Doc #72505 [Opn->Csd]: readfile() mangles files larger than 2G

Edit report at https://bugs.php.net/bug.php?id=72505&edit=1 ID: 72505 Updated by: laruence@php.net Reported by: mueller at relog dot ch Summary: readfile() mangles files larger than 2G -Status: Open +Status: Closed Type: Documentation Problem Package: Filesystem function related Operating System: SuSE linux PHP Version: 7.0.8 Block user comment: N Private report: N New Comment: Automatic comment on behalf of laruence@gmail.com Revision: http://git.php.net/?p=php-src.git;a=commit;h=c73a2f7f45fc4ad6bf45f5f6929606725f285cd7 Log: Fixed bug #72505 (readfile() mangles files larger than 2G) Previous Comments: ------------------------------------------------------------------------ [2016-06-27 13:52:09] cschneid@php.net The following patch has been added/updated: Patch Name: readfile_largefile.patch Revision: 1467035528 URL: https://bugs.php.net/patch-display.php?bug=72505&patch=readfile_largefile.patch&revision=1467035528 ------------------------------------------------------------------------ [2016-06-27 13:19:59] mueller at relog dot ch Please change status to "Private rerport: Yes" if possible, thanks. ------------------------------------------------------------------------ [2016-06-27 12:49:17] mueller at relog dot ch Email address is not well protected... ------------------------------------------------------------------------ [2016-06-27 12:48:02] mueller at search dot ch Fixed Bug Type ------------------------------------------------------------------------ [2016-06-27 12:41:30] mueller at relog dot ch 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 this bug report at https://bugs.php.net/bug.php?id=72505&edit=1