altosuilib: Try to detect the architecture when loading JNI lib

Look at sun.arch.data.model and os.arch to try and load the right
libaltos file the first time.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/altosuilib/AltosUILib.java b/altosuilib/AltosUILib.java
index 8fa7dfe69d937b1833c0452282d112aeeefeb875..ccadf07cc851e8e678522b35bdd11a0d5cf1396f 100644 (file)
--- a/altosuilib/AltosUILib.java
+++ b/altosuilib/AltosUILib.java
@@ -82,11 +82,23 @@ public class AltosUILib extends AltosLib {
        static public boolean loaded_library = false;
        static public boolean has_bluetooth = false;
 
        static public boolean loaded_library = false;
        static public boolean has_bluetooth = false;
 

-       static final String[] library_names = { "altos", "altos32", "altos64" };
+       static final String[] library_names_32 = { "altos", "altos32", "altos64" };
+       static final String[] library_names_64 = { "altos", "altos64", "altos32" };

 
        public static boolean load_library() {
                if (!initialized) {
 
        public static boolean load_library() {
                if (!initialized) {

-                       for (String name : library_names) {
+                       String model = System.getProperty("sun.arch.data.model", "missing");
+                       boolean is_64 = false;
+                       if (model.equals("64")) {
+                               is_64 = true;
+                       } else if (model.equals("32")) {
+                               ;
+                       } else {
+                               String arch = System.getProperty("os.arch", "missing");
+                               if (arch.endsWith("64"))
+                                       is_64 = true;
+                       }
+                       for (String name : is_64 ? library_names_64 : library_names_32) {

                                try {
                                        System.loadLibrary(name);
                                        libaltos.altos_init();
                                try {
                                        System.loadLibrary(name);
                                        libaltos.altos_init();