gentoo-overlay/dev-java/jinput/files/remove-getDeviceUsageBits.patch

From 3f8a5394be4cddfb5bec584170678aac0f28b763 Mon Sep 17 00:00:00 2001
From: Endolf <endolf@java.net>
Date: Fri, 22 Aug 2014 14:38:30 +0100
Subject: [PATCH] Remove usage_bits call as it doesn't work on v3 kernels.

---
 .../net/java/games/input/LinuxEventDevice.java     | 32 ----------------------
 .../native/net_java_games_input_LinuxEventDevice.c | 14 ----------
 2 files changed, 46 deletions(-)

diff --git a/plugins/linux/src/java/net/java/games/input/LinuxEventDevice.java b/plugins/linux/src/java/net/java/games/input/LinuxEventDevice.java
index a28c4c7..41a4fee 100644
--- a/plugins/linux/src/java/net/java/games/input/LinuxEventDevice.java
+++ b/plugins/linux/src/java/net/java/games/input/LinuxEventDevice.java
@@ -94,34 +94,11 @@ private final static int countComponents(List components, Class id_type, boolean
 	}
 
 	private final Controller.Type guessType() throws IOException {
-		Controller.Type type_from_usages = guessTypeFromUsages();
-		if (type_from_usages == Controller.Type.UNKNOWN)
-			return guessTypeFromComponents();
-		else
-			return type_from_usages;
-	}
-	
-	private final Controller.Type guessTypeFromUsages() throws IOException {
-		byte[] usage_bits = getDeviceUsageBits();
-		if (isBitSet(usage_bits, NativeDefinitions.USAGE_MOUSE))
-			return Controller.Type.MOUSE;
-		else if (isBitSet(usage_bits, NativeDefinitions.USAGE_KEYBOARD))
-			return Controller.Type.KEYBOARD;
-		else if (isBitSet(usage_bits, NativeDefinitions.USAGE_GAMEPAD))
-			return Controller.Type.GAMEPAD;
-		else if (isBitSet(usage_bits, NativeDefinitions.USAGE_JOYSTICK))
-			return Controller.Type.STICK;
-		else
-			return Controller.Type.UNKNOWN;
-	}
-
-	private final Controller.Type guessTypeFromComponents() throws IOException {
 		List components = getComponents();
 		if (components.size() == 0)
 			return Controller.Type.UNKNOWN;
 		int num_rel_axes = countComponents(components, Component.Identifier.Axis.class, true);
 		int num_abs_axes = countComponents(components, Component.Identifier.Axis.class, false);
-		int num_keys = countComponents(components, Component.Identifier.Key.class, false);
 		int mouse_traits = 0;
 		int keyboard_traits = 0;
 		int joystick_traits = 0;
@@ -342,15 +319,6 @@ private final List getDeviceComponents() throws IOException {
 	}
 	private final static native void nGetBits(long fd, int ev_type, byte[] evtype_bits) throws IOException;
 
-	private final byte[] getDeviceUsageBits() throws IOException {
-		byte[] bits = new byte[NativeDefinitions.USAGE_MAX/8 + 1];
-		if (getVersion() >= 0x010001) {
-			nGetDeviceUsageBits(fd, bits);
-		}
-		return bits;
-	}
-	private final static native void nGetDeviceUsageBits(long fd, byte[] type_bits) throws IOException;
-
 	public final synchronized void pollKeyStates() throws IOException {
 		nGetKeyStates(fd, key_states);
 	}
diff --git a/plugins/linux/src/native/net_java_games_input_LinuxEventDevice.c b/plugins/linux/src/native/net_java_games_input_LinuxEventDevice.c
index 90eff09..18913c2 100644
--- a/plugins/linux/src/native/net_java_games_input_LinuxEventDevice.c
+++ b/plugins/linux/src/native/net_java_games_input_LinuxEventDevice.c
@@ -112,20 +112,6 @@ JNIEXPORT jint JNICALL Java_net_java_games_input_LinuxEventDevice_nGetNumEffects
 	return num_effects;
 }
 
-JNIEXPORT void JNICALL Java_net_java_games_input_LinuxEventDevice_nGetDeviceUsageBits(JNIEnv *env, jclass unused, jlong fd_address, jbyteArray usages_array) {
-#if EV_VERSION >= 0x010001
-	int fd = (int)fd_address;
-	jsize len = (*env)->GetArrayLength(env, usages_array);
-	jbyte *usages = (*env)->GetByteArrayElements(env, usages_array, NULL);
-	if (usages == NULL)
-		return;
-	int res = ioctl(fd, EVIOCGUSAGE(len), usages);
-	(*env)->ReleaseByteArrayElements(env, usages_array, usages, 0);
-	if (res == -1)
-		throwIOException(env, "Failed to get device usages (%d)\n", errno);
-#endif
-}
-
 JNIEXPORT void JNICALL Java_net_java_games_input_LinuxEventDevice_nGetBits(JNIEnv *env, jclass unused, jlong fd_address, jint evtype, jbyteArray bits_array) {
 	int fd = (int)fd_address;
 	jsize len = (*env)->GetArrayLength(env, bits_array);