#32889 [NEW]: ftruncate doesn't move the file pointer
| From: | techtonik@php.net | Date: | Fri, 29 Apr 2005 09:36:14 +0000 |
| Subject: | #32889 [NEW]: ftruncate doesn't move the file pointer | ||
| Groups: | php.doc | ||
| Request: | Send a blank email to phpdoc+get-969368094@lists.php.net to get a copy of this message | ||
From: techtonik@php.net
Operating system:
PHP version: Irrelevant
PHP Bug Type: Documentation problem
Bug description: ftruncate doesn't move the file pointer
Description:
------------
Note or warning here?
http://www.php.net/manual/en/function.ftruncate.php
Reproduce code:
---------------
<?php
// truncate doesn't move the file pointer to the end of the file
$flog = fopen("text.txt", "w+");
fwrite($flog, "veeery veeery long string");
fseek($flog, -2, SEEK_END);
ftruncate($flog, 6);
fwrite($flog, "shortstr");
fclose($flog);
?>
Expected result:
----------------
0000000000: 76 65 65 65 72 79 20 73 │ 68 6F 72 74 73 74 72
veeery shortstr
Actual result:
--------------
0000000000: 76 65 65 65 72 79 20 00 │ 00 00 00 00 00 00 00 00
veeery
0000000010: 00 00 00 00 00 00 00 73 │ 68 6F 72 74 73 74 72
shortstr
--
Edit bug report at http://bugs.php.net/?id=32889&edit=1
--
Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=32889&r=trysnapshot4
Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=32889&r=trysnapshot50
Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=32889&r=trysnapshot51
Fixed in CVS: http://bugs.php.net/fix.php?id=32889&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=32889&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=32889&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=32889&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=32889&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=32889&r=support
Expected behavior: http://bugs.php.net/fix.php?id=32889&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=32889&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=32889&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=32889&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=32889&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=32889&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=32889&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=32889&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=32889&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=32889&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=32889&r=mysqlcfg