#22238 [Asn->Ctl]: [win32] php_stream_read() + stream_select() clobbers read buffer for pipes

From: Date: Fri, 25 Apr 2003 10:42:34 +0000
Subject: #22238 [Asn->Ctl]: [win32] php_stream_read() + stream_select() clobbers read buffer for pipes
References: 1  Groups: php.bugs 
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ID: 22238 Updated by: wez@php.net Reported By: wez@php.net -Status: Assigned +Status: Critical Bug Type: Filesystem function related Operating System: win9x PHP Version: 4CVS-2003-02-15 (stable) Assigned To: wez New Comment: I must fix this before 4.3.2 goes gold. Previous Comments: ------------------------------------------------------------------------ [2003-02-15 21:57:28] wez@php.net stream_select() causes a buffer synchronization which will clobber the read buffer of any stream that is marked seekable. This behaviour is intended, but under win9x, we cannot always determine if a stream is a FIFO, and this can cause data loss if the buffer size specified in php_stream_read() is ever smaller than the amount of data read in a single read operation (the excess data is lost during the next stream_select() call). ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=22238&edit=1

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