php.net |  support |  documentation |  report a bug |  advanced search |  search howto |  statistics |  random bug |  login

go to bug id or search bugs for

Bug #3601 fgets is NOT binary safe.
Submitted: 2000-02-23 23:10 UTC Modified: 2000-10-30 10:51 UTC
From: iredden at redden dot on dot ca Assigned:
Status: Closed Package: *General Issues
PHP Version: 4.0 Beta 4 Patch Level 1 OS: Redhat 6.1 Linux
Private report: No CVE-ID: None
View Developer Edit
Welcome back! If you're the original bug submitter, here's where you can edit the bug or add additional notes.
If you forgot your password, you can retrieve your password here.
Password:
Status:
Package:
Bug Type:
Summary:
From: iredden at redden dot on dot ca
New email:
PHP Version: OS:

 

 [2000-02-23 23:10 UTC] iredden at redden dot on dot ca 
I am using a UDP socket routine.  fgets does not seem to be binary safe and you cant seem to use fread or fwrite which are two commands which are binary safe.

<?php
$maxlen = 1024;
$default_host = "128.143.204.90";
$default_port = "28001";
$connection = fsockopen("udp://".$default_host, $default_port, &$errno, &$errstr, 5);

if(!$connection) {
        echo "$errstr ($errno)<br>\n";
} else {
        $msgsend = "bah";
        fputs($connection, $msgsend);
        $msgrecv = fgets($connection, $maxlen);
}
echo $msgrecv;
fclose($connection);
?> 

goto http://www.clanhosting.net/packet.doc for the packet query and response packet formats to test my demo.  I have played with this for hours and it just doesnt seem to be binary safe.  Am I doing something wrong???

Patches

Pull Requests

History

AllCommentsChangesGit/SVN commitsRelated reports
 [2000-03-03 14:47 UTC] sas at cvs dot php dot net 
Suspending this until UDP support exists.
 [2000-09-04 19:46 UTC] sniper@php.net 
Just tested that example script and it worked..but that url given
doesn't exist so I couldn't test it further. 

Stas: I believe UDP-support exists now?
At least manual says so..=)

--Jani
 [2000-10-02 19:05 UTC] sniper@php.net 
No feedback.
 [2000-10-02 22:09 UTC] sniper@php.net 
Reopened. fgets() supports UDP but isn't binary safe.
To Ian: Could you provide a working example case?
That url didn't work..

--Jani
 [2000-10-02 22:09 UTC] sniper@php.net 
Reopened. fgets() supports UDP but isn't binary safe.
To Ian: Could you provide a working example case?
That url didn't work..

--Jani
 [2000-10-12 08:05 UTC] sniper@php.net 
User feedback:
--------------
http://php4bug.directoryinfo.net/udp.phps
--------------

Only changes to that first example script are:

$maxlen = 2048;
$default_host = "216.250.231.24";



--Jani
 [2000-10-30 10:50 UTC] stas@php.net 
I don't get it. How fgets is supposed to be binary-safe??? It's oriented on \n for end-of-input, so it cannot accept arbitrary input anyway. Why not use fread/fwrite?

Please reopen if there are some other issues except not using fread instead of fgets, such as fread that doesn't work with UDP (which works for me).
 
PHP Copyright © 2001-2025 The PHP Group
All rights reserved. 		Last updated: Wed Feb 05 18:01:34 2025 UTC