Hi,
I'm not a C developer, so I can't really help with the attached patch.
However, I've tried it with PHP 5.3.0 version I have and it does what it
claims, that is, it gives correct behaviour for the following functions:
filesize, fstat, stat when used on file > 4GB on a 32 bits machine.
Currently, php 5.x doesn't give the correct output for this code (on my
32bits server):
echo filesize("path/to/4.3GBfile"); // expecting 4617089843, got 322122547
With the patch applied, the good result is returned.
>From the patch author, it improves the tests results.
>From what I've understood, the patch switch to php's double type when the
size overflow the 32bits limit of int.
It doesn't seem to break any existing behaviour (I'm using this on my
multiple project since july, and no bad experience so far).
The explaination by the patch author: http://bugs.php.net/bug.php?id=48886
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