#27710 [NEW]: ip2long() calculates networks (partial ip addr.) wrong

From: Date: Fri, 26 Mar 2004 10:11:48 +0000
Subject: #27710 [NEW]: ip2long() calculates networks (partial ip addr.) wrong
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-56863@lists.php.net to get a copy of this message
From: phpbug at labres dot at Operating system: Linux (debian woody) PHP version: 4.3.4 PHP Bug Type: Math related Bug description: ip2long() calculates networks (partial ip addr.) wrong Description: ------------ When given network addresses (partial ip addresses)*), ip2long() calculates erratic values: Input Output dechex should be 192 int(192) c0 c0000000 192.168 int(-1073741656) c00000a8 c0a80000 192.168.1 int(-1062731775) c0a80001 c0a80100 *) you will need this to convert 192/8, 192.168/16 etc network addresses. Reproduce code: --------------- $net=ip2long("192"); echo dechex($net)."\n"; $net=ip2long("192.168"); echo dechex($net)."\n"; $net=ip2long("192.168.1"); echo dechex($net)."\n"; Expected result: ---------------- c0000000 c0a80000 c0a80100 Actual result: -------------- c0 c00000a8 c0a80001 -- Edit bug report at http://bugs.php.net/?id=27710&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=27710&r=trysnapshot4 Try a CVS snapshot (php5): http://bugs.php.net/fix.php?id=27710&r=trysnapshot5 Fixed in CVS: http://bugs.php.net/fix.php?id=27710&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=27710&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=27710&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=27710&r=needscript Try newer version: http://bugs.php.net/fix.php?id=27710&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=27710&r=support Expected behavior: http://bugs.php.net/fix.php?id=27710&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=27710&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=27710&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=27710&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=27710&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=27710&r=dst IIS Stability: http://bugs.php.net/fix.php?id=27710&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=27710&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=27710&r=float

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