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Date: Mon, 25 Jul 2005 13:40:26 -0700
To: Greg Beaver <cellog@php.net>,internals@lists.php.net
In-Reply-To: <46.D7.33635.72170E24@pb1.pair.com>
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Subject: Re: [PHP-DEV] new bug in 5.1.0b3 with length param in fread()
	with local files
From: andi@zend.com (Andi Gutmans)
References: <46.D7.33635.72170E24@pb1.pair.com>

Has anyone had a chance to look at this problem?

At 10:08 PM 7/21/2005 -0600, Greg Beaver wrote:
>Hi,
>
>I have noticed that fread()'s behavior has changed between PHP 5.0.4 and 
>PHP 5.1.0b3.  Basically, http://pear.chiaraquartet.net/go-pear.phar works 
>in PHP 5.0.4 and fails in 5.1.0b3 because of this change.  The line in 
>question of the .phar from PHP_Archive is:
>
>         fread($this->_file, $this->internalFileLength + $this->footerLength);
>
>Basically, a .phar is a .tar.  For files inside the .phar larger than 
>16000 bytes, the fread above fails with the incorrect error message:
>
>PHP Warning:  fread(): Length parameter must be greater than 0 in 
>c:\php5\pear\PHP\Archive.php on line 193
>
>Note that the failure is OS-independent.
>
>However, the actual length parameter is 21,155, which is not less than 
>zero, unless you consider it to be a negative number in binary.  After the 
>fread in PHP 5.0.4, ftell() reveals that the pointer has advanced to 
>22016, whereas in 5.1.0b3, it has only advanced to 16384.
>
>According to the notes in http://bugs.php.net/bug.php?id=30936 this should 
>work with a local file, so should I re-open 30936, or is this a new bug?
>
>Greg
>
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