From: Operating system: * PHP version: Irrelevant Package: Filesystem function related Bug Type: Bug Bug description:fseek failure to seek
Description: ------------ 2147483647 or PHP_INT_MAX on the system is the max integer. fseek fails with files over PHP_INT_MAX+2 in size. binary math would resolve the fseek issue internally. Test script: --------------- reading a file of 20 gigabytes (or anything larger then PHP_INT_MAX+2) is successful with: <?php $handle = fopen('20gbfile', 'r'); while (!feof($handle)) { echo fread($handle, PHP_INT_MAX); } fclose($handle); ?> however fseek fails: <?php $handle = fopen('20gbfile', 'r'); echo fread($handle, PHP_INT_MAX); echo fread($handle, 2); fseek($handle, -1, SEEK_CUR); echo fread($handle, 1); fclose($handle); ?> Expected result: ---------------- echo the byte from position PHP_INT_MAX+1 Actual result: -------------- crash/fail -- Edit bug report at http://bugs.php.net/bug.php?id=52228&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=52228&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=52228&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=52228&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=52228&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=52228&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=52228&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=52228&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=52228&r=needscript Try newer version: http://bugs.php.net/fix.php?id=52228&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=52228&r=support Expected behavior: http://bugs.php.net/fix.php?id=52228&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=52228&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=52228&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=52228&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=52228&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=52228&r=dst IIS Stability: http://bugs.php.net/fix.php?id=52228&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=52228&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=52228&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=52228&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=52228&r=mysqlcfg