PHP 4.0 Bug #6023: Problem with either fgets or ftell in ISAPI

From: slords@mail.com Operating system: Windows 2000 Pro PHP version: 4.0.1pl2 PHP Bug Type: Misbehaving function Bug description: Problem with either fgets or ftell in ISAPI <? $file = fopen("C:\Test.Txt", "w"); fputs($file, "0123456789\r\n"); fputs($file, "0123456789\r\n"); fclose($file); $file = fopen("C:\Test.Txt", "r+"); $line = fgets($file, 1024); echo ftell($file)."<P>"; echo strlen($line)."<P>"; fseek($file, ftell($file) - strlen($line)); fputs($file, "test"); fclose($file); echo "Done"; ?> The code above produces different outputs depending on if php.exe or php4isapi.dll is run. Both create a file with 2 lines with 0-9 on a line. The php.exe will then back up and overwrite the 0-3, but the php4isapi.dll will back up and overwrite the 1-4. Output of pgp.exe ================= 12<P>12<P>Done Output of php4isapi.dll ======================= 13<P>12<P>Done This bug has been reproduced on Windows 95/98/NT/2000 and on version 4.0, 4.0.1, 4.0.1pl1, 4.0.1pl2.