Tim, Thanks for the info. I will add it to my list of things to look into and fix the next time I am updating the code.
Brian Weischedel bwei...@us.ibm.com
From: Tim Noell <tno...@gmail.com>
To: javax-usb-devel@lists.sourceforge.net
Date: 10/08/2010 04:22 PM
Subject: [javax-usb-devel] Possible Bug in javax-usb-ri-linux_1.0.2 on
32-bit architectures
Hi javax-usb-devel:
I just recently upgraded to 1.0.2 and found a problem ...
Target is 32-bit architecture.
In src/com/ibm/jusb/os/linux/LinuxPipeRequest.java line 123
the type of urbAddress is a java long (64-bit)
In jni/JavaxUsbPipeRequest.c, line 76, where setUrbAddress() is called, the
urb is a 32-bit pointer.
If it is not cast to jlong, then later when we call getUrbAddress, we get
garbage.
Here is a changeset that add the jong cast and fixes it for 32-bit
architectures:
log( LOG_XFER_REQUEST, "Submitted URB" );
- CheckedCallVoidMethod( env, linuxPipeRequest,
setUrbAddress, urb );
+ CheckedCallVoidMethod( env, linuxPipeRequest,
setUrbAddress, (jlong)urb );
Probably worked just fine on 64-bit, and maybe was not regressed on
32-bit ???
Anyway, FYI,
T.
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