[Bug 2953] Java 1.4.x dies running even trivial programs ("Truncated class file")

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=2953





------- Additional Comments From damjan.jov at gmail.com  2007-03-02 04:30 -------
Created an attachment (id=4757)
 --> (http://bugs.winehq.org/attachment.cgi?id=4757&action=view)
patch aligning st_size on the proper 24 byte offset

Ok you have no idea how long it took me to figure this out...

In struct _stati64, the st_size field lies 24 bytes from the beginning of the
struct in Windows, but only 20 bytes in wine. Why this is, I don't know - but
the 24 bytes would be the beginning of an 8 byte boundary and maybe Windows
aligns all 64 bit integers on 8 byte boundaries.

mingw uses the right offset, even though the struct declaration in mingw and
wine appear identical. The only difference is the gcc version - mingw uses gcc
3.4.4, wine uses gcc 4.0.3, so maybe there's a compiler bug.

My patch adds a padding field that pushes st_size to the correct offset, and
Java 1.4.1 now works, no more complaints about truncated class files.

And yes, I tried #include <pshpack8.h> and #include <poppack8.h> around the
struct - it didn't help.


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