Doc #72505 [NEW]: readfile() mangles files larger than 2G

From: mueller at search dot ch Operating system: SuSE linux PHP version: 7.0.8 Package: Filesystem function related Bug Type: Documentation Problem Bug description:readfile() mangles files larger than 2G Description: ------------ when readfile() is used to output a file larger than 2G, the output is not identical with the input. Test script: --------------- # output mangled for files larger than 2G bash:> dd if=largefile of=aa bs=1M count=2049 2>/dev/null; php -r 'readfile("aa");' >bb; crc32 aa bb b5c09ad4 aa 2e905867 bb Expected result: ---------------- same crc32 for aa and bb (which is the case if you use count=2047) Actual result: -------------- different crc32 for aa and bb -- Edit bug report at https://bugs.php.net/bug.php?id=72505&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=72505&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=72505&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=72505&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=72505&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=72505&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=72505&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=72505&r=needscript Try newer version: https://bugs.php.net/fix.php?id=72505&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=72505&r=support Expected behavior: https://bugs.php.net/fix.php?id=72505&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=72505&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=72505&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=72505&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=72505&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=72505&r=dst IIS Stability: https://bugs.php.net/fix.php?id=72505&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=72505&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=72505&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=72505&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=72505&r=mysqlcfg