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Bug #20446 negative filesize() returned on large files > 2Gb
Submitted: 2002-11-15 09:23 UTC Modified: 2002-11-15 10:09 UTC
From: andrew dot robinson at gni dot co dot uk Assigned:
Status: Not a bug Package: *Directory/Filesystem functions
PHP Version: 4.2.3 OS: NT4 - SP 6
Private report: No CVE-ID: None
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From: andrew dot robinson at gni dot co dot uk
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 [2002-11-15 09:23 UTC] andrew dot robinson at gni dot co dot uk 
the following works fine on small files (<2Gb) but returns negative numbers for files larger.

while ( $file = readdir($dp) ){
	clearstatcache();
	if (! ereg("^[.]+$|^$",$file) ){
		$stats = stat("$DIRNAME$file");
		echo "$DIRNAME$file\t" . $stats[7] . "\t" filesize("$DIRNAME$file") . "\n";
	}
}

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 [2002-11-15 09:26 UTC] derick@php.net 
This is not really a bug, PHP simply doesn't support unsigned integers, and a signed integer on Windows/i386 only goes to 2^31 - 1 (about 2GB).

Ddderick
 [2002-11-15 09:30 UTC] andrew dot robinson at gni dot co dot uk 
disk_total_space() appears to cope very well with large volumes (100Gb+).  Are there any work arounds for filesize() ?
 [2002-11-15 09:33 UTC] iliaa@php.net 
You could try doing:
printf("%u", filesize("your_file"));
 [2002-11-15 10:09 UTC] andrew dot robinson at gni dot co dot uk 
Although the number is no longer negative the size is unfortunately inaccurate by quite a bit.  It's a shame as php was in the running as our cli for scripting on NT.  I doubt it will pass acceptance testing now.

Thanks for all your help it was appreciated.
Regards
Andy
 
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