[Mono-bugs] [Bug 59909][Nor] Changed - passing classes to C library functions doesn't allow modification

bugzilla-daemon@bugzilla.ximian.com bugzilla-daemon@bugzilla.ximian.com
Fri, 27 Aug 2004 20:46:43 -0400 (EDT)

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Changed by bmaurer@users.sf.net.


--- shadow/59909	2004-06-13 11:47:22.000000000 -0400
+++ shadow/59909.tmp.23224	2004-08-27 20:46:43.000000000 -0400
@@ -54,6 +54,12 @@
 private static extern void testfn([Out] RefInt i) 
 So the mechanism for copying the data back from the temporary copy in 
 unmanaged storage to the managed class is there. It just isn't being 
 used without the OutAttribute. 
+------- Additional Comments From bmaurer@users.sf.net  2004-08-27 20:46 -------
+The problem is that by default, reference types which are passed by
+value which are blittable are passed with a pointer. IE, what happens
+is that the unmanaged code gets a referenc to ((char*)o) + sizeof