#42237 [NEW]: stream_copy_to_stream returns invalid values for memmapped streams

From: andrew dot minerd at sellingsource dot com Operating system: Gentoo PHP version: 5.2.4RC1 PHP Bug Type: Streams related Bug description: stream_copy_to_stream returns invalid values for memmapped streams Description: ------------ When copying from a memmapped stream, stream_copy_to_stream returns the length of the memory-mapped segment, regardless of how much data was actually written to the recipient stream. Reproduce code: --------------- <?php class DummyWriteStream { function stream_open($path, $mode, $options, &$opened_path) { return TRUE; } function stream_write($data) { return 0; } } stream_wrapper_register('test2', 'DummyWriteStream'); $fp1 = fopen('/etc/hosts', 'r'); $fp2 = fopen('test2://test', 'w'); var_dump(stream_copy_to_stream($fp1, $fp2, 8192)); ?> Expected result: ---------------- int(0) Actual result: -------------- int(1228) -- Edit bug report at http://bugs.php.net/?id=42237&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=42237&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=42237&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=42237&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=42237&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=42237&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=42237&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=42237&r=needscript Try newer version: http://bugs.php.net/fix.php?id=42237&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=42237&r=support Expected behavior: http://bugs.php.net/fix.php?id=42237&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=42237&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=42237&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=42237&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=42237&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=42237&r=dst IIS Stability: http://bugs.php.net/fix.php?id=42237&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=42237&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=42237&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=42237&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=42237&r=mysqlcfg