#42036 [NEW]: fgetc() sets end of the file flag when reading on write only file

From: kraghuba at in dot ibm dot com Operating system: RHEL 5 PHP version: 5CVS-2007-07-18 (snap) PHP Bug Type: Filesystem function related Bug description: fgetc() sets end of the file flag when reading on write only file Description: ------------ fgetc() sets the end of the file flag to ture when reading from a file which opened in write only mode. This failure is applicable on php5 and php6 php version: PHP 6.0.0-dev (cli) (built: Jul 18 2007 20:53:03) (GCOV) Copyright (c) 1997-2007 The PHP Group Zend Engine v3.0.0-dev, Copyright (c) 1998-2007 Zend Technologies & PHP 5.2.4-dev (cli) (built: Jul 18 2007 20:49:53) (GCOV) Copyright (c) 1997-2007 The PHP Group Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies OS : RHEL 5 configure setup: ./configure --enable-gcov Reproduce code: --------------- <?php $fp = fopen("test.txt", "w"); var_dump( fwrite($fp, "Text") ); // rewind the file pointer to begining var_dump( rewind($fp) ); var_dump( ftell($fp) ); var_dump( feof($fp) ); // try to read var_dump( fgetc($fp) ); var_dump( ftell($fp) ); var_dump( feof($fp) ); fclose($fp); unlink("test.txt"); ?> Expected result: ---------------- output - php5: -------------- int(4) bool(true) int(0) bool(false) bool(false) int(0) bool(false) output - php6: -------------- int(4) bool(true) int(0) bool(false) bool(false) int(0) bool(false) Actual result: -------------- output - php5: -------------- int(4) bool(true) int(0) bool(false) bool(false) int(0) bool(true) output - php6: -------------- int(4) bool(true) int(0) bool(false) string(1) "" int(0) bool(true) output on php6 when run using run-test.php : int(4) bool(true) int(0) bool(false) string(1) "ÿ" int(0) bool(true) -- Edit bug report at http://bugs.php.net/?id=42036&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=42036&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=42036&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=42036&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=42036&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=42036&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=42036&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=42036&r=needscript Try newer version: http://bugs.php.net/fix.php?id=42036&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=42036&r=support Expected behavior: http://bugs.php.net/fix.php?id=42036&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=42036&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=42036&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=42036&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=42036&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=42036&r=dst IIS Stability: http://bugs.php.net/fix.php?id=42036&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=42036&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=42036&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=42036&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=42036&r=mysqlcfg