3 files changed, 26 insertions, 4 deletions
diff --git a/src/java/com/jogamp/gluegen/CMethodBindingEmitter.java b/src/java/com/jogamp/gluegen/CMethodBindingEmitter.java
index d856767..d18ea3d 100644
--- a/src/java/com/jogamp/gluegen/CMethodBindingEmitter.java
+++ b/src/java/com/jogamp/gluegen/CMethodBindingEmitter.java
@@ -427,7 +427,8 @@ public class CMethodBindingEmitter extends FunctionEmitter {
           writer.println("  jsize _tmpArrayLen;");
 
           // Pointer to the data in the Buffer, taking the offset into account
-          writer.println("  int * _offsetHandle = NULL;");
+          if(type.isNIOBufferArray())
+            writer.println("  int * _offsetHandle = NULL;");
 
           emittedDataCopyTemps = true;
         }
@@ -925,6 +926,15 @@ public class CMethodBindingEmitter extends FunctionEmitter {
         if (isConstPtrPtr(cArgType)) {
             writer.print("const ");
         }
+
+        // if this is a pointer to an unsigned type, add unsigned to the name to avoid compiler warnings
+        if(cArgType.isPointer()) {
+          Type typeLast = ((PointerType)cArgType).getLastTargetType();
+          if(typeLast.isInt() && (((IntType)typeLast).isPrimitiveUnsigned())) {
+            writer.print("unsigned ");
+          }
+        }
+
         writer.print(cArgType.getName());
         writer.print(") ");
         if (binding.getCArgumentType(i).isPointer() && javaArgType.isPrimitive()) {
@@ -1048,11 +1058,11 @@ public class CMethodBindingEmitter extends FunctionEmitter {
         writer.println("  " + arrayRes + " = (*env)->NewObjectArray(env, " + arrayResLength + ", (*env)->FindClass(env, \"java/nio/ByteBuffer\"), NULL);");
         writer.println("  for (" + arrayIdx + " = 0; " + arrayIdx + " < " + arrayResLength + "; " + arrayIdx + "++) {");
         Type retType = binding.getCSymbol().getReturnType();
-	Type pointerType;
+        Type pointerType;
         if (retType.isPointer()) {
-	  pointerType = retType.asPointer().getTargetType();
+          pointerType = retType.asPointer().getTargetType();
         } else {
-	  pointerType = retType.asArray().getElementType();
+          pointerType = retType.asArray().getElementType();
         }
         writer.println("    (*env)->SetObjectArrayElement(env, " + arrayRes + ", " + arrayIdx +
                        ", (*env)->NewDirectByteBuffer(env, _res[" + arrayIdx + "], sizeof(" + pointerType.getName() + ")));");
diff --git a/src/java/com/jogamp/gluegen/cgram/types/IntType.java b/src/java/com/jogamp/gluegen/cgram/types/IntType.java
index ffc5696..6eeb997 100644
--- a/src/java/com/jogamp/gluegen/cgram/types/IntType.java
+++ b/src/java/com/jogamp/gluegen/cgram/types/IntType.java
@@ -82,6 +82,11 @@ public class IntType extends PrimitiveType implements Cloneable {
         return unsigned;
     }
 
+    /** Indicates whether this type is an unsigned primitive type, as opposed to a typedef type that's unsigned. */
+    public boolean isPrimitiveUnsigned() {
+        return unsigned && !typedefedUnsigned;
+    }
+
     @Override
     public String toString() {
         return getCVAttributesString() + ((isUnsigned() & (!typedefedUnsigned)) ? "unsigned " : "") + getName();
diff --git a/src/java/com/jogamp/gluegen/cgram/types/PointerType.java b/src/java/com/jogamp/gluegen/cgram/types/PointerType.java
index 4922d28..af33f41 100644
--- a/src/java/com/jogamp/gluegen/cgram/types/PointerType.java
+++ b/src/java/com/jogamp/gluegen/cgram/types/PointerType.java
@@ -120,6 +120,13 @@ public class PointerType extends Type implements Cloneable {
         return targetType;
     }
 
+    public Type getLastTargetType() {
+        if(targetType.isPointer())
+            return ((PointerType)targetType).getLastTargetType();
+        else
+            return targetType;
+    }
+
     @Override
     public boolean isFunctionPointer() {
         return targetType.isFunction();