Bug #78340 [Opn]: Stream wrappers not reading correctly

From: Date: Mon, 29 Jul 2019 07:47:50 +0000
Subject: Bug #78340 [Opn]: Stream wrappers not reading correctly
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=78340&edit=1 ID: 78340 Updated by: nikic@php.net Reported by: thekid@php.net Summary: Stream wrappers not reading correctly Status: Open Type: Bug Package: Scripting Engine problem Operating System: Windows PHP Version: 7.4-snapshot Block user comment: N Private report: N New Comment: On linux this prints "Works!" for me (checked with and without opcache). Previous Comments: ------------------------------------------------------------------------ [2019-07-28 11:51:53] thekid@php.net It works up until https://windows.php.net/downloads/snaps/php-7.4/rb317f0e/ - maybe the cause is in https://github.com/php/php-src/commit/d59aac58b3e7da7ad01a194fe9840d89725ea229 ------------------------------------------------------------------------ [2019-07-28 11:24:53] thekid@php.net Correct metadata ------------------------------------------------------------------------ [2019-07-28 11:19:51] thekid@php.net Description: ------------ When reading files from a stream wrapper, not all bytes are read. Test script: --------------- <?php class lib { public static $files= []; private $bytes, $pos; function stream_open($path, $mode, $options, $opened_path) { $this->bytes= self::$files[$path]; $this->pos= 0; $this->ino= crc32($path); return true; } function stream_read($count) { $chunk= substr($this->bytes, $this->pos, $count); $this->pos+= strlen($chunk); return $chunk; } function stream_eof() { return $this->pos >= strlen($this->bytes); } function stream_close() { $this->bytes= null; } function stream_stat() { return [ 'dev' => 3632233996, 'size' => strlen($this->bytes), 'ino' => $this->ino ]; } function stream_set_option($option, $arg1, $arg2) { return false; } } $fill= str_repeat('.', $argv[1] ?? 0); lib::$files['lib://test.php']= '<?php /* '.$fill.' */ function test() { echo "Works!\n"; }'; stream_wrapper_register('lib', lib::class); include('lib://test.php'); test(); Expected result: ---------------- $ /cygdrive/c/tools/php-7.3.6-nts-Win32-VC15-x64/php wrapper.php 8192 Works! Actual result: -------------- $ /cygdrive/c/tools/php-7.4snap-nts-windows-vc15-x64/php wrapper.php 8192 Warning: Unterminated comment starting line 1 in lib://test.php on line 1 Fatal error: Uncaught Error: Call to undefined function test() in C:\tools\cygwin\home\Timm\devel\xp\core\wrapper.php:47 Stack trace: #0 {main} ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=78340&edit=1

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