystick->hwdata->ffservice))
+   if (IOObjectIsEqualTo((io_object_t) haptic->hwdata->device,
+                                       joystick->hwdata->ffservice))
       return 1;
    return 0;
 }
diff --git a/src/joystick/darwin/SDL_sysjoystick.c b/src/joystick/darwin/SDL_sysjoystick.c
index de9cac9cd..025e33420 100644
--- a/src/joystick/darwin/SDL_sysjoystick.c
+++ b/src/joystick/darwin/SDL_sysjoystick.c
@@ -649,7 +649,7 @@ SDL_SYS_JoystickInit(void)
 
         /* We have to do some storage of the io_service_t for
          * SDL_HapticOpenFromJoystick */
-        if (FFIsForceFeedback(device) == FF_OK) {
+        if (FFIsForceFeedback((io_service_t)device) == FF_OK) {
            device->ffservice = ioHIDDeviceObject;
         }
         else {