From e46b791ba1f780934997e645ef6724c0bb5d2493 Mon Sep 17 00:00:00 2001
From: Edgar Simo <bobbens@gmail.com>
Date: Tue, 8 Jul 2008 19:35:10 +0000
Subject: [PATCH] Added SDL_HapticOpened().

---
 include/SDL_haptic.h    | 13 +++++++++++++
 src/haptic/SDL_haptic.c | 19 +++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/include/SDL_haptic.h b/include/SDL_haptic.h
index 9cf437780..db3581c9c 100644
--- a/include/SDL_haptic.h
+++ b/include/SDL_haptic.h
@@ -642,6 +642,18 @@ extern DECLSPEC const char *SDLCALL SDL_HapticName(int device_index);
  */
 extern DECLSPEC SDL_Haptic * SDL_HapticOpen(int device_index);
 
+/**
+ * \fn int SDL_HapticOpened(int device_index)
+ *
+ * \brief Checks if the haptic device at index has been opened.
+ *
+ *    \param device_index Index to check to see if it has been opened.
+ *    \return 1 if it has been opened or 0 if it hasn't.
+ * 
+ * \sa SDL_HapticOpen
+ * \sa SDL_HapticIndex
+ */
+extern DECLSPEC int SDL_HapticOpened(int device_index);
 
 /**
  * \fn int SDL_HapticIndex(SDL_Haptic * haptic)
@@ -652,6 +664,7 @@ extern DECLSPEC SDL_Haptic * SDL_HapticOpen(int device_index);
  *    \return The index of the haptic device or -1 on error.
  *
  * \sa SDL_HapticOpen
+ * \sa SDL_HapticOpened
  */
 extern DECLSPEC int SDL_HapticIndex(SDL_Haptic * haptic);
 
diff --git a/src/haptic/SDL_haptic.c b/src/haptic/SDL_haptic.c
index 5345e32bf..3e61e6b26 100644
--- a/src/haptic/SDL_haptic.c
+++ b/src/haptic/SDL_haptic.c
@@ -148,6 +148,25 @@ SDL_HapticOpen(int device_index)
 }
 
 
+/*
+ * Returns 1 if the device has been opened.
+ */
+int
+SDL_HapticOpened(int device_index)
+{
+   int i, opened;
+
+   opened = 0;
+   for (i=0; SDL_haptics[i]; i++) {
+      if (SDL_haptics[i]->index == (Uint8) device_index) {
+         opened = 1;
+         break;
+      }
+   }
+   return opened;
+}
+
+
 /*
  * Returns the index to a haptic device.
  */