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Request #51133 Allow float as parameter for ftruncate
Submitted: 2010-02-24 12:36 UTC Modified: 2010-02-24 15:12 UTC
From: sylvain at abstraction dot fr Assigned:
Status: Not a bug Package: Feature/Change Request
PHP Version: 5.2.12 OS: linux
Private report: No CVE-ID: None
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 [2010-02-24 12:36 UTC] sylvain at abstraction dot fr
Description:
------------
ftruncate function takes an int as size parameter which is problematic when the wanted size is up to 2GB.

Could it be made float instead ?

Regards.


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 [2010-02-24 14:56 UTC] sylvain at abstraction dot fr
It's the same thing for the fseek function for the offset argument.
 [2010-02-24 15:12 UTC] aharvey@php.net
This is effectively a bug requesting large file support on 32-bit platforms, which makes it a duplicate of the previously closed bug #38758, bug #40726, bug #43865, and probably others besides. The open bug that deals with this is bug #27792, which includes a patch to implement LFS.

Simply changing the function to take a float wouldn't solve the problem, since the underlying file I/O APIs all use 32-bit integers as well. This requires work both at the ext/standard and stream level.

It's also worth noting that this already works just fine on 64-bit platforms.
 
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